a310logger | 584a847c7e779a2951440152072b93e4ecccb1b86148a2e289c2ccb86962ac34

Analysis

max time kernel
123s
max time network
128s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
04/01/2024, 19:53

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General

Target
41c3b05debb26645393a5c7253f28e77.exe
Size 594KB
Sample240104-yl6dvsaed4
SHA256 584a847c7e779a2951440152072b93e4ecccb1b86148a2e289c2ccb86962ac34
MD5 41c3b05debb26645393a5c7253f28e77
SHA1 e1e8fcfdc15c34f7e1ce974e4278e79879fe86ae
SHA512 c24771dee7d0e7651b2530623332c28b434da98cc3dbadf3af597225d71a9f2c699bd65f9155424ded2e3902ca1a2f63bc234345b10db9f06e724e9d90ec8351
SSDEEP 12288:SfX25LrCxNuYlc+zakllH7RaR00QHtHx6fsZAvantxK13v6pcL4cUikDXR6sVc+i:SfX25LrCxNuYlcSXt0ehkASIN3CTmv+
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

a310logger stormkitty collection spyware stealer

Malware Config

Signatures

A310logger
A310 Logger is a .NET stealer/logger targeting passwords from browsers and email clients.
stealer spyware a310logger
StormKitty
StormKitty is an open source info stealer written in C#.
stealer stormkitty

StormKitty payload 7 IoCs

resource	yara_rule
behavioral1/memory/2388-23-0x0000000000400000-0x0000000000418000-memory.dmp	family_stormkitty
behavioral1/memory/2388-21-0x0000000000400000-0x0000000000418000-memory.dmp	family_stormkitty
behavioral1/memory/2388-19-0x0000000000400000-0x0000000000418000-memory.dmp	family_stormkitty
behavioral1/memory/2388-15-0x0000000000400000-0x0000000000418000-memory.dmp	family_stormkitty
behavioral1/memory/2388-13-0x0000000000400000-0x0000000000418000-memory.dmp	family_stormkitty
behavioral1/memory/2028-140-0x0000000000400000-0x0000000000418000-memory.dmp	family_stormkitty
behavioral1/memory/2028-138-0x0000000000400000-0x0000000000418000-memory.dmp	family_stormkitty

A310logger Executable 8 IoCs

resource	yara_rule
behavioral1/memory/2388-23-0x0000000000400000-0x0000000000418000-memory.dmp	a310logger
behavioral1/memory/2388-21-0x0000000000400000-0x0000000000418000-memory.dmp	a310logger
behavioral1/memory/2388-19-0x0000000000400000-0x0000000000418000-memory.dmp	a310logger
behavioral1/memory/2388-15-0x0000000000400000-0x0000000000418000-memory.dmp	a310logger
behavioral1/memory/2388-13-0x0000000000400000-0x0000000000418000-memory.dmp	a310logger
behavioral1/files/0x000c000000014b31-118.dat	a310logger
behavioral1/memory/2028-140-0x0000000000400000-0x0000000000418000-memory.dmp	a310logger
behavioral1/memory/2028-138-0x0000000000400000-0x0000000000418000-memory.dmp	a310logger

Executes dropped EXE 2 IoCs

pid	Process
2636	MZ.exe
1144	MZ.exe

Loads dropped DLL 2 IoCs

pid	Process
2388	InstallUtil.exe
2028	InstallUtil.exe

Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	icanhazip.com

Looks up geolocation information via web service
Uses a legitimate geolocation service to find the infected system's geolocation info.

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2360 set thread context of 2148	2360	41c3b05debb26645393a5c7253f28e77.exe	16
PID 2148 set thread context of 2388	2148	41c3b05debb26645393a5c7253f28e77.exe	19
PID 2148 set thread context of 2028	2148	41c3b05debb26645393a5c7253f28e77.exe	32
PID 2148 set thread context of 2156	2148	41c3b05debb26645393a5c7253f28e77.exe	36

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 4 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	InstallUtil.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	InstallUtil.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	InstallUtil.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2636	MZ.exe
2636	MZ.exe
1144	MZ.exe
1144	MZ.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2148	41c3b05debb26645393a5c7253f28e77.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2360	41c3b05debb26645393a5c7253f28e77.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2636	MZ.exe
Token: SeDebugPrivilege	1144	MZ.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2148	41c3b05debb26645393a5c7253f28e77.exe
2148	41c3b05debb26645393a5c7253f28e77.exe

Suspicious use of WriteProcessMemory 45 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 2148	2360	41c3b05debb26645393a5c7253f28e77.exe	16
PID 2360 wrote to memory of 2148	2360	41c3b05debb26645393a5c7253f28e77.exe	16
PID 2360 wrote to memory of 2148	2360	41c3b05debb26645393a5c7253f28e77.exe	16
PID 2360 wrote to memory of 2148	2360	41c3b05debb26645393a5c7253f28e77.exe	16
PID 2360 wrote to memory of 2148	2360	41c3b05debb26645393a5c7253f28e77.exe	16
PID 2148 wrote to memory of 2388	2148	41c3b05debb26645393a5c7253f28e77.exe	19
PID 2148 wrote to memory of 2388	2148	41c3b05debb26645393a5c7253f28e77.exe	19
PID 2148 wrote to memory of 2388	2148	41c3b05debb26645393a5c7253f28e77.exe	19
PID 2148 wrote to memory of 2388	2148	41c3b05debb26645393a5c7253f28e77.exe	19
PID 2148 wrote to memory of 2388	2148	41c3b05debb26645393a5c7253f28e77.exe	19
PID 2148 wrote to memory of 2388	2148	41c3b05debb26645393a5c7253f28e77.exe	19
PID 2148 wrote to memory of 2388	2148	41c3b05debb26645393a5c7253f28e77.exe	19
PID 2148 wrote to memory of 2388	2148	41c3b05debb26645393a5c7253f28e77.exe	19
PID 2148 wrote to memory of 2388	2148	41c3b05debb26645393a5c7253f28e77.exe	19
PID 2148 wrote to memory of 2388	2148	41c3b05debb26645393a5c7253f28e77.exe	19
PID 2148 wrote to memory of 2388	2148	41c3b05debb26645393a5c7253f28e77.exe	19
PID 2148 wrote to memory of 2388	2148	41c3b05debb26645393a5c7253f28e77.exe	19
PID 2388 wrote to memory of 2636	2388	InstallUtil.exe	31
PID 2388 wrote to memory of 2636	2388	InstallUtil.exe	31
PID 2388 wrote to memory of 2636	2388	InstallUtil.exe	31
PID 2388 wrote to memory of 2636	2388	InstallUtil.exe	31
PID 2148 wrote to memory of 2028	2148	41c3b05debb26645393a5c7253f28e77.exe	32
PID 2148 wrote to memory of 2028	2148	41c3b05debb26645393a5c7253f28e77.exe	32
PID 2148 wrote to memory of 2028	2148	41c3b05debb26645393a5c7253f28e77.exe	32
PID 2148 wrote to memory of 2028	2148	41c3b05debb26645393a5c7253f28e77.exe	32
PID 2148 wrote to memory of 2028	2148	41c3b05debb26645393a5c7253f28e77.exe	32
PID 2148 wrote to memory of 2028	2148	41c3b05debb26645393a5c7253f28e77.exe	32
PID 2148 wrote to memory of 2028	2148	41c3b05debb26645393a5c7253f28e77.exe	32
PID 2148 wrote to memory of 2028	2148	41c3b05debb26645393a5c7253f28e77.exe	32
PID 2148 wrote to memory of 2028	2148	41c3b05debb26645393a5c7253f28e77.exe	32
PID 2148 wrote to memory of 2028	2148	41c3b05debb26645393a5c7253f28e77.exe	32
PID 2148 wrote to memory of 2028	2148	41c3b05debb26645393a5c7253f28e77.exe	32
PID 2148 wrote to memory of 2028	2148	41c3b05debb26645393a5c7253f28e77.exe	32
PID 2028 wrote to memory of 1144	2028	InstallUtil.exe	35
PID 2028 wrote to memory of 1144	2028	InstallUtil.exe	35
PID 2028 wrote to memory of 1144	2028	InstallUtil.exe	35
PID 2028 wrote to memory of 1144	2028	InstallUtil.exe	35
PID 2148 wrote to memory of 2156	2148	41c3b05debb26645393a5c7253f28e77.exe	36
PID 2148 wrote to memory of 2156	2148	41c3b05debb26645393a5c7253f28e77.exe	36
PID 2148 wrote to memory of 2156	2148	41c3b05debb26645393a5c7253f28e77.exe	36
PID 2148 wrote to memory of 2156	2148	41c3b05debb26645393a5c7253f28e77.exe	36
PID 2148 wrote to memory of 2156	2148	41c3b05debb26645393a5c7253f28e77.exe	36
PID 2148 wrote to memory of 2156	2148	41c3b05debb26645393a5c7253f28e77.exe	36
PID 2148 wrote to memory of 2156	2148	41c3b05debb26645393a5c7253f28e77.exe	36
PID 2148 wrote to memory of 2156	2148	41c3b05debb26645393a5c7253f28e77.exe	36

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\41c3b05debb26645393a5c7253f28e77.exe
"C:\Users\Admin\AppData\Local\Temp\41c3b05debb26645393a5c7253f28e77.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2360
- C:\Users\Admin\AppData\Local\Temp\41c3b05debb26645393a5c7253f28e77.exe
  "C:\Users\Admin\AppData\Local\Temp\41c3b05debb26645393a5c7253f28e77.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2148
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
    3⤵
    - Loads dropped DLL
    - Accesses Microsoft Outlook profiles
    - Checks processor information in registry
    - Suspicious use of WriteProcessMemory
    PID:2388
  - - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2636
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
    3⤵
    - Loads dropped DLL
    - Accesses Microsoft Outlook profiles
    - Checks processor information in registry
    - Suspicious use of WriteProcessMemory
    - outlook_office_path
    - outlook_win_path
    PID:2028
  - - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1144
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
    3⤵
    PID:2156

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

94308059B57B3142E455B38A6EB92015

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
Size 65KB
SHA256 c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
MD5 ac05d27423a85adc1622c714f2cb6184
SHA1 b0fe2b1abddb97837ea0195be70ab2ff14d43198
SHA512 6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d
SSDEEP 1536:drFvD2YSE/sFDqV0FJJynkAhftCvMd3coa282frgW1qgNzU:drVDJSeaDqV0FJwLhVkr282fF5U
MD5 SHA1 SHA512 SSDEEP

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94308059B57B3142E455B38A6EB92015

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
Size 64KB
SHA256 4a19255504acfbd49c4e1aed722c7e62b50b5742b860eedabc5f46160f8aefac
MD5 d71dff97ca86ca16c3db8bdb5285fb35
SHA1 271c01246897497d069b81ed37af296cf6c1e498
SHA512 1fed2a183296b563e35d803927e539d28169895f6ca5b522a1c714f222a2d3e578b1e167b19568b5ad4800b898f7ac041c7bd8f6bb02d1361b32cbdcfb0f682a
SSDEEP 1536:drFvD2YSE/sFDqV0FJJynkAhftCvMd3coa282frgW1qgNzX:drVDJSeaDqV0FJwLhVkr282fF5X
MD5 SHA1 SHA512 SSDEEP

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F0ACCF77CDCBFF39F6191887F6D2D357

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357
Size 1KB
SHA256 df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e
MD5 a266bb7dcc38a562631361bbf61dd11b
SHA1 3b1efd3a66ea28b16697394703a72ca340a05bd5
SHA512 0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc
MD5 SHA1 SHA512

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94308059B57B3142E455B38A6EB92015

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Size 344B
SHA256 20c4ca7f2f62b70aff4a44a8a43088e476992aa049120bcf051ae779f5ddbb12
MD5 9789cff2eabfef846a01b5c18f2a155b
SHA1 e247e93a494cdd116d2a5140fa368373e9eb7459
SHA512 c021f73cc41f5a44b652a74b6a8c3db0f9580f36736e76b9705685855906295ce3c0c53be14e522a225b85c15a13696d7b08d9d5e35a4dbb9fe1933e39b4128e
MD5 SHA1 SHA512

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F0ACCF77CDCBFF39F6191887F6D2D357

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357
Size 242B
SHA256 1c6a79fc09941123889d238de11198572154b5737758818d59e1b10e5cefa3e9
MD5 e72b08e1dd40ffccdc3dc94ee5ff8638
SHA1 22c64bcc122f52def811678a1a562c2fe6955dd4
SHA512 917617e718e148cab412dab7c7921c07c2f8f58a051603e9584b2fe102fba1bb6c51a60a6702d59254ee2eade82de0d71358d45ddd9810d8d0f94df07deb7958
MD5 SHA1 SHA512

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MZ.exe

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe
Size 20KB
SHA256 218073bda7a00e780704c1289d5e22ad27bb3ba11f210afa18af33a6ad5176e9
MD5 1bad0cbd09b05a21157d8255dc801778
SHA1 ff284bba12f011b72e20d4c9537d6c455cdbf228
SHA512 4fea56812eba1f1bba17f20d06b509e2a3b4e138562e53c230d0736d596abed4a6a3e43e26936fcd6d107924c8bba41885f34901afa4fd0d37d7e4a93c9b8533
SSDEEP 192:ZGkI6IPfDE7443KmP+uHYKOtKKhWOxj0ZsvyweL+LwGLTCcbmMLyoCgzyRc5jtvw:49eOzp0/TGXLKM2fgz9jsl30uP
MD5 SHA1 SHA512 SSDEEP

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memory/1144-171-0x000007FEF5140000-0x000007FEF5ADD000-memory.dmp

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memory/1144-170-0x000007FEF5140000-0x000007FEF5ADD000-memory.dmp

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memory/2028-138-0x0000000000400000-0x0000000000418000-memory.dmp

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memory/2028-140-0x0000000000400000-0x0000000000418000-memory.dmp

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memory/2028-172-0x00000000744D0000-0x0000000074A7B000-memory.dmp

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memory/2028-134-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

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memory/2028-141-0x00000000744D0000-0x0000000074A7B000-memory.dmp

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memory/2028-142-0x0000000000750000-0x0000000000790000-memory.dmp

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memory/2028-143-0x00000000744D0000-0x0000000074A7B000-memory.dmp

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memory/2148-8-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/2148-5-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/2148-3-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/2148-123-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/2156-174-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

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memory/2360-2-0x0000000000080000-0x0000000000082000-memory.dmp

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memory/2360-1-0x00000000002D0000-0x00000000003D0000-memory.dmp

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memory/2388-13-0x0000000000400000-0x0000000000418000-memory.dmp

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memory/2388-26-0x00000000745B0000-0x0000000074B5B000-memory.dmp

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memory/2388-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

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memory/2388-24-0x00000000745B0000-0x0000000074B5B000-memory.dmp

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memory/2388-15-0x0000000000400000-0x0000000000418000-memory.dmp

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memory/2388-122-0x00000000745B0000-0x0000000074B5B000-memory.dmp

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memory/2388-9-0x0000000000400000-0x0000000000418000-memory.dmp

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memory/2388-23-0x0000000000400000-0x0000000000418000-memory.dmp

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memory/2388-25-0x00000000002D0000-0x0000000000310000-memory.dmp

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memory/2388-19-0x0000000000400000-0x0000000000418000-memory.dmp

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memory/2388-21-0x0000000000400000-0x0000000000418000-memory.dmp

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memory/2388-11-0x0000000000400000-0x0000000000418000-memory.dmp

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memory/2636-124-0x000007FEF5AE0000-0x000007FEF647D000-memory.dmp

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memory/2636-121-0x000007FEF5AE0000-0x000007FEF647D000-memory.dmp

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