a310logger | 28fe91c48fa8583da9692cbdee3c2c32038d5dc3f8ca7dcd195f74511c1d6a78

Analysis

max time kernel
151s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
12/02/2024, 06:09

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General

Target

96739a4d394217c2cbd895cf16acc0c8.exe
Size

455KB
MD5

96739a4d394217c2cbd895cf16acc0c8
SHA1

90af83fed1eb2652e133aad4f47f9354287f75a8
SHA256

28fe91c48fa8583da9692cbdee3c2c32038d5dc3f8ca7dcd195f74511c1d6a78
SHA512

846383b8cd6ff5208c96bf2063faff5c2fa1c1d5d714c11cb30d9aa84ad56f2435f70b2446cfc7006920a4b71dfc568bb36e03d5e8d077db757e673307729955
SSDEEP

6144:FpJ+LBFdhgY3AgXUU6EEsgg/nzzYjzZnMUzpVltygvxTUpVP/KW+q9UT95GX:vArdGPqSENgg/KRpT/vxUpMLR5k

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 2 IoCs

resource	yara_rule
behavioral2/memory/2540-8-0x0000000000400000-0x0000000000418000-memory.dmp	family_stormkitty
behavioral2/memory/3716-60-0x00000000014B0000-0x00000000014C0000-memory.dmp	family_stormkitty

A310logger Executable 8 IoCs

resource	yara_rule
behavioral2/memory/2540-8-0x0000000000400000-0x0000000000418000-memory.dmp	a310logger
behavioral2/files/0x000200000001e3dc-16.dat	a310logger
behavioral2/files/0x000200000001e3dc-21.dat	a310logger
behavioral2/files/0x000200000001e3dc-22.dat	a310logger
behavioral2/memory/3064-24-0x0000000001880000-0x0000000001890000-memory.dmp	a310logger
behavioral2/memory/1564-53-0x00000000014F0000-0x0000000001500000-memory.dmp	a310logger
behavioral2/memory/3716-60-0x00000000014B0000-0x00000000014C0000-memory.dmp	a310logger
behavioral2/files/0x000300000000070b-71.dat	a310logger

Executes dropped EXE 3 IoCs

pid	Process
3064	MZ.exe
1564	MZ.exe
2260	MZ.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 9 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Office\16.0\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
14	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 4412 set thread context of 436	4412	96739a4d394217c2cbd895cf16acc0c8.exe	84
PID 436 set thread context of 2540	436	96739a4d394217c2cbd895cf16acc0c8.exe	85
PID 436 set thread context of 4472	436	96739a4d394217c2cbd895cf16acc0c8.exe	95
PID 436 set thread context of 3716	436	96739a4d394217c2cbd895cf16acc0c8.exe	97

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 6 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
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 6 IoCs

pid	Process
3064	MZ.exe
3064	MZ.exe
1564	MZ.exe
1564	MZ.exe
2260	MZ.exe
2260	MZ.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
436	96739a4d394217c2cbd895cf16acc0c8.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4412	96739a4d394217c2cbd895cf16acc0c8.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2540	InstallUtil.exe
Token: SeDebugPrivilege	3064	MZ.exe
Token: SeDebugPrivilege	4472	InstallUtil.exe
Token: SeDebugPrivilege	1564	MZ.exe
Token: SeDebugPrivilege	3716	InstallUtil.exe
Token: SeDebugPrivilege	2260	MZ.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
436	96739a4d394217c2cbd895cf16acc0c8.exe
436	96739a4d394217c2cbd895cf16acc0c8.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 4412 wrote to memory of 436	4412	96739a4d394217c2cbd895cf16acc0c8.exe	84
PID 4412 wrote to memory of 436	4412	96739a4d394217c2cbd895cf16acc0c8.exe	84
PID 4412 wrote to memory of 436	4412	96739a4d394217c2cbd895cf16acc0c8.exe	84
PID 4412 wrote to memory of 436	4412	96739a4d394217c2cbd895cf16acc0c8.exe	84
PID 436 wrote to memory of 2540	436	96739a4d394217c2cbd895cf16acc0c8.exe	85
PID 436 wrote to memory of 2540	436	96739a4d394217c2cbd895cf16acc0c8.exe	85
PID 436 wrote to memory of 2540	436	96739a4d394217c2cbd895cf16acc0c8.exe	85
PID 436 wrote to memory of 2540	436	96739a4d394217c2cbd895cf16acc0c8.exe	85
PID 436 wrote to memory of 2540	436	96739a4d394217c2cbd895cf16acc0c8.exe	85
PID 436 wrote to memory of 2540	436	96739a4d394217c2cbd895cf16acc0c8.exe	85
PID 436 wrote to memory of 2540	436	96739a4d394217c2cbd895cf16acc0c8.exe	85
PID 436 wrote to memory of 2540	436	96739a4d394217c2cbd895cf16acc0c8.exe	85
PID 2540 wrote to memory of 3064	2540	InstallUtil.exe	87
PID 2540 wrote to memory of 3064	2540	InstallUtil.exe	87
PID 436 wrote to memory of 4472	436	96739a4d394217c2cbd895cf16acc0c8.exe	95
PID 436 wrote to memory of 4472	436	96739a4d394217c2cbd895cf16acc0c8.exe	95
PID 436 wrote to memory of 4472	436	96739a4d394217c2cbd895cf16acc0c8.exe	95
PID 436 wrote to memory of 4472	436	96739a4d394217c2cbd895cf16acc0c8.exe	95
PID 436 wrote to memory of 4472	436	96739a4d394217c2cbd895cf16acc0c8.exe	95
PID 436 wrote to memory of 4472	436	96739a4d394217c2cbd895cf16acc0c8.exe	95
PID 436 wrote to memory of 4472	436	96739a4d394217c2cbd895cf16acc0c8.exe	95
PID 436 wrote to memory of 4472	436	96739a4d394217c2cbd895cf16acc0c8.exe	95
PID 4472 wrote to memory of 1564	4472	InstallUtil.exe	96
PID 4472 wrote to memory of 1564	4472	InstallUtil.exe	96
PID 436 wrote to memory of 3716	436	96739a4d394217c2cbd895cf16acc0c8.exe	97
PID 436 wrote to memory of 3716	436	96739a4d394217c2cbd895cf16acc0c8.exe	97
PID 436 wrote to memory of 3716	436	96739a4d394217c2cbd895cf16acc0c8.exe	97
PID 436 wrote to memory of 3716	436	96739a4d394217c2cbd895cf16acc0c8.exe	97
PID 436 wrote to memory of 3716	436	96739a4d394217c2cbd895cf16acc0c8.exe	97
PID 436 wrote to memory of 3716	436	96739a4d394217c2cbd895cf16acc0c8.exe	97
PID 436 wrote to memory of 3716	436	96739a4d394217c2cbd895cf16acc0c8.exe	97
PID 436 wrote to memory of 3716	436	96739a4d394217c2cbd895cf16acc0c8.exe	97
PID 3716 wrote to memory of 2260	3716	InstallUtil.exe	98
PID 3716 wrote to memory of 2260	3716	InstallUtil.exe	98

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\96739a4d394217c2cbd895cf16acc0c8.exe
"C:\Users\Admin\AppData\Local\Temp\96739a4d394217c2cbd895cf16acc0c8.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4412
- C:\Users\Admin\AppData\Local\Temp\96739a4d394217c2cbd895cf16acc0c8.exe
  "C:\Users\Admin\AppData\Local\Temp\96739a4d394217c2cbd895cf16acc0c8.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:436
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
    3⤵
    - Accesses Microsoft Outlook profiles
    - Checks processor information in registry
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2540
  - - 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:3064
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
    3⤵
    - Accesses Microsoft Outlook profiles
    - Checks processor information in registry
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4472
  - - 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:1564
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
    3⤵
    - Accesses Microsoft Outlook profiles
    - Checks processor information in registry
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    - outlook_office_path
    - outlook_win_path
    PID:3716
  - - 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:2260

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0\UsageLogs\MZ.exe.log

Filesize
128B

MD5
3d238ac6dd6710907edf2ad7893a0ed2

SHA1
b07aaeeb31bdc6e94097a254be088b092dc1fb68

SHA256
02d215d5b6ea166e6c4c4669547cbadecbb427d5baf394fbffc7ef374a967501

SHA512
c358aa68303aa99ebc019014b4c1fc2fbfa98733f1ea863bf78ca2b877dc5c610121115432d96504df9e43bdda637b067359b07228b6f129bc5ec9a01ed3ee24

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\InstallUtil.exe.log

Filesize
496B

MD5
5370d1dff94d27a9a6cfab002a5c444b

SHA1
fecadd9e884c57822ebeae897a3989c0e678fd1a

SHA256
0ddb4ec9a919c3566a4ab48ce605f24816e6fb2efdd6e4070a54a1f5912ec946

SHA512
67a3787e49e7d8ea23b3e1766639b36e685cf404042bc270f5c43dc0b0f50623778cb98c013577b3a0a3b425b608ff4e944e29df3725425ce6383759fe7534eb

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe

Filesize
20KB

MD5
1bad0cbd09b05a21157d8255dc801778

SHA1
ff284bba12f011b72e20d4c9537d6c455cdbf228

SHA256
218073bda7a00e780704c1289d5e22ad27bb3ba11f210afa18af33a6ad5176e9

SHA512
4fea56812eba1f1bba17f20d06b509e2a3b4e138562e53c230d0736d596abed4a6a3e43e26936fcd6d107924c8bba41885f34901afa4fd0d37d7e4a93c9b8533

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe

Filesize
1KB

MD5
538d5c3e683346a221e89d2b73031a48

SHA1
a068e14324ba61b478b91806f927f365c5323511

SHA256
c9a93abcb4dd3cd7636c06705d6204530bfb12a4abce8c209faf9ed4b5e11f88

SHA512
dfad7afeb9dc80ba910413373b84d4a3faa7236b626a9bef5fecdfcd5101ff2c2e2a197b8af238ff671ddcfab75f63543e55e0f222aa0d60cb3836e683d8e888

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe

Filesize
9KB

MD5
a4afaa61456d573c55f2cca445767d71

SHA1
9cd85e295e1e98c9696aa6a34e554ce8ab3fc273

SHA256
1b2a30b6ffe8c2010ad4d8b171aa87fbcd99f699f1777e04fef018a81aaaa48e

SHA512
ecbc4506dd4a3cdd4d71d89ca43a6960328f14b9b7b74e36747239f04cd4b986b14b90febb4efce031f9b7b28337c9bf83aa063784059e738ebaf733fc0c193b

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe

Filesize
5KB

MD5
46fe20730ffdea3ac1ec630163d180cd

SHA1
47605cb197c9ae7ba88c0f0eb0c4e9e70aab1b05

SHA256
7b389a7f6431ce5c177a74c28bb0767a3bff940fcf64d8c1fca1abcbac08669c

SHA512
8cf7258ecac637700f7b4057d79595519cb8eb887cd2103fe8713b11526b8e16eea64ab9e662dedfdddb6cc57405ca2cd1ff35343079d0cabd3faed2ea0808df

Download Submit
memory/436-4-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/436-2-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/436-32-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1564-55-0x00007FFD9D4C0000-0x00007FFD9DE61000-memory.dmp

Filesize
9.6MB

Download
memory/1564-54-0x00007FFD9D4C0000-0x00007FFD9DE61000-memory.dmp

Filesize
9.6MB

Download
memory/1564-53-0x00000000014F0000-0x0000000001500000-memory.dmp

Filesize
64KB

Download
memory/1564-52-0x00007FFD9D4C0000-0x00007FFD9DE61000-memory.dmp

Filesize
9.6MB

Download
memory/2260-74-0x00007FFD9D570000-0x00007FFD9DF11000-memory.dmp

Filesize
9.6MB

Download
memory/2260-73-0x00007FFD9D570000-0x00007FFD9DF11000-memory.dmp

Filesize
9.6MB

Download
memory/2540-11-0x0000000001900000-0x0000000001910000-memory.dmp

Filesize
64KB

Download
memory/2540-8-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2540-9-0x0000000074440000-0x00000000749F1000-memory.dmp

Filesize
5.7MB

Download
memory/2540-31-0x0000000074440000-0x00000000749F1000-memory.dmp

Filesize
5.7MB

Download
memory/2540-10-0x0000000074440000-0x00000000749F1000-memory.dmp

Filesize
5.7MB

Download
memory/3064-29-0x00007FFD9D980000-0x00007FFD9E321000-memory.dmp

Filesize
9.6MB

Download
memory/3064-24-0x0000000001880000-0x0000000001890000-memory.dmp

Filesize
64KB

Download
memory/3064-27-0x00007FFD9D980000-0x00007FFD9E321000-memory.dmp

Filesize
9.6MB

Download
memory/3064-23-0x00007FFD9D980000-0x00007FFD9E321000-memory.dmp

Filesize
9.6MB

Download
memory/3716-61-0x0000000074150000-0x0000000074701000-memory.dmp

Filesize
5.7MB

Download
memory/3716-75-0x0000000074150000-0x0000000074701000-memory.dmp

Filesize
5.7MB

Download
memory/3716-60-0x00000000014B0000-0x00000000014C0000-memory.dmp

Filesize
64KB

Download
memory/3716-59-0x0000000074150000-0x0000000074701000-memory.dmp

Filesize
5.7MB

Download
memory/4412-0-0x0000000000230000-0x0000000000270000-memory.dmp

Filesize
256KB

Download
memory/4412-1-0x00000000014A0000-0x00000000014A2000-memory.dmp

Filesize
8KB

Download
memory/4412-5-0x0000000000230000-0x0000000000270000-memory.dmp

Filesize
256KB

Download
memory/4472-38-0x0000000074150000-0x0000000074701000-memory.dmp

Filesize
5.7MB

Download
memory/4472-56-0x0000000074150000-0x0000000074701000-memory.dmp

Filesize
5.7MB

Download
memory/4472-39-0x0000000074150000-0x0000000074701000-memory.dmp

Filesize
5.7MB

Download
memory/4472-37-0x00000000015B0000-0x00000000015C0000-memory.dmp

Filesize
64KB

Download
memory/4472-36-0x0000000074150000-0x0000000074701000-memory.dmp

Filesize
5.7MB

Download