a310logger | 04e942767c6c9744ef7eb6d3cc342239b8feaacd4df3c5e542b85177c0fbd97f

Analysis

max time kernel
150s
max time network
124s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
31-12-2023 13:12

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General

Target

37798198d3649f8171286118fd320fe2.exe
Size

2.7MB
MD5

37798198d3649f8171286118fd320fe2
SHA1

e4d54a7c1dec833f20a6ff922388bac3b0a8546f
SHA256

04e942767c6c9744ef7eb6d3cc342239b8feaacd4df3c5e542b85177c0fbd97f
SHA512

04f6b778a1920686a8c831be6a827df8997c70b5f2148470142748388d8719f78c553ca462000323bc96c9dc0443addaed636687743ed6df159bab3e90e45838
SSDEEP

12288:lmsZymTeEa4vxX8Y4psEDM44IR//XjlYFq1XIJrgjawytjSu76nPK91s38NOu6Nb:ol

Score

10^/10

a310logger stormkitty zgrat collection rat spyware stealer

Malware Config

Signatures

A310logger
A310 Logger is a .NET stealer/logger targeting passwords from browsers and email clients.
stealer spyware a310logger

Detect ZGRat V1 1 IoCs

resource	yara_rule
behavioral1/memory/2088-4-0x0000000000470000-0x0000000000486000-memory.dmp	family_zgrat_v1

StormKitty
StormKitty is an open source info stealer written in C#.
stealer stormkitty

StormKitty payload 5 IoCs

resource	yara_rule
behavioral1/memory/2140-30-0x0000000000400000-0x0000000000418000-memory.dmp	family_stormkitty
behavioral1/memory/2140-32-0x0000000000400000-0x0000000000418000-memory.dmp	family_stormkitty
behavioral1/memory/2140-36-0x0000000000400000-0x0000000000418000-memory.dmp	family_stormkitty
behavioral1/memory/2140-38-0x0000000000400000-0x0000000000418000-memory.dmp	family_stormkitty
behavioral1/memory/2140-40-0x0000000000400000-0x0000000000418000-memory.dmp	family_stormkitty

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat

A310logger Executable 6 IoCs

resource	yara_rule
behavioral1/memory/2140-30-0x0000000000400000-0x0000000000418000-memory.dmp	a310logger
behavioral1/memory/2140-32-0x0000000000400000-0x0000000000418000-memory.dmp	a310logger
behavioral1/memory/2140-36-0x0000000000400000-0x0000000000418000-memory.dmp	a310logger
behavioral1/memory/2140-38-0x0000000000400000-0x0000000000418000-memory.dmp	a310logger
behavioral1/memory/2140-40-0x0000000000400000-0x0000000000418000-memory.dmp	a310logger
behavioral1/files/0x000e0000000155df-107.dat	a310logger

Executes dropped EXE 1 IoCs

pid	Process
2400	MZ.exe

Loads dropped DLL 1 IoCs

pid	Process
2140	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 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\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
2	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 2088 set thread context of 2756	2088	37798198d3649f8171286118fd320fe2.exe	28
PID 2756 set thread context of 2808	2756	37798198d3649f8171286118fd320fe2.exe	29
PID 2756 set thread context of 2140	2756	37798198d3649f8171286118fd320fe2.exe	32
PID 2756 set thread context of 1612	2756	37798198d3649f8171286118fd320fe2.exe	35

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 2 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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2400	MZ.exe
2400	MZ.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2756	37798198d3649f8171286118fd320fe2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2400	MZ.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2756	37798198d3649f8171286118fd320fe2.exe
2756	37798198d3649f8171286118fd320fe2.exe

Suspicious use of WriteProcessMemory 41 IoCs

description	pid	Process	procid_target
PID 2088 wrote to memory of 2756	2088	37798198d3649f8171286118fd320fe2.exe	28
PID 2088 wrote to memory of 2756	2088	37798198d3649f8171286118fd320fe2.exe	28
PID 2088 wrote to memory of 2756	2088	37798198d3649f8171286118fd320fe2.exe	28
PID 2088 wrote to memory of 2756	2088	37798198d3649f8171286118fd320fe2.exe	28
PID 2088 wrote to memory of 2756	2088	37798198d3649f8171286118fd320fe2.exe	28
PID 2088 wrote to memory of 2756	2088	37798198d3649f8171286118fd320fe2.exe	28
PID 2088 wrote to memory of 2756	2088	37798198d3649f8171286118fd320fe2.exe	28
PID 2088 wrote to memory of 2756	2088	37798198d3649f8171286118fd320fe2.exe	28
PID 2088 wrote to memory of 2756	2088	37798198d3649f8171286118fd320fe2.exe	28
PID 2756 wrote to memory of 2808	2756	37798198d3649f8171286118fd320fe2.exe	29
PID 2756 wrote to memory of 2808	2756	37798198d3649f8171286118fd320fe2.exe	29
PID 2756 wrote to memory of 2808	2756	37798198d3649f8171286118fd320fe2.exe	29
PID 2756 wrote to memory of 2808	2756	37798198d3649f8171286118fd320fe2.exe	29
PID 2756 wrote to memory of 2808	2756	37798198d3649f8171286118fd320fe2.exe	29
PID 2756 wrote to memory of 2808	2756	37798198d3649f8171286118fd320fe2.exe	29
PID 2756 wrote to memory of 2808	2756	37798198d3649f8171286118fd320fe2.exe	29
PID 2756 wrote to memory of 2808	2756	37798198d3649f8171286118fd320fe2.exe	29
PID 2756 wrote to memory of 2140	2756	37798198d3649f8171286118fd320fe2.exe	32
PID 2756 wrote to memory of 2140	2756	37798198d3649f8171286118fd320fe2.exe	32
PID 2756 wrote to memory of 2140	2756	37798198d3649f8171286118fd320fe2.exe	32
PID 2756 wrote to memory of 2140	2756	37798198d3649f8171286118fd320fe2.exe	32
PID 2756 wrote to memory of 2140	2756	37798198d3649f8171286118fd320fe2.exe	32
PID 2756 wrote to memory of 2140	2756	37798198d3649f8171286118fd320fe2.exe	32
PID 2756 wrote to memory of 2140	2756	37798198d3649f8171286118fd320fe2.exe	32
PID 2756 wrote to memory of 2140	2756	37798198d3649f8171286118fd320fe2.exe	32
PID 2756 wrote to memory of 2140	2756	37798198d3649f8171286118fd320fe2.exe	32
PID 2756 wrote to memory of 2140	2756	37798198d3649f8171286118fd320fe2.exe	32
PID 2756 wrote to memory of 2140	2756	37798198d3649f8171286118fd320fe2.exe	32
PID 2756 wrote to memory of 2140	2756	37798198d3649f8171286118fd320fe2.exe	32
PID 2140 wrote to memory of 2400	2140	InstallUtil.exe	34
PID 2140 wrote to memory of 2400	2140	InstallUtil.exe	34
PID 2140 wrote to memory of 2400	2140	InstallUtil.exe	34
PID 2140 wrote to memory of 2400	2140	InstallUtil.exe	34
PID 2756 wrote to memory of 1612	2756	37798198d3649f8171286118fd320fe2.exe	35
PID 2756 wrote to memory of 1612	2756	37798198d3649f8171286118fd320fe2.exe	35
PID 2756 wrote to memory of 1612	2756	37798198d3649f8171286118fd320fe2.exe	35
PID 2756 wrote to memory of 1612	2756	37798198d3649f8171286118fd320fe2.exe	35
PID 2756 wrote to memory of 1612	2756	37798198d3649f8171286118fd320fe2.exe	35
PID 2756 wrote to memory of 1612	2756	37798198d3649f8171286118fd320fe2.exe	35
PID 2756 wrote to memory of 1612	2756	37798198d3649f8171286118fd320fe2.exe	35
PID 2756 wrote to memory of 1612	2756	37798198d3649f8171286118fd320fe2.exe	35

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\37798198d3649f8171286118fd320fe2.exe
"C:\Users\Admin\AppData\Local\Temp\37798198d3649f8171286118fd320fe2.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2088
- C:\Users\Admin\AppData\Local\Temp\37798198d3649f8171286118fd320fe2.exe
  "C:\Users\Admin\AppData\Local\Temp\37798198d3649f8171286118fd320fe2.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2756
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
    3⤵
    PID:2808
- - 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:2140
  - - 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:2400
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
    3⤵
    PID:1612

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\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
9963dd886a88d0e7f57e4e90548ea28f

SHA1
e6f32c0affe5a89d604f652c41c6e3443b195b5b

SHA256
9f2f6fa2b1a553d02ce3381e1c122111319d0fa4a956beeace87a0d8745b5bcf

SHA512
34f997ea0b398a53f444c1d8839bec794d47672662f8a69c8a0d93afb64b338e67fb3c72e965c6dcc68b5daa1c3e3b8b2396f3ac4cfa74480eaafdbbed695c09

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab9CED.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar9F12.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

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

Filesize
20KB

MD5
1bad0cbd09b05a21157d8255dc801778

SHA1
ff284bba12f011b72e20d4c9537d6c455cdbf228

SHA256
218073bda7a00e780704c1289d5e22ad27bb3ba11f210afa18af33a6ad5176e9

SHA512
4fea56812eba1f1bba17f20d06b509e2a3b4e138562e53c230d0736d596abed4a6a3e43e26936fcd6d107924c8bba41885f34901afa4fd0d37d7e4a93c9b8533

Download Submit
memory/1612-118-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2088-19-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2088-1-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2088-2-0x0000000001040000-0x0000000001080000-memory.dmp

Filesize
256KB

Download
memory/2088-3-0x00000000003E0000-0x0000000000458000-memory.dmp

Filesize
480KB

Download
memory/2088-4-0x0000000000470000-0x0000000000486000-memory.dmp

Filesize
88KB

Download
memory/2088-0-0x00000000010B0000-0x0000000001364000-memory.dmp

Filesize
2.7MB

Download
memory/2140-43-0x0000000073750000-0x0000000073CFB000-memory.dmp

Filesize
5.7MB

Download
memory/2140-41-0x0000000073750000-0x0000000073CFB000-memory.dmp

Filesize
5.7MB

Download
memory/2140-115-0x0000000073750000-0x0000000073CFB000-memory.dmp

Filesize
5.7MB

Download
memory/2140-26-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2140-28-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2140-30-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2140-34-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2140-32-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2140-36-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2140-38-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2140-40-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2140-42-0x0000000000B80000-0x0000000000BC0000-memory.dmp

Filesize
256KB

Download
memory/2400-114-0x000007FEF5590000-0x000007FEF5F2D000-memory.dmp

Filesize
9.6MB

Download
memory/2400-113-0x000007FEF5590000-0x000007FEF5F2D000-memory.dmp

Filesize
9.6MB

Download
memory/2400-116-0x000007FEF5590000-0x000007FEF5F2D000-memory.dmp

Filesize
9.6MB

Download
memory/2756-17-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2756-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2756-15-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2756-9-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2756-7-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2756-24-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2756-5-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2808-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download