a21388b8be0612fb9d0274cba67c88df2d604629322fc0968558dfd28be09cd4

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13/09/2024, 08:25

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General

Target
file.exe
Size 342KB
Sample240913-kbabsatfmc
SHA256 a21388b8be0612fb9d0274cba67c88df2d604629322fc0968558dfd28be09cd4
MD5 dc0d22b7133699183da35835f6dc4d1b
SHA1 1d5cc388057254f037c10e3ddab6531f9ea5ffad
SHA512 6135a36911a05654d380e740666dac650ecffd9b47f411012e8e30dfbc954520dbee3e9183984db7f9fc0997785d795305eaf88f5da3116026080fef4c5eee01
SSDEEP 6144:Pz4G5jPpINK4i1KzoF4pr0sBvpFP8ki0Jw2gYD0mfbeYlKs32:P0G5LpINKD1KnRvBvvP7i0JtXTersG
MD5 SHA1 SHA512 SSDEEP

Score

9^/10

credential_access discovery spyware stealer

Malware Config

Signatures

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
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
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2172 set thread context of 2352	2172	file.exe	31

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2352	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2352	RegAsm.exe
Token: SeBackupPrivilege	2352	RegAsm.exe
Token: SeSecurityPrivilege	2352	RegAsm.exe
Token: SeSecurityPrivilege	2352	RegAsm.exe
Token: SeSecurityPrivilege	2352	RegAsm.exe
Token: SeSecurityPrivilege	2352	RegAsm.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 2352	2172	file.exe	31
PID 2172 wrote to memory of 2352	2172	file.exe	31
PID 2172 wrote to memory of 2352	2172	file.exe	31
PID 2172 wrote to memory of 2352	2172	file.exe	31
PID 2172 wrote to memory of 2352	2172	file.exe	31
PID 2172 wrote to memory of 2352	2172	file.exe	31
PID 2172 wrote to memory of 2352	2172	file.exe	31
PID 2172 wrote to memory of 2352	2172	file.exe	31
PID 2172 wrote to memory of 2352	2172	file.exe	31
PID 2172 wrote to memory of 2352	2172	file.exe	31
PID 2172 wrote to memory of 2352	2172	file.exe	31
PID 2172 wrote to memory of 2352	2172	file.exe	31

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2172
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2352

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

CabA537.tmp

Path C:\Users\Admin\AppData\Local\Temp\CabA537.tmp
Size 70KB
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
SSDEEP 1536:gc257bHnClJ3v5mnAQEBP+bfnW8Ctl8G1G4eu76NWDdB34w18R5cBWcJAm68+Q:gp2ld5jPqW8LgeulxB3fgcEfDQ
MD5 SHA1 SHA512 SSDEEP

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memory/2172-15-0x00000000020E0000-0x00000000040E0000-memory.dmp

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memory/2172-1-0x00000000000E0000-0x000000000013C000-memory.dmp

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memory/2172-16-0x0000000074340000-0x0000000074A2E000-memory.dmp

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memory/2172-0-0x000000007434E000-0x000000007434F000-memory.dmp

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memory/2352-14-0x0000000000400000-0x000000000045A000-memory.dmp

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memory/2352-8-0x0000000000400000-0x000000000045A000-memory.dmp

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memory/2352-6-0x0000000000400000-0x000000000045A000-memory.dmp

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memory/2352-5-0x0000000000400000-0x000000000045A000-memory.dmp

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memory/2352-10-0x0000000000400000-0x000000000045A000-memory.dmp

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memory/2352-19-0x0000000000400000-0x000000000045A000-memory.dmp

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memory/2352-20-0x0000000000400000-0x000000000045A000-memory.dmp

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memory/2352-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

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