afb9edbf499a4726d798cda9f0f372b4b1019033b68d5eb87a8a83ecb7463d6f

Analysis

max time kernel
119s
max time network
122s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
02/09/2024, 14:56

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General

Target
66d58b1858bcb_crypted.exe
Size 516KB
Sample240902-sa124ssfrj
SHA256 afb9edbf499a4726d798cda9f0f372b4b1019033b68d5eb87a8a83ecb7463d6f
MD5 d8ecb462d3046a0ee172551c5d505c8e
SHA1 54f9e16b497579964e9afc90c3c0c208f16b4418
SHA512 9eed44c24a71b44e90efc853b75d2103faa3f8518e1efad45c8c4733ee0396c51e8ea11ba6e7d2ac4f30234e6380c3325227cced8d1753373581eb45073c012e
SSDEEP 12288:HiI9LiGtFBsoR1UJdFpzz0b+fzV4ULweVBBP0bK4WHL/Ff5qTkfozd:HieFBXRqJDpzE+LVfXVkbK4WlAvd
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 2348 set thread context of 2760	2348	66d58b1858bcb_crypted.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	66d58b1858bcb_crypted.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2760	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2760	RegAsm.exe
Token: SeBackupPrivilege	2760	RegAsm.exe
Token: SeSecurityPrivilege	2760	RegAsm.exe
Token: SeSecurityPrivilege	2760	RegAsm.exe
Token: SeSecurityPrivilege	2760	RegAsm.exe
Token: SeSecurityPrivilege	2760	RegAsm.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 2760	2348	66d58b1858bcb_crypted.exe	31
PID 2348 wrote to memory of 2760	2348	66d58b1858bcb_crypted.exe	31
PID 2348 wrote to memory of 2760	2348	66d58b1858bcb_crypted.exe	31
PID 2348 wrote to memory of 2760	2348	66d58b1858bcb_crypted.exe	31
PID 2348 wrote to memory of 2760	2348	66d58b1858bcb_crypted.exe	31
PID 2348 wrote to memory of 2760	2348	66d58b1858bcb_crypted.exe	31
PID 2348 wrote to memory of 2760	2348	66d58b1858bcb_crypted.exe	31
PID 2348 wrote to memory of 2760	2348	66d58b1858bcb_crypted.exe	31
PID 2348 wrote to memory of 2760	2348	66d58b1858bcb_crypted.exe	31
PID 2348 wrote to memory of 2760	2348	66d58b1858bcb_crypted.exe	31
PID 2348 wrote to memory of 2760	2348	66d58b1858bcb_crypted.exe	31
PID 2348 wrote to memory of 2760	2348	66d58b1858bcb_crypted.exe	31

C:\Users\Admin\AppData\Local\Temp\66d58b1858bcb_crypted.exe
"C:\Users\Admin\AppData\Local\Temp\66d58b1858bcb_crypted.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2348
- 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:2760

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

Cab2C7F.tmp

Path C:\Users\Admin\AppData\Local\Temp\Cab2C7F.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/2348-0-0x0000000074C3E000-0x0000000074C3F000-memory.dmp

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memory/2348-1-0x0000000000A60000-0x0000000000AE8000-memory.dmp

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memory/2348-14-0x0000000074C30000-0x000000007531E000-memory.dmp

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memory/2760-9-0x0000000000400000-0x0000000000486000-memory.dmp

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memory/2760-13-0x0000000000400000-0x0000000000486000-memory.dmp

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memory/2760-11-0x0000000000400000-0x0000000000486000-memory.dmp

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memory/2760-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

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memory/2760-5-0x0000000000400000-0x0000000000486000-memory.dmp

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memory/2760-4-0x0000000000400000-0x0000000000486000-memory.dmp

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memory/2760-6-0x0000000000400000-0x0000000000486000-memory.dmp

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memory/2760-3-0x0000000000400000-0x0000000000486000-memory.dmp

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