44caliber | 49977d7ebceb8b390b44ed50f6447ce0910c9fc73b1bfdd60eef219138d0038e

Analysis

max time kernel
142s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
07-01-2024 19:42

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General

Target

a4849cead4dfa68295a47c5471422ffd.exe
Size

1.5MB
MD5

a4849cead4dfa68295a47c5471422ffd
SHA1

c6c5e9a0a3c37c583def626f9bc227c0c294fa8a
SHA256

49977d7ebceb8b390b44ed50f6447ce0910c9fc73b1bfdd60eef219138d0038e
SHA512

df17c9ecc176bae94aeab4bf5ec6733198e6b961baca50465bce6c2d2acf6cf070ad9b3ed4e6efa64d4beec3d5de24f0cfdcd7ac0c7bd8ddabf810cae324b4a4
SSDEEP

24576:CGR2feTKmUp6t23c51lT9y+wvfH79MPxvvdvOyoldbUzkvdHXFcTjYu8AlmeX5J5:CGR2fnn/3cV8+wvzCxlvOyovbUkITjhV

Score

10^/10

44caliber blackguard spyware stealer

Malware Config

Extracted

Family

blackguard

https://api.telegram.org/bot1818730721:AAGgMZz8w6trwd7tHAnNbu0kJSmYFV_IvXk/sendMessage?chat_id=1610877447

Signatures

44Caliber
An open source infostealer written in C#.
stealer 44caliber
BlackGuard
Infostealer first seen in Late 2021.
stealer blackguard
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 cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

a4849cead4dfa68295a47c5471422ffd.exe

pid process

840 a4849cead4dfa68295a47c5471422ffd.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2680 840 WerFault.exe a4849cead4dfa68295a47c5471422ffd.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

a4849cead4dfa68295a47c5471422ffd.exe

pid process

840 a4849cead4dfa68295a47c5471422ffd.exe
840 a4849cead4dfa68295a47c5471422ffd.exe
840 a4849cead4dfa68295a47c5471422ffd.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

a4849cead4dfa68295a47c5471422ffd.exe

description pid process

Token: SeDebugPrivilege 840 a4849cead4dfa68295a47c5471422ffd.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

a4849cead4dfa68295a47c5471422ffd.exe

pid process

840 a4849cead4dfa68295a47c5471422ffd.exe

pid	process
840	a4849cead4dfa68295a47c5471422ffd.exe

pid	pid_target	process	target process
2680	840	WerFault.exe	a4849cead4dfa68295a47c5471422ffd.exe

pid	process
840	a4849cead4dfa68295a47c5471422ffd.exe
840	a4849cead4dfa68295a47c5471422ffd.exe
840	a4849cead4dfa68295a47c5471422ffd.exe

description	pid	process
Token: SeDebugPrivilege	840	a4849cead4dfa68295a47c5471422ffd.exe

pid	process
840	a4849cead4dfa68295a47c5471422ffd.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

a4849cead4dfa68295a47c5471422ffd.exe

description	pid	process	target process
PID 840 wrote to memory of 2680	840	a4849cead4dfa68295a47c5471422ffd.exe	WerFault.exe
PID 840 wrote to memory of 2680	840	a4849cead4dfa68295a47c5471422ffd.exe	WerFault.exe
PID 840 wrote to memory of 2680	840	a4849cead4dfa68295a47c5471422ffd.exe	WerFault.exe
PID 840 wrote to memory of 2680	840	a4849cead4dfa68295a47c5471422ffd.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\a4849cead4dfa68295a47c5471422ffd.exe
"C:\Users\Admin\AppData\Local\Temp\a4849cead4dfa68295a47c5471422ffd.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:840

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 840 -s 1080
2⤵
- Program crash
PID:2680

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

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/840-0-0x0000000000250000-0x00000000006F6000-memory.dmp

Filesize
4.6MB

Download
memory/840-2-0x0000000074390000-0x0000000074A7E000-memory.dmp

Filesize
6.9MB

Download
memory/840-3-0x0000000000250000-0x00000000006F6000-memory.dmp

Filesize
4.6MB

Download
memory/840-1-0x0000000000250000-0x00000000006F6000-memory.dmp

Filesize
4.6MB

Download
memory/840-4-0x00000000055D0000-0x0000000005610000-memory.dmp

Filesize
256KB

Download
memory/840-30-0x0000000074390000-0x0000000074A7E000-memory.dmp

Filesize
6.9MB

Download
memory/840-31-0x00000000055D0000-0x0000000005610000-memory.dmp

Filesize
256KB

Download