44caliber | b9f34d06a915b9a5d091acf7901dcf484e3894e73b72f621d2c484566dd818ac

General

Target

b9f34d06a915b9a5d091acf7901dcf484e3894e73b72f621d2c484566dd818ac.exe
Size

441KB
MD5

292539bb44b33a26b14d7765695159d3
SHA1

6a17fdbf8ef8351ffe2ff67b4159ca69ddd48f28
SHA256

b9f34d06a915b9a5d091acf7901dcf484e3894e73b72f621d2c484566dd818ac
SHA512

a86a7c3183235a8a5371cc51f1b82373e9e8060df9beccedadf3fb8efab96d9b486ae50b6a601ce07c727a2035f043a574d736f2811c2485441bb3083dfbb516

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/941047365631086602/V3bLg4Oq1PpqS0I4y0Iau7A7FmfvU9HodJZUfZspA0qYOBb5-PV3byaM7skOT24w1CCR

Signatures

44Caliber
An open source infostealer written in C#.
stealer 44caliber
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
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

664 1684 WerFault.exe b9f34d06a915b9a5d091acf7901dcf484e3894e73b72f621d2c484566dd818ac.exe

pid	pid_target	process	target process
664	1684	WerFault.exe	b9f34d06a915b9a5d091acf7901dcf484e3894e73b72f621d2c484566dd818ac.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

b9f34d06a915b9a5d091acf7901dcf484e3894e73b72f621d2c484566dd818ac.exeWerFault.exe

pid	process
1684	b9f34d06a915b9a5d091acf7901dcf484e3894e73b72f621d2c484566dd818ac.exe
1684	b9f34d06a915b9a5d091acf7901dcf484e3894e73b72f621d2c484566dd818ac.exe
1684	b9f34d06a915b9a5d091acf7901dcf484e3894e73b72f621d2c484566dd818ac.exe
664	WerFault.exe
664	WerFault.exe
664	WerFault.exe
664	WerFault.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

WerFault.exe

pid process

664 WerFault.exe

pid	process
664	WerFault.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

b9f34d06a915b9a5d091acf7901dcf484e3894e73b72f621d2c484566dd818ac.exeWerFault.exe

description	pid	process
Token: SeDebugPrivilege	1684	b9f34d06a915b9a5d091acf7901dcf484e3894e73b72f621d2c484566dd818ac.exe
Token: SeDebugPrivilege	664	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

b9f34d06a915b9a5d091acf7901dcf484e3894e73b72f621d2c484566dd818ac.exe

description	pid	process	target process
PID 1684 wrote to memory of 664	1684	b9f34d06a915b9a5d091acf7901dcf484e3894e73b72f621d2c484566dd818ac.exe	WerFault.exe
PID 1684 wrote to memory of 664	1684	b9f34d06a915b9a5d091acf7901dcf484e3894e73b72f621d2c484566dd818ac.exe	WerFault.exe
PID 1684 wrote to memory of 664	1684	b9f34d06a915b9a5d091acf7901dcf484e3894e73b72f621d2c484566dd818ac.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\b9f34d06a915b9a5d091acf7901dcf484e3894e73b72f621d2c484566dd818ac.exe
"C:\Users\Admin\AppData\Local\Temp\b9f34d06a915b9a5d091acf7901dcf484e3894e73b72f621d2c484566dd818ac.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1684

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 1684 -s 812
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:664

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/664-56-0x000007FEFC321000-0x000007FEFC323000-memory.dmp

Filesize
8KB

Download
memory/664-58-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/1684-54-0x000007FEF5D93000-0x000007FEF5D94000-memory.dmp

Filesize
4KB

Download
memory/1684-55-0x0000000000A70000-0x0000000000AE4000-memory.dmp

Filesize
464KB

Download
memory/1684-57-0x000000001A7F0000-0x000000001A7F2000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads