44caliber | 902683505c95e889efddf689d20757d7dbe7958330f089660f042ff15d63548e

General

Target

902683505c95e889efddf689d20757d7dbe7958330f089660f042ff15d63548e.exe
Size

303KB
MD5

ed2ba312101c8e6860e12b439190efd2
SHA1

c0eeefeea67ea0930e690e3d764cf58762abe7bf
SHA256

902683505c95e889efddf689d20757d7dbe7958330f089660f042ff15d63548e
SHA512

0138a0b34ad44f0e3da7c0a1950e35e7d98e6b21f9c517a246d57382e1fe76268c84e62061f329daf159e947afdc6cef6e9db8d4d01670c69e768219cee29639

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/940603138866548747/iK_mJn3uZkhsOGcPCb1oD8P_Ng4y0gU75tAl36SdkiDuyN71SOCzAe43fyWh488hj7EO

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

1116 1152 WerFault.exe 902683505c95e889efddf689d20757d7dbe7958330f089660f042ff15d63548e.exe

pid	pid_target	process	target process
1116	1152	WerFault.exe	902683505c95e889efddf689d20757d7dbe7958330f089660f042ff15d63548e.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

902683505c95e889efddf689d20757d7dbe7958330f089660f042ff15d63548e.exeWerFault.exe

pid	process
1152	902683505c95e889efddf689d20757d7dbe7958330f089660f042ff15d63548e.exe
1152	902683505c95e889efddf689d20757d7dbe7958330f089660f042ff15d63548e.exe
1152	902683505c95e889efddf689d20757d7dbe7958330f089660f042ff15d63548e.exe
1116	WerFault.exe
1116	WerFault.exe
1116	WerFault.exe
1116	WerFault.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

WerFault.exe

pid process

1116 WerFault.exe

pid	process
1116	WerFault.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

902683505c95e889efddf689d20757d7dbe7958330f089660f042ff15d63548e.exeWerFault.exe

description	pid	process
Token: SeDebugPrivilege	1152	902683505c95e889efddf689d20757d7dbe7958330f089660f042ff15d63548e.exe
Token: SeDebugPrivilege	1116	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

902683505c95e889efddf689d20757d7dbe7958330f089660f042ff15d63548e.exe

description	pid	process	target process
PID 1152 wrote to memory of 1116	1152	902683505c95e889efddf689d20757d7dbe7958330f089660f042ff15d63548e.exe	WerFault.exe
PID 1152 wrote to memory of 1116	1152	902683505c95e889efddf689d20757d7dbe7958330f089660f042ff15d63548e.exe	WerFault.exe
PID 1152 wrote to memory of 1116	1152	902683505c95e889efddf689d20757d7dbe7958330f089660f042ff15d63548e.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\902683505c95e889efddf689d20757d7dbe7958330f089660f042ff15d63548e.exe
"C:\Users\Admin\AppData\Local\Temp\902683505c95e889efddf689d20757d7dbe7958330f089660f042ff15d63548e.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1152

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 1152 -s 812
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1116

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

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Downloads

memory/1116-56-0x000007FEFBCB1000-0x000007FEFBCB3000-memory.dmp

Filesize
8KB

Download
memory/1116-58-0x0000000001C20000-0x0000000001C21000-memory.dmp

Filesize
4KB

Download
memory/1152-54-0x0000000000AE0000-0x0000000000B32000-memory.dmp

Filesize
328KB

Download
memory/1152-55-0x000007FEF5543000-0x000007FEF5544000-memory.dmp

Filesize
4KB

Download
memory/1152-57-0x000000001B020000-0x000000001B022000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads