44caliber | 1862de02fa8eff612a8d616c5d405bc5898c35fd3cfc74c6b8ceeda8b5bb8db3

Analysis

max time kernel
122s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
20-07-2024 14:11

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General

Target

CR9CK/CR9CK.exe
Size

303KB
MD5

d58c2577966ca8563fd69729151f52ea
SHA1

efed2d279e6b2a23a46392731cc8d36411bcdcb3
SHA256

4164f7408da2a5a31318d8a6da3c17546f6782822a07e928c0824401cce69830
SHA512

8502777f3ddca95dcda8f1962945f6285ee0fe2a2bf008d35066bf0b6eb97733822d7ade6c6b5134c64036d2a2d80802641529283cd30d757bc0b552a5fc9b1c
SSDEEP

6144:Uz2ZNT6MDdbICydeBblLIGv2A5siP6vmA1D0g/O:Uzi5IGv20sKM1DbO

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/1259949517135151126/locx-MKcF15uY85qiDh_Kt5nRCte0luK62KFHfEH79iF3r9uRpGPhsG-g9YijITFCe5d

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
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow	ioc
2	freegeoip.app

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

CR9CK.exe

pid	Process
2360	CR9CK.exe
2360	CR9CK.exe
2360	CR9CK.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

CR9CK.exe

description	pid	Process
Token: SeDebugPrivilege	2360	CR9CK.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

CR9CK.exe

description	pid	Process	procid_target
PID 2360 wrote to memory of 2744	2360	CR9CK.exe	30
PID 2360 wrote to memory of 2744	2360	CR9CK.exe	30
PID 2360 wrote to memory of 2744	2360	CR9CK.exe	30

C:\Users\Admin\AppData\Local\Temp\CR9CK\CR9CK.exe
"C:\Users\Admin\AppData\Local\Temp\CR9CK\CR9CK.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2360
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2360 -s 1096
  2⤵
  PID:2744

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/2360-0-0x000007FEF5CF3000-0x000007FEF5CF4000-memory.dmp

Filesize
4KB

Download
memory/2360-1-0x0000000000240000-0x0000000000292000-memory.dmp

Filesize
328KB

Download
memory/2360-19-0x000007FEF5CF0000-0x000007FEF66DC000-memory.dmp

Filesize
9.9MB

Download
memory/2360-20-0x000007FEF5CF3000-0x000007FEF5CF4000-memory.dmp

Filesize
4KB

Download
memory/2360-21-0x000007FEF5CF0000-0x000007FEF66DC000-memory.dmp

Filesize
9.9MB

Download