44caliber | 2fe37b360b2266297431b3ca5857efd07ffdfe88630f402a75cf3c3252e03808

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 14:01

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General

Target

bc45b7861276839bd565daa9c370722ddaee8969.exe
Size

303KB
MD5

568d4673286ea9b9c70d7a68351f5071
SHA1

bc45b7861276839bd565daa9c370722ddaee8969
SHA256

2fe37b360b2266297431b3ca5857efd07ffdfe88630f402a75cf3c3252e03808
SHA512

8d9eb7572c71bda79111b59bdd0e0fc4cec38d3bc591471269a2bf0655b13e82483d68b9fe4ff357176a36b27d7ae48361d052c0c8122e4572bef318b5acb0e1
SSDEEP

6144:Y5hxT6MDdbICydeBvQ26i2dVTZy6TmA1D0y6z:Y5dY26i2vT4o1DQz

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/1215365574050320435/Xs0uw6QCOgwmHxgulV8bRwClRHSPZDdcc_n9uVnaO_5U4aAeOP21GI-qx7kxwlSROYeG

Signatures

44Caliber
An open source infostealer written in C#.
stealer 44caliber
44Caliber family
44caliber
Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2400	bc45b7861276839bd565daa9c370722ddaee8969.exe
2400	bc45b7861276839bd565daa9c370722ddaee8969.exe
2400	bc45b7861276839bd565daa9c370722ddaee8969.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2400	bc45b7861276839bd565daa9c370722ddaee8969.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 2432	2400	bc45b7861276839bd565daa9c370722ddaee8969.exe	30
PID 2400 wrote to memory of 2432	2400	bc45b7861276839bd565daa9c370722ddaee8969.exe	30
PID 2400 wrote to memory of 2432	2400	bc45b7861276839bd565daa9c370722ddaee8969.exe	30

C:\Users\Admin\AppData\Local\Temp\bc45b7861276839bd565daa9c370722ddaee8969.exe
"C:\Users\Admin\AppData\Local\Temp\bc45b7861276839bd565daa9c370722ddaee8969.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2400 -s 728
  2⤵
  PID:2432

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

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2400-0-0x000007FEF5923000-0x000007FEF5924000-memory.dmp

Filesize
4KB

Download
memory/2400-1-0x0000000000CF0000-0x0000000000D42000-memory.dmp

Filesize
328KB

Download
memory/2400-21-0x000007FEF5920000-0x000007FEF630C000-memory.dmp

Filesize
9.9MB

Download
memory/2400-22-0x000007FEF5920000-0x000007FEF630C000-memory.dmp

Filesize
9.9MB

Download