44caliber | 42538f0378843cc317f37ff9731b8c917f6763d811c0fde29bac25b759402f47

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
20-05-2024 15:22

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General

Target

Updata.exe
Size

303KB
MD5

fa8baa8b5f5e19777e1b20104defff51
SHA1

a17922c107c303693489530dbfa3bb20afc24e59
SHA256

42538f0378843cc317f37ff9731b8c917f6763d811c0fde29bac25b759402f47
SHA512

4e2478795dacfe440860f03c8b0e318f238b2d2e09e278c995b49a90415ff275c87645f3d22cbff6102e5db683d4d98f0ef13abb6002eb19c647f86ec8d69d62
SSDEEP

6144:4/oT6MDdbICydeBrdEGHpcJWbu6JmA1D0mGW:4/WJEGHpQWaa1DsW

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/1239246319751528579/IYIQqMQxDmDpiYnpeLyqY8m4ky9T5uSTQX5CVjPoiRejTrVzBHNdk_JlDhnNu15EaRmp

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

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1160	Updata.exe
1160	Updata.exe
1160	Updata.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1160	Updata.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1160 wrote to memory of 2784	1160	Updata.exe	28
PID 1160 wrote to memory of 2784	1160	Updata.exe	28
PID 1160 wrote to memory of 2784	1160	Updata.exe	28

C:\Users\Admin\AppData\Local\Temp\Updata.exe
"C:\Users\Admin\AppData\Local\Temp\Updata.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1160
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 1160 -s 720
  2⤵
  PID:2784

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/1160-0-0x000007FEF5413000-0x000007FEF5414000-memory.dmp

Filesize
4KB

Download
memory/1160-1-0x0000000000AD0000-0x0000000000B22000-memory.dmp

Filesize
328KB

Download
memory/1160-20-0x000007FEF5410000-0x000007FEF5DFC000-memory.dmp

Filesize
9.9MB

Download
memory/1160-21-0x000007FEF5410000-0x000007FEF5DFC000-memory.dmp

Filesize
9.9MB

Download