44caliber | a8234940d8bae72c337c38780bbe79af9ff944282113daa64d7c18addbe019f3

Analysis

max time kernel
24s
max time network
19s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
05-08-2024 16:15

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General

Target

ad8bad1ca3c888140a267dab3ca32f40N.exe
Size

303KB
MD5

ad8bad1ca3c888140a267dab3ca32f40
SHA1

a8455a1023ca8b83b145669036eaf7e47fd23a4b
SHA256

a8234940d8bae72c337c38780bbe79af9ff944282113daa64d7c18addbe019f3
SHA512

d9522ee93908fb8b04d00a2ae0f79776f6570387ef625e0e46ffb34d185e2e25e753438ec92ed1d39ca6bd3c9ab777397e541facb087fe84852df064dabdc0f0
SSDEEP

6144:15hxT6MDdbICydeBvQ26i2dVTZ867mA1D0FI6:15dY26i2vTGA1DR6

Score

10^/10

44caliber credential_access spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/1267879755852677195/gVzfD2x4tcYypDXASFDiRFPDc3XXIcfmVrwOtmb4OxjlfTTOMCCPvDvp3O4Y4cLpKKeR

Signatures

44Caliber
An open source infostealer written in C#.
stealer 44caliber
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
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
3068	ad8bad1ca3c888140a267dab3ca32f40N.exe
3068	ad8bad1ca3c888140a267dab3ca32f40N.exe
3068	ad8bad1ca3c888140a267dab3ca32f40N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3068	ad8bad1ca3c888140a267dab3ca32f40N.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3068 wrote to memory of 568	3068	ad8bad1ca3c888140a267dab3ca32f40N.exe	28
PID 3068 wrote to memory of 568	3068	ad8bad1ca3c888140a267dab3ca32f40N.exe	28
PID 3068 wrote to memory of 568	3068	ad8bad1ca3c888140a267dab3ca32f40N.exe	28

C:\Users\Admin\AppData\Local\Temp\ad8bad1ca3c888140a267dab3ca32f40N.exe
"C:\Users\Admin\AppData\Local\Temp\ad8bad1ca3c888140a267dab3ca32f40N.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3068
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 3068 -s 1032
  2⤵
  PID:568

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/3068-0-0x000007FEF5F53000-0x000007FEF5F54000-memory.dmp

Filesize
4KB

Download
memory/3068-1-0x0000000000AA0000-0x0000000000AF2000-memory.dmp

Filesize
328KB

Download
memory/3068-20-0x000007FEF5F50000-0x000007FEF693C000-memory.dmp

Filesize
9.9MB

Download
memory/3068-21-0x000007FEF5F53000-0x000007FEF5F54000-memory.dmp

Filesize
4KB

Download
memory/3068-22-0x000007FEF5F50000-0x000007FEF693C000-memory.dmp

Filesize
9.9MB

Download