44caliber | ed4b34121d1f4957d8f6210d8af607c3f79179607a4e1f4d71cb6f00d81b2200

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
10-10-2024 18:28

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General

Target

31549ee17789b9d35897451f2a8e3c6f_JaffaCakes118.exe
Size

274KB
MD5

31549ee17789b9d35897451f2a8e3c6f
SHA1

358fe857a54ad6047a808adef2dbffd94ce9ed49
SHA256

ed4b34121d1f4957d8f6210d8af607c3f79179607a4e1f4d71cb6f00d81b2200
SHA512

9e392034a4d51ca129c1dfe8690fbc112adb0eff43bf43246fc24b5035a9d0c8cfd0cff759933942be378ec6854c0be7af2e47b2d1ded306ed50339730d32f83
SSDEEP

6144:Pf+BLtABPDtFxzerToNZrOGyvTp41V6GIeyXCRA1D0MGK:hFfNZrOR1Y69eyXn1DCK

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/883656427623837746/w0reCSIH8EAnnTKVOLM5F64hQZPEr1gGP29WPCpD1C7aoKQqnj8uVsfYteAY-lmvCUkH

Signatures

44Caliber
An open source infostealer written in C#.
stealer 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

Looks up external IP address via web service 2 IoCs

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

flow	ioc
4	freegeoip.app
5	freegeoip.app

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	31549ee17789b9d35897451f2a8e3c6f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	31549ee17789b9d35897451f2a8e3c6f_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2620	31549ee17789b9d35897451f2a8e3c6f_JaffaCakes118.exe
2620	31549ee17789b9d35897451f2a8e3c6f_JaffaCakes118.exe
2620	31549ee17789b9d35897451f2a8e3c6f_JaffaCakes118.exe
2620	31549ee17789b9d35897451f2a8e3c6f_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2620	31549ee17789b9d35897451f2a8e3c6f_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\31549ee17789b9d35897451f2a8e3c6f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\31549ee17789b9d35897451f2a8e3c6f_JaffaCakes118.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2620

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\44\Process.txt

Filesize
472B

MD5
e56a92e3b442408694454c205691acf0

SHA1
880c0baf22d703e6dd8ab4cf1d496688778c851a

SHA256
f061a13dbd5cc39e918ff1f12e338489dcba0501a613afd82aba58884f79a0e0

SHA512
f0cc3130aace9961e19e995e1aebcb1da5aef24ce397b3534e37e5881ce8076993e99c1d06285b7aeb62f553af8dbdd722a0364e18b8e08ad84a858075e625aa

Download Submit
memory/2620-0-0x000007FEF5923000-0x000007FEF5924000-memory.dmp

Filesize
4KB

Download
memory/2620-1-0x0000000000180000-0x00000000001CA000-memory.dmp

Filesize
296KB

Download
memory/2620-21-0x000007FEF5920000-0x000007FEF630C000-memory.dmp

Filesize
9.9MB

Download
memory/2620-54-0x000007FEF5920000-0x000007FEF630C000-memory.dmp

Filesize
9.9MB

Download