44caliber | ed4b34121d1f4957d8f6210d8af607c3f79179607a4e1f4d71cb6f00d81b2200

Analysis

max time kernel
95s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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
1	freegeoip.app
2	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 opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	31549ee17789b9d35897451f2a8e3c6f_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	31549ee17789b9d35897451f2a8e3c6f_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1752	31549ee17789b9d35897451f2a8e3c6f_JaffaCakes118.exe
1752	31549ee17789b9d35897451f2a8e3c6f_JaffaCakes118.exe
1752	31549ee17789b9d35897451f2a8e3c6f_JaffaCakes118.exe
1752	31549ee17789b9d35897451f2a8e3c6f_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1752	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:1752

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
694B

MD5
e0b9d2c9be1dc854996d0e5e39ad9506

SHA1
ba1652e1757791e2d664ef5450547a6b7edac774

SHA256
1a71c8a813cd8dbbf5d10b29a2565a78fe8ecdb6dad8d5df5d79eca232643ee5

SHA512
fcc06c6b40ad13fbcc9c044992c6fd0847ae36acba2636525ad6cb3f383c232c18477b7887557b3f81b70402b040eaf5b7accae1b5ae6e76e83ae2f509b3d496

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

Filesize
1KB

MD5
7c081c51adb2340b58c39e5d3ff5fb40

SHA1
94ef4585894f2234ba28b9d39c4b83c8e11d3bb9

SHA256
dcc44bc3b242e34ba1eb956239fdfd53678c6e5a22795c6ff6d2791384b45e2e

SHA512
12bce78330b069a37073127d1e295f1d07105df3d0a450838b8c8648bff8a4f4d207b28935032996ea5428a69ff038fa6353134c1b5b53b4b50e2828ecb243fd

Download Submit
memory/1752-0-0x00007FF865093000-0x00007FF865095000-memory.dmp

Filesize
8KB

Download
memory/1752-1-0x0000000000020000-0x000000000006A000-memory.dmp

Filesize
296KB

Download
memory/1752-4-0x00007FF865090000-0x00007FF865B51000-memory.dmp

Filesize
10.8MB

Download
memory/1752-119-0x00007FF865090000-0x00007FF865B51000-memory.dmp

Filesize
10.8MB

Download