44caliber | c384c90952b58f1bae1104c9c1898ab43454f922b1eb2c482042405e83442290

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
13-07-2024 19:02

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General

Target

42f3ef59924620b6860e51162b1c48e8_JaffaCakes118.exe
Size

252KB
MD5

42f3ef59924620b6860e51162b1c48e8
SHA1

38fa893b074d5db0ab16962fc99a935b7a60f9b4
SHA256

c384c90952b58f1bae1104c9c1898ab43454f922b1eb2c482042405e83442290
SHA512

1c38fa8ecdd20e4f4557146dcc8f905ae519373946dd5975088638b1744b63b06c10256728b2ddaaf00c8fd77830ed5664bfce7725a971bb5aa915b95aba04e2
SSDEEP

6144:Ru0YFP5mhBs1PbSG6ny/VKlms0XC2FLk78kZ:008gOlL/VGn0SFwk

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/893708789679783947/dTZTjfGIFQXCZUzJQr5UmJ8mioHm5Q4KHpMoDrD6Up9yDL0gaeuxdBoE-CeC61m6fBY2

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

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	42f3ef59924620b6860e51162b1c48e8_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	42f3ef59924620b6860e51162b1c48e8_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3040	42f3ef59924620b6860e51162b1c48e8_JaffaCakes118.exe
3040	42f3ef59924620b6860e51162b1c48e8_JaffaCakes118.exe
3040	42f3ef59924620b6860e51162b1c48e8_JaffaCakes118.exe
3040	42f3ef59924620b6860e51162b1c48e8_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3040	42f3ef59924620b6860e51162b1c48e8_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\42f3ef59924620b6860e51162b1c48e8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\42f3ef59924620b6860e51162b1c48e8_JaffaCakes118.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3040

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\44\Process.txt

Filesize
1KB

MD5
98762d74ecdf08dbdfde902c5e9c0b8f

SHA1
8363c2f8940e1321c3b8a668c422af9113e30df6

SHA256
f838c0e1196fa20a5ef251ce13eca80d213812d0e7f6e3dffd55d1f4daac62d1

SHA512
27f395f9c7ce794c0f9e927bc03f98e656bf22e0ca82f013e3fc3099ba20f9e5749ac8f2b6a1e1c8b8fb45cfcb1076c580b427906f869c9ae98e6eb17bfb9b32

Download Submit
memory/3040-0-0x00007FFA42513000-0x00007FFA42515000-memory.dmp

Filesize
8KB

Download
memory/3040-1-0x0000021FC0FE0000-0x0000021FC1026000-memory.dmp

Filesize
280KB

Download
memory/3040-32-0x00007FFA42510000-0x00007FFA42FD1000-memory.dmp

Filesize
10.8MB

Download
memory/3040-120-0x00007FFA42510000-0x00007FFA42FD1000-memory.dmp

Filesize
10.8MB

Download