44caliber | 3fbbbbf97c47ed31e3409c6f1ec906ccdccad38a7b6ec2bb30d9b317487fe305

Analysis

max time kernel
94s
max time network
114s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
15-04-2024 03:37

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General

Target

f0376d8a746bc8d8589d368af430f307_JaffaCakes118.exe
Size

252KB
MD5

f0376d8a746bc8d8589d368af430f307
SHA1

99245d66e795fffb2d033fad31c03f30a562fd17
SHA256

3fbbbbf97c47ed31e3409c6f1ec906ccdccad38a7b6ec2bb30d9b317487fe305
SHA512

f762852235f294b0b68197d5dcfc7943cb3bbec6a318d0b9e5c61bdfd7dc5d039b6d8c255ca4b1511ae4fcd3bff9f9252509a5c2bd0a6cdfcee91b7f6d933338
SSDEEP

3072:977eMqu+6ju4ulnpsXMZ4jB/l3jAQ9iGbENKA5dUN2gKf4Ekz1eaMjAmectmF3hZ:NeMu6A/ejB/hA2iGwRm2nQ1z1eRbpr

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/877551745146966088/zdWS__oS1X6coj-dV7NIr-hd12u1LwU_oWVOI2bIsC96CC3sU1OIo4ccoGSgAlx_8B3A

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
3	freegeoip.app
4	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	f0376d8a746bc8d8589d368af430f307_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	f0376d8a746bc8d8589d368af430f307_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4004	f0376d8a746bc8d8589d368af430f307_JaffaCakes118.exe
4004	f0376d8a746bc8d8589d368af430f307_JaffaCakes118.exe
4004	f0376d8a746bc8d8589d368af430f307_JaffaCakes118.exe
4004	f0376d8a746bc8d8589d368af430f307_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4004	f0376d8a746bc8d8589d368af430f307_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\f0376d8a746bc8d8589d368af430f307_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f0376d8a746bc8d8589d368af430f307_JaffaCakes118.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4004

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:\Users\Admin\AppData\Roaming\44\Process.txt

Filesize
1KB

MD5
9eeea62c8d0ef8f32f8b5016d4cb2fab

SHA1
afa73b5c97f15306405db7783f630b9c285d4d14

SHA256
2898abec8c0eda42086bd5f766c114a725644e5656790e17d888dac4dc33dbd0

SHA512
5758c03447078f59d6e5ee51e843a4fc08ba1589a72cfe2a981ee0eff0aad8ebe5c8dab22b6532479b8d2b1ce47fd610af8732b03e3a436caf08783411482586

Download Submit
memory/4004-0-0x0000000000320000-0x0000000000366000-memory.dmp

Filesize
280KB

Download
memory/4004-1-0x00007FF83F760000-0x00007FF840221000-memory.dmp

Filesize
10.8MB

Download
memory/4004-24-0x000000001AEF0000-0x000000001AF00000-memory.dmp

Filesize
64KB

Download
memory/4004-121-0x00007FF83F760000-0x00007FF840221000-memory.dmp

Filesize
10.8MB

Download