44caliber | c55472156a4049406afc1b44bbe5b6b6899a83a3e6fbb5fd9d14d85886c7c2aa

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
05-04-2024 15:46

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General

Target

d7ed4cfa850622ed71171ddec552ed6c_JaffaCakes118.exe
Size

880KB
MD5

d7ed4cfa850622ed71171ddec552ed6c
SHA1

8b0a8f4268444c2a8c2807a668ba28eb955d8d11
SHA256

c55472156a4049406afc1b44bbe5b6b6899a83a3e6fbb5fd9d14d85886c7c2aa
SHA512

e146606f41ff87a14df0084b9fef476c187be5fe184319610ecf10d427f1b6afacb310a43e1e87d26f2e52141c51efea18cca634e6a91bb739ccbe268d8a74aa
SSDEEP

12288:Bdcd8jFKGUJmQCyCs/RGbkhuVRDa3fXE6Rc4q2l/edmZfOE7xxLML9u7BAlIrbqR:BdtjFKDVCs5NMVzMJnq/

Score

10^/10

44caliber spyware stealer

Malware Config

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
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 opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	d7ed4cfa850622ed71171ddec552ed6c_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	d7ed4cfa850622ed71171ddec552ed6c_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1620	d7ed4cfa850622ed71171ddec552ed6c_JaffaCakes118.exe
1620	d7ed4cfa850622ed71171ddec552ed6c_JaffaCakes118.exe
1620	d7ed4cfa850622ed71171ddec552ed6c_JaffaCakes118.exe
1620	d7ed4cfa850622ed71171ddec552ed6c_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1620	d7ed4cfa850622ed71171ddec552ed6c_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\d7ed4cfa850622ed71171ddec552ed6c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d7ed4cfa850622ed71171ddec552ed6c_JaffaCakes118.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1620

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

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Downloads

C:\ProgramData\44\Process.txt

Filesize
411B

MD5
d5bb96c1005e58c0db0fdd5ca5cea38b

SHA1
d51d23bdbd74361929c574f2df9cc99513e511ec

SHA256
fb9bc22e1b493ff2bf1f814a49192a5ce9b383c6052d509b421cb1cdbadead9a

SHA512
785570ebe11169fadc9c9de463c567cf389d378b48269416a28dd7f43bce71c3c7a4a399aac87e0d1b5c3ad80a2d9693feb45ad8a6e5f150da2b6ad9f3c89bbe

Download Submit
memory/1620-0-0x0000000001140000-0x0000000001222000-memory.dmp

Filesize
904KB

Download
memory/1620-1-0x000007FEF5180000-0x000007FEF5B6C000-memory.dmp

Filesize
9.9MB

Download
memory/1620-2-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/1620-3-0x000000001B010000-0x000000001B090000-memory.dmp

Filesize
512KB

Download
memory/1620-49-0x000007FEF5180000-0x000007FEF5B6C000-memory.dmp

Filesize
9.9MB

Download