44caliber | 9aa6cc584cb71f79cd0bed533930514f04b3f1f84163cd0fa5808e6d88d26362

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
09-01-2024 14:24

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General

Target

4e896524210ad3a26c70e5b835a7f791.exe
Size

598KB
MD5

4e896524210ad3a26c70e5b835a7f791
SHA1

56266f2cfcccaadd39a76fd2b71f776d81777f7e
SHA256

9aa6cc584cb71f79cd0bed533930514f04b3f1f84163cd0fa5808e6d88d26362
SHA512

bfa8ed75ec6da65875ca654092930cd3ebac0f8e8f2c1650c9dc67e570de5f4622edd20d4b7398365e0bcba2e52c8b5214221fd347c296065bbc40913ea046de
SSDEEP

12288:1tqe3zJK6Y69eyXf1DBLP/NtvEbCzCo06qVwe6FQp9ioP0:bdI6F3PTsbCx06qH6F4RP

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/855417360688480256/JUyPPd3soXD0X_vllpMQMEAEAMSAs1J4iX2r2jRuXhB3kX2tHimYk-jMIi71U29HYoiG

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.

Processes:

flow ioc

2 freegeoip.app
3 freegeoip.app

flow	ioc
2	freegeoip.app
3	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

Processes:

4e896524210ad3a26c70e5b835a7f791.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	4e896524210ad3a26c70e5b835a7f791.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	4e896524210ad3a26c70e5b835a7f791.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

4e896524210ad3a26c70e5b835a7f791.exe

pid	process
2224	4e896524210ad3a26c70e5b835a7f791.exe
2224	4e896524210ad3a26c70e5b835a7f791.exe
2224	4e896524210ad3a26c70e5b835a7f791.exe
2224	4e896524210ad3a26c70e5b835a7f791.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

4e896524210ad3a26c70e5b835a7f791.exe

description pid process

Token: SeDebugPrivilege 2224 4e896524210ad3a26c70e5b835a7f791.exe

description	pid	process
Token: SeDebugPrivilege	2224	4e896524210ad3a26c70e5b835a7f791.exe

C:\Users\Admin\AppData\Local\Temp\4e896524210ad3a26c70e5b835a7f791.exe
"C:\Users\Admin\AppData\Local\Temp\4e896524210ad3a26c70e5b835a7f791.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2224

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
268B

MD5
51281d9808c59d66d96b1c2ec6557eed

SHA1
9b17ba356484e2978d83673dc0fe0be347d9e555

SHA256
425a1f47a53caa4defbb5a24d4780676188c963f39a62863df9b27d8f07c9f60

SHA512
47163d28a1127b85fe6e027aa88277fc49b86999f731d02e9085f86147825c7fccb1be5dc5264278d65d53ff89c2b33279a4a8da2db1bf89f69b4d6f875c54a6

Download Submit
C:\ProgramData\44\Process.txt

Filesize
412B

MD5
67b8155ed596d9313ffacf3218749751

SHA1
1c42f3d336b6ea1e7fef19a0d409065e564cee1f

SHA256
73ac9683c1884649939d69ffaa3f14fd5ade6aa82c65c71ef0e783c24d1ddf17

SHA512
cd1a0eed031c8eae2fe7259c6db9944a0f17fa8d957823f5875888dfdaafb24edd8d3d24cd6a51d761c3f543d5605f35a0cb0b559a202e31a5eb7894bd1eee15

Download Submit
memory/2224-0-0x0000000000C00000-0x0000000000C9A000-memory.dmp

Filesize
616KB

Download
memory/2224-1-0x000007FEF55B0000-0x000007FEF5F9C000-memory.dmp

Filesize
9.9MB

Download
memory/2224-2-0x0000000000AA0000-0x0000000000B20000-memory.dmp

Filesize
512KB

Download
memory/2224-50-0x000007FEF55B0000-0x000007FEF5F9C000-memory.dmp

Filesize
9.9MB

Download