44caliber | 206b5291a89b6a58d48c26bfbc954e793eba213823a2b00d69abd589cc189f02

Analysis

max time kernel
143s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
05-02-2024 09:08

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General

Target

9197890c445e386627b5aecbdb522110.exe
Size

601KB
MD5

9197890c445e386627b5aecbdb522110
SHA1

5b3fcd7d1a7e2b1afef04e8d3983a14632c3260e
SHA256

206b5291a89b6a58d48c26bfbc954e793eba213823a2b00d69abd589cc189f02
SHA512

c78620ee44a67043f218af3bb2df6edecc8304a7d52a9ca933407d71bb6c858c7eb9eb9219488d1dde8414316dcf9a554e37a391765fb9b27b49726594bae132
SSDEEP

12288:x30MeC3c0J1e3IWxxukZFksJlT752pdfUjYSqI2yQfxLrHJT8EnEcouEfRG:x30MeCM+q8QFkiK7I2ZpLrH

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.

Processes:

flow ioc

4 freegeoip.app
3 freegeoip.app

flow	ioc
4	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:

9197890c445e386627b5aecbdb522110.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	9197890c445e386627b5aecbdb522110.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	9197890c445e386627b5aecbdb522110.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

9197890c445e386627b5aecbdb522110.exe

pid	process
3872	9197890c445e386627b5aecbdb522110.exe
3872	9197890c445e386627b5aecbdb522110.exe
3872	9197890c445e386627b5aecbdb522110.exe
3872	9197890c445e386627b5aecbdb522110.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

9197890c445e386627b5aecbdb522110.exe

description pid process

Token: SeDebugPrivilege 3872 9197890c445e386627b5aecbdb522110.exe

description	pid	process
Token: SeDebugPrivilege	3872	9197890c445e386627b5aecbdb522110.exe

C:\Users\Admin\AppData\Local\Temp\9197890c445e386627b5aecbdb522110.exe
"C:\Users\Admin\AppData\Local\Temp\9197890c445e386627b5aecbdb522110.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3872

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\44\Process.txt
Filesize
1KB

MD5
b77360019317cdc82fed6978f39ac05d

SHA1
661804e6aa60f693850c4de7dc185f3af6eafd1e

SHA256
254f1aa80eb614d253257999fb33b634fa908d260aabfb2ae8d53fd86c10e472

SHA512
a67d2a9d750975b440ffa90b761320f89ec9b31ef3223e7866cc24d4b4fb0534148520d7b849b47bf7687e8e4697bd428820df1cdda9626e5f799c8ef9a43497

Download Submit
C:\Users\Admin\AppData\Roaming\44\Process.txt
Filesize
739B

MD5
a2eb6b483d9639f8d48127eafaa8873a

SHA1
ff99dc9b76eea7304eb80261e249a593cec4d536

SHA256
4c6bd2a36464f38056b3435c97ddf8c22d478241da009fcd34b04472ed55cd1d

SHA512
312825b05a8ec6134c6de08adab1fdbc6aae7b0059b63b494cd81c96aae0b52e77f8ef11674651f7169976de902335dfbabc502f398f26bc6f2a01a3bdb35473

Download Submit
C:\Users\Admin\AppData\Roaming\44\Process.txt
Filesize
1KB

MD5
66b342c2747bddd0657203cb0919d718

SHA1
08f597241986d47880eb3f808408aabda66aec04

SHA256
ac474507ba345c4fa44957bddf0ddc188897c854b225a983aac39a4df622bbf4

SHA512
912ddc4154c2a4ab9a319631cca38bb07a3da6b3b91c292e66650002298e926ee0b3309758a97222960f30845e21e662e0473343bc329eb77c0fc5c8252e5fa2

Download Submit
memory/3872-0-0x0000000000360000-0x0000000000400000-memory.dmp

Filesize
640KB

Download
memory/3872-1-0x0000000000B90000-0x0000000000B96000-memory.dmp

Filesize
24KB

Download
memory/3872-2-0x00007FF8064A0000-0x00007FF806F61000-memory.dmp

Filesize
10.8MB

Download
memory/3872-3-0x000000001B260000-0x000000001B270000-memory.dmp

Filesize
64KB

Download
memory/3872-4-0x000000001B370000-0x000000001B44C000-memory.dmp

Filesize
880KB

Download
memory/3872-5-0x0000000000BA0000-0x0000000000BA6000-memory.dmp

Filesize
24KB

Download
memory/3872-123-0x00007FF8064A0000-0x00007FF806F61000-memory.dmp

Filesize
10.8MB

Download