44caliber | 2b9acc15e272c93ebb1de7a8589d71bc0fef713bbcbd7d049960e4064d816c2b

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
29-01-2024 14:25

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General

Target

8010a52546b7b4927e062e9f11d90cd4.exe
Size

1.2MB
MD5

8010a52546b7b4927e062e9f11d90cd4
SHA1

e080c197ea3deba26b51b83d7d8fca65220c20b0
SHA256

2b9acc15e272c93ebb1de7a8589d71bc0fef713bbcbd7d049960e4064d816c2b
SHA512

35bc392fa40804224dedea630bc55aa9b2646b615268e1222fec1a9d46872b49b67beb2a40057c92588a3b28141d23815658ccece78182e411de1e97164550ee
SSDEEP

24576:4IwdkMPH5dnYh6cBq0RQHD2MoulzpiwqdPrUPbBU5iuVAGU/f:JaZVw6cc7D2MJlztqVrUPb2km3U/f

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/866711810735996958/O6j2s0-Vj_HxOXRLkQqnJ3yalpf3Cuf5oOuopPL8nk4awQ3YRl6cndwNbPZLwQ8pLRY5

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

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3028	8010a52546b7b4927e062e9f11d90cd4.exe

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	8010a52546b7b4927e062e9f11d90cd4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	8010a52546b7b4927e062e9f11d90cd4.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3028	8010a52546b7b4927e062e9f11d90cd4.exe
3028	8010a52546b7b4927e062e9f11d90cd4.exe
3028	8010a52546b7b4927e062e9f11d90cd4.exe
3028	8010a52546b7b4927e062e9f11d90cd4.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3028	8010a52546b7b4927e062e9f11d90cd4.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3028	8010a52546b7b4927e062e9f11d90cd4.exe

C:\Users\Admin\AppData\Local\Temp\8010a52546b7b4927e062e9f11d90cd4.exe
"C:\Users\Admin\AppData\Local\Temp\8010a52546b7b4927e062e9f11d90cd4.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3028

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

Filesize
412B

MD5
dd9e37956585b39629aee4c543e885eb

SHA1
c75aa94054f4773907927138013b2b8c31aa3b22

SHA256
4b3dffdc88e4bf8e7ae95a4e1bf8e66d61da9e99fe8b564442ac3d5d662b273d

SHA512
95da508083155568b90edbefdf90bf332465dd2a61ade45cc5cb6e5c165262e35f779cbc8b3191439441481424b1a80bf5c845584a7dce538465a5f31aa34ac7

Download Submit
memory/3028-0-0x0000000000CE0000-0x0000000001090000-memory.dmp

Filesize
3.7MB

Download
memory/3028-1-0x0000000000CE0000-0x0000000001090000-memory.dmp

Filesize
3.7MB

Download
memory/3028-2-0x0000000074AB0000-0x000000007519E000-memory.dmp

Filesize
6.9MB

Download
memory/3028-3-0x00000000026D0000-0x0000000002710000-memory.dmp

Filesize
256KB

Download
memory/3028-55-0x0000000000CE0000-0x0000000001090000-memory.dmp

Filesize
3.7MB

Download
memory/3028-56-0x0000000074AB0000-0x000000007519E000-memory.dmp

Filesize
6.9MB

Download