44caliber | 9aa6cc584cb71f79cd0bed533930514f04b3f1f84163cd0fa5808e6d88d26362

Analysis

max time kernel
122s
max time network
131s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
09-01-2024 18:47

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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
2968	4e896524210ad3a26c70e5b835a7f791.exe
2968	4e896524210ad3a26c70e5b835a7f791.exe
2968	4e896524210ad3a26c70e5b835a7f791.exe
2968	4e896524210ad3a26c70e5b835a7f791.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

4e896524210ad3a26c70e5b835a7f791.exe

description pid process

Token: SeDebugPrivilege 2968 4e896524210ad3a26c70e5b835a7f791.exe

description	pid	process
Token: SeDebugPrivilege	2968	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:2968

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
178B

MD5
5fa188b016b8769d6ec3c01cfe72a235

SHA1
9102538c6baa53bd4a4fdc958415377151532b91

SHA256
338ab2eba46b528da6e585df53773ddc992ed0cf486e397034adab056bba1a19

SHA512
a26496a1e015ce75aea9c19056f965c9001bf4bda8402811a2450c65ac099e81c3f6ca4cb759080e95a7508c4486b8bc63b9844e76493c60e46bdf391222b8ec

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

Filesize
397B

MD5
2976d04d0062df8c392e03eb132ba274

SHA1
b558b027ab3be3b1ce62c1bbff15ca0ed39599f8

SHA256
8e45b9ad45fa3388ba165dd46e6bc099c03b7e5472c5bc5a4844f17d7c8014d3

SHA512
62f8cc597402d48fa8cbb0f281844efc247c3b23c08a959dc1bbf6f35d1f1da890885e074c739225bb6b725927567e6ab7fd41010b8024d5b9bbcbc977e2a36d

Download Submit
memory/2968-0-0x00000000010E0000-0x000000000117A000-memory.dmp

Filesize
616KB

Download
memory/2968-1-0x000007FEF54E0000-0x000007FEF5ECC000-memory.dmp

Filesize
9.9MB

Download
memory/2968-2-0x0000000000430000-0x00000000004B0000-memory.dmp

Filesize
512KB

Download
memory/2968-49-0x000007FEF54E0000-0x000007FEF5ECC000-memory.dmp

Filesize
9.9MB

Download