44caliber | 5fe7cb7b48bbc726f862382deb5d98620154749c4fae4e8068e5745a20b4456f

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-02-2025 15:34

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General

Target

5fe7cb7b48bbc726f862382deb5d98620154749c4fae4e8068e5745a20b4456fN.exe
Size

274KB
MD5

2ab69a9c4d13e5a5dc02c630ab6a2a50
SHA1

64ea40e8f976dc4ca3d9197b5617017a3d790640
SHA256

5fe7cb7b48bbc726f862382deb5d98620154749c4fae4e8068e5745a20b4456f
SHA512

604b5e88cc95423be2bff9471cd8c2fdcae7a57b66f672cb22d0b3d761b4993a821b23fe26c03d8c19565e66695646993f153a7c6fc340b15d80a4cd23b8ce7a
SSDEEP

6144:Cf+BLtABPD345GxbeCpwaUsZ3FVafTrNlI1D0Z2c:y4sZKaUsZ3sg1Dfc

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/1268575223754522654/p3kG7TYiNnRJt6AGaKl6yqWSNq4m8D-z5DmsFHvopaDzLbxf2LlN6fYTIX4FWMVt7UOg

Signatures

44Caliber
An open source infostealer written in C#.
stealer 44caliber
44Caliber family
44caliber
Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003
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	5fe7cb7b48bbc726f862382deb5d98620154749c4fae4e8068e5745a20b4456fN.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	5fe7cb7b48bbc726f862382deb5d98620154749c4fae4e8068e5745a20b4456fN.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2980	5fe7cb7b48bbc726f862382deb5d98620154749c4fae4e8068e5745a20b4456fN.exe
2980	5fe7cb7b48bbc726f862382deb5d98620154749c4fae4e8068e5745a20b4456fN.exe
2980	5fe7cb7b48bbc726f862382deb5d98620154749c4fae4e8068e5745a20b4456fN.exe
2980	5fe7cb7b48bbc726f862382deb5d98620154749c4fae4e8068e5745a20b4456fN.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2980	5fe7cb7b48bbc726f862382deb5d98620154749c4fae4e8068e5745a20b4456fN.exe

C:\Users\Admin\AppData\Local\Temp\5fe7cb7b48bbc726f862382deb5d98620154749c4fae4e8068e5745a20b4456fN.exe
"C:\Users\Admin\AppData\Local\Temp\5fe7cb7b48bbc726f862382deb5d98620154749c4fae4e8068e5745a20b4456fN.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2980

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

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\Local\44\Process.txt

Filesize
476B

MD5
d7db124bbe9cad7ba15c26f2586bbabc

SHA1
1e3591dd7c5b79e349d71e0b7009b7ced17ef924

SHA256
769f7f782ab4b2ad65e877ee0037063e882e97e32a32d039fd9e1f65284ef0b1

SHA512
0e061abcb9cb3edbbf4efae48036abd26deb1a22003331dc648a4341ae3055872cf3aaf5d021b8cc638f31e6fe0dcf99ac3c762261c6c9758241fcb41ae7d557

Download Submit
memory/2980-0-0x000007FEF5883000-0x000007FEF5884000-memory.dmp

Filesize
4KB

Download
memory/2980-1-0x0000000000A40000-0x0000000000A8A000-memory.dmp

Filesize
296KB

Download
memory/2980-10-0x000007FEF5880000-0x000007FEF626C000-memory.dmp

Filesize
9.9MB

Download
memory/2980-51-0x000007FEF5880000-0x000007FEF626C000-memory.dmp

Filesize
9.9MB

Download