44caliber | 42f1065841dc77643d3a3c33fb40de4c2931e3a4d15d9802fff0a194c821ea2b

Analysis

max time kernel
147s
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
09-01-2024 18:31

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General

Target

ebc6d55a45996861c5a84937d2a990da.exe
Size

275KB
MD5

ebc6d55a45996861c5a84937d2a990da
SHA1

db9e42e191c95168d03274cc4d0ab18e35d3f314
SHA256

42f1065841dc77643d3a3c33fb40de4c2931e3a4d15d9802fff0a194c821ea2b
SHA512

927560123afb2d46c4a57065402182bf5522bc3be9d4d9593ec79d72eb4fdd12edc85dbe77d24e2801550bf1c09ac950521b52a62c384de2aad2304edf8db477
SSDEEP

6144:Wf+BLtABPD9FBWKXsSlrVPl/9rHxlqQy8ERA190AxR:sFsSlrVPlJxlNyW19vR

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/869968115126128690/9HuocC8P0OFpxwEHR7UGW0ZtseqV8b95oQ9ExN0rHkwTjipAQLrkOqPzDiDXxXky3kUL

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
2	freegeoip.app
11	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	ebc6d55a45996861c5a84937d2a990da.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	ebc6d55a45996861c5a84937d2a990da.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
368	ebc6d55a45996861c5a84937d2a990da.exe
368	ebc6d55a45996861c5a84937d2a990da.exe
368	ebc6d55a45996861c5a84937d2a990da.exe
368	ebc6d55a45996861c5a84937d2a990da.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	368	ebc6d55a45996861c5a84937d2a990da.exe

C:\Users\Admin\AppData\Local\Temp\ebc6d55a45996861c5a84937d2a990da.exe
"C:\Users\Admin\AppData\Local\Temp\ebc6d55a45996861c5a84937d2a990da.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:368

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

Filesize
549B

MD5
a02292944a1fb1fc3aec8a11b1fc5821

SHA1
192b830ee7100fce70111633d35f0e5650a831e8

SHA256
f98f3460e6ecf4b1956609de09364d932f2639767da4b2c648ea41b9bc0e0b0f

SHA512
179f3767fca5f5289ec21f51a3bc63e80622d16063dd65f6246a90fce138ab719b56d910aa86923f888730c1691ba2f5bde2b0751c2b8cb928f8ddd8de4e5cae

Download Submit
memory/368-0-0x0000000000040000-0x000000000008C000-memory.dmp

Filesize
304KB

Download
memory/368-31-0x000000001ACE0000-0x000000001ACF0000-memory.dmp

Filesize
64KB

Download
memory/368-30-0x00007FFFAAD70000-0x00007FFFAB831000-memory.dmp

Filesize
10.8MB

Download
memory/368-125-0x00007FFFAAD70000-0x00007FFFAB831000-memory.dmp

Filesize
10.8MB

Download