44caliber | d4515c61a5b8ec675d401277f69a863e6ef01875e749e027ef6bde29674fc291

Analysis

max time kernel
144s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
01-03-2022 18:13

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General

Target

d4515c61a5b8ec675d401277f69a863e6ef01875e749e027ef6bde29674fc291.exe
Size

273KB
MD5

f16b30ce57b3d0678d55d91953597faa
SHA1

7348bfa2fd87b1e5f556c54fa650eb376c60006d
SHA256

d4515c61a5b8ec675d401277f69a863e6ef01875e749e027ef6bde29674fc291
SHA512

fe22efa8d7ac0688be13b3fa2e168c9adfc5afa5d39132213a45f1ea1b9d2cd550f15655885cd819c6b8f94381f69620281b38ec907c5d0070d4442baf99f448

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/939927794656370699/MQUodH1jMxGoELXDI7vt3uVKvZAZN_FBkYRFlTiMVxHGCFnEzvPC7JNVH8-ESePeneQo

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
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
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

6 freegeoip.app
7 freegeoip.app

flow	ioc
6	freegeoip.app
7	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:

d4515c61a5b8ec675d401277f69a863e6ef01875e749e027ef6bde29674fc291.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	d4515c61a5b8ec675d401277f69a863e6ef01875e749e027ef6bde29674fc291.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	d4515c61a5b8ec675d401277f69a863e6ef01875e749e027ef6bde29674fc291.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

d4515c61a5b8ec675d401277f69a863e6ef01875e749e027ef6bde29674fc291.exe

pid	process
2000	d4515c61a5b8ec675d401277f69a863e6ef01875e749e027ef6bde29674fc291.exe
2000	d4515c61a5b8ec675d401277f69a863e6ef01875e749e027ef6bde29674fc291.exe
2000	d4515c61a5b8ec675d401277f69a863e6ef01875e749e027ef6bde29674fc291.exe
2000	d4515c61a5b8ec675d401277f69a863e6ef01875e749e027ef6bde29674fc291.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

d4515c61a5b8ec675d401277f69a863e6ef01875e749e027ef6bde29674fc291.exe

description pid process

Token: SeDebugPrivilege 2000 d4515c61a5b8ec675d401277f69a863e6ef01875e749e027ef6bde29674fc291.exe

description	pid	process
Token: SeDebugPrivilege	2000	d4515c61a5b8ec675d401277f69a863e6ef01875e749e027ef6bde29674fc291.exe

C:\Users\Admin\AppData\Local\Temp\d4515c61a5b8ec675d401277f69a863e6ef01875e749e027ef6bde29674fc291.exe
"C:\Users\Admin\AppData\Local\Temp\d4515c61a5b8ec675d401277f69a863e6ef01875e749e027ef6bde29674fc291.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2000

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

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Downloads

memory/2000-130-0x0000000000B60000-0x0000000000BAA000-memory.dmp

Filesize
296KB

Download
memory/2000-131-0x00007FFE67683000-0x00007FFE67685000-memory.dmp

Filesize
8KB

Download
memory/2000-132-0x00000000011E0000-0x00000000011E2000-memory.dmp

Filesize
8KB

Download