44caliber | f7e074da1593f80a7c94216e70de0f6c3f68cddfa8a61f6e5680e7ce587f50fe

Analysis

max time kernel
59s
max time network
56s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
22/08/2022, 03:33

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General

Target
WH.exe
Size 273KB
Sample220822-d4bxradba2
SHA256 f7e074da1593f80a7c94216e70de0f6c3f68cddfa8a61f6e5680e7ce587f50fe
MD5 4a15c27773db7b3ac91a2be1de895173
SHA1 625bde1fd654a29fe75bdbd9a49b438e084e927f
SHA512 f08cb5a2f3c802bd3652e86dfe992df67eea393f989d3ac3f0a2bf0b1d08111bc1cec50eff0e980227697bae608929ff0d39ca92cc2d9ebe7d6f3bc5ba47d8d8
MD5 SHA1 SHA512

Score

10^/10

44caliber spyware stealer

Malware Config

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 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
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

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

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
988	WH.exe
988	WH.exe
988	WH.exe
988	WH.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	988	WH.exe

C:\Users\Admin\AppData\Local\Temp\WH.exe
"C:\Users\Admin\AppData\Local\Temp\WH.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:988

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

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Downloads

memory/988-54-0x0000000000CF0000-0x0000000000D3A000-memory.dmp

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