44caliber | 62842fba1bad0f14497d674dcc2ce5b74c6dc781b56d9be7b22abc0e6e84e299

General

Target

62842fba1bad0f14497d674dcc2ce5b74c6dc781b56d9be7b22abc0e6e84e299.exe
Size

274KB
MD5

88c05e490c59382d1d19886fe0fff325
SHA1

e9cf39409ef4569c21cc10b2fd4f040e19b6a4ee
SHA256

62842fba1bad0f14497d674dcc2ce5b74c6dc781b56d9be7b22abc0e6e84e299
SHA512

7b4511fe6c98627dc57ac2fdb32083a38f290542bcbe08bd8ca566def4bf61e4e02db1e46d525ce946f0caf55fb9e0f1e43d09129e4992bb9bc1b3b39cf6e052
SSDEEP

6144:af+BLtABPDWlR1ZroWT0Ilb5wqlYeJOlA1D0LfN:rluK0Ilb5/lYeR1D+N

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/995248566551453789/dAKoCwfwxZLio1kYw1hDPwWmGXZm_oc0bPueRJeTs24o8dr_hgZncoNldxhaZ5_em0Ve

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

3 freegeoip.app
4 freegeoip.app

flow	ioc
3	freegeoip.app
4	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:

62842fba1bad0f14497d674dcc2ce5b74c6dc781b56d9be7b22abc0e6e84e299.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	62842fba1bad0f14497d674dcc2ce5b74c6dc781b56d9be7b22abc0e6e84e299.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	62842fba1bad0f14497d674dcc2ce5b74c6dc781b56d9be7b22abc0e6e84e299.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

62842fba1bad0f14497d674dcc2ce5b74c6dc781b56d9be7b22abc0e6e84e299.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	62842fba1bad0f14497d674dcc2ce5b74c6dc781b56d9be7b22abc0e6e84e299.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	62842fba1bad0f14497d674dcc2ce5b74c6dc781b56d9be7b22abc0e6e84e299.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

62842fba1bad0f14497d674dcc2ce5b74c6dc781b56d9be7b22abc0e6e84e299.exe

pid	process
1576	62842fba1bad0f14497d674dcc2ce5b74c6dc781b56d9be7b22abc0e6e84e299.exe
1576	62842fba1bad0f14497d674dcc2ce5b74c6dc781b56d9be7b22abc0e6e84e299.exe
1576	62842fba1bad0f14497d674dcc2ce5b74c6dc781b56d9be7b22abc0e6e84e299.exe
1576	62842fba1bad0f14497d674dcc2ce5b74c6dc781b56d9be7b22abc0e6e84e299.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

62842fba1bad0f14497d674dcc2ce5b74c6dc781b56d9be7b22abc0e6e84e299.exe

description pid process

Token: SeDebugPrivilege 1576 62842fba1bad0f14497d674dcc2ce5b74c6dc781b56d9be7b22abc0e6e84e299.exe

description	pid	process
Token: SeDebugPrivilege	1576	62842fba1bad0f14497d674dcc2ce5b74c6dc781b56d9be7b22abc0e6e84e299.exe

C:\Users\Admin\AppData\Local\Temp\62842fba1bad0f14497d674dcc2ce5b74c6dc781b56d9be7b22abc0e6e84e299.exe
"C:\Users\Admin\AppData\Local\Temp\62842fba1bad0f14497d674dcc2ce5b74c6dc781b56d9be7b22abc0e6e84e299.exe"
1⤵
- Checks processor information in registry
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1576