44caliber | 969e340f9996ca29b56456846b8702bbd83e41384f32411d26f132ffa88a4c22

Analysis

max time kernel
84s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-en-20220112
submitted
01-03-2022 18:12

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General

Target

969e340f9996ca29b56456846b8702bbd83e41384f32411d26f132ffa88a4c22.exe
Size

539KB
MD5

e4f7f75510cda5bef47f9592fd71dade
SHA1

cce6618248fb1fd391704a851551fc4e6262acfd
SHA256

969e340f9996ca29b56456846b8702bbd83e41384f32411d26f132ffa88a4c22
SHA512

664b46bdf5fb5fb8df5a0e997e887ed48736027d3ccfa88d5c094875a2e7dcc8f0bede3e155b447dd131778bceaf498cddc672450730946c381f28715af4ecfc

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/932201764764147802/mwMlKS9HLPkYmtPCqZav0VpATPW5VqmEzplBqEZVE9Fp1-EHpr6uNlIUcjh7TSGGncnk

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

23 freegeoip.app
24 freegeoip.app

flow	ioc
23	freegeoip.app
24	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:

969e340f9996ca29b56456846b8702bbd83e41384f32411d26f132ffa88a4c22.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	969e340f9996ca29b56456846b8702bbd83e41384f32411d26f132ffa88a4c22.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	969e340f9996ca29b56456846b8702bbd83e41384f32411d26f132ffa88a4c22.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

969e340f9996ca29b56456846b8702bbd83e41384f32411d26f132ffa88a4c22.exe

pid	process
4020	969e340f9996ca29b56456846b8702bbd83e41384f32411d26f132ffa88a4c22.exe
4020	969e340f9996ca29b56456846b8702bbd83e41384f32411d26f132ffa88a4c22.exe
4020	969e340f9996ca29b56456846b8702bbd83e41384f32411d26f132ffa88a4c22.exe
4020	969e340f9996ca29b56456846b8702bbd83e41384f32411d26f132ffa88a4c22.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

969e340f9996ca29b56456846b8702bbd83e41384f32411d26f132ffa88a4c22.exe

description pid process

Token: SeDebugPrivilege 4020 969e340f9996ca29b56456846b8702bbd83e41384f32411d26f132ffa88a4c22.exe

description	pid	process
Token: SeDebugPrivilege	4020	969e340f9996ca29b56456846b8702bbd83e41384f32411d26f132ffa88a4c22.exe

C:\Users\Admin\AppData\Local\Temp\969e340f9996ca29b56456846b8702bbd83e41384f32411d26f132ffa88a4c22.exe
"C:\Users\Admin\AppData\Local\Temp\969e340f9996ca29b56456846b8702bbd83e41384f32411d26f132ffa88a4c22.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4020

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

Replay Monitor

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Downloads

memory/4020-130-0x00000000003F0000-0x000000000047C000-memory.dmp

Filesize
560KB

Download
memory/4020-131-0x00007FFC4F683000-0x00007FFC4F685000-memory.dmp

Filesize
8KB

Download
memory/4020-132-0x000000001C6C0000-0x000000001C6C2000-memory.dmp

Filesize
8KB

Download