44caliber | 3c5606af64bc6d9e74aae62b177b9a0a5b16a86ff68f8b2925ad8971f9933038

Analysis

max time kernel
118s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
14-03-2024 13:33

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General

Target

c8bc237c1c9a16a0b61fe14f020a4680.exe
Size

252KB
MD5

c8bc237c1c9a16a0b61fe14f020a4680
SHA1

180816de04c2dcc1bed74070afac06b740d91318
SHA256

3c5606af64bc6d9e74aae62b177b9a0a5b16a86ff68f8b2925ad8971f9933038
SHA512

0781b3ace5353840769085d1dd443323e37bd09d7f52db62cedfd102f424a6d7b4da7fac7e23b004a3bb8487e9a1a2c83ac4f3bf424273d47fe54710d04f98c9
SSDEEP

3072:F07eU2iSjjuUPFLpsXMZgPBU13oNod6bcN9ToZ8E2PBfH4Ekz1eaMjAmectm13hv:SeUyjPjmPBUqN26bWW8EUJY1z1eRbp2

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/868196565515390987/7Jj72FAQ3nmAQ7X65Vp30BjA9kjuE3DDz3XgiNTRUNUr9fbEC6Rznra0GuxDjkoxkX4A

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
3	freegeoip.app
2	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	c8bc237c1c9a16a0b61fe14f020a4680.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	c8bc237c1c9a16a0b61fe14f020a4680.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2128	c8bc237c1c9a16a0b61fe14f020a4680.exe
2128	c8bc237c1c9a16a0b61fe14f020a4680.exe
2128	c8bc237c1c9a16a0b61fe14f020a4680.exe
2128	c8bc237c1c9a16a0b61fe14f020a4680.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2128	c8bc237c1c9a16a0b61fe14f020a4680.exe

C:\Users\Admin\AppData\Local\Temp\c8bc237c1c9a16a0b61fe14f020a4680.exe
"C:\Users\Admin\AppData\Local\Temp\c8bc237c1c9a16a0b61fe14f020a4680.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2128

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\Roaming\44\Process.txt

Filesize
412B

MD5
f3db82dfc63e317f24b80b20a4369de1

SHA1
e4b300ab4cdc9d824122a71b81e762f70fb14420

SHA256
fc7031e6f0bc686ed9a0c21d74969d035bc9f8c1de36bf3ed32e19087cd406cd

SHA512
4f88d9a984e281c6432177ca62acd855da9f35a009155759d004ed3ae710af4561222df2b32e1496daa4a26c018cba6fe5a53badb660251da9a7d9680e8436ca

Download Submit
memory/2128-0-0x0000000001020000-0x0000000001066000-memory.dmp

Filesize
280KB

Download
memory/2128-1-0x000007FEF5E20000-0x000007FEF680C000-memory.dmp

Filesize
9.9MB

Download
memory/2128-2-0x000000001B350000-0x000000001B3D0000-memory.dmp

Filesize
512KB

Download
memory/2128-49-0x000007FEF5E20000-0x000007FEF680C000-memory.dmp

Filesize
9.9MB

Download