44caliber | 4a04f95c61968a10bdd78cde0cbfb64961cfb8750daf55add7e90540fb1a5d36

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-12-2024 15:20

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General

Target

4a04f95c61968a10bdd78cde0cbfb64961cfb8750daf55add7e90540fb1a5d36.exe
Size

274KB
MD5

7e660d076ab21dccbd485801e651d6bf
SHA1

b451313e8e78c4a1389dbc6b709377fd5082ef83
SHA256

4a04f95c61968a10bdd78cde0cbfb64961cfb8750daf55add7e90540fb1a5d36
SHA512

bd9a475ad92e82ae71bbbee088a9af454ecb7348b93b4632a812f6180e165412a10000caf71d2f5844dce84fdcf3f015be7437c21ca7cec04a57370c7f7f6440
SSDEEP

6144:4f+BLtABPDsth6Ej/UZkI4TjkRy5BafTyUlI1D0KMB:LtK+I4TjkRypZ1DKB

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/1146486791835230260/bE9QI2eAT_dyqn0dm7VljbMDjUklfKOXxq3ua0HOtKeG6TIgizThvorpCYQf2NEkabwH

Signatures

44Caliber
An open source infostealer written in C#.
stealer 44caliber
44Caliber family
44caliber
Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003
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
4	freegeoip.app
5	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	4a04f95c61968a10bdd78cde0cbfb64961cfb8750daf55add7e90540fb1a5d36.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	4a04f95c61968a10bdd78cde0cbfb64961cfb8750daf55add7e90540fb1a5d36.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2100	4a04f95c61968a10bdd78cde0cbfb64961cfb8750daf55add7e90540fb1a5d36.exe
2100	4a04f95c61968a10bdd78cde0cbfb64961cfb8750daf55add7e90540fb1a5d36.exe
2100	4a04f95c61968a10bdd78cde0cbfb64961cfb8750daf55add7e90540fb1a5d36.exe
2100	4a04f95c61968a10bdd78cde0cbfb64961cfb8750daf55add7e90540fb1a5d36.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2100	4a04f95c61968a10bdd78cde0cbfb64961cfb8750daf55add7e90540fb1a5d36.exe

C:\Users\Admin\AppData\Local\Temp\4a04f95c61968a10bdd78cde0cbfb64961cfb8750daf55add7e90540fb1a5d36.exe
"C:\Users\Admin\AppData\Local\Temp\4a04f95c61968a10bdd78cde0cbfb64961cfb8750daf55add7e90540fb1a5d36.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2100

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

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

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Downloads

C:\Users\Admin\AppData\Roaming\44\Process.txt

Filesize
475B

MD5
1b769cb916b5e1d54cc07284e52e2120

SHA1
1225f24063001bbd380a26c7386d5fdc46a090fc

SHA256
e125e7fc5692db5122533a1c9328ceffd99fc0ac590a5fe124b893019edba03d

SHA512
0527720ca416824dd0d3a3276fc285697f12795f40eccce28ffc69af90dfcf522e44a95598276f40e90e61de8b5c32212c635abb1b351f041d9d726ad35174b7

Download Submit
memory/2100-0-0x000007FEF5253000-0x000007FEF5254000-memory.dmp

Filesize
4KB

Download
memory/2100-1-0x00000000003F0000-0x000000000043A000-memory.dmp

Filesize
296KB

Download
memory/2100-20-0x000007FEF5250000-0x000007FEF5C3C000-memory.dmp

Filesize
9.9MB

Download
memory/2100-52-0x000007FEF5250000-0x000007FEF5C3C000-memory.dmp

Filesize
9.9MB

Download