44caliber | c13b27db146974839ceeb088132e55627944f9a230392e4f8661749586a3626a

Analysis

max time kernel
120s
max time network
131s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
10-03-2024 12:43

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General

Target

Celestial.exe
Size

273KB
MD5

7ca6a26751bd7ad90ffc2843f040117c
SHA1

5c2be81194456480f952d674c0513959eab0ceda
SHA256

c13b27db146974839ceeb088132e55627944f9a230392e4f8661749586a3626a
SHA512

0f16bbf19913c4c09a13ea48325a3751311941b2d6b11a70a97737628c53bd58b8009fa9439e3b0ce66ef0e46dc420a6535b2d8803cbf6669d024c3c4ea3b896
SSDEEP

6144:Of+BLtABPD7sBi/0QNE44FCpHoafTy/lI1D0NiJ:essK44FCpO61DzJ

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
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.

Processes:

flow ioc

2 freegeoip.app
3 freegeoip.app

flow	ioc
2	freegeoip.app
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

Processes:

Celestial.exe

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

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Celestial.exe

pid process

2820 Celestial.exe
2820 Celestial.exe
2820 Celestial.exe
2820 Celestial.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Celestial.exe

description pid process

Token: SeDebugPrivilege 2820 Celestial.exe

pid	process
2820	Celestial.exe
2820	Celestial.exe
2820	Celestial.exe
2820	Celestial.exe

description	pid	process
Token: SeDebugPrivilege	2820	Celestial.exe

C:\Users\Admin\AppData\Local\Temp\Celestial.exe
"C:\Users\Admin\AppData\Local\Temp\Celestial.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2820

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

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Downloads

C:\ProgramData\44\Process.txt

Filesize
374B

MD5
20f660caa54e13bc7366aabedee916c3

SHA1
50b538e53967c6576d12f0fc385fc6b73a25f108

SHA256
00785c91995fc185bc9efc6287e98b2b4390d049f82deb2a85852feaed9fbf89

SHA512
132f13f1756d8feb9ecee88306a5687ab50ddbb6b160df61491427c106057464af98ae97e0dcb8552aa16ccc0d312915471338f6afd110c26c1a2ad6e5448830

Download Submit
memory/2820-0-0x00000000012E0000-0x000000000132A000-memory.dmp

Filesize
296KB

Download
memory/2820-1-0x000007FEF4BD0000-0x000007FEF55BC000-memory.dmp

Filesize
9.9MB

Download
memory/2820-2-0x000000001B400000-0x000000001B480000-memory.dmp

Filesize
512KB

Download
memory/2820-49-0x000007FEF4BD0000-0x000007FEF55BC000-memory.dmp

Filesize
9.9MB

Download