44caliber | 7e00639b962e167ab8463fa871f8fe12f6e38166a497d7ed8cf3a2370053d1f0

Analysis

max time kernel
133s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-11-2024 21:08

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General

Target

123.scr.exe
Size

549KB
MD5

2cd8134f58cdbda71373f5ea79d5a422
SHA1

f30cc8c8056e6943a4114e557615552f16cb8e2f
SHA256

7e00639b962e167ab8463fa871f8fe12f6e38166a497d7ed8cf3a2370053d1f0
SHA512

a6042ab229429830a0e98b17873b68b4799ccde6637e55ff7bbf94eaa6af0d4f89e019fea67a04a04550889be89a3db701372978584569cdd350e86a6a2f65a0
SSDEEP

12288:nYhJzH0hGN8nVY5cdFWOh+0H0uc1k7EIKxih+sgPrv6KfNcyFEOYw76:YfwM+nVMcPVY0U7qHKxugjdeyFm

Score

10^/10

44caliber spyware stealer

Malware Config

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
5	freegeoip.app
6	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	123.scr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	123.scr.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1408	123.scr.exe
1408	123.scr.exe
1408	123.scr.exe
1408	123.scr.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1408	123.scr.exe

C:\Users\Admin\AppData\Local\Temp\123.scr.exe
"C:\Users\Admin\AppData\Local\Temp\123.scr.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1408

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

Replay Monitor

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Downloads

C:\ProgramData\44\Process.txt

Filesize
289B

MD5
fd205a2e70001403e9f486ab8736a6fc

SHA1
ce5c9c14a94d99f313bf01fcc9fa4acd6da13d3b

SHA256
f19e442e9f9e393d247b445cd93cc87b3c5b5e4a2d971a35647a42baec799988

SHA512
43cb8728a11f1bb4ee12f9e7bdf6aab5ef273dad6e04c2777a10a27f51a001fd6babbdd6b1dc773089cdfe85108deef7d0968b08049d2856011bd73426b751b3

Download Submit
C:\ProgramData\44\Process.txt

Filesize
742B

MD5
ac993dd3915ba1441b7d603e9aa6c16c

SHA1
133d83311cbae856fea0fdb98cca61442a52e472

SHA256
9182da3b6c5e1763e8c1496933b51581cecb3c335456401705ce1dc0ea396e16

SHA512
472629fded998697246d0abaa4f487e369a503591927c21423564e44a870c7e672651d9561a09fb3afc498ef7f35a827d1c3de89fe55739da5777c6d9ceb887a

Download Submit
C:\ProgramData\44\Process.txt

Filesize
1KB

MD5
87d2e690517f0dc66855362d3c3ebfaf

SHA1
5b1f1410df9e5bf230bd8e8317ebd585fdf7e329

SHA256
9d9ad3c4d046c8a0a55d217469c94f0aaca42190d853d9d46dbdd5c09f258a5b

SHA512
8fd8ce44a6050e329c528b0d69bf7f265d6e4187ea7ca7c9b292d5b7c096f105d02b30990a8c78b3bd8b7ea4dcf2e1f4ede1177804ebf84d088c493ba4f4a327

Download Submit
memory/1408-0-0x00007FFDEED13000-0x00007FFDEED15000-memory.dmp

Filesize
8KB

Download
memory/1408-1-0x000002818AB40000-0x000002818ABD0000-memory.dmp

Filesize
576KB

Download
memory/1408-2-0x00000281A5130000-0x00000281A520C000-memory.dmp

Filesize
880KB

Download
memory/1408-3-0x000002818AF50000-0x000002818AF56000-memory.dmp

Filesize
24KB

Download
memory/1408-22-0x00007FFDEED10000-0x00007FFDEF7D1000-memory.dmp

Filesize
10.8MB

Download
memory/1408-122-0x00007FFDEED10000-0x00007FFDEF7D1000-memory.dmp

Filesize
10.8MB

Download