44caliber | 89776cccb48ad220d19e203d764955930907f60142f6c71b6cd32c6decb6867d

Analysis

max time kernel
146s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
03-10-2023 11:55

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General

Target

f17c1d86bdbdb7e6bae2034ec80231638bd3312dd75a1f5b6fe55731a3a56433.exe
Size

274KB
MD5

7c02408a83fa049887df06c7c0c3f301
SHA1

2ced507a793f00e49648f0dccb08a304995434d3
SHA256

f17c1d86bdbdb7e6bae2034ec80231638bd3312dd75a1f5b6fe55731a3a56433
SHA512

04d3747ca6d1891760b3b444ebb3152bd42d1a4e21a4c9ff940b188e8c614a55dd44e09c89af49eadd56775f1ea29f4e7ac6a4cbd50728cc61032b4067c79896
SSDEEP

6144:6f+BLtABPDslRpZrQWT0IQZQZ9afTyUlI1D03oK:5lmK0IQZQdZ1DLK

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/1158386448026849410/FtcZKAlq7edVMUGk395SXV3Q9JN9qbNFGOqPx7vDhxDM_to09iUh6gk0PVk4dwi2gGuA

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
7	freegeoip.app
8	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	f17c1d86bdbdb7e6bae2034ec80231638bd3312dd75a1f5b6fe55731a3a56433.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	f17c1d86bdbdb7e6bae2034ec80231638bd3312dd75a1f5b6fe55731a3a56433.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1612	f17c1d86bdbdb7e6bae2034ec80231638bd3312dd75a1f5b6fe55731a3a56433.exe
1612	f17c1d86bdbdb7e6bae2034ec80231638bd3312dd75a1f5b6fe55731a3a56433.exe
1612	f17c1d86bdbdb7e6bae2034ec80231638bd3312dd75a1f5b6fe55731a3a56433.exe
1612	f17c1d86bdbdb7e6bae2034ec80231638bd3312dd75a1f5b6fe55731a3a56433.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1612	f17c1d86bdbdb7e6bae2034ec80231638bd3312dd75a1f5b6fe55731a3a56433.exe
Token: SeManageVolumePrivilege	3136	svchost.exe

C:\Users\Admin\AppData\Local\Temp\f17c1d86bdbdb7e6bae2034ec80231638bd3312dd75a1f5b6fe55731a3a56433.exe
"C:\Users\Admin\AppData\Local\Temp\f17c1d86bdbdb7e6bae2034ec80231638bd3312dd75a1f5b6fe55731a3a56433.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1612

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
1⤵
PID:5080

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k UnistackSvcGroup
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3136

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:\ProgramData\44\Process.txt

Filesize
1KB

MD5
f58d86f51c53701b4b94d0c7218894f5

SHA1
5e569207003a5da001dff91244a137e5affa1909

SHA256
86eb7e3c0816a4d14ab1026b3fdae906700e3cf35a1e1cd014a8dcdbe3e755af

SHA512
261f4406bd522f2809b1d3a8840d78161346fd3aac4e6f839bb4ea3b505c5dadad8c0fcbd051b95a8e0037e42eaa0179b329bc4f2f440470a2423c70ec4ffa1f

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

Filesize
1KB

MD5
f58d86f51c53701b4b94d0c7218894f5

SHA1
5e569207003a5da001dff91244a137e5affa1909

SHA256
86eb7e3c0816a4d14ab1026b3fdae906700e3cf35a1e1cd014a8dcdbe3e755af

SHA512
261f4406bd522f2809b1d3a8840d78161346fd3aac4e6f839bb4ea3b505c5dadad8c0fcbd051b95a8e0037e42eaa0179b329bc4f2f440470a2423c70ec4ffa1f

Download Submit
memory/1612-0-0x00000193820E0000-0x000001938212A000-memory.dmp

Filesize
296KB

Download
memory/1612-13-0x00007FFDCAB20000-0x00007FFDCB5E1000-memory.dmp

Filesize
10.8MB

Download
memory/1612-28-0x0000019383E10000-0x0000019383E20000-memory.dmp

Filesize
64KB

Download
memory/1612-120-0x00007FFDCAB20000-0x00007FFDCB5E1000-memory.dmp

Filesize
10.8MB

Download
memory/3136-121-0x000001FE94A40000-0x000001FE94A50000-memory.dmp

Filesize
64KB

Download
memory/3136-137-0x000001FE94B40000-0x000001FE94B50000-memory.dmp

Filesize
64KB

Download
memory/3136-153-0x000001FE9CE50000-0x000001FE9CE51000-memory.dmp

Filesize
4KB

Download
memory/3136-155-0x000001FE9CE80000-0x000001FE9CE81000-memory.dmp

Filesize
4KB

Download
memory/3136-156-0x000001FE9CE80000-0x000001FE9CE81000-memory.dmp

Filesize
4KB

Download
memory/3136-157-0x000001FE9CF90000-0x000001FE9CF91000-memory.dmp

Filesize
4KB

Download