44caliber | c2ade6498bf4fe3991c76104a2d5a8ad880ab4baaf0756f707eb3b22d9734a8f

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
24-09-2023 13:47

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General

Target

c2ade6498bf4fe3991c76104a2d5a8ad880ab4baaf0756f707eb3b22d9734a8f_JC.exe
Size

274KB
MD5

e94364b4239eb39286dd3b07a9ea469c
SHA1

95a3fc71b5a4f63e1ce10c163af55b56f168a6f8
SHA256

c2ade6498bf4fe3991c76104a2d5a8ad880ab4baaf0756f707eb3b22d9734a8f
SHA512

bb924f1c1f8b851c70d5639abed43ed047452bac62580d060229e7a054d5f1be269e2888a3dfe511b434ac5a785dcf37216c95cffd8baaa9432cd930670acc13
SSDEEP

6144:8f+BLtABPDWlR1ZroWT0Ilb5wqlYeJ6lA1D0wIk:RluK0Ilb5/lYed1DMk

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/1101119692103491584/GTMNvMSwfNfgMdtSqTcvjCvj1QDXJYPNxW9vEtgHszOELGeSAQDBrIp9Qf7oWif26BJd

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

11 freegeoip.app
5 freegeoip.app

flow	ioc
11	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

Processes:

c2ade6498bf4fe3991c76104a2d5a8ad880ab4baaf0756f707eb3b22d9734a8f_JC.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	c2ade6498bf4fe3991c76104a2d5a8ad880ab4baaf0756f707eb3b22d9734a8f_JC.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	c2ade6498bf4fe3991c76104a2d5a8ad880ab4baaf0756f707eb3b22d9734a8f_JC.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

c2ade6498bf4fe3991c76104a2d5a8ad880ab4baaf0756f707eb3b22d9734a8f_JC.exe

pid	process
4928	c2ade6498bf4fe3991c76104a2d5a8ad880ab4baaf0756f707eb3b22d9734a8f_JC.exe
4928	c2ade6498bf4fe3991c76104a2d5a8ad880ab4baaf0756f707eb3b22d9734a8f_JC.exe
4928	c2ade6498bf4fe3991c76104a2d5a8ad880ab4baaf0756f707eb3b22d9734a8f_JC.exe
4928	c2ade6498bf4fe3991c76104a2d5a8ad880ab4baaf0756f707eb3b22d9734a8f_JC.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

c2ade6498bf4fe3991c76104a2d5a8ad880ab4baaf0756f707eb3b22d9734a8f_JC.exe

description pid process

Token: SeDebugPrivilege 4928 c2ade6498bf4fe3991c76104a2d5a8ad880ab4baaf0756f707eb3b22d9734a8f_JC.exe

description	pid	process
Token: SeDebugPrivilege	4928	c2ade6498bf4fe3991c76104a2d5a8ad880ab4baaf0756f707eb3b22d9734a8f_JC.exe

C:\Users\Admin\AppData\Local\Temp\c2ade6498bf4fe3991c76104a2d5a8ad880ab4baaf0756f707eb3b22d9734a8f_JC.exe
"C:\Users\Admin\AppData\Local\Temp\c2ade6498bf4fe3991c76104a2d5a8ad880ab4baaf0756f707eb3b22d9734a8f_JC.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4928

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:\Users\Admin\AppData\Local\44\Process.txt

Filesize
742B

MD5
6889459c4efe1408d05bf2a396a0f7bc

SHA1
f7a4d84ce105253bcaf621e0d975c67b9b424757

SHA256
8d6343de4858cca3178355ead9421c59c3a807d123499c17fd962e0a1208aef6

SHA512
c1450431bc8184c2416a8979300cb3119373ccf3b85ee220f873f3f1efe46a24a317b8b287e28c0ff8623f2ae2035dc2cc360a73d7858dec4cc44fdca32f7431

Download Submit
C:\Users\Admin\AppData\Local\44\Process.txt

Filesize
1KB

MD5
352cb3a93b49caaade1155f0768d45d3

SHA1
304ae2fe625fda1a767db786e43fc1d833c2fc71

SHA256
8b916654198caeffe0bb0666d2f3db8374ac0c42c93f9514b9cf324ca6c5bce1

SHA512
d2b30bdd03b8ff790a4d69e3d40efa742f41be196c2af846b012cbf1ee3973c2878b891bd82bcd389a4816bb38081407213cf571d14d2c9e130068598364b632

Download Submit
memory/4928-0-0x000001C027C30000-0x000001C027C7A000-memory.dmp

Filesize
296KB

Download
memory/4928-19-0x00007FFBD8160000-0x00007FFBD8C21000-memory.dmp

Filesize
10.8MB

Download
memory/4928-31-0x000001C029990000-0x000001C0299A0000-memory.dmp

Filesize
64KB

Download
memory/4928-120-0x00007FFBD8160000-0x00007FFBD8C21000-memory.dmp

Filesize
10.8MB

Download