44caliber | 8f172bf2e40df72ccbf6a764bd376d2032463a8aa30a3810e63478d4aaa43299

Analysis

max time kernel
159s
max time network
182s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
11-10-2023 20:42

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General

Target

c2ade6498bf4fe3991c76104a2d5a8ad880ab4baaf0756f707eb3b22d9734a8f.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

1 freegeoip.app
2 freegeoip.app

flow	ioc
1	freegeoip.app
2	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.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	c2ade6498bf4fe3991c76104a2d5a8ad880ab4baaf0756f707eb3b22d9734a8f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	c2ade6498bf4fe3991c76104a2d5a8ad880ab4baaf0756f707eb3b22d9734a8f.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

c2ade6498bf4fe3991c76104a2d5a8ad880ab4baaf0756f707eb3b22d9734a8f.exe

pid	process
1412	c2ade6498bf4fe3991c76104a2d5a8ad880ab4baaf0756f707eb3b22d9734a8f.exe
1412	c2ade6498bf4fe3991c76104a2d5a8ad880ab4baaf0756f707eb3b22d9734a8f.exe
1412	c2ade6498bf4fe3991c76104a2d5a8ad880ab4baaf0756f707eb3b22d9734a8f.exe
1412	c2ade6498bf4fe3991c76104a2d5a8ad880ab4baaf0756f707eb3b22d9734a8f.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

c2ade6498bf4fe3991c76104a2d5a8ad880ab4baaf0756f707eb3b22d9734a8f.exe

description pid process

Token: SeDebugPrivilege 1412 c2ade6498bf4fe3991c76104a2d5a8ad880ab4baaf0756f707eb3b22d9734a8f.exe

description	pid	process
Token: SeDebugPrivilege	1412	c2ade6498bf4fe3991c76104a2d5a8ad880ab4baaf0756f707eb3b22d9734a8f.exe

C:\Users\Admin\AppData\Local\Temp\c2ade6498bf4fe3991c76104a2d5a8ad880ab4baaf0756f707eb3b22d9734a8f.exe
"C:\Users\Admin\AppData\Local\Temp\c2ade6498bf4fe3991c76104a2d5a8ad880ab4baaf0756f707eb3b22d9734a8f.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1412

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
1KB

MD5
7828ba3b3fa3e39ab5d06a6e823b72ec

SHA1
ac5a32e6a5cbaa89b0083c6346eddbc788c44bc3

SHA256
3e478e5f1afb20264462704bcf8b3a0fb7b4866edfd0ce485990891fde13ac86

SHA512
134afcfe4563db15fd4dbe4e77208759d888f3682a92cb8e9f8de332a111bc69db5dd54e0f51474f55cbc8013eca7b4018360d0e042bb35f881fbfe10987d6d9

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

Filesize
960B

MD5
46ac5454da7dd7af67a8d1f71c1d3f92

SHA1
709b9ecd89f7903ad1a3e09d6c402cdad6ff09ac

SHA256
de8727bf6b57022ea0b99d70d596940e7dc561452133cb3007ca27ae4fc1aa91

SHA512
312b0083efaa92b470bb768dbcca01195cca7e3e11f7465536734354d01885f680c150413d0f1b582c9bcc581c9e12edc321cecbef83fd7cf4b7884ab749a428

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

Filesize
975B

MD5
d72b3a2cebdee0792cf96798e6bfd6f3

SHA1
e1f36c250b1b817f306481321b37b64babded54f

SHA256
3e235278f8333e590473d371bb5af00f993cd89ee87f8062196a44df8b02b776

SHA512
b97ff4817ede8a17f12c0bbba8af0196c3003c711700475f6a868d363e08868ae82b453d40493aca0a0c13ba12b3c518510c74c7e3bcadfc108d28e46ca7ed46

Download Submit
memory/1412-0-0x0000025CA56D0000-0x0000025CA571A000-memory.dmp

Filesize
296KB

Download
memory/1412-31-0x00007FFD749C0000-0x00007FFD75481000-memory.dmp

Filesize
10.8MB

Download
memory/1412-32-0x0000025CBFD80000-0x0000025CBFD90000-memory.dmp

Filesize
64KB

Download
memory/1412-118-0x00007FFD749C0000-0x00007FFD75481000-memory.dmp

Filesize
10.8MB

Download