44caliber | 4ea469510ab54fc467022a806c7a88f739412f48f9d432f8c93202199174aa09

Analysis

max time kernel
145s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
25-09-2023 01:22

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General

Target

d5c05da57fa20048e35e6ef498b3dd0bcb92eaea3997e8a7009b38b8a15c4e86.exe
Size

274KB
MD5

40e3881d6c0898f6a5c24940b54a69a2
SHA1

f3da392ee4fb703255eff7ee8a83f23c2bb02987
SHA256

d5c05da57fa20048e35e6ef498b3dd0bcb92eaea3997e8a7009b38b8a15c4e86
SHA512

9013a696cda9be776f0a5ee66aece8716662121e69c5be056c8567eabed8fea91641e50714962438efb57da1b1ff1d4a2c3211e65be10a9e7833e647f700eb8b
SSDEEP

6144:ef+BLtABPDMtBBfn1Y0gIoHOQZafTy8lI1D0Cbg:1tVvgIoHO+x1DRg

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/1155120137612034188/cdy5wHbWmzOOyiX6nZbn5OlBuBidB8er7f1281hl7JRUP1iVFGnh9s57SwGqJtsdtgrx

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
6	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	d5c05da57fa20048e35e6ef498b3dd0bcb92eaea3997e8a7009b38b8a15c4e86.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	d5c05da57fa20048e35e6ef498b3dd0bcb92eaea3997e8a7009b38b8a15c4e86.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
456	d5c05da57fa20048e35e6ef498b3dd0bcb92eaea3997e8a7009b38b8a15c4e86.exe
456	d5c05da57fa20048e35e6ef498b3dd0bcb92eaea3997e8a7009b38b8a15c4e86.exe
456	d5c05da57fa20048e35e6ef498b3dd0bcb92eaea3997e8a7009b38b8a15c4e86.exe
456	d5c05da57fa20048e35e6ef498b3dd0bcb92eaea3997e8a7009b38b8a15c4e86.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	456	d5c05da57fa20048e35e6ef498b3dd0bcb92eaea3997e8a7009b38b8a15c4e86.exe

C:\Users\Admin\AppData\Local\Temp\d5c05da57fa20048e35e6ef498b3dd0bcb92eaea3997e8a7009b38b8a15c4e86.exe
"C:\Users\Admin\AppData\Local\Temp\d5c05da57fa20048e35e6ef498b3dd0bcb92eaea3997e8a7009b38b8a15c4e86.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:456

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
740B

MD5
008af65348af3ef3ac3b092cbb66aefe

SHA1
0276b8cf48351c7d6d206aba4cfef5697a0d7544

SHA256
f3fdd72b5ea24d09b9993d769f247ff3442ce01c97833753ef7edab6c04eacf8

SHA512
2f09dde9dfd8e6fa3372e3c3716845635f6f26ea2f60e4d34404070238b0f57bccc89d09ffc7baac90abe1fcecce69e12ba2189f044f30e1f3f6d98c3c57dd35

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

Filesize
1KB

MD5
5615440497697cc2c07ef0eaaab78703

SHA1
800df3b9ebe4d5292afae132afa1d07b4ee8173f

SHA256
23ac766f05a20397d978d89da84b11ec0ec7013305d3c00eb0ab472cb4e44c56

SHA512
166ce20cce1fe4b8548eb03b7532393f8743c6e7a36563320a32940cc68ad31e2c8f782dea0709a6ad797f7f483f6645f1295474d4fabcd4ae083e8df2d9b178

Download Submit
memory/456-0-0x000001D8325F0000-0x000001D83263A000-memory.dmp

Filesize
296KB

Download
memory/456-30-0x00007FF9F73F0000-0x00007FF9F7EB1000-memory.dmp

Filesize
10.8MB

Download
memory/456-31-0x000001D84CB60000-0x000001D84CB70000-memory.dmp

Filesize
64KB

Download
memory/456-120-0x00007FF9F73F0000-0x00007FF9F7EB1000-memory.dmp

Filesize
10.8MB

Download