44caliber | 1c6df026b501c1bd0bd7538d1ad29c41565ee60a9441ae183f00d5409e0b48b4

Analysis

max time kernel
7s
max time network
23s
platform
windows11-21h2_x64
resource
win11-20231215-en
resource tags

arch:x64arch:x86image:win11-20231215-enlocale:en-usos:windows11-21h2-x64system
submitted
09-02-2024 08:52

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General

Target

Minty/Minty.exe
Size

274KB
MD5

6c10aa7f40c68f01050d041ab9c16417
SHA1

8b447164852a63f79e276396649f98dfb955e053
SHA256

db5cda1822fc9fa50bc6719d835d61692d936b674da3d840ba61ad1b11c616eb
SHA512

9636f49c03203faf53e48945efb3e182ddbcbd143822f7c706d11164d2a1a7e86caa72d3eabf307616011b79fb00b35a894dc6055a2d1cfa9966183e96a12a31
SSDEEP

6144:Bf+BLtABPDMZZzIlzcwKUfmBnxafTy8lI1D0zOy:uZOnKUfmBXx1DNy

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/1205378577210548224/LNcoZrLKPyHLEN4pcKhtXlPWyk5g8jRNtbvhK_L1UGxjObYKgJwFG53LqgVJZWP5xjst

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
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

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

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1460	Minty.exe
1460	Minty.exe
1460	Minty.exe
1460	Minty.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1460	Minty.exe

C:\Users\Admin\AppData\Local\Temp\Minty\Minty.exe
"C:\Users\Admin\AppData\Local\Temp\Minty\Minty.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1460

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\Roaming\44\Process.txt

Filesize
740B

MD5
1a4028a6298947212a6b154b245fd79d

SHA1
dce73f162e12aa9dc9dfa12e1da690d5e24bf78b

SHA256
9e1197761b4f1480aee9954a7da012eba2d93d0296c35caa54e181eb86674a7e

SHA512
31fddf66b89ac32c1780e803c87c8403b67e87677ff093362b7e090ae90ab1efc759e567473d9071debe8b6aa1f038b7ceb5b49891350d4c708c32494bf38168

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

Filesize
1KB

MD5
a5576a0aea77b49ca7b46316cd99709a

SHA1
7ed540928e053c2107b57bfba56c844e9dfc83c7

SHA256
bbd6561374dd928191e218c848a4159882197e0300a97daeef7472a77ea64957

SHA512
90797a371a405ea66f2f41a8c6307cdeab225d4dab23d7442b8985ce62a5109a4c77994452646c899dd6bae8a0a29c01c9dac123619b8379214a44c44dbf251a

Download Submit
memory/1460-0-0x000001FF31F90000-0x000001FF31FDA000-memory.dmp

Filesize
296KB

Download
memory/1460-1-0x00007FFB99E90000-0x00007FFB9A952000-memory.dmp

Filesize
10.8MB

Download
memory/1460-2-0x000001FF33D60000-0x000001FF33D70000-memory.dmp

Filesize
64KB

Download
memory/1460-113-0x00007FFB99E90000-0x00007FFB9A952000-memory.dmp

Filesize
10.8MB

Download