44caliber | f6e4515313b2edc227f40a55d731479f7ef7562b911ffc3f8058bfcf979d544b

Analysis

max time kernel
86s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
01-02-2024 07:22

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General

Target

864834b04458cd1d9962be39ff55aee3.exe
Size

275KB
MD5

864834b04458cd1d9962be39ff55aee3
SHA1

984bcaf6e8ed6cc94937116556f8f585cb0f5417
SHA256

f6e4515313b2edc227f40a55d731479f7ef7562b911ffc3f8058bfcf979d544b
SHA512

8518bdc620c8de8f41f2b05aefa81114c0bcba4f7d03ebdcede97edffa1c6c4d7e57bbc0da4fd26642e601a470de91124ac260e50df2c64ec1e95aeb5000ceb2
SSDEEP

6144:qf+BLtABPD9FBWKXsSlrVPl/9rHxlqQy8HRA190DuH:oFsSlrVPlJxlNyh19DH

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/870581345427005441/UjrKmnTLwya1NxpTUmifD6bHBh3H7Mn_MRUKUdVkdaAZA7DCMhJguLjz7KVW5wv2RDfj

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
3 freegeoip.app

flow	ioc
1	freegeoip.app
3	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:

864834b04458cd1d9962be39ff55aee3.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	864834b04458cd1d9962be39ff55aee3.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	864834b04458cd1d9962be39ff55aee3.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

864834b04458cd1d9962be39ff55aee3.exe

pid	process
3800	864834b04458cd1d9962be39ff55aee3.exe
3800	864834b04458cd1d9962be39ff55aee3.exe
3800	864834b04458cd1d9962be39ff55aee3.exe
3800	864834b04458cd1d9962be39ff55aee3.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

864834b04458cd1d9962be39ff55aee3.exe

description pid process

Token: SeDebugPrivilege 3800 864834b04458cd1d9962be39ff55aee3.exe

description	pid	process
Token: SeDebugPrivilege	3800	864834b04458cd1d9962be39ff55aee3.exe

C:\Users\Admin\AppData\Local\Temp\864834b04458cd1d9962be39ff55aee3.exe
"C:\Users\Admin\AppData\Local\Temp\864834b04458cd1d9962be39ff55aee3.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3800

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\44\Process.txt
Filesize
738B

MD5
60ec69fad4ebdd564cf7f065d696d03e

SHA1
f1b9872020b5fb158d65c49485a973296bfc8a3f

SHA256
dfd4173521c41e4b3005c825c2f4cbe325d70a326bd37a509da19d8955d5e340

SHA512
f7b4b0488bf737c824585cadc60606482d47b842f2c7e8ec234c33c3484b84be481a4633f8a78391801540f38315826794ad15394cfa52b4f8dbccd30702c8f5

Download Submit
C:\Users\Admin\AppData\Local\44\Process.txt
Filesize
754B

MD5
8f61f1df55eb1a4cb1173dc547c09db9

SHA1
8612e9ab75724a60997eca9e18c25e90cd6accec

SHA256
31a7b8cc094231938a1ce9e49da82711964808834d271d2daeb06e7f5b962e05

SHA512
6355d2395cca05c3e4fde7bc07094d38352cd9f6dc73c73da977315b8c6b9c6e632860d1859d3371bb2c241bc0e7716b04da8637cdc40b76e27e769615e3800f

Download Submit
C:\Users\Admin\AppData\Local\44\Process.txt
Filesize
1024B

MD5
37cf2e5a62bd24b80f209f38cc2938ca

SHA1
df3bfd7b7d93207be273928e436999595b0efabe

SHA256
6128118080f3b9821a6286282bc5a3f3a0c9df35a021f859b7b481961c864d63

SHA512
50e9a10ec27d393700890cd1bf3fed8e71f44010873c9f6ada272ca758014214866ab2ca15cf3208652adcec66944262f282ce96a017b410bdf3614c979e5e9e

Download Submit
memory/3800-0-0x0000000000010000-0x000000000005C000-memory.dmp

Filesize
304KB

Download
memory/3800-11-0x00007FFB99CF0000-0x00007FFB9A7B1000-memory.dmp

Filesize
10.8MB

Download
memory/3800-28-0x00000000021D0000-0x00000000021E0000-memory.dmp

Filesize
64KB

Download
memory/3800-122-0x000000001B8B0000-0x000000001BA59000-memory.dmp

Filesize
1.7MB

Download
memory/3800-123-0x00007FFB99CF0000-0x00007FFB9A7B1000-memory.dmp

Filesize
10.8MB

Download