44caliber | 2a6063c7a32ca6b06174935c64894c825b29eafbea54700c0bc0a6b64be186f4

Analysis

max time kernel
123s
max time network
152s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
30-12-2023 21:56

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General

Target

1dc5cd47accaaebf5be57878d43a2dc0.exe
Size

1.7MB
MD5

1dc5cd47accaaebf5be57878d43a2dc0
SHA1

908e07ba8c3e9760aa42746e67e5c66b3110bb11
SHA256

2a6063c7a32ca6b06174935c64894c825b29eafbea54700c0bc0a6b64be186f4
SHA512

f3b6d684da544da1cd0a8dea28dd5abd3a4ced524492ca03278e669daa21d1a52d36f967da4fb2a04c79068b04bd1ba03fa746282bf763156637f4eb5953b6a3
SSDEEP

49152:cZ6rR44Nu+OkppJ+yoeTp3flodyZmFSykdoj9zgi4:cuR44NPpiuTp3floqmAx4q

Score

10^/10

44caliber blackguard spyware stealer

Malware Config

Extracted

Family

blackguard

https://api.telegram.org/bot1910729667:AAHOpTkbYDLI9EqfJlZpo0NtC5va-gyAKbo/sendMessage?chat_id=1008805926

Signatures

44Caliber
An open source infostealer written in C#.
stealer 44caliber
BlackGuard
Infostealer first seen in Late 2021.
stealer blackguard
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

2 freegeoip.app
3 freegeoip.app
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

1dc5cd47accaaebf5be57878d43a2dc0.exe

pid process

2920 1dc5cd47accaaebf5be57878d43a2dc0.exe
2920 1dc5cd47accaaebf5be57878d43a2dc0.exe

flow	ioc
2	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:

1dc5cd47accaaebf5be57878d43a2dc0.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	1dc5cd47accaaebf5be57878d43a2dc0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	1dc5cd47accaaebf5be57878d43a2dc0.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

1dc5cd47accaaebf5be57878d43a2dc0.exe

pid	process
2920	1dc5cd47accaaebf5be57878d43a2dc0.exe
2920	1dc5cd47accaaebf5be57878d43a2dc0.exe
2920	1dc5cd47accaaebf5be57878d43a2dc0.exe
2920	1dc5cd47accaaebf5be57878d43a2dc0.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

1dc5cd47accaaebf5be57878d43a2dc0.exe

description pid process

Token: SeDebugPrivilege 2920 1dc5cd47accaaebf5be57878d43a2dc0.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

1dc5cd47accaaebf5be57878d43a2dc0.exe

pid process

2920 1dc5cd47accaaebf5be57878d43a2dc0.exe

description	pid	process
Token: SeDebugPrivilege	2920	1dc5cd47accaaebf5be57878d43a2dc0.exe

C:\Users\Admin\AppData\Local\Temp\1dc5cd47accaaebf5be57878d43a2dc0.exe
"C:\Users\Admin\AppData\Local\Temp\1dc5cd47accaaebf5be57878d43a2dc0.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2920

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:\Users\Admin\AppData\Roaming\44\Browsers\Firefox\Bookmarks.txt

Filesize
105B

MD5
2e9d094dda5cdc3ce6519f75943a4ff4

SHA1
5d989b4ac8b699781681fe75ed9ef98191a5096c

SHA256
c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

SHA512
d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

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

Filesize
428B

MD5
dea5221798a9cd5c58f5cdd849873eb3

SHA1
b52c35fafba0336b952366a5a506be4dd2e5ee9b

SHA256
60fbb4766843f2ff1ebdf51b9363f50032826d5325e844b3fb1a673bb2d747b3

SHA512
01a8d9ece87168f948a073c8efa99931ec423e95e64df0780df421a5a70d4e3a60cac0ec8b9d1165a09edb2d611496adbe46480492f3145c2c8432db66aa4bb5

Download Submit
memory/2920-0-0x0000000000B00000-0x0000000000FE2000-memory.dmp

Filesize
4.9MB

Download
memory/2920-2-0x0000000000B00000-0x0000000000FE2000-memory.dmp

Filesize
4.9MB

Download
memory/2920-1-0x00000000745B0000-0x0000000074C9E000-memory.dmp

Filesize
6.9MB

Download
memory/2920-3-0x0000000002A40000-0x0000000002A80000-memory.dmp

Filesize
256KB

Download
memory/2920-64-0x00000000026F0000-0x00000000026FA000-memory.dmp

Filesize
40KB

Download
memory/2920-65-0x0000000002740000-0x0000000002748000-memory.dmp

Filesize
32KB

Download
memory/2920-68-0x0000000000B00000-0x0000000000FE2000-memory.dmp

Filesize
4.9MB

Download
memory/2920-69-0x00000000745B0000-0x0000000074C9E000-memory.dmp

Filesize
6.9MB

Download