44caliber | baabcaab44f18457de9e2c0fb12c7191da6661d3c3f04439c972845870195cb9

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
28-12-2023 20:05

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General

Target

f4a727a2f17b57b2595324c3417a8098.exe
Size

1.7MB
MD5

f4a727a2f17b57b2595324c3417a8098
SHA1

84e0b86f87c1859950ecc14dfd362b4776f6ce7e
SHA256

baabcaab44f18457de9e2c0fb12c7191da6661d3c3f04439c972845870195cb9
SHA512

b648db2e85b94590386be68a5f9a32d6a8fa06f3fde37ceeeade7e5d3f1424055d4fa62a69bd984128a8f896c1b05ee58724c391bccfce8f517ed0a426cb5144
SSDEEP

49152:jtqZt+8WcOxXLyv7DyX2sugIuR0+Jfkg:j0Zt+yOxXLyv7DygOFdkg

Score

10^/10

44caliber blackguard spyware stealer

Malware Config

Extracted

Family

blackguard

https://api.telegram.org/bot1884637411:AAF-rJTB6AdEZjSla1g0hzeCLDs8bt6YKsI/sendMessage?chat_id=1050934663

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:

f4a727a2f17b57b2595324c3417a8098.exe

pid process

2512 f4a727a2f17b57b2595324c3417a8098.exe
2512 f4a727a2f17b57b2595324c3417a8098.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:

f4a727a2f17b57b2595324c3417a8098.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	f4a727a2f17b57b2595324c3417a8098.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	f4a727a2f17b57b2595324c3417a8098.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

f4a727a2f17b57b2595324c3417a8098.exe

pid	process
2512	f4a727a2f17b57b2595324c3417a8098.exe
2512	f4a727a2f17b57b2595324c3417a8098.exe
2512	f4a727a2f17b57b2595324c3417a8098.exe
2512	f4a727a2f17b57b2595324c3417a8098.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

f4a727a2f17b57b2595324c3417a8098.exe

description pid process

Token: SeDebugPrivilege 2512 f4a727a2f17b57b2595324c3417a8098.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

f4a727a2f17b57b2595324c3417a8098.exe

pid process

2512 f4a727a2f17b57b2595324c3417a8098.exe

description	pid	process
Token: SeDebugPrivilege	2512	f4a727a2f17b57b2595324c3417a8098.exe

C:\Users\Admin\AppData\Local\Temp\f4a727a2f17b57b2595324c3417a8098.exe
"C:\Users\Admin\AppData\Local\Temp\f4a727a2f17b57b2595324c3417a8098.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2512

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
397B

MD5
4d10bbfd4c986b798b512764d1cc63ad

SHA1
4995007a599f322e078bf884cabfdd463cb44f2c

SHA256
2398c9efaae06c4ac44406afd79b09a06870be1338c928bd9c5f97510ae372d0

SHA512
589fc3178ee65784350fbb6d91d0f80d45947f0b5a2d811065ffe5c99eb28495172e0eea9bc787d1ff51b5561b29cb8dc33fa711bc85d6dab137c3c583d6af2e

Download Submit
memory/2512-0-0x0000000000DF0000-0x00000000012D0000-memory.dmp

Filesize
4.9MB

Download
memory/2512-1-0x0000000074370000-0x0000000074A5E000-memory.dmp

Filesize
6.9MB

Download
memory/2512-2-0x0000000000DF0000-0x00000000012D0000-memory.dmp

Filesize
4.9MB

Download
memory/2512-3-0x00000000051F0000-0x0000000005230000-memory.dmp

Filesize
256KB

Download
memory/2512-67-0x0000000002DB0000-0x0000000002DB8000-memory.dmp

Filesize
32KB

Download
memory/2512-66-0x00000000028D0000-0x00000000028DA000-memory.dmp

Filesize
40KB

Download
memory/2512-71-0x0000000000DF0000-0x00000000012D0000-memory.dmp

Filesize
4.9MB

Download
memory/2512-72-0x0000000074370000-0x0000000074A5E000-memory.dmp

Filesize
6.9MB

Download