blackguard | c692dfc29e70a17cabc19561e8e2662e1fe32fdba998a09fe1a8dc2b7e045b34

General

Target

c692dfc29e70a17cabc19561e8e2662e1fe32fdba998a09fe1a8dc2b7e045b34.exe
Size

271KB
MD5

3f62213d184b639a0a62bcb1e65370a8
SHA1

bbf50b3c683550684cdb345d348e98fbe2fcafe0
SHA256

c692dfc29e70a17cabc19561e8e2662e1fe32fdba998a09fe1a8dc2b7e045b34
SHA512

0cd40d714e6a6ebd60cc0c8b0e339905a5f1198a474a531b1794fb562f27053f118718cc68b9652fef3411906f9d8ad22d0253af256fa1922133e9907298e803
SSDEEP

6144:qmYKJMVRp9hnmy0UYU9B93YUnLbB62X3Rb36h3YQ:ZJ0Rp9hzL82ghIQ

Score

10^/10

blackguard discovery spyware stealer

Malware Config

Extracted

Family

blackguard

C2

https://api.telegram.org/bot6540906397:AAG08fPgT-V7I17vtz49STaZEuwqXqKshuM/sendMessage?chat_id=5445185021

Signatures

BlackGuard
Infostealer first seen in Late 2021.
stealer blackguard
Blackguard family
blackguard
Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003
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
5	freegeoip.app
4	freegeoip.app

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2612	2496	WerFault.exe	29

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c692dfc29e70a17cabc19561e8e2662e1fe32fdba998a09fe1a8dc2b7e045b34.exe

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	c692dfc29e70a17cabc19561e8e2662e1fe32fdba998a09fe1a8dc2b7e045b34.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	c692dfc29e70a17cabc19561e8e2662e1fe32fdba998a09fe1a8dc2b7e045b34.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2496	c692dfc29e70a17cabc19561e8e2662e1fe32fdba998a09fe1a8dc2b7e045b34.exe
2496	c692dfc29e70a17cabc19561e8e2662e1fe32fdba998a09fe1a8dc2b7e045b34.exe
2496	c692dfc29e70a17cabc19561e8e2662e1fe32fdba998a09fe1a8dc2b7e045b34.exe
2496	c692dfc29e70a17cabc19561e8e2662e1fe32fdba998a09fe1a8dc2b7e045b34.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2496	c692dfc29e70a17cabc19561e8e2662e1fe32fdba998a09fe1a8dc2b7e045b34.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2496 wrote to memory of 2612	2496	c692dfc29e70a17cabc19561e8e2662e1fe32fdba998a09fe1a8dc2b7e045b34.exe	31
PID 2496 wrote to memory of 2612	2496	c692dfc29e70a17cabc19561e8e2662e1fe32fdba998a09fe1a8dc2b7e045b34.exe	31
PID 2496 wrote to memory of 2612	2496	c692dfc29e70a17cabc19561e8e2662e1fe32fdba998a09fe1a8dc2b7e045b34.exe	31
PID 2496 wrote to memory of 2612	2496	c692dfc29e70a17cabc19561e8e2662e1fe32fdba998a09fe1a8dc2b7e045b34.exe	31

C:\Users\Admin\AppData\Local\Temp\c692dfc29e70a17cabc19561e8e2662e1fe32fdba998a09fe1a8dc2b7e045b34.exe
"C:\Users\Admin\AppData\Local\Temp\c692dfc29e70a17cabc19561e8e2662e1fe32fdba998a09fe1a8dc2b7e045b34.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2496
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2496 -s 1896
  2⤵
  - Program crash
  PID:2612

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Browser Information Discovery

Query Registry

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\RPMXQFNXLT.Admin\Browsers\Firefox\Bookmarks.txt

Filesize
105B

MD5
2e9d094dda5cdc3ce6519f75943a4ff4

SHA1
5d989b4ac8b699781681fe75ed9ef98191a5096c

SHA256
c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

SHA512
d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

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

Filesize
475B

MD5
ae3e9da7f13e3edd63340730f7ee0607

SHA1
34d576f75bed73dce760f9472d55c99483b27ebb

SHA256
5b15e4d10e39be1de5f6bce1c61fb566d25c2ae679ec6bc0e40eeaf99da19524

SHA512
dfb46d8f1499edb522f0ee605a6ff876307417692972917049c897ad702679d08b969ff66c6fd3d4694ef784db319feaccaaf8522bfa3e1358f9c8ea7fca9f03

Download Submit
memory/2496-0-0x000000007411E000-0x000000007411F000-memory.dmp

Filesize
4KB

Download
memory/2496-1-0x0000000000890000-0x00000000008DA000-memory.dmp

Filesize
296KB

Download
memory/2496-8-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/2496-64-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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