blackguard | c692dfc29e70a17cabc19561e8e2662e1fe32fdba998a09fe1a8dc2b7e045b34

General

Target

v2.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
6	freegeoip.app
7	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
5028	2272	WerFault.exe	82

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	v2.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	v2.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	v2.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2272	v2.exe
2272	v2.exe
2272	v2.exe
2272	v2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2272	v2.exe

C:\Users\Admin\AppData\Local\Temp\v2.exe
"C:\Users\Admin\AppData\Local\Temp\v2.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2272
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2272 -s 2272
  2⤵
  - Program crash
  PID:5028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2272 -ip 2272
1⤵
PID:2532

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

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Downloads

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

Filesize
105B

MD5
2e9d094dda5cdc3ce6519f75943a4ff4

SHA1
5d989b4ac8b699781681fe75ed9ef98191a5096c

SHA256
c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

SHA512
d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

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

Filesize
1KB

MD5
78b99ee3470fdb3b682c930a2ef36b0a

SHA1
64077d6955fafbeb89063021f44aabfa4de349f1

SHA256
d9db4a3de5e2a433f03d263c525af8134ece99f018525f5a1c0a1a6c708f4b80

SHA512
9c3ef3a82d1a87611459009a4a1798adfaef30d751bd2db9a3ea066fbf74827e5fb82bd762f541073208296681491570d5dd774417b5626d2e5744843a71989e

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

Filesize
731B

MD5
bb7552caa5fe222d9d4f31d4b25fe5fc

SHA1
92c890262d338e025fbcf6c23c3575f91f74c609

SHA256
1d0a5bb564775951f03d745b018eef0bf8080c1be2493b7985740b4f6ace3446

SHA512
29bb9e92992ea34c4b6d17df8be8fc453d661c11f2d2224b61576ab1d60e5fb9086e866fed5e95f20007c4b29c20b694ca4edd2e8f44ad3b733d36bec036b3e2

Download Submit
memory/2272-0-0x000000007443E000-0x000000007443F000-memory.dmp

Filesize
4KB

Download
memory/2272-1-0x0000000000930000-0x000000000097A000-memory.dmp

Filesize
296KB

Download
memory/2272-4-0x0000000005BF0000-0x0000000005C82000-memory.dmp

Filesize
584KB

Download
memory/2272-13-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/2272-49-0x00000000061A0000-0x0000000006362000-memory.dmp

Filesize
1.8MB

Download
memory/2272-50-0x0000000006C20000-0x00000000071C4000-memory.dmp

Filesize
5.6MB

Download
memory/2272-134-0x0000000006AD0000-0x0000000006B36000-memory.dmp

Filesize
408KB

Download
memory/2272-135-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download

Analysis

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