blackguard | b67650cdc6cf635ca616302f292c2054fb51739b8a59dc81f3f1ca69f43b0f04

General

Target

Domashka.exe
Size

7.7MB
MD5

86e863875266e8345097c29d15741a8b
SHA1

ab5524d7f698de5928397f3506645ba952103e4a
SHA256

bb5d7edc909a7ea29836a501dddd5244d33d342ec6f75c1cf201f14ed55802ac
SHA512

22528bbe743825dbfb09743d2824ad5220125e3240bd4d0bd2f87bdc7d46a259aebc08a6fc2e75d6119d881742348fcde90e05142eaa4f29d9c2bbe88f2ae8d5
SSDEEP

196608:lX5lladq1hZvawTVNi1Fg6rTSGRzyEjNoi5d7nWO7:lHq6vFTIFg63R5j2E7nWG

Score

10^/10

blackguard spyware stealer

Malware Config

Extracted

Family

blackguard

C2

https://api.telegram.org/bot6694446290:AAHhatGdMQTZc2j8T6IAfes0OfC6QMBYYSg/sendMessage?chat_id=6485360129

Signatures

BlackGuard
Infostealer first seen in Late 2021.
stealer blackguard

Executes dropped EXE 1 IoCs

pid	Process
3844	v2.exe

Loads dropped DLL 5 IoCs

pid	Process
3844	v2.exe
3844	v2.exe
3844	v2.exe
3844	v2.exe
3844	v2.exe

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 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
1	freegeoip.app
1	ip-api.com
2	freegeoip.app

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3844	v2.exe
3844	v2.exe
3844	v2.exe
3844	v2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3844	v2.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2016 wrote to memory of 3844	2016	Domashka.exe	79
PID 2016 wrote to memory of 3844	2016	Domashka.exe	79
PID 2016 wrote to memory of 3844	2016	Domashka.exe	79

C:\Users\Admin\AppData\Local\Temp\Domashka.exe
"C:\Users\Admin\AppData\Local\Temp\Domashka.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2016
- C:\Users\Admin\AppData\Local\Temp\v2.exe
  "C:\Users\Admin\AppData\Local\Temp\v2.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3844

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

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\Local\Temp\Newtonsoft.Json.dll

Filesize
571KB

MD5
169b6d383b7c650ab3ae2129397a6cf3

SHA1
fcaef7defb04301fd55fb1421bb15ef96d7040d6

SHA256
b896083feb2bdedc1568b62805dbd354c55e57f2d2469a52aec6c98f4ec2dedf

SHA512
7a7a7bdb508b8bf177249251c83b65a2ef4a5d8b29397cab130cb8444b23888678673a9a2e4b1c74cc095b358f923b9e7e5a91bfa8c240412d95765851f1dd87

Download Submit
C:\Users\Admin\AppData\Local\Temp\SQLite.Interop.dll

Filesize
1.3MB

MD5
0a1e95b0b1535203a1b8479dff2c03ff

SHA1
20c4b4406e8a3b1b35ca739ed59aa07ba867043d

SHA256
788d748b4d35dfd091626529457d91e9ebc8225746211086b14fb4a25785a51e

SHA512
854abcca8d807a98a9ad0ca5d2e55716c3ce26fae7ee4642796baf415c3cfad522b658963eafe504ecaed6c2ecdcdf332c9b01e43dfa342fcc5ca0fbedfe600e

Download Submit
C:\Users\Admin\AppData\Local\Temp\System.Data.SQLite.dll

Filesize
410KB

MD5
056d3fcaf3b1d32ff25f513621e2a372

SHA1
851740bca46bab71d0b1d47e47f3eb8358cbee03

SHA256
66b64362664030bff1596cda2ec5bd5df48cc7c8313c32f771db4aa30a3f86f9

SHA512
ce47c581538f48a46d70279a62c702195beacbfafb48a5a862b3922625fe56f6887d1679c6d9366f946d3d2124cb31c2a3eacbbd14d601ea56e66575cdf46180

Download Submit
C:\Users\Admin\AppData\Local\Temp\v2.exe

Filesize
271KB

MD5
85a93044109a70f1bb119d78966a2e4d

SHA1
7ecf238e536cf12fa3ff3e57b984f8f147c21266

SHA256
433b73b437ad4dd138d5a6a8cea12a4ff7bf93c2c9dc11844ab635b83638ebb8

SHA512
30656d405995e5dfc38bd6504463b7290b72f635b6773c1d58b116ee43f3afe0d14eae118139e43448446b6a0ffa4098bbec77ff8580b8df210b32ef1f522691

Download Submit
C:\Users\Admin\AppData\Roaming\VuJDLRVuHBFFuFPuTPTPDZQMHOKXAO.Admin\Browsers\Firefox\Bookmarks.txt

Filesize
105B

MD5
2e9d094dda5cdc3ce6519f75943a4ff4

SHA1
5d989b4ac8b699781681fe75ed9ef98191a5096c

SHA256
c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

SHA512
d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

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

Filesize
1KB

MD5
e5e17d050f6245636efca5cd4828c424

SHA1
9361a03ee5d617c11f6cf7b97b52a17d4cc75618

SHA256
a16460aa59a24ea9529c5c47667b956c8e08fd79aae4410b6c246f50ef934b59

SHA512
18488d29c6892355500682aab479966b294f2eb85a91e035933997a6577769f04c6b4077cfdb25af8e91e3a13a3a6a543bfe41a73721e41959a12d57e9170b36

Download Submit
memory/3844-92-0x0000000006E80000-0x00000000071D7000-memory.dmp

Filesize
3.3MB

Download
memory/3844-99-0x0000000007200000-0x0000000007221000-memory.dmp

Filesize
132KB

Download
memory/3844-86-0x0000000005A20000-0x0000000005A70000-memory.dmp

Filesize
320KB

Download
memory/3844-87-0x0000000005D20000-0x0000000005D42000-memory.dmp

Filesize
136KB

Download
memory/3844-91-0x0000000006400000-0x0000000006468000-memory.dmp

Filesize
416KB

Download
memory/3844-33-0x00000000066C0000-0x0000000006752000-memory.dmp

Filesize
584KB

Download
memory/3844-32-0x0000000005AC0000-0x0000000005AD0000-memory.dmp

Filesize
64KB

Download
memory/3844-93-0x00000000063A0000-0x00000000063EC000-memory.dmp

Filesize
304KB

Download
memory/3844-31-0x00000000746C0000-0x0000000074E71000-memory.dmp

Filesize
7.7MB

Download
memory/3844-37-0x0000000006BE0000-0x0000000006C72000-memory.dmp

Filesize
584KB

Download
memory/3844-98-0x0000000007240000-0x000000000727C000-memory.dmp

Filesize
240KB

Download
memory/3844-104-0x0000000008220000-0x00000000083E2000-memory.dmp

Filesize
1.8MB

Download
memory/3844-108-0x00000000089A0000-0x0000000008F46000-memory.dmp

Filesize
5.6MB

Download
memory/3844-30-0x0000000000F50000-0x0000000000F9A000-memory.dmp

Filesize
296KB

Download
memory/3844-189-0x00000000080C0000-0x0000000008126000-memory.dmp

Filesize
408KB

Download
memory/3844-190-0x00000000746C0000-0x0000000074E71000-memory.dmp

Filesize
7.7MB

Download
memory/3844-191-0x0000000005AC0000-0x0000000005AD0000-memory.dmp

Filesize
64KB

Download
memory/3844-192-0x0000000006E00000-0x0000000006E76000-memory.dmp

Filesize
472KB

Download
memory/3844-193-0x0000000006DC0000-0x0000000006DDE000-memory.dmp

Filesize
120KB

Download
memory/3844-196-0x00000000746C0000-0x0000000074E71000-memory.dmp

Filesize
7.7MB

Download

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