blackguard | fe364ddbfe5b0fdd34ca1f2de1f901f8b1097ae9a4d0cee649d3a09e1c02518c

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
07-03-2024 01:19

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General

Target

fe364ddbfe5b0fdd34ca1f2de1f901f8b1097ae9a4d0cee649d3a09e1c02518c.exe
Size

271KB
MD5

9f6a3708aefe70bc0dce3791933daa15
SHA1

955d4199f1e6b4baa1505facbc706dd3f4f216e5
SHA256

fe364ddbfe5b0fdd34ca1f2de1f901f8b1097ae9a4d0cee649d3a09e1c02518c
SHA512

9e70cdc23bffd3e08a3efd848490ad591a1cd45aa7e9785c639f44af2282241b806a306dec0a1c6a8823d0d973709fa581638473ba9b402e9835d43d1dfc5edb
SSDEEP

6144:VmYKJMVRp9hnmy0UYU9B93YUnLbB62X3Rb36h3BQ:uJ0Rp9hzL82ghRQ

Score

10^/10

blackguard spyware stealer

Malware Config

Extracted

Family

blackguard

https://api.telegram.org/bot6791527720:AAGAcaNpEBFqTzq72qgKaCrjniEEB3GQpKo/sendMessage?chat_id=1160270288

Signatures

BlackGuard
Infostealer first seen in Late 2021.
stealer blackguard

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 2 IoCs

resource	yara_rule
behavioral1/memory/2732-0-0x00000000003C0000-0x000000000040A000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2732-63-0x00000000046D0000-0x0000000004710000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables containing SQL queries to confidential data stores. Observed in infostealers 2 IoCs

resource	yara_rule
behavioral1/memory/2732-0-0x00000000003C0000-0x000000000040A000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
behavioral1/memory/2732-63-0x00000000046D0000-0x0000000004710000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore

Detects executables containing common artifacts observed in infostealers 2 IoCs

resource	yara_rule
behavioral1/memory/2732-0-0x00000000003C0000-0x000000000040A000-memory.dmp	INDICATOR_SUSPICIOUS_GENInfoStealer
behavioral1/memory/2732-63-0x00000000046D0000-0x0000000004710000-memory.dmp	INDICATOR_SUSPICIOUS_GENInfoStealer

Detects executables referencing Discord tokens regular expressions 3 IoCs

resource	yara_rule
behavioral1/memory/2732-0-0x00000000003C0000-0x000000000040A000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Discord_Regex
behavioral1/memory/2732-2-0x00000000046D0000-0x0000000004710000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Discord_Regex
behavioral1/memory/2732-63-0x00000000046D0000-0x0000000004710000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Discord_Regex

Detects executables referencing credit card regular expressions 3 IoCs

resource	yara_rule
behavioral1/memory/2732-0-0x00000000003C0000-0x000000000040A000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_CC_Regex
behavioral1/memory/2732-2-0x00000000046D0000-0x0000000004710000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_CC_Regex
behavioral1/memory/2732-63-0x00000000046D0000-0x0000000004710000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_CC_Regex

Detects executables referencing many VPN software clients. Observed in infosteslers 2 IoCs

resource	yara_rule
behavioral1/memory/2732-0-0x00000000003C0000-0x000000000040A000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_VPN
behavioral1/memory/2732-63-0x00000000046D0000-0x0000000004710000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_VPN

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 2 IoCs

resource	yara_rule
behavioral1/memory/2732-0-0x00000000003C0000-0x000000000040A000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2732-63-0x00000000046D0000-0x0000000004710000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables using Telegram Chat Bot 2 IoCs

resource	yara_rule
behavioral1/memory/2732-0-0x00000000003C0000-0x000000000040A000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
behavioral1/memory/2732-63-0x00000000046D0000-0x0000000004710000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_TelegramChatBot

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.

flow	ioc
2	freegeoip.app
3	freegeoip.app

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2216	2732	WerFault.exe	27

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	fe364ddbfe5b0fdd34ca1f2de1f901f8b1097ae9a4d0cee649d3a09e1c02518c.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	fe364ddbfe5b0fdd34ca1f2de1f901f8b1097ae9a4d0cee649d3a09e1c02518c.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2732	fe364ddbfe5b0fdd34ca1f2de1f901f8b1097ae9a4d0cee649d3a09e1c02518c.exe
2732	fe364ddbfe5b0fdd34ca1f2de1f901f8b1097ae9a4d0cee649d3a09e1c02518c.exe
2732	fe364ddbfe5b0fdd34ca1f2de1f901f8b1097ae9a4d0cee649d3a09e1c02518c.exe
2732	fe364ddbfe5b0fdd34ca1f2de1f901f8b1097ae9a4d0cee649d3a09e1c02518c.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2732	fe364ddbfe5b0fdd34ca1f2de1f901f8b1097ae9a4d0cee649d3a09e1c02518c.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2732 wrote to memory of 2216	2732	fe364ddbfe5b0fdd34ca1f2de1f901f8b1097ae9a4d0cee649d3a09e1c02518c.exe	29
PID 2732 wrote to memory of 2216	2732	fe364ddbfe5b0fdd34ca1f2de1f901f8b1097ae9a4d0cee649d3a09e1c02518c.exe	29
PID 2732 wrote to memory of 2216	2732	fe364ddbfe5b0fdd34ca1f2de1f901f8b1097ae9a4d0cee649d3a09e1c02518c.exe	29
PID 2732 wrote to memory of 2216	2732	fe364ddbfe5b0fdd34ca1f2de1f901f8b1097ae9a4d0cee649d3a09e1c02518c.exe	29

C:\Users\Admin\AppData\Local\Temp\fe364ddbfe5b0fdd34ca1f2de1f901f8b1097ae9a4d0cee649d3a09e1c02518c.exe
"C:\Users\Admin\AppData\Local\Temp\fe364ddbfe5b0fdd34ca1f2de1f901f8b1097ae9a4d0cee649d3a09e1c02518c.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2732
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2732 -s 1812
  2⤵
  - Program crash
  PID:2216

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

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Downloads

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

Filesize
105B

MD5
2e9d094dda5cdc3ce6519f75943a4ff4

SHA1
5d989b4ac8b699781681fe75ed9ef98191a5096c

SHA256
c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

SHA512
d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

Download Submit
memory/2732-0-0x00000000003C0000-0x000000000040A000-memory.dmp

Filesize
296KB

Download
memory/2732-1-0x00000000748A0000-0x0000000074F8E000-memory.dmp

Filesize
6.9MB

Download
memory/2732-2-0x00000000046D0000-0x0000000004710000-memory.dmp

Filesize
256KB

Download
memory/2732-62-0x00000000748A0000-0x0000000074F8E000-memory.dmp

Filesize
6.9MB

Download
memory/2732-63-0x00000000046D0000-0x0000000004710000-memory.dmp

Filesize
256KB

Download