blackmoon | ad7a268395139d617e3f9485611c4b389eeed6fce31aaf64390a0bd7e4fc7c2e

Analysis

max time kernel
94s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15-12-2024 03:57

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General

Target

Chrome.exe
Size

4.3MB
MD5

89385817787b65c1e1efa58c8824c1fa
SHA1

e6c72a0f4465c4ebf1b2f27e5b2290e463e3396b
SHA256

0a1c860bd4e521605f256224accd99781d8ef4c06bbf8d5c60fd94c360c36930
SHA512

6eb258fe9bb111e4fe11265fef2b353bb5cee657ab3f8f6798470c828d437912f91d732d0569cf905bffcba5a4a6014aac718264be92c992d27f1d681b75fb36
SSDEEP

98304:/gwRK81kSwPZbAT/B5IXDMLmPG4csKk3hltRJxMxCjQdLGgOxV:/gP8atSDXIXIOG4cGnzQd6f/

Score

10^/10

blackmoon fatalrat aspackv2 banker discovery evasion infostealer persistence rat trojan

Malware Config

Signatures

Blackmoon family
blackmoon
Blackmoon, KrBanker
Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.
trojan banker blackmoon

Detect Blackmoon payload 8 IoCs

resource	yara_rule
behavioral2/memory/3248-16-0x0000000000400000-0x0000000000960000-memory.dmp	family_blackmoon
behavioral2/memory/3248-15-0x0000000000400000-0x0000000000960000-memory.dmp	family_blackmoon
behavioral2/memory/3248-17-0x0000000000400000-0x0000000000960000-memory.dmp	family_blackmoon
behavioral2/memory/820-32-0x0000000000400000-0x0000000000960000-memory.dmp	family_blackmoon
behavioral2/memory/820-33-0x0000000000400000-0x0000000000960000-memory.dmp	family_blackmoon
behavioral2/memory/820-31-0x0000000000400000-0x0000000000960000-memory.dmp	family_blackmoon
behavioral2/memory/820-50-0x0000000000400000-0x0000000000960000-memory.dmp	family_blackmoon
behavioral2/memory/3248-51-0x0000000000400000-0x0000000000960000-memory.dmp	family_blackmoon

FatalRat
FatalRat is a modular infostealer family written in C++ first appearing in June 2021.
infostealer rat fatalrat
Fatalrat family
fatalrat

Fatal Rat payload 1 IoCs

rat infostealer

resource	yara_rule
behavioral2/memory/2376-45-0x0000000010000000-0x0000000010029000-memory.dmp	fatalrat

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x0007000000023c9a-6.dat	aspack_v212_v242

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	Chrome.exe

Executes dropped EXE 3 IoCs

pid	Process
3248	uml.exe
820	QTalk.exe
2376	spolsvt.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Çý¶¯ÈËÉú = "C:\\Users\\Public\\Documents\\sougou\\PTvrst.exe"	uml.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	uml.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 820 set thread context of 2376	820	QTalk.exe	84

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\ChromeSetup.exe	Chrome.exe
File opened for modification	C:\Program Files (x86)\ChromeSetup.exe	Chrome.exe
File created	C:\Program Files (x86)\uml.exe	Chrome.exe
File opened for modification	C:\Program Files (x86)\uml.exe	Chrome.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 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	Chrome.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	uml.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	QTalk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spolsvt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3248	uml.exe
3248	uml.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe
2376	spolsvt.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2376	spolsvt.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3248	uml.exe
820	QTalk.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3972 wrote to memory of 3248	3972	Chrome.exe	82
PID 3972 wrote to memory of 3248	3972	Chrome.exe	82
PID 3972 wrote to memory of 3248	3972	Chrome.exe	82
PID 3248 wrote to memory of 820	3248	uml.exe	83
PID 3248 wrote to memory of 820	3248	uml.exe	83
PID 3248 wrote to memory of 820	3248	uml.exe	83
PID 820 wrote to memory of 2376	820	QTalk.exe	84
PID 820 wrote to memory of 2376	820	QTalk.exe	84
PID 820 wrote to memory of 2376	820	QTalk.exe	84
PID 820 wrote to memory of 2376	820	QTalk.exe	84
PID 820 wrote to memory of 2376	820	QTalk.exe	84
PID 820 wrote to memory of 2376	820	QTalk.exe	84
PID 820 wrote to memory of 2376	820	QTalk.exe	84
PID 820 wrote to memory of 2376	820	QTalk.exe	84
PID 3972 wrote to memory of 3548	3972	Chrome.exe	85
PID 3972 wrote to memory of 3548	3972	Chrome.exe	85
PID 3972 wrote to memory of 3548	3972	Chrome.exe	85

C:\Users\Admin\AppData\Local\Temp\Chrome.exe
"C:\Users\Admin\AppData\Local\Temp\Chrome.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3972
- C:\Program Files (x86)\uml.exe
  "C:\Program Files (x86)\uml.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3248
- - C:\Users\Public\Documents\sougou\V4.6.80\Bin\QTalk.exe
    C:\Users\Public\Documents\sougou\V4.6.80\Bin\QTalk.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:820
  - - C:\Users\Public\Documents\sougou\spolsvt.exe
      C:\Users\Public\Documents\sougou\spolsvt.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2376
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7ZSfx000.cmd" "
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\uml.exe

Filesize
3.1MB

MD5
acdf1b6e3dbb99914f08566ac8cd8e4c

SHA1
f10b4f23fcbb75904f2f868a5c58fd78aedb2389

SHA256
50597f0ac08f294cd134f0ec2ead972aa3a5dea612df2072db2bc969df9dccc9

SHA512
291c6f501ca05209f6be59a9b0ed3e759853d66a26ce44ee1c9d013a8b4d04f0bb6b4f0c77cd3d4ceddd6f27ab4a112e6b136c230ec26ea45d870e61147755b3

Download Submit
C:\Users\Admin\AppData\Local\Temp\7ZSfx000.cmd

Filesize
184B

MD5
a994798dc8a4e132599c71a27a3e5fed

SHA1
77a1dd9802e75e2a576a7ce7d0205d38ebafda4e

SHA256
b579bef02bd91e9b29bcad36144ba04588585614bfcef60c6feb67bf4982b185

SHA512
9b398669b1f1a300e609cdfcfd430214dfbe13c0f822e1d34ae9a7171c51e18a3f2781107c7ace5c0dbf47b26a9e70b9fd93acd345ee9ded9c235ac9058ce154

Download Submit
C:\Users\Public\Documents\sougou\Mpec.mbt

Filesize
92KB

MD5
318ef4be770866dbe650f6a09f26dbe4

SHA1
e28fce78f7f2dea7ba6dd1e337d766d01627b1c9

SHA256
4b9abc5f96d9b4601b989f7f19dbc5de8b53f7eb222904b380fed6c1500ea4de

SHA512
364491819d6f3ae3b5f28c66c7dac3d76eb50efef8d5b2176c121af249f52ba5b75dd39aaedfa69ef60ca0f3d546e8fb9184cd5964676b4c714eb6f978137ff3

Download Submit
C:\Users\Public\Documents\sougou\spolsvt.exe

Filesize
9KB

MD5
523d5c39f9d8d2375c3df68251fa2249

SHA1
d4ed365c44bec9246fc1a65a32a7791792647a10

SHA256
20e3dc90a3e83b6202e2a7f4603b60e5e859639cb68693426c400b13aaeabd78

SHA512
526e1bba30d03f1ac177c6ab7409187a730969c429cebef15da68ffcf44b3b93227781eebc827b2f7a0fa17c391e00a0e532263fd0167aeaeb0456f96cfe3ae4

Download Submit
memory/820-50-0x0000000000400000-0x0000000000960000-memory.dmp

Filesize
5.4MB

Download
memory/820-32-0x0000000000400000-0x0000000000960000-memory.dmp

Filesize
5.4MB

Download
memory/820-33-0x0000000000400000-0x0000000000960000-memory.dmp

Filesize
5.4MB

Download
memory/820-31-0x0000000000400000-0x0000000000960000-memory.dmp

Filesize
5.4MB

Download
memory/2376-37-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2376-42-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2376-45-0x0000000010000000-0x0000000010029000-memory.dmp

Filesize
164KB

Download
memory/2376-36-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2376-38-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3248-17-0x0000000000400000-0x0000000000960000-memory.dmp

Filesize
5.4MB

Download
memory/3248-51-0x0000000000400000-0x0000000000960000-memory.dmp

Filesize
5.4MB

Download
memory/3248-15-0x0000000000400000-0x0000000000960000-memory.dmp

Filesize
5.4MB

Download
memory/3248-16-0x0000000000400000-0x0000000000960000-memory.dmp

Filesize
5.4MB

Download
memory/3248-14-0x0000000000400000-0x0000000000960000-memory.dmp

Filesize
5.4MB

Download