blackmoon | 552f2ef9e25bf909ae321e78cb67edd809a529f5a81021f68e47e8d4923fa752

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
31/12/2024, 16:25

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General

Target

552f2ef9e25bf909ae321e78cb67edd809a529f5a81021f68e47e8d4923fa752.exe
Size

2.3MB
MD5

bc055ee1a3e93a1f1cadb666d073aa39
SHA1

3a0d99190c69380ce01a088d7b8850debe4cf0f8
SHA256

552f2ef9e25bf909ae321e78cb67edd809a529f5a81021f68e47e8d4923fa752
SHA512

e77c8e75f9b1bce8136ebdb1807915f81c37d80f03e29b55cde6ee3c1755484b312254f86264ccc7dac54e65d68e4a7a4987b615af1b0f9fd2c986d6c3a36988
SSDEEP

24576:3qzIIUgC8d36kLBXlnB8j7v5Ta+hLLQ20JmXSeWwa1oWJQjk0svTS/PPsbb1hwRn:3sCOfN6X5tLLQTg20ITS/PPs/1kS4eW

Score

10^/10

blackmoon banker discovery trojan upx

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 4 IoCs

resource	yara_rule
behavioral1/memory/2384-0-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon
behavioral1/files/0x000b0000000122cf-5.dat	family_blackmoon
behavioral1/memory/2384-6-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon
behavioral1/memory/2528-8-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon

Executes dropped EXE 1 IoCs

pid	Process
2528	vvjpj.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2384-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx
behavioral1/files/0x000b0000000122cf-5.dat	upx
behavioral1/memory/2384-6-0x0000000000400000-0x0000000000428000-memory.dmp	upx
behavioral1/memory/2528-8-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2392	2528	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 2 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	vvjpj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	552f2ef9e25bf909ae321e78cb67edd809a529f5a81021f68e47e8d4923fa752.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 2528	2384	552f2ef9e25bf909ae321e78cb67edd809a529f5a81021f68e47e8d4923fa752.exe	30
PID 2384 wrote to memory of 2528	2384	552f2ef9e25bf909ae321e78cb67edd809a529f5a81021f68e47e8d4923fa752.exe	30
PID 2384 wrote to memory of 2528	2384	552f2ef9e25bf909ae321e78cb67edd809a529f5a81021f68e47e8d4923fa752.exe	30
PID 2384 wrote to memory of 2528	2384	552f2ef9e25bf909ae321e78cb67edd809a529f5a81021f68e47e8d4923fa752.exe	30
PID 2528 wrote to memory of 2392	2528	vvjpj.exe	31
PID 2528 wrote to memory of 2392	2528	vvjpj.exe	31
PID 2528 wrote to memory of 2392	2528	vvjpj.exe	31
PID 2528 wrote to memory of 2392	2528	vvjpj.exe	31

C:\Users\Admin\AppData\Local\Temp\552f2ef9e25bf909ae321e78cb67edd809a529f5a81021f68e47e8d4923fa752.exe
"C:\Users\Admin\AppData\Local\Temp\552f2ef9e25bf909ae321e78cb67edd809a529f5a81021f68e47e8d4923fa752.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2384
- \??\c:\vvjpj.exe
  c:\vvjpj.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2528
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2528 -s 36
    3⤵
    - Program crash
    PID:2392

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\vvjpj.exe

Filesize
2.3MB

MD5
d7a15c41c29e76af1f998c0f53f517fc

SHA1
c1cc6ca8a5c5eaa63bc9191f2457e0b13e46c6b4

SHA256
98e27dd35ad91a3d009cf2f0982347664ea12470e08e4577102e7f65c9db79da

SHA512
987c770f403b0d89de0c8abe750f33d38685614fe40fe9e2cda485dd3341b543347e645e420d04e18ada4c561bd4adcd1ecf22230f9fce0cbc6b7b823c5bc325

Download Submit
memory/2384-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2384-6-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2528-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download