blackmoon | 552f2ef9e25bf909ae321e78cb67edd809a529f5a81021f68e47e8d4923fa752

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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 njrat 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
behavioral2/memory/2540-0-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon
behavioral2/memory/2540-5-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon
behavioral2/files/0x0008000000023cb2-4.dat	family_blackmoon
behavioral2/memory/1132-6-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon

Njrat family
njrat
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Executes dropped EXE 1 IoCs

pid	Process
1132	xxxrrfr.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2540-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx
behavioral2/memory/2540-5-0x0000000000400000-0x0000000000428000-memory.dmp	upx
behavioral2/files/0x0008000000023cb2-4.dat	upx
behavioral2/memory/1132-6-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3448	1132	WerFault.exe	82

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	552f2ef9e25bf909ae321e78cb67edd809a529f5a81021f68e47e8d4923fa752.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xxxrrfr.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2540 wrote to memory of 1132	2540	552f2ef9e25bf909ae321e78cb67edd809a529f5a81021f68e47e8d4923fa752.exe	82
PID 2540 wrote to memory of 1132	2540	552f2ef9e25bf909ae321e78cb67edd809a529f5a81021f68e47e8d4923fa752.exe	82
PID 2540 wrote to memory of 1132	2540	552f2ef9e25bf909ae321e78cb67edd809a529f5a81021f68e47e8d4923fa752.exe	82

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:2540
- \??\c:\xxxrrfr.exe
  c:\xxxrrfr.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1132
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1132 -s 224
    3⤵
    - Program crash
    PID:3448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1132 -ip 1132
1⤵
PID:4584

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:\xxxrrfr.exe

Filesize
2.3MB

MD5
08f35484cecb2f7ddfadb7d7fd4e3d25

SHA1
3bf6f807eaee4d7b7c3d4305731561c4309c79ac

SHA256
0b3ee62632c27cd445c0af5b3330974b46f07bd8b7f9097c5471ed0dcc3c8859

SHA512
c43f56119350e1040f35ccd362e0822ddcf9021bff1b5ce64252a9e797d68237210f3bd432e692e30d4776efe8a0071edb7bd2677d111339763ac28807965745

Download Submit
memory/1132-6-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2540-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2540-5-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download