blackmoon | b577f2a8d225570686321f698ff5ae91f4ea88116a06675da68b0d265977b1be

Analysis

max time kernel
92s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2024 14:26

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General

Target

b577f2a8d225570686321f698ff5ae91f4ea88116a06675da68b0d265977b1beN.exe
Size

3.8MB
MD5

2a14b2c15ba4ad26710d316cf3706780
SHA1

3dcb586815858105d66797e72a162d191cb4c9cb
SHA256

b577f2a8d225570686321f698ff5ae91f4ea88116a06675da68b0d265977b1be
SHA512

51857236951b51305c0eac52dd1bac99c66dd892e6f59c06bdfe2b7cb9eba353ccc39404c367d2cbcfc8340aaf6be0db0feb1fd6df2c5d046b8d1758274d0cee
SSDEEP

49152:3sCOfN6X5tLLQTg20ITS/PPs/1kS4eKRL/SRsj0Zuur1T75YqVUrmNF98q:Q6XLq/qPPslzKx/dJg1ErmNn

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/3024-0-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon
behavioral2/files/0x000a000000023c8f-3.dat	family_blackmoon
behavioral2/memory/3024-6-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon
behavioral2/memory/2788-5-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon

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

Executes dropped EXE 1 IoCs

pid	Process
2788	482222.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3024-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx
behavioral2/files/0x000a000000023c8f-3.dat	upx
behavioral2/memory/3024-6-0x0000000000400000-0x0000000000428000-memory.dmp	upx
behavioral2/memory/2788-5-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1836	2788	WerFault.exe	87

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	b577f2a8d225570686321f698ff5ae91f4ea88116a06675da68b0d265977b1beN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	482222.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3024 wrote to memory of 2788	3024	b577f2a8d225570686321f698ff5ae91f4ea88116a06675da68b0d265977b1beN.exe	87
PID 3024 wrote to memory of 2788	3024	b577f2a8d225570686321f698ff5ae91f4ea88116a06675da68b0d265977b1beN.exe	87
PID 3024 wrote to memory of 2788	3024	b577f2a8d225570686321f698ff5ae91f4ea88116a06675da68b0d265977b1beN.exe	87

C:\Users\Admin\AppData\Local\Temp\b577f2a8d225570686321f698ff5ae91f4ea88116a06675da68b0d265977b1beN.exe
"C:\Users\Admin\AppData\Local\Temp\b577f2a8d225570686321f698ff5ae91f4ea88116a06675da68b0d265977b1beN.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3024
- \??\c:\482222.exe
  c:\482222.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2788
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2788 -s 228
    3⤵
    - Program crash
    PID:1836

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2788 -ip 2788
1⤵
PID:1096

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:\482222.exe

Filesize
3.8MB

MD5
fc911586a17de606ee6d1485a396e069

SHA1
137e12877a0acc85f3dac0116b04ac196acc48c0

SHA256
c018fec642e5d4587525a28f3ce3587b1b2bb5ff62edd64e55550ed4660a4918

SHA512
52ab4c7d83b54041912c7247f37d5e4e25a5e542d4a81a4ae11f21c2e927e9349ffe55e45b36feb1e3c810b82fe711f2821d6c932e7293cc4e9eabb9c73d4efa

Download Submit
memory/2788-5-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3024-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3024-6-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download