blackmoon | b577f2a8d225570686321f698ff5ae91f4ea88116a06675da68b0d265977b1be

Analysis

max time kernel
17s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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
behavioral1/memory/2440-0-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon
behavioral1/memory/2848-8-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon
behavioral1/files/0x000d000000012262-7.dat	family_blackmoon
behavioral1/memory/2440-6-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon

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

Executes dropped EXE 1 IoCs

pid	Process
2848	nbbbnt.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2440-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx
behavioral1/memory/2848-8-0x0000000000400000-0x0000000000428000-memory.dmp	upx
behavioral1/files/0x000d000000012262-7.dat	upx
behavioral1/memory/2440-6-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2120	2848	WerFault.exe	28

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

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 2848	2440	b577f2a8d225570686321f698ff5ae91f4ea88116a06675da68b0d265977b1beN.exe	28
PID 2440 wrote to memory of 2848	2440	b577f2a8d225570686321f698ff5ae91f4ea88116a06675da68b0d265977b1beN.exe	28
PID 2440 wrote to memory of 2848	2440	b577f2a8d225570686321f698ff5ae91f4ea88116a06675da68b0d265977b1beN.exe	28
PID 2440 wrote to memory of 2848	2440	b577f2a8d225570686321f698ff5ae91f4ea88116a06675da68b0d265977b1beN.exe	28
PID 2848 wrote to memory of 2120	2848	nbbbnt.exe	29
PID 2848 wrote to memory of 2120	2848	nbbbnt.exe	29
PID 2848 wrote to memory of 2120	2848	nbbbnt.exe	29
PID 2848 wrote to memory of 2120	2848	nbbbnt.exe	29

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:2440
- \??\c:\nbbbnt.exe
  c:\nbbbnt.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2848
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2848 -s 36
    3⤵
    - Program crash
    PID:2120

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

Replay Monitor

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Downloads

C:\nbbbnt.exe

Filesize
3.8MB

MD5
1f1f1a5833befb54114596e581b5879f

SHA1
75671b150adbc7d1db29f18b77ca7aa9143082d7

SHA256
4f83914bd7f4b9fe2418e1f4593b83346e93545f33da862552f98f4853543120

SHA512
30b2488556e119b26fda49cf6e35605321f4da73beccb3746d3ebd4a73c96c91ecb315c4f8258a1c7c71163ea08261d8a440473618bbed16aa335d604504b897

Download Submit
memory/2440-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2440-6-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2848-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download