blackmoon | c8b6485ac16fe166abc99a14f01d1ff671826e2f0c500990a9ad7a75c4bc6287

Analysis

max time kernel
15s
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 02:25

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General

Target

c8b6485ac16fe166abc99a14f01d1ff671826e2f0c500990a9ad7a75c4bc6287.exe
Size

3.8MB
MD5

e60cfc2e304799b448985433439dc95c
SHA1

08ccfabaeb6e4a732c78f188c21337188ef4039e
SHA256

c8b6485ac16fe166abc99a14f01d1ff671826e2f0c500990a9ad7a75c4bc6287
SHA512

cc2d5071f71aa04092f5968a68680d3b17f584bb8f9a7d0c58fdcf4797d136b5e267adc01abdcc1bc6db933f5e38a1dda1aa02f8d6aa56670d3cc1a12589c82f
SSDEEP

49152:3sCOfN6X5tLLQTg20ITS/PPs/1kS4eKRL/SRsj0Zuur1T75YqVUrmNF98K:Q6XLq/qPPslzKx/dJg1ErmN3

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/3056-0-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon
behavioral1/memory/2060-8-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon
behavioral1/files/0x00080000000120f9-7.dat	family_blackmoon
behavioral1/memory/3056-6-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon

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

Executes dropped EXE 1 IoCs

pid	Process
2060	nhnbnn.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3056-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx
behavioral1/memory/2060-8-0x0000000000400000-0x0000000000428000-memory.dmp	upx
behavioral1/files/0x00080000000120f9-7.dat	upx
behavioral1/memory/3056-6-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2348	2060	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	c8b6485ac16fe166abc99a14f01d1ff671826e2f0c500990a9ad7a75c4bc6287.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nhnbnn.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3056 wrote to memory of 2060	3056	c8b6485ac16fe166abc99a14f01d1ff671826e2f0c500990a9ad7a75c4bc6287.exe	30
PID 3056 wrote to memory of 2060	3056	c8b6485ac16fe166abc99a14f01d1ff671826e2f0c500990a9ad7a75c4bc6287.exe	30
PID 3056 wrote to memory of 2060	3056	c8b6485ac16fe166abc99a14f01d1ff671826e2f0c500990a9ad7a75c4bc6287.exe	30
PID 3056 wrote to memory of 2060	3056	c8b6485ac16fe166abc99a14f01d1ff671826e2f0c500990a9ad7a75c4bc6287.exe	30
PID 2060 wrote to memory of 2348	2060	nhnbnn.exe	31
PID 2060 wrote to memory of 2348	2060	nhnbnn.exe	31
PID 2060 wrote to memory of 2348	2060	nhnbnn.exe	31
PID 2060 wrote to memory of 2348	2060	nhnbnn.exe	31

C:\Users\Admin\AppData\Local\Temp\c8b6485ac16fe166abc99a14f01d1ff671826e2f0c500990a9ad7a75c4bc6287.exe
"C:\Users\Admin\AppData\Local\Temp\c8b6485ac16fe166abc99a14f01d1ff671826e2f0c500990a9ad7a75c4bc6287.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3056
- \??\c:\nhnbnn.exe
  c:\nhnbnn.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2060
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2060 -s 36
    3⤵
    - Program crash
    PID:2348

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:\nhnbnn.exe

Filesize
3.8MB

MD5
754d87b089e5337723a16dffd20fa48e

SHA1
94f908b2841ec748df6d6a7c0a79d3e38a64a650

SHA256
81dfe153c578885e63933584cfac1cd8f613313594acc3a65668d29b5efaae56

SHA512
cc6b18368f85e311302399940d2a87a83236d9649d9287e49b59eaa213cf45288bea9bdbeb2675afcbdef3c67abeaf03cc1fc6f166e6a5c7c2fb7edd1641911c

Download Submit
memory/2060-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3056-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3056-6-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download