blackmoon | a18764e20c4eb44612d0f9bbca1850cc77080e963accc79b2332fda9d28cafed

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
25/11/2024, 21:30

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General

Target

a18764e20c4eb44612d0f9bbca1850cc77080e963accc79b2332fda9d28cafedN.exe
Size

3.8MB
MD5

787a9834382da76353da50d1f3457a20
SHA1

efac79372ddce4fd32330755c832bc350a9474f3
SHA256

a18764e20c4eb44612d0f9bbca1850cc77080e963accc79b2332fda9d28cafed
SHA512

f08f7b4424740b74bdde00a4ff963e02a8c65ddfaee03dcb0c18737fa79fcc5a388024c6df956cbd18033b4dac99a79aed7c0588adafb65e72467d12adf058b1
SSDEEP

49152:SGCOfN6X5tLLQTg20ITS/PPs/1kS4eKRL/SRsj0Zuur1T75YqVUrmNF98jm:X6XLq/qPPslzKx/dJg1ErmNL

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/2628-1-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon
behavioral1/memory/2628-7-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon
behavioral1/memory/1704-8-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon
behavioral1/files/0x0007000000012118-6.dat	family_blackmoon

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

Executes dropped EXE 1 IoCs

pid	Process
1704	s4680.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2628-1-0x0000000000400000-0x0000000000428000-memory.dmp	upx
behavioral1/memory/2628-7-0x0000000000400000-0x0000000000428000-memory.dmp	upx
behavioral1/memory/1704-8-0x0000000000400000-0x0000000000428000-memory.dmp	upx
behavioral1/files/0x0007000000012118-6.dat	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2608	1704	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	a18764e20c4eb44612d0f9bbca1850cc77080e963accc79b2332fda9d28cafedN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	s4680.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2628 wrote to memory of 1704	2628	a18764e20c4eb44612d0f9bbca1850cc77080e963accc79b2332fda9d28cafedN.exe	30
PID 2628 wrote to memory of 1704	2628	a18764e20c4eb44612d0f9bbca1850cc77080e963accc79b2332fda9d28cafedN.exe	30
PID 2628 wrote to memory of 1704	2628	a18764e20c4eb44612d0f9bbca1850cc77080e963accc79b2332fda9d28cafedN.exe	30
PID 2628 wrote to memory of 1704	2628	a18764e20c4eb44612d0f9bbca1850cc77080e963accc79b2332fda9d28cafedN.exe	30
PID 1704 wrote to memory of 2608	1704	s4680.exe	31
PID 1704 wrote to memory of 2608	1704	s4680.exe	31
PID 1704 wrote to memory of 2608	1704	s4680.exe	31
PID 1704 wrote to memory of 2608	1704	s4680.exe	31

C:\Users\Admin\AppData\Local\Temp\a18764e20c4eb44612d0f9bbca1850cc77080e963accc79b2332fda9d28cafedN.exe
"C:\Users\Admin\AppData\Local\Temp\a18764e20c4eb44612d0f9bbca1850cc77080e963accc79b2332fda9d28cafedN.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2628
- \??\c:\s4680.exe
  c:\s4680.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1704
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1704 -s 36
    3⤵
    - Program crash
    PID:2608

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:\s4680.exe

Filesize
3.8MB

MD5
434873904c1c49777b6f6f20f4a8c092

SHA1
f56489b4d64f0cce0e83e3b852704525bf28fc54

SHA256
0eeb13b3ffdd57ee4a13de4ab40d39eadd9ba94c5f4ac3d4c4ec1962ec4449b3

SHA512
263b6c0d51109368fc5fc5bc060923971968beef9ec96762e1eae9869fdcfb2530ac242cf1cd971cd1fd1e86ad57d4d1e9aec91055751caee4d418b2daee45d6

Download Submit
memory/1704-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2628-1-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2628-7-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download