blackmoon | b5dfd68d0085e04fa7f609b29f598fc7ea7ee7aa41a542f5195efc2c67038fe4

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
24-11-2024 17:58

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General

Target

b5dfd68d0085e04fa7f609b29f598fc7ea7ee7aa41a542f5195efc2c67038fe4.exe
Size

3.8MB
MD5

55bce90441ab33f3a3614d09f6e5a817
SHA1

97bfca4cd7a9433de2dc0772d43c5912dc6f0ff0
SHA256

b5dfd68d0085e04fa7f609b29f598fc7ea7ee7aa41a542f5195efc2c67038fe4
SHA512

109b42317ac2ead586f00a40501933f70a5e025f5fc56c8a128871c623659dc3096a0196e7ac35bf19c27ecf8006207dbd46578607d10af196338c52c173aba9
SSDEEP

49152:SGCOfN6X5tLLQTg20ITS/PPs/1kS4eKRL/SRsj0Zuur1T75YqVUrmNF98jW:X6XLq/qPPslzKx/dJg1ErmNT

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

Processes:

resource	yara_rule
behavioral1/memory/1480-0-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon
behavioral1/memory/1480-6-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon
behavioral1/files/0x0009000000012281-7.dat	family_blackmoon
behavioral1/memory/3004-8-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon

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

Executes dropped EXE 1 IoCs

Processes:

jjjdd.exe

pid	Process
3004	jjjdd.exe

UPX packed file 4 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1480-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx
behavioral1/memory/1480-6-0x0000000000400000-0x0000000000428000-memory.dmp	upx
behavioral1/files/0x0009000000012281-7.dat	upx
behavioral1/memory/3004-8-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
1884	3004	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

Processes:

b5dfd68d0085e04fa7f609b29f598fc7ea7ee7aa41a542f5195efc2c67038fe4.exejjjdd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b5dfd68d0085e04fa7f609b29f598fc7ea7ee7aa41a542f5195efc2c67038fe4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jjjdd.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

b5dfd68d0085e04fa7f609b29f598fc7ea7ee7aa41a542f5195efc2c67038fe4.exejjjdd.exe

description	pid	Process	procid_target
PID 1480 wrote to memory of 3004	1480	b5dfd68d0085e04fa7f609b29f598fc7ea7ee7aa41a542f5195efc2c67038fe4.exe	30
PID 1480 wrote to memory of 3004	1480	b5dfd68d0085e04fa7f609b29f598fc7ea7ee7aa41a542f5195efc2c67038fe4.exe	30
PID 1480 wrote to memory of 3004	1480	b5dfd68d0085e04fa7f609b29f598fc7ea7ee7aa41a542f5195efc2c67038fe4.exe	30
PID 1480 wrote to memory of 3004	1480	b5dfd68d0085e04fa7f609b29f598fc7ea7ee7aa41a542f5195efc2c67038fe4.exe	30
PID 3004 wrote to memory of 1884	3004	jjjdd.exe	31
PID 3004 wrote to memory of 1884	3004	jjjdd.exe	31
PID 3004 wrote to memory of 1884	3004	jjjdd.exe	31
PID 3004 wrote to memory of 1884	3004	jjjdd.exe	31

C:\Users\Admin\AppData\Local\Temp\b5dfd68d0085e04fa7f609b29f598fc7ea7ee7aa41a542f5195efc2c67038fe4.exe
"C:\Users\Admin\AppData\Local\Temp\b5dfd68d0085e04fa7f609b29f598fc7ea7ee7aa41a542f5195efc2c67038fe4.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1480
- \??\c:\jjjdd.exe
  c:\jjjdd.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3004
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3004 -s 36
    3⤵
    - Program crash
    PID:1884

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:\jjjdd.exe

Filesize
3.8MB

MD5
3e709183f5513442c7e5f5f09df30318

SHA1
ae48dc1b0fd89b940953f00758e21d51dfba9f2f

SHA256
7e0fd243f74719f4f79aae309a2b0ce7b34c241a74a06f8cf917f28e3a19ab9d

SHA512
930cc218775b8f990fcc735db662728c8dfd06679a14eaecd979af3e50e80235462046dd7b64fb8ae49c835ea3578828cdeb3ae73198d99bd53d0c9bea4183f3

Download Submit
memory/1480-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1480-6-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3004-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download