blackmoon | e68f08a021c90809c6075a9385a2b80cb025877ffa1a09b0b6c122c3d726e7c4

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 12:50

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General

Target

e68f08a021c90809c6075a9385a2b80cb025877ffa1a09b0b6c122c3d726e7c4.exe
Size

68KB
MD5

efe656f08bdd12531ee5da0f6e775912
SHA1

362e8920e4301fa6d8cf12cbceb75eb06b6635bc
SHA256

e68f08a021c90809c6075a9385a2b80cb025877ffa1a09b0b6c122c3d726e7c4
SHA512

23328ca70828e9977a06f6525d5beda6c5a9137778e4ded83307fcc40c9e1006b00a6e4315fdadb1629873e3a3ee94f513b3af0719ad9d7b04897e4299b1fdf3
SSDEEP

1536:HYL53ZzLd2QZO6wug6yohaL+obgGlvkW0GJ1d:HYV3Rd2QZ5foSGlx0u/

Score

10^/10

blackmoon banker persistence trojan

Malware Config

Signatures

Blackmoon, KrBanker
Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.
trojan banker blackmoon

Detect Blackmoon payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4604-135-0x0000000000400000-0x0000000000439000-memory.dmp	family_blackmoon
behavioral2/memory/836-137-0x0000000000400000-0x0000000000439000-memory.dmp	family_blackmoon
behavioral2/memory/836-139-0x0000000000400000-0x0000000000439000-memory.dmp	family_blackmoon

Executes dropped EXE 1 IoCs

Processes:

syotom.exe

pid process

836 syotom.exe

pid	process
836	syotom.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

e68f08a021c90809c6075a9385a2b80cb025877ffa1a09b0b6c122c3d726e7c4.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	e68f08a021c90809c6075a9385a2b80cb025877ffa1a09b0b6c122c3d726e7c4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\syotom = "C:\\Windows\\syotom.exe"	e68f08a021c90809c6075a9385a2b80cb025877ffa1a09b0b6c122c3d726e7c4.exe

Drops file in Windows directory 2 IoCs

Processes:

e68f08a021c90809c6075a9385a2b80cb025877ffa1a09b0b6c122c3d726e7c4.exe

description	ioc	process
File created	C:\Windows\syotom.exe	e68f08a021c90809c6075a9385a2b80cb025877ffa1a09b0b6c122c3d726e7c4.exe
File opened for modification	C:\Windows\syotom.exe	e68f08a021c90809c6075a9385a2b80cb025877ffa1a09b0b6c122c3d726e7c4.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

e68f08a021c90809c6075a9385a2b80cb025877ffa1a09b0b6c122c3d726e7c4.exe

description	pid	process	target process
PID 4604 wrote to memory of 836	4604	e68f08a021c90809c6075a9385a2b80cb025877ffa1a09b0b6c122c3d726e7c4.exe	syotom.exe
PID 4604 wrote to memory of 836	4604	e68f08a021c90809c6075a9385a2b80cb025877ffa1a09b0b6c122c3d726e7c4.exe	syotom.exe
PID 4604 wrote to memory of 836	4604	e68f08a021c90809c6075a9385a2b80cb025877ffa1a09b0b6c122c3d726e7c4.exe	syotom.exe

C:\Users\Admin\AppData\Local\Temp\e68f08a021c90809c6075a9385a2b80cb025877ffa1a09b0b6c122c3d726e7c4.exe
"C:\Users\Admin\AppData\Local\Temp\e68f08a021c90809c6075a9385a2b80cb025877ffa1a09b0b6c122c3d726e7c4.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4604

C:\Windows\syotom.exe
C:\Windows\syotom.exe
2⤵
- Executes dropped EXE
PID:836

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\syotom.exe

Filesize
68KB

MD5
efe656f08bdd12531ee5da0f6e775912

SHA1
362e8920e4301fa6d8cf12cbceb75eb06b6635bc

SHA256
e68f08a021c90809c6075a9385a2b80cb025877ffa1a09b0b6c122c3d726e7c4

SHA512
23328ca70828e9977a06f6525d5beda6c5a9137778e4ded83307fcc40c9e1006b00a6e4315fdadb1629873e3a3ee94f513b3af0719ad9d7b04897e4299b1fdf3

Download Submit
C:\Windows\syotom.exe

Filesize
68KB

MD5
efe656f08bdd12531ee5da0f6e775912

SHA1
362e8920e4301fa6d8cf12cbceb75eb06b6635bc

SHA256
e68f08a021c90809c6075a9385a2b80cb025877ffa1a09b0b6c122c3d726e7c4

SHA512
23328ca70828e9977a06f6525d5beda6c5a9137778e4ded83307fcc40c9e1006b00a6e4315fdadb1629873e3a3ee94f513b3af0719ad9d7b04897e4299b1fdf3

Download Submit
memory/836-132-0x0000000000000000-mapping.dmp

Download
memory/836-137-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/836-138-0x0000000000690000-0x0000000000693000-memory.dmp

Filesize
12KB

Download
memory/836-139-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/4604-135-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/4604-136-0x0000000002170000-0x0000000002173000-memory.dmp

Filesize
12KB

Download