blackmoon | 57e54516bea0e42911417a040438b5279b73bbd8d68c615e6481c02929a81505

General

Target

57e54516bea0e42911417a040438b5279b73bbd8d68c615e6481c02929a81505.exe
Size

46KB
MD5

4609b7d2978af65aa0ee50644d11eb7a
SHA1

45686d4cdfd8050527248fc7e595ad08170636e7
SHA256

57e54516bea0e42911417a040438b5279b73bbd8d68c615e6481c02929a81505
SHA512

c4bd5a24373bc59b440a13ea872f525d987f205dcceecc608b9014f632ecef434a1fff283c3c47778c878a47fe470b997db47c054e2e50b755d142d22a27f47a
SSDEEP

768:ZCt2Uwed5HLjw0xPb7sHfVE8OaYSnyRm59vkx5be2uoDpxS9JnCte/K:ZCtHNd5rjR0a8I+vkPK2RS9JUei

Score

10^/10

blackmoon banker persistence trojan upx

Malware Config

Signatures

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

Detect Blackmoon payload 5 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4412-133-0x0000000000400000-0x000000000042A000-memory.dmp	family_blackmoon
behavioral2/memory/4412-134-0x0000000000400000-0x000000000042A000-memory.dmp	family_blackmoon
behavioral2/memory/2168-139-0x0000000000400000-0x000000000042A000-memory.dmp	family_blackmoon
behavioral2/memory/4412-140-0x0000000000400000-0x000000000042A000-memory.dmp	family_blackmoon
behavioral2/memory/2168-141-0x0000000000400000-0x000000000042A000-memory.dmp	family_blackmoon

Drops file in Drivers directory 2 IoCs

Processes:

syetom.exe

description	ioc	process
File opened for modification	C:\Windows\System32\drivers\etc\hosts.ics	syetom.exe
File created	C:\Windows\System32\drivers\etc\hosts.ics	syetom.exe

Executes dropped EXE 1 IoCs

Processes:

syetom.exe

pid process

2168 syetom.exe

pid	process
2168	syetom.exe

UPX packed file 5 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4412-133-0x0000000000400000-0x000000000042A000-memory.dmp	upx
behavioral2/memory/4412-134-0x0000000000400000-0x000000000042A000-memory.dmp	upx
behavioral2/memory/2168-139-0x0000000000400000-0x000000000042A000-memory.dmp	upx
behavioral2/memory/4412-140-0x0000000000400000-0x000000000042A000-memory.dmp	upx
behavioral2/memory/2168-141-0x0000000000400000-0x000000000042A000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

57e54516bea0e42911417a040438b5279b73bbd8d68c615e6481c02929a81505.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\software\WOW6432Node\microsoft\windows\CurrentVersion\Run	57e54516bea0e42911417a040438b5279b73bbd8d68c615e6481c02929a81505.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\syetom = "C:\\Program Files (x86)\\Nril\\syetom.exe"	57e54516bea0e42911417a040438b5279b73bbd8d68c615e6481c02929a81505.exe

Drops file in Program Files directory 2 IoCs

Processes:

57e54516bea0e42911417a040438b5279b73bbd8d68c615e6481c02929a81505.exe

description	ioc	process
File created	C:\Program Files (x86)\Nril\syetom.exe	57e54516bea0e42911417a040438b5279b73bbd8d68c615e6481c02929a81505.exe
File opened for modification	C:\Program Files (x86)\Nril\syetom.exe	57e54516bea0e42911417a040438b5279b73bbd8d68c615e6481c02929a81505.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:

57e54516bea0e42911417a040438b5279b73bbd8d68c615e6481c02929a81505.exe

description	pid	process	target process
PID 4412 wrote to memory of 2168	4412	57e54516bea0e42911417a040438b5279b73bbd8d68c615e6481c02929a81505.exe	syetom.exe
PID 4412 wrote to memory of 2168	4412	57e54516bea0e42911417a040438b5279b73bbd8d68c615e6481c02929a81505.exe	syetom.exe
PID 4412 wrote to memory of 2168	4412	57e54516bea0e42911417a040438b5279b73bbd8d68c615e6481c02929a81505.exe	syetom.exe

C:\Users\Admin\AppData\Local\Temp\57e54516bea0e42911417a040438b5279b73bbd8d68c615e6481c02929a81505.exe
"C:\Users\Admin\AppData\Local\Temp\57e54516bea0e42911417a040438b5279b73bbd8d68c615e6481c02929a81505.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:4412

C:\Program Files (x86)\Nril\syetom.exe
"C:\Program Files (x86)\Nril\syetom.exe"
2⤵
- Drops file in Drivers directory
- Executes dropped EXE
PID:2168

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Nril\syetom.exe
Filesize
46KB

MD5
4609b7d2978af65aa0ee50644d11eb7a

SHA1
45686d4cdfd8050527248fc7e595ad08170636e7

SHA256
57e54516bea0e42911417a040438b5279b73bbd8d68c615e6481c02929a81505

SHA512
c4bd5a24373bc59b440a13ea872f525d987f205dcceecc608b9014f632ecef434a1fff283c3c47778c878a47fe470b997db47c054e2e50b755d142d22a27f47a

Download Submit
C:\Program Files (x86)\Nril\syetom.exe
Filesize
46KB

MD5
4609b7d2978af65aa0ee50644d11eb7a

SHA1
45686d4cdfd8050527248fc7e595ad08170636e7

SHA256
57e54516bea0e42911417a040438b5279b73bbd8d68c615e6481c02929a81505

SHA512
c4bd5a24373bc59b440a13ea872f525d987f205dcceecc608b9014f632ecef434a1fff283c3c47778c878a47fe470b997db47c054e2e50b755d142d22a27f47a

Download Submit
memory/2168-135-0x0000000000000000-mapping.dmp

Download
memory/2168-139-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2168-141-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4412-132-0x0000000000430000-0x000000000043D000-memory.dmp

Filesize
52KB

Download
memory/4412-133-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4412-134-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4412-140-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads