blackmoon | e7a3e19805a91aa43c6f8f51f6876ce519ecdd87f7d744dbff4d5bf99e44aba3

Analysis

max time kernel
16s
max time network
16s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30/11/2024, 06:34

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General

Target

e7a3e19805a91aa43c6f8f51f6876ce519ecdd87f7d744dbff4d5bf99e44aba3N.exe
Size

2.1MB
MD5

a2df606598320e14f6e722ff23b9dfb0
SHA1

3bd628a57b717a78148cce337b4b2edcd693598c
SHA256

e7a3e19805a91aa43c6f8f51f6876ce519ecdd87f7d744dbff4d5bf99e44aba3
SHA512

bf243d8c0246c7c928e645a02e5f94c075ec41599d4b8100ea45d8cc420268cb4d84b15f82a030719f064a01a594457e9e7a5d3558e59da5bcfcca800efc812b
SSDEEP

24576:3qzIIUgC8d36kLBXlnB8j7v5Ta+hLLQ20JmXSeWwa1oWJQjk0svTS/PPsbb1hwR/:3sCOfN6X5tLLQTg20ITS/PPs/1k/

Score

10^/10

blackmoon 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 3 IoCs

resource	yara_rule
behavioral1/memory/1220-1-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon
behavioral1/files/0x000a00000001202c-5.dat	family_blackmoon
behavioral1/memory/1584-8-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon

Executes dropped EXE 1 IoCs

pid	Process
1584	vvvjd.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1220-1-0x0000000000400000-0x0000000000428000-memory.dmp	upx
behavioral1/files/0x000a00000001202c-5.dat	upx
behavioral1/memory/1584-8-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2248	1584	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	vvvjd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e7a3e19805a91aa43c6f8f51f6876ce519ecdd87f7d744dbff4d5bf99e44aba3N.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1220 wrote to memory of 1584	1220	e7a3e19805a91aa43c6f8f51f6876ce519ecdd87f7d744dbff4d5bf99e44aba3N.exe	30
PID 1220 wrote to memory of 1584	1220	e7a3e19805a91aa43c6f8f51f6876ce519ecdd87f7d744dbff4d5bf99e44aba3N.exe	30
PID 1220 wrote to memory of 1584	1220	e7a3e19805a91aa43c6f8f51f6876ce519ecdd87f7d744dbff4d5bf99e44aba3N.exe	30
PID 1220 wrote to memory of 1584	1220	e7a3e19805a91aa43c6f8f51f6876ce519ecdd87f7d744dbff4d5bf99e44aba3N.exe	30
PID 1584 wrote to memory of 2248	1584	vvvjd.exe	31
PID 1584 wrote to memory of 2248	1584	vvvjd.exe	31
PID 1584 wrote to memory of 2248	1584	vvvjd.exe	31
PID 1584 wrote to memory of 2248	1584	vvvjd.exe	31

C:\Users\Admin\AppData\Local\Temp\e7a3e19805a91aa43c6f8f51f6876ce519ecdd87f7d744dbff4d5bf99e44aba3N.exe
"C:\Users\Admin\AppData\Local\Temp\e7a3e19805a91aa43c6f8f51f6876ce519ecdd87f7d744dbff4d5bf99e44aba3N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1220
- \??\c:\vvvjd.exe
  c:\vvvjd.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1584
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1584 -s 36
    3⤵
    - Program crash
    PID:2248

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:\vvvjd.exe

Filesize
2.1MB

MD5
c6dfaa5b1cc9472c71e8f19ab472e343

SHA1
6feb5476214098681c631416b3a9c92865450199

SHA256
15902abe3b3af81c3d3446c854161491a72266aaf9b7496298f65e878b6aaa17

SHA512
5a53937fb98d1b79ce5087a00a5dc5bc9cbf5301a27fc9c98faac3e0fe1f8e28b9f8d6c123d306ca5381a5eb97a7f584cc724a13898364a77ace84b00dbf73ad

Download Submit
memory/1220-1-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1220-6-0x0000000000220000-0x0000000000248000-memory.dmp

Filesize
160KB

Download
memory/1220-9-0x0000000000220000-0x0000000000248000-memory.dmp

Filesize
160KB

Download
memory/1584-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download