blackmoon | fabc8a303bf5f6c919d71f955c960cf6e81ed74cce78ed8d5bcf212d37cdcb23

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 04:29

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General

Target

fabc8a303bf5f6c919d71f955c960cf6e81ed74cce78ed8d5bcf212d37cdcb23.exe
Size

13.6MB
MD5

d370b99f64875fa4cc7b741a94d92502
SHA1

4797e5d81ae10fb93bc889aeba63ae80b5acc5c6
SHA256

fabc8a303bf5f6c919d71f955c960cf6e81ed74cce78ed8d5bcf212d37cdcb23
SHA512

bf1a90dadaa10780cd8184f1135d82766b6dbdb0f6d00cda7f62fdfb1b488a42c26e496a75d7e6374c3b0f7a45897ca8b0e107789c32b45d72566782a6e9bf1d
SSDEEP

393216:MAn5edM99vf0zJpuVbL+xB+f165qeQVCc5v:L5sM9q7uJ+xBm8qvtp

Score

10^/10

blackmoon banker 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 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1524-22-0x0000000000400000-0x0000000001A40000-memory.dmp	family_blackmoon
behavioral2/memory/1524-43-0x0000000000400000-0x0000000001A40000-memory.dmp	family_blackmoon

ACProtect 1.3x - 1.4x DLL software 2 IoCs
Detects file using ACProtect software.

Processes:

resource yara_rule

C:\Users\Admin\AppData\Roaming\Downloader\libcurl.dll acprotect
C:\Users\Admin\AppData\Roaming\Downloader\ExuiKrnln.dll acprotect

resource	yara_rule
C:\Users\Admin\AppData\Roaming\Downloader\libcurl.dll	acprotect
C:\Users\Admin\AppData\Roaming\Downloader\ExuiKrnln.dll	acprotect

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

fabc8a303bf5f6c919d71f955c960cf6e81ed74cce78ed8d5bcf212d37cdcb23.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	fabc8a303bf5f6c919d71f955c960cf6e81ed74cce78ed8d5bcf212d37cdcb23.exe

Executes dropped EXE 1 IoCs

Processes:

aria2c.exe

pid process

4452 aria2c.exe
Loads dropped DLL 2 IoCs

Processes:

fabc8a303bf5f6c919d71f955c960cf6e81ed74cce78ed8d5bcf212d37cdcb23.exe

pid process

1524 fabc8a303bf5f6c919d71f955c960cf6e81ed74cce78ed8d5bcf212d37cdcb23.exe
1524 fabc8a303bf5f6c919d71f955c960cf6e81ed74cce78ed8d5bcf212d37cdcb23.exe

pid	process
4452	aria2c.exe

pid	process
1524	fabc8a303bf5f6c919d71f955c960cf6e81ed74cce78ed8d5bcf212d37cdcb23.exe
1524	fabc8a303bf5f6c919d71f955c960cf6e81ed74cce78ed8d5bcf212d37cdcb23.exe

UPX packed file 16 IoCs

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

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\Downloader\libcurl.dll	upx
behavioral2/memory/1524-5-0x0000000003F20000-0x0000000003FDE000-memory.dmp	upx
behavioral2/memory/1524-8-0x0000000000400000-0x0000000001A40000-memory.dmp	upx
behavioral2/memory/1524-17-0x00000000745E0000-0x000000007479F000-memory.dmp	upx
behavioral2/memory/1524-23-0x00000000745E0000-0x000000007479F000-memory.dmp	upx
behavioral2/memory/1524-22-0x0000000000400000-0x0000000001A40000-memory.dmp	upx
C:\Users\Admin\AppData\Roaming\Downloader\aria2c.exe	upx
behavioral2/memory/4452-30-0x0000000000400000-0x00000000008D2000-memory.dmp	upx
C:\Users\Admin\AppData\Roaming\Downloader\ExuiKrnln.dll	upx
behavioral2/memory/1524-36-0x00000000732F0000-0x0000000073415000-memory.dmp	upx
behavioral2/memory/1524-45-0x00000000732F0000-0x0000000073415000-memory.dmp	upx
behavioral2/memory/1524-44-0x00000000745E0000-0x000000007479F000-memory.dmp	upx
behavioral2/memory/1524-43-0x0000000000400000-0x0000000001A40000-memory.dmp	upx
behavioral2/memory/4452-46-0x0000000000400000-0x00000000008D2000-memory.dmp	upx
behavioral2/memory/1524-56-0x00000000745E0000-0x000000007479F000-memory.dmp	upx
behavioral2/memory/1524-92-0x00000000745E0000-0x000000007479F000-memory.dmp	upx

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

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

fabc8a303bf5f6c919d71f955c960cf6e81ed74cce78ed8d5bcf212d37cdcb23.exe

pid process

1524 fabc8a303bf5f6c919d71f955c960cf6e81ed74cce78ed8d5bcf212d37cdcb23.exe
1524 fabc8a303bf5f6c919d71f955c960cf6e81ed74cce78ed8d5bcf212d37cdcb23.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

fabc8a303bf5f6c919d71f955c960cf6e81ed74cce78ed8d5bcf212d37cdcb23.exe

description pid process

Token: SeDebugPrivilege 1524 fabc8a303bf5f6c919d71f955c960cf6e81ed74cce78ed8d5bcf212d37cdcb23.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

fabc8a303bf5f6c919d71f955c960cf6e81ed74cce78ed8d5bcf212d37cdcb23.exe

pid process

1524 fabc8a303bf5f6c919d71f955c960cf6e81ed74cce78ed8d5bcf212d37cdcb23.exe
1524 fabc8a303bf5f6c919d71f955c960cf6e81ed74cce78ed8d5bcf212d37cdcb23.exe

pid	process
1524	fabc8a303bf5f6c919d71f955c960cf6e81ed74cce78ed8d5bcf212d37cdcb23.exe
1524	fabc8a303bf5f6c919d71f955c960cf6e81ed74cce78ed8d5bcf212d37cdcb23.exe

description	pid	process
Token: SeDebugPrivilege	1524	fabc8a303bf5f6c919d71f955c960cf6e81ed74cce78ed8d5bcf212d37cdcb23.exe

pid	process
1524	fabc8a303bf5f6c919d71f955c960cf6e81ed74cce78ed8d5bcf212d37cdcb23.exe
1524	fabc8a303bf5f6c919d71f955c960cf6e81ed74cce78ed8d5bcf212d37cdcb23.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

fabc8a303bf5f6c919d71f955c960cf6e81ed74cce78ed8d5bcf212d37cdcb23.exe

description	pid	process	target process
PID 1524 wrote to memory of 4452	1524	fabc8a303bf5f6c919d71f955c960cf6e81ed74cce78ed8d5bcf212d37cdcb23.exe	aria2c.exe
PID 1524 wrote to memory of 4452	1524	fabc8a303bf5f6c919d71f955c960cf6e81ed74cce78ed8d5bcf212d37cdcb23.exe	aria2c.exe

C:\Users\Admin\AppData\Local\Temp\fabc8a303bf5f6c919d71f955c960cf6e81ed74cce78ed8d5bcf212d37cdcb23.exe
"C:\Users\Admin\AppData\Local\Temp\fabc8a303bf5f6c919d71f955c960cf6e81ed74cce78ed8d5bcf212d37cdcb23.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1524

C:\Users\Admin\AppData\Roaming\Downloader\aria2c.exe
"C:\Users\Admin\AppData\Roaming\Downloader\aria2c.exe" --conf-path="C:\Users\Admin\AppData\Roaming\Downloader\aria2.conf" #--save-session="C:\Users\Admin\AppData\Roaming\Downloader\aria2.session" --input-file="C:\Users\Admin\AppData\Roaming\Downloader\aria2.session" --rpc-listen-port=6288 --listen-port=6388 --dht-listen-port=6390 --enable-rpc=true --rpc-allow-origin-all=true --disable-ipv6=false --rpc-secret=123 --enable-dht=true --enable-dht6=true --dht-file-path="C:\Users\Admin\AppData\Roaming\Downloader\dht.dat" --dht-file-path6="C:\Users\Admin\AppData\Roaming\Downloader\dht6.dat" --bt-external-ip= --stop-with-process=1524
2⤵
- Executes dropped EXE
PID:4452

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Downloader\ExuiKrnln.dll
Filesize
391KB

MD5
4587e896480603dcd85a4956bb3609d7

SHA1
10e88bc0852939bc09bb24019f4dc310a2fd17ad

SHA256
70e5fdd3d67ec5f63b3796301d58200e8121d6b89cf072cde087ed18d0923483

SHA512
0a7649b12d416659a76815d8745590624bea0b4d754af39b71108fa9b186041a381e11136fa231bbd43ac6df1d8705e377bac391c6954c22228cece7a2bb323b

Download Submit
C:\Users\Admin\AppData\Roaming\Downloader\aria2.conf
Filesize
55KB

MD5
4a1b71ede6ff12456038f6a26e356a42

SHA1
16af6552ebbeb0300d1451715add745e840ff993

SHA256
0ee9c9e686a595f86d25854bca6e92e8bfd51437a28306b4eaebf736156cc7ee

SHA512
bea15214c76083c86f4104e569bb93ba7000e4e555382b6cc97e0c9bdb6b4de72f50b8458d4c3420e073edefe4f40b7eea580000001d089fd5c78e303fbd8501

Download Submit
C:\Users\Admin\AppData\Roaming\Downloader\aria2c.exe
Filesize
1.7MB

MD5
46d80f2e9618c8f1312e1d338f4218bc

SHA1
0eead18c40992324f5475d346317842352951e89

SHA256
0e895dc2044d74547d0a255a0d9b88bc42c27a19825821b2e65d36bb9b7d4f23

SHA512
3c66a2383b6a02458e8a7dccd7bf6ef6efc6657453909ddf2feca75d27445d5a75c9f00f0dabb1f109dea0ff9cd19de342a7fb7a495fee8b8bc11d69d1c8d0fc

Download Submit
C:\Users\Admin\AppData\Roaming\Downloader\libcurl.dll
Filesize
759KB

MD5
b8d07f6ebe3d5473fa6e5c4aa3670bd6

SHA1
0300e9767e9ebe8f7ba88beea16e08c51549ea86

SHA256
927b9c233435dcde129586d0be8351c165adbc2d35bfb63d9b557abe8dc10703

SHA512
866a67e890456fd7b94d3d55b293a124053c75a56c7ef3d646329ec8ab300c365b319ab09daad81644a13a17803a663a426e0a4b78761082ae0b6ab590886efd

Download Submit
memory/1524-23-0x00000000745E0000-0x000000007479F000-memory.dmp

Filesize
1.7MB

Download
memory/1524-42-0x00000000753B0000-0x00000000754A0000-memory.dmp

Filesize
960KB

Download
memory/1524-16-0x00000000753B0000-0x00000000754A0000-memory.dmp

Filesize
960KB

Download
memory/1524-17-0x00000000745E0000-0x000000007479F000-memory.dmp

Filesize
1.7MB

Download
memory/1524-13-0x00000000753B0000-0x00000000754A0000-memory.dmp

Filesize
960KB

Download
memory/1524-11-0x00000000753B0000-0x00000000754A0000-memory.dmp

Filesize
960KB

Download
memory/1524-10-0x00000000753D0000-0x00000000753D1000-memory.dmp

Filesize
4KB

Download
memory/1524-9-0x0000000010000000-0x000000001001A000-memory.dmp

Filesize
104KB

Download
memory/1524-15-0x00000000753B0000-0x00000000754A0000-memory.dmp

Filesize
960KB

Download
memory/1524-22-0x0000000000400000-0x0000000001A40000-memory.dmp

Filesize
22.2MB

Download
memory/1524-12-0x00000000753B0000-0x00000000754A0000-memory.dmp

Filesize
960KB

Download
memory/1524-92-0x00000000745E0000-0x000000007479F000-memory.dmp

Filesize
1.7MB

Download
memory/1524-8-0x0000000000400000-0x0000000001A40000-memory.dmp

Filesize
22.2MB

Download
memory/1524-5-0x0000000003F20000-0x0000000003FDE000-memory.dmp

Filesize
760KB

Download
memory/1524-36-0x00000000732F0000-0x0000000073415000-memory.dmp

Filesize
1.1MB

Download
memory/1524-41-0x00000000753B0000-0x00000000754A0000-memory.dmp

Filesize
960KB

Download
memory/1524-14-0x00000000753B0000-0x00000000754A0000-memory.dmp

Filesize
960KB

Download
memory/1524-45-0x00000000732F0000-0x0000000073415000-memory.dmp

Filesize
1.1MB

Download
memory/1524-44-0x00000000745E0000-0x000000007479F000-memory.dmp

Filesize
1.7MB

Download
memory/1524-43-0x0000000000400000-0x0000000001A40000-memory.dmp

Filesize
22.2MB

Download
memory/1524-56-0x00000000745E0000-0x000000007479F000-memory.dmp

Filesize
1.7MB

Download
memory/4452-46-0x0000000000400000-0x00000000008D2000-memory.dmp

Filesize
4.8MB

Download
memory/4452-30-0x0000000000400000-0x00000000008D2000-memory.dmp

Filesize
4.8MB

Download