blackmoon | 6e3f20f269212279a3fb258d1a1e29d654f5c8225bbfe093dc62ba00aad7dd3a

Analysis

max time kernel
148s
max time network
124s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
01-07-2024 06:26

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General

Target

6e3f20f269212279a3fb258d1a1e29d654f5c8225bbfe093dc62ba00aad7dd3a.exe
Size

13.4MB
MD5

7b4e56ccb09e914c19f686cec6653973
SHA1

2efca5d585f559fa4aae31a98e2ac0909c524a02
SHA256

6e3f20f269212279a3fb258d1a1e29d654f5c8225bbfe093dc62ba00aad7dd3a
SHA512

8c85f818cd64053a430ee664011e8ae226b11a9f3c9384a3af820a451feedd07ace0ad509d6c3fd90bae8cea56bf392b0b369577536f4b7088f7f945d18c22a4
SSDEEP

393216:lC9P3+A504fHfckZrM+p9I0JAqacLqY+jTaxmTAE5:szidkZLJB2D3T

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 1 IoCs

Processes:

resource yara_rule

behavioral1/memory/2924-37-0x0000000000400000-0x0000000001B3F000-memory.dmp family_blackmoon
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.

Processes:

resource yara_rule

\Users\Admin\AppData\Roaming\Downloader\libcurl.dll acprotect
Executes dropped EXE 1 IoCs

Processes:

aria2c.exe

pid process

2360 aria2c.exe
Loads dropped DLL 3 IoCs

Processes:

6e3f20f269212279a3fb258d1a1e29d654f5c8225bbfe093dc62ba00aad7dd3a.exe

pid process

2924 6e3f20f269212279a3fb258d1a1e29d654f5c8225bbfe093dc62ba00aad7dd3a.exe
2924 6e3f20f269212279a3fb258d1a1e29d654f5c8225bbfe093dc62ba00aad7dd3a.exe
2512

resource	yara_rule
behavioral1/memory/2924-37-0x0000000000400000-0x0000000001B3F000-memory.dmp	family_blackmoon

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

pid	process
2360	aria2c.exe

pid	process
2924	6e3f20f269212279a3fb258d1a1e29d654f5c8225bbfe093dc62ba00aad7dd3a.exe
2924	6e3f20f269212279a3fb258d1a1e29d654f5c8225bbfe093dc62ba00aad7dd3a.exe
2512

UPX packed file 10 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2924-4-0x0000000000400000-0x0000000001B3F000-memory.dmp	upx
behavioral1/memory/2924-9-0x0000000003920000-0x00000000039DE000-memory.dmp	upx
\Users\Admin\AppData\Roaming\Downloader\libcurl.dll	upx
behavioral1/memory/2924-21-0x00000000745D0000-0x000000007478F000-memory.dmp	upx
behavioral1/memory/2924-38-0x00000000745D0000-0x000000007478F000-memory.dmp	upx
behavioral1/memory/2924-37-0x0000000000400000-0x0000000001B3F000-memory.dmp	upx
behavioral1/memory/2924-53-0x00000000745D0000-0x000000007478F000-memory.dmp	upx
behavioral1/memory/2924-71-0x00000000745D0000-0x000000007478F000-memory.dmp	upx
behavioral1/memory/2924-80-0x00000000745D0000-0x000000007478F000-memory.dmp	upx
behavioral1/memory/2924-83-0x00000000745D0000-0x000000007478F000-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 1 IoCs

Processes:

6e3f20f269212279a3fb258d1a1e29d654f5c8225bbfe093dc62ba00aad7dd3a.exe

pid process

2924 6e3f20f269212279a3fb258d1a1e29d654f5c8225bbfe093dc62ba00aad7dd3a.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

6e3f20f269212279a3fb258d1a1e29d654f5c8225bbfe093dc62ba00aad7dd3a.exe

description pid process

Token: SeDebugPrivilege 2924 6e3f20f269212279a3fb258d1a1e29d654f5c8225bbfe093dc62ba00aad7dd3a.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

6e3f20f269212279a3fb258d1a1e29d654f5c8225bbfe093dc62ba00aad7dd3a.exe

pid process

2924 6e3f20f269212279a3fb258d1a1e29d654f5c8225bbfe093dc62ba00aad7dd3a.exe
2924 6e3f20f269212279a3fb258d1a1e29d654f5c8225bbfe093dc62ba00aad7dd3a.exe

pid	process
2924	6e3f20f269212279a3fb258d1a1e29d654f5c8225bbfe093dc62ba00aad7dd3a.exe

description	pid	process
Token: SeDebugPrivilege	2924	6e3f20f269212279a3fb258d1a1e29d654f5c8225bbfe093dc62ba00aad7dd3a.exe

pid	process
2924	6e3f20f269212279a3fb258d1a1e29d654f5c8225bbfe093dc62ba00aad7dd3a.exe
2924	6e3f20f269212279a3fb258d1a1e29d654f5c8225bbfe093dc62ba00aad7dd3a.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

6e3f20f269212279a3fb258d1a1e29d654f5c8225bbfe093dc62ba00aad7dd3a.exe

description	pid	process	target process
PID 2924 wrote to memory of 2360	2924	6e3f20f269212279a3fb258d1a1e29d654f5c8225bbfe093dc62ba00aad7dd3a.exe	aria2c.exe
PID 2924 wrote to memory of 2360	2924	6e3f20f269212279a3fb258d1a1e29d654f5c8225bbfe093dc62ba00aad7dd3a.exe	aria2c.exe
PID 2924 wrote to memory of 2360	2924	6e3f20f269212279a3fb258d1a1e29d654f5c8225bbfe093dc62ba00aad7dd3a.exe	aria2c.exe
PID 2924 wrote to memory of 2360	2924	6e3f20f269212279a3fb258d1a1e29d654f5c8225bbfe093dc62ba00aad7dd3a.exe	aria2c.exe

C:\Users\Admin\AppData\Local\Temp\6e3f20f269212279a3fb258d1a1e29d654f5c8225bbfe093dc62ba00aad7dd3a.exe
"C:\Users\Admin\AppData\Local\Temp\6e3f20f269212279a3fb258d1a1e29d654f5c8225bbfe093dc62ba00aad7dd3a.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2924

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=2924
2⤵
- Executes dropped EXE
PID:2360

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\aria2.conf
Filesize
55KB

MD5
4a1b71ede6ff12456038f6a26e356a42

SHA1
16af6552ebbeb0300d1451715add745e840ff993

SHA256
0ee9c9e686a595f86d25854bca6e92e8bfd51437a28306b4eaebf736156cc7ee

SHA512
bea15214c76083c86f4104e569bb93ba7000e4e555382b6cc97e0c9bdb6b4de72f50b8458d4c3420e073edefe4f40b7eea580000001d089fd5c78e303fbd8501

Download Submit
\Users\Admin\AppData\Roaming\Downloader\aria2c.exe
Filesize
4.8MB

MD5
a5c047f169471bd325552c255d6c04af

SHA1
e313cff2f3d668ec5d0e90920bd622b0f38aed9d

SHA256
cec8bb942475690363c1558fdf55e3cf59f29607967a822a626d4976a348334a

SHA512
6cf929d36ea0c95815d3218a3b11f0c8f539a6113c368642a70d41379145ba7ace9aed1e5b78836a4cd2ca861d9bcd10fea3e7fc126adb85822ed4cf4f762f0d

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

MD5
b8d07f6ebe3d5473fa6e5c4aa3670bd6

SHA1
0300e9767e9ebe8f7ba88beea16e08c51549ea86

SHA256
927b9c233435dcde129586d0be8351c165adbc2d35bfb63d9b557abe8dc10703

SHA512
866a67e890456fd7b94d3d55b293a124053c75a56c7ef3d646329ec8ab300c365b319ab09daad81644a13a17803a663a426e0a4b78761082ae0b6ab590886efd

Download Submit
memory/2360-39-0x0000000000400000-0x00000000008CE000-memory.dmp

Filesize
4.8MB

Download
memory/2924-11-0x0000000076500000-0x0000000076610000-memory.dmp

Filesize
1.1MB

Download
memory/2924-5-0x00000000003D0000-0x00000000003EA000-memory.dmp

Filesize
104KB

Download
memory/2924-6-0x0000000076514000-0x0000000076515000-memory.dmp

Filesize
4KB

Download
memory/2924-8-0x0000000076500000-0x0000000076610000-memory.dmp

Filesize
1.1MB

Download
memory/2924-21-0x00000000745D0000-0x000000007478F000-memory.dmp

Filesize
1.7MB

Download
memory/2924-20-0x0000000076500000-0x0000000076610000-memory.dmp

Filesize
1.1MB

Download
memory/2924-19-0x0000000076500000-0x0000000076610000-memory.dmp

Filesize
1.1MB

Download
memory/2924-18-0x0000000076500000-0x0000000076610000-memory.dmp

Filesize
1.1MB

Download
memory/2924-17-0x0000000076500000-0x0000000076610000-memory.dmp

Filesize
1.1MB

Download
memory/2924-16-0x0000000076500000-0x0000000076610000-memory.dmp

Filesize
1.1MB

Download
memory/2924-15-0x0000000076500000-0x0000000076610000-memory.dmp

Filesize
1.1MB

Download
memory/2924-12-0x0000000076500000-0x0000000076610000-memory.dmp

Filesize
1.1MB

Download
memory/2924-0-0x0000000010000000-0x0000000010116000-memory.dmp

Filesize
1.1MB

Download
memory/2924-22-0x0000000076500000-0x0000000076610000-memory.dmp

Filesize
1.1MB

Download
memory/2924-7-0x0000000076500000-0x0000000076610000-memory.dmp

Filesize
1.1MB

Download
memory/2924-9-0x0000000003920000-0x00000000039DE000-memory.dmp

Filesize
760KB

Download
memory/2924-38-0x00000000745D0000-0x000000007478F000-memory.dmp

Filesize
1.7MB

Download
memory/2924-37-0x0000000000400000-0x0000000001B3F000-memory.dmp

Filesize
23.2MB

Download
memory/2924-41-0x0000000076500000-0x0000000076610000-memory.dmp

Filesize
1.1MB

Download
memory/2924-42-0x0000000076500000-0x0000000076610000-memory.dmp

Filesize
1.1MB

Download
memory/2924-40-0x00000000003D0000-0x00000000003EA000-memory.dmp

Filesize
104KB

Download
memory/2924-4-0x0000000000400000-0x0000000001B3F000-memory.dmp

Filesize
23.2MB

Download
memory/2924-46-0x0000000076500000-0x0000000076610000-memory.dmp

Filesize
1.1MB

Download
memory/2924-45-0x0000000076514000-0x0000000076515000-memory.dmp

Filesize
4KB

Download
memory/2924-47-0x0000000076500000-0x0000000076610000-memory.dmp

Filesize
1.1MB

Download
memory/2924-53-0x00000000745D0000-0x000000007478F000-memory.dmp

Filesize
1.7MB

Download
memory/2924-71-0x00000000745D0000-0x000000007478F000-memory.dmp

Filesize
1.7MB

Download
memory/2924-80-0x00000000745D0000-0x000000007478F000-memory.dmp

Filesize
1.7MB

Download
memory/2924-83-0x00000000745D0000-0x000000007478F000-memory.dmp

Filesize
1.7MB

Download