blackmoon | 819dcc47c389e054b238c84ba72d871d18d7da3eb93883ebdedb0dd672467ba0

General

Target

819dcc47c389e054b238c84ba72d871d18d7da3eb93883ebdedb0dd672467ba0.exe
Size

5.2MB
MD5

4257f3587ecbd781c822549d7120e937
SHA1

f392b377fe09e8e8017a40ccbbfc0c96fcb4b887
SHA256

819dcc47c389e054b238c84ba72d871d18d7da3eb93883ebdedb0dd672467ba0
SHA512

ab5572ac96d9a2e86c924bc4b5f176c38bb60f69adb2c624da6ea44619dd086ff59bc67da02f350148f8295c67ecec58395d6c450816d5350301fc000ab9f696
SSDEEP

98304:4UT8DFGXgUOyFH2Wjz0Pj2M/W3KkwtfuSNWIjjMG5GbxnqzgzuEjM3jnr:4UcUXMiox/VuKB5GbBigvj2jnr

Score

10^/10

blackmoon banker 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 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1264-55-0x0000000000400000-0x00000000011DA000-memory.dmp	family_blackmoon
behavioral1/memory/1264-56-0x0000000000400000-0x00000000011DA000-memory.dmp	family_blackmoon
behavioral1/memory/1264-57-0x0000000000400000-0x00000000011DA000-memory.dmp	family_blackmoon
behavioral1/memory/1264-58-0x0000000000400000-0x00000000011DA000-memory.dmp	family_blackmoon
behavioral1/memory/1264-65-0x0000000000400000-0x00000000011DA000-memory.dmp	family_blackmoon

Executes dropped EXE 2 IoCs

Processes:

NSudo.exe

pid process

1560 NSudo.exe
1256
Loads dropped DLL 1 IoCs

Processes:

819dcc47c389e054b238c84ba72d871d18d7da3eb93883ebdedb0dd672467ba0.exe

pid process

1264 819dcc47c389e054b238c84ba72d871d18d7da3eb93883ebdedb0dd672467ba0.exe

pid	process
1560	NSudo.exe
1256

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

819dcc47c389e054b238c84ba72d871d18d7da3eb93883ebdedb0dd672467ba0.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436	819dcc47c389e054b238c84ba72d871d18d7da3eb93883ebdedb0dd672467ba0.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 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	819dcc47c389e054b238c84ba72d871d18d7da3eb93883ebdedb0dd672467ba0.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

819dcc47c389e054b238c84ba72d871d18d7da3eb93883ebdedb0dd672467ba0.exeNSudo.exe

pid	process
1264	819dcc47c389e054b238c84ba72d871d18d7da3eb93883ebdedb0dd672467ba0.exe
1264	819dcc47c389e054b238c84ba72d871d18d7da3eb93883ebdedb0dd672467ba0.exe
1560	NSudo.exe
1560	NSudo.exe
1264	819dcc47c389e054b238c84ba72d871d18d7da3eb93883ebdedb0dd672467ba0.exe
1264	819dcc47c389e054b238c84ba72d871d18d7da3eb93883ebdedb0dd672467ba0.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

NSudo.exe

description pid process

Token: 64424509460 1560 NSudo.exe

description	pid	process
Token: 64424509460	1560	NSudo.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

819dcc47c389e054b238c84ba72d871d18d7da3eb93883ebdedb0dd672467ba0.exe

pid	process
1264	819dcc47c389e054b238c84ba72d871d18d7da3eb93883ebdedb0dd672467ba0.exe
1264	819dcc47c389e054b238c84ba72d871d18d7da3eb93883ebdedb0dd672467ba0.exe
1264	819dcc47c389e054b238c84ba72d871d18d7da3eb93883ebdedb0dd672467ba0.exe

Suspicious use of SendNotifyMessage 3 IoCs

Processes:

819dcc47c389e054b238c84ba72d871d18d7da3eb93883ebdedb0dd672467ba0.exe

pid	process
1264	819dcc47c389e054b238c84ba72d871d18d7da3eb93883ebdedb0dd672467ba0.exe
1264	819dcc47c389e054b238c84ba72d871d18d7da3eb93883ebdedb0dd672467ba0.exe
1264	819dcc47c389e054b238c84ba72d871d18d7da3eb93883ebdedb0dd672467ba0.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

819dcc47c389e054b238c84ba72d871d18d7da3eb93883ebdedb0dd672467ba0.exe

pid	process
1264	819dcc47c389e054b238c84ba72d871d18d7da3eb93883ebdedb0dd672467ba0.exe
1264	819dcc47c389e054b238c84ba72d871d18d7da3eb93883ebdedb0dd672467ba0.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

819dcc47c389e054b238c84ba72d871d18d7da3eb93883ebdedb0dd672467ba0.exe

description	pid	process	target process
PID 1264 wrote to memory of 1560	1264	819dcc47c389e054b238c84ba72d871d18d7da3eb93883ebdedb0dd672467ba0.exe	NSudo.exe
PID 1264 wrote to memory of 1560	1264	819dcc47c389e054b238c84ba72d871d18d7da3eb93883ebdedb0dd672467ba0.exe	NSudo.exe
PID 1264 wrote to memory of 1560	1264	819dcc47c389e054b238c84ba72d871d18d7da3eb93883ebdedb0dd672467ba0.exe	NSudo.exe
PID 1264 wrote to memory of 1560	1264	819dcc47c389e054b238c84ba72d871d18d7da3eb93883ebdedb0dd672467ba0.exe	NSudo.exe

C:\Users\Admin\AppData\Local\Temp\819dcc47c389e054b238c84ba72d871d18d7da3eb93883ebdedb0dd672467ba0.exe
"C:\Users\Admin\AppData\Local\Temp\819dcc47c389e054b238c84ba72d871d18d7da3eb93883ebdedb0dd672467ba0.exe"
1⤵
- Loads dropped DLL
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1264
- C:\Users\Admin\AppData\Local\Temp\tuzi_nsudo\NSudo.exe
  "C:\Users\Admin\AppData\Local\Temp\tuzi_nsudo\NSudo.exe" -U:S "C:\Users\Admin\AppData\Local\Temp\819dcc47c389e054b238c84ba72d871d18d7da3eb93883ebdedb0dd672467ba0.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1560

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tuzi_nsudo\NSudo.exe

Filesize
247KB

MD5
5cae01aea8ed390ce9bec17b6c1237e4

SHA1
3a80a49efaac5d839400e4fb8f803243fb39a513

SHA256
19896a23d7b054625c2f6b1ee1551a0da68ad25cddbb24510a3b74578418e618

SHA512
c8e54c92133ba686238ea554c1cd82ba441db5fd4b0cbd5082d5eb4ddfcedd15506b9dac553459d0b2221c75778241f926ed3eef64571e4b1e0eb6f80ff9b481

Download Submit
C:\Users\Admin\AppData\Local\Temp\tuzi_nsudo\NSudo.json

Filesize
211B

MD5
922322fab45a284dbb248760125dfb1c

SHA1
120e77b90baa85287b2ee5bc63ff7dcd149767b5

SHA256
254beac232a7bb20289b0608db5a0ccc69789fb8befe2bf3c76fa09953eea6f5

SHA512
899dc404559518e311343a0a71ef4f88e4820268ff821082400660647259594cb1a088359c75b17f4e0df85ea5ad91e49b3e86f636e95955c2c56f1e667f4aaf

Download Submit
\Users\Admin\AppData\Local\Temp\tuzi_nsudo\NSudo.exe

Filesize
247KB

MD5
5cae01aea8ed390ce9bec17b6c1237e4

SHA1
3a80a49efaac5d839400e4fb8f803243fb39a513

SHA256
19896a23d7b054625c2f6b1ee1551a0da68ad25cddbb24510a3b74578418e618

SHA512
c8e54c92133ba686238ea554c1cd82ba441db5fd4b0cbd5082d5eb4ddfcedd15506b9dac553459d0b2221c75778241f926ed3eef64571e4b1e0eb6f80ff9b481

Download Submit
\Users\Admin\AppData\Local\Temp\tuzi_nsudo\NSudo.exe

Filesize
247KB

MD5
5cae01aea8ed390ce9bec17b6c1237e4

SHA1
3a80a49efaac5d839400e4fb8f803243fb39a513

SHA256
19896a23d7b054625c2f6b1ee1551a0da68ad25cddbb24510a3b74578418e618

SHA512
c8e54c92133ba686238ea554c1cd82ba441db5fd4b0cbd5082d5eb4ddfcedd15506b9dac553459d0b2221c75778241f926ed3eef64571e4b1e0eb6f80ff9b481

Download Submit
memory/1264-54-0x0000000075A31000-0x0000000075A33000-memory.dmp

Filesize
8KB

Download
memory/1264-55-0x0000000000400000-0x00000000011DA000-memory.dmp

Filesize
13.9MB

Download
memory/1264-56-0x0000000000400000-0x00000000011DA000-memory.dmp

Filesize
13.9MB

Download
memory/1264-57-0x0000000000400000-0x00000000011DA000-memory.dmp

Filesize
13.9MB

Download
memory/1264-58-0x0000000000400000-0x00000000011DA000-memory.dmp

Filesize
13.9MB

Download
memory/1264-65-0x0000000000400000-0x00000000011DA000-memory.dmp

Filesize
13.9MB

Download
memory/1560-60-0x0000000000000000-mapping.dmp

Download
memory/1560-62-0x000007FEFB641000-0x000007FEFB643000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads