blackmoon | 84fd010be9c5d88bf487c276672099e65e06ca0695624ecf8e1c923b1c33f01c

General

Target

5.exe
Size

4.1MB
MD5

d1e3796faa8febcb5727af4cf10fa912
SHA1

329a3ad3cdbb1c05ae60d5a7e232e11dc55ff4bb
SHA256

b568fd0c4e510808e3c4368f2a5ad7a579675a41e4d010541d3308dcc1ab0237
SHA512

1fe38416a1d868a506ac3ba317f0d306c9c8d6d8d6609b5d275944aa32faf29d30bd5a6df1fbf946bff942344e28926bc131204c29549c4d498f5089e006e499
SSDEEP

98304:hGGReDAApdZ4WATvMu3ehwtwrEEcm9GR+NcKJrJ10dqcx+MItpqcws:hGIAp74dL33h7QGR+KKJrnOH6

Score

10^/10

blackmoon banker persistence 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 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1340-63-0x0000000004470000-0x00000000044E8000-memory.dmp	family_blackmoon
behavioral1/memory/1340-62-0x0000000004470000-0x00000000044E8000-memory.dmp	family_blackmoon
behavioral1/memory/1340-65-0x0000000004470000-0x00000000044E8000-memory.dmp	family_blackmoon
behavioral1/memory/1340-95-0x0000000004470000-0x00000000044E8000-memory.dmp	family_blackmoon

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

5.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Windows\CurrentVersion\Run	5.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Windows\CurrentVersion\Run\qdate = "C:\\Users\\Public\\Documents\\Applicationcjrgw.exe"	5.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

5.exe

description	ioc	process
File opened (read-only)	\??\I:	5.exe
File opened (read-only)	\??\W:	5.exe
File opened (read-only)	\??\G:	5.exe
File opened (read-only)	\??\H:	5.exe
File opened (read-only)	\??\M:	5.exe
File opened (read-only)	\??\N:	5.exe
File opened (read-only)	\??\O:	5.exe
File opened (read-only)	\??\Q:	5.exe
File opened (read-only)	\??\R:	5.exe
File opened (read-only)	\??\S:	5.exe
File opened (read-only)	\??\E:	5.exe
File opened (read-only)	\??\J:	5.exe
File opened (read-only)	\??\U:	5.exe
File opened (read-only)	\??\Z:	5.exe
File opened (read-only)	\??\B:	5.exe
File opened (read-only)	\??\L:	5.exe
File opened (read-only)	\??\P:	5.exe
File opened (read-only)	\??\T:	5.exe
File opened (read-only)	\??\V:	5.exe
File opened (read-only)	\??\X:	5.exe
File opened (read-only)	\??\Y:	5.exe
File opened (read-only)	\??\F:	5.exe
File opened (read-only)	\??\K:	5.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

5.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	5.exe

Opens file in notepad (likely ransom note) 1 IoCs
ransomware

Processes:

NOTEPAD.EXE

pid process

2020 NOTEPAD.EXE

pid	process
2020	NOTEPAD.EXE

Suspicious behavior: EnumeratesProcesses 21 IoCs

Processes:

5.exe

pid	process
1340	5.exe
1340	5.exe
1340	5.exe
1340	5.exe
1340	5.exe
1340	5.exe
1340	5.exe
1340	5.exe
1340	5.exe
1340	5.exe
1340	5.exe
1340	5.exe
1340	5.exe
1340	5.exe
1340	5.exe
1340	5.exe
1340	5.exe
1340	5.exe
1340	5.exe
1340	5.exe
1340	5.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

5.exe

pid process

1340 5.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

5.exe

pid process

1340 5.exe
1340 5.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

5.exe

description	pid	process	target process
PID 1340 wrote to memory of 2020	1340	5.exe	NOTEPAD.EXE
PID 1340 wrote to memory of 2020	1340	5.exe	NOTEPAD.EXE
PID 1340 wrote to memory of 2020	1340	5.exe	NOTEPAD.EXE
PID 1340 wrote to memory of 2020	1340	5.exe	NOTEPAD.EXE

C:\Users\Admin\AppData\Local\Temp\5.exe
"C:\Users\Admin\AppData\Local\Temp\5.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1340
- C:\Windows\SysWOW64\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\5.txt
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:2020

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\5.txt

Filesize
120KB

MD5
3aea5b78bac5359a799c2714fecccd1a

SHA1
5d3203b328ecfc7a55c0ded1032d209e9f273367

SHA256
c05e763cab67cf9daf5be7a6a6cff2650223987a9693eaa119f69b2bbb6df6c3

SHA512
9513cc84a7ed3dd709d4affb03f6e286dcd43e82f33441c00a9d74d2b45449f2ee20baa8db46218d7a59d9e62fb7f95050ea305166e70f3e71dde39ccf07b6d3

Download Submit
C:\Users\Admin\AppData\Local\Temp\qxx.zip

Filesize
26B

MD5
17df3b34c7d09ae0ee694735fdeb7ecf

SHA1
2457cd98147c41b58c22593202d064e50bba6fd2

SHA256
b8c13f9c76fea2138a097498ba5d48108354baa6d00602b4d7eff6bbbf2eaf5c

SHA512
4c3518c4c59ca6750777efaeebae2d3c04790da3706ba78a6d60486b2945262103ce1e337aafe736932bf8d35b886816c9443450b5ade1ed06cde03bf567cd10

Download Submit
C:\Users\Public\Documents\sjsw.log

Filesize
158B

MD5
05591791ab888c970c3ba30997091533

SHA1
cea3c20f381e1d49942f07820e7f28694298324c

SHA256
f0541aa9e351f1400b1078f59d2ab7f4163690d08b3866910e5c51a9aa3cd55e

SHA512
b796b278952d89424fb485a1108461916cf0a78c7bfa0e57d770a73e7356b62d9161b8b9c4ab8b6cde785fc81377ff26749fa3af00b9b4657da0722c55e0da46

Download Submit
memory/1340-67-0x0000000004B80000-0x0000000004D00000-memory.dmp

Filesize
1.5MB

Download
memory/1340-56-0x0000000000400000-0x0000000000EF3000-memory.dmp

Filesize
10.9MB

Download
memory/1340-62-0x0000000004470000-0x00000000044E8000-memory.dmp

Filesize
480KB

Download
memory/1340-65-0x0000000004470000-0x00000000044E8000-memory.dmp

Filesize
480KB

Download
memory/1340-66-0x0000000003B30000-0x0000000003B33000-memory.dmp

Filesize
12KB

Download
memory/1340-54-0x0000000000400000-0x0000000000EF3000-memory.dmp

Filesize
10.9MB

Download
memory/1340-57-0x0000000000400000-0x0000000000EF3000-memory.dmp

Filesize
10.9MB

Download
memory/1340-63-0x0000000004470000-0x00000000044E8000-memory.dmp

Filesize
480KB

Download
memory/1340-55-0x0000000000400000-0x0000000000EF3000-memory.dmp

Filesize
10.9MB

Download
memory/1340-92-0x0000000004690000-0x0000000004691000-memory.dmp

Filesize
4KB

Download
memory/1340-93-0x0000000004930000-0x0000000004A40000-memory.dmp

Filesize
1.1MB

Download
memory/1340-94-0x0000000004630000-0x0000000004677000-memory.dmp

Filesize
284KB

Download
memory/1340-95-0x0000000004470000-0x00000000044E8000-memory.dmp

Filesize
480KB

Download
memory/1340-96-0x0000000000400000-0x0000000000EF3000-memory.dmp

Filesize
10.9MB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads