blackmoon | a520fa28c62a821d17f059e6a2e06ffbcf6e65a5a5aa28dc72ebee42b46ffca2

General

Target

a520fa28c62a821d17f059e6a2e06ffbcf6e65a5a5aa28dc72ebee42b46ffca2.exe
Size

2.9MB
MD5

e42d1929b5179466c176cf2bae29f899
SHA1

c88ff0b920cf5c818b183f7166503ee2b7eadcdb
SHA256

a520fa28c62a821d17f059e6a2e06ffbcf6e65a5a5aa28dc72ebee42b46ffca2
SHA512

002346d8590da139ce7838a4fc20668a7a55773fd5faf9d4fe961a2dddd88033eba33cb1c54ffc6dd8ef038f1b65a92c7c1926060dfd0007625d57d4b8eeafa7
SSDEEP

24576:pCKzARimQzNe4Za8iX5FfrVjePHS1Q2d7VITbSAcQwKXo58OKIbs5ffzxGtm3qzx:pCQ1I5uPHE9xWnFItf/BTJBaQPGdwn5

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

resource	yara_rule
behavioral1/files/0x0008000000016ce6-21.dat	family_blackmoon
behavioral1/files/0x0008000000016ce6-22.dat	family_blackmoon
behavioral1/files/0x0007000000016cf4-23.dat	family_blackmoon
behavioral1/files/0x0007000000016cf4-24.dat	family_blackmoon
behavioral1/files/0x0007000000016cf4-27.dat	family_blackmoon

Downloads MZ/PE file

Executes dropped EXE 2 IoCs

pid	Process
2824	X52LG-1116A.exe
1760	X52LG-1116A.exe

Loads dropped DLL 1 IoCs

pid	Process
2824	X52LG-1116A.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\fktx.txt	a520fa28c62a821d17f059e6a2e06ffbcf6e65a5a5aa28dc72ebee42b46ffca2.exe
File created	C:\Windows\SysWOW64\X52lgOldFile.txt	a520fa28c62a821d17f059e6a2e06ffbcf6e65a5a5aa28dc72ebee42b46ffca2.exe
File opened for modification	C:\Windows\SysWOW64\fktx.txt	X52LG-1116A.exe

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

System Information Discovery
T1082

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1760	X52LG-1116A.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2584	a520fa28c62a821d17f059e6a2e06ffbcf6e65a5a5aa28dc72ebee42b46ffca2.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2584	a520fa28c62a821d17f059e6a2e06ffbcf6e65a5a5aa28dc72ebee42b46ffca2.exe
Token: SeDebugPrivilege	2824	X52LG-1116A.exe
Token: SeDebugPrivilege	1760	X52LG-1116A.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2584	a520fa28c62a821d17f059e6a2e06ffbcf6e65a5a5aa28dc72ebee42b46ffca2.exe
2584	a520fa28c62a821d17f059e6a2e06ffbcf6e65a5a5aa28dc72ebee42b46ffca2.exe
2824	X52LG-1116A.exe
2824	X52LG-1116A.exe
1760	X52LG-1116A.exe
1760	X52LG-1116A.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2584 wrote to memory of 2824	2584	a520fa28c62a821d17f059e6a2e06ffbcf6e65a5a5aa28dc72ebee42b46ffca2.exe	33
PID 2584 wrote to memory of 2824	2584	a520fa28c62a821d17f059e6a2e06ffbcf6e65a5a5aa28dc72ebee42b46ffca2.exe	33
PID 2584 wrote to memory of 2824	2584	a520fa28c62a821d17f059e6a2e06ffbcf6e65a5a5aa28dc72ebee42b46ffca2.exe	33
PID 2584 wrote to memory of 2824	2584	a520fa28c62a821d17f059e6a2e06ffbcf6e65a5a5aa28dc72ebee42b46ffca2.exe	33
PID 2824 wrote to memory of 1760	2824	X52LG-1116A.exe	35
PID 2824 wrote to memory of 1760	2824	X52LG-1116A.exe	35
PID 2824 wrote to memory of 1760	2824	X52LG-1116A.exe	35
PID 2824 wrote to memory of 1760	2824	X52LG-1116A.exe	35

C:\Users\Admin\AppData\Local\Temp\a520fa28c62a821d17f059e6a2e06ffbcf6e65a5a5aa28dc72ebee42b46ffca2.exe
"C:\Users\Admin\AppData\Local\Temp\a520fa28c62a821d17f059e6a2e06ffbcf6e65a5a5aa28dc72ebee42b46ffca2.exe"
1⤵
- Drops file in System32 directory
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2584
- C:\Users\Admin\Desktop\X52LG-1116A.exe
  "C:\Users\Admin\Desktop\X52LG-1116A.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2824
- - C:\Users\Admin\AppData\Local\Temp\X52LG-1116A.exe
    C:\Users\Admin\AppData\Local\Temp\X52LG-1116A.exe |C:\Users\Admin\Desktop\X52LG-1116A.exe
    3⤵
    - Executes dropped EXE
    - Drops file in System32 directory
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:1760

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\X52LG-1116A.exe

Filesize
2.9MB

MD5
4b25f6b60a020a2e451394a847a1a621

SHA1
44528c86a2eb418264dd54a80766e396c98403d2

SHA256
8f83e137919e56010692dcff407f4507b75cb1a0badb7f2201f4a791b4dd937d

SHA512
cced0b4be100b88df9873ede93a1a13a098d901b7e1acba180515565a711752f94137c928839fbaf4ea79caafd110bb7a1e106922a7db234c5c5edb8ae44302a

Download Submit
C:\Users\Admin\AppData\Local\Temp\X52LG-1116A.exe

Filesize
2.9MB

MD5
4b25f6b60a020a2e451394a847a1a621

SHA1
44528c86a2eb418264dd54a80766e396c98403d2

SHA256
8f83e137919e56010692dcff407f4507b75cb1a0badb7f2201f4a791b4dd937d

SHA512
cced0b4be100b88df9873ede93a1a13a098d901b7e1acba180515565a711752f94137c928839fbaf4ea79caafd110bb7a1e106922a7db234c5c5edb8ae44302a

Download Submit
C:\Users\Admin\Desktop\X52LG-1116A.exe

Filesize
2.9MB

MD5
4b25f6b60a020a2e451394a847a1a621

SHA1
44528c86a2eb418264dd54a80766e396c98403d2

SHA256
8f83e137919e56010692dcff407f4507b75cb1a0badb7f2201f4a791b4dd937d

SHA512
cced0b4be100b88df9873ede93a1a13a098d901b7e1acba180515565a711752f94137c928839fbaf4ea79caafd110bb7a1e106922a7db234c5c5edb8ae44302a

Download Submit
C:\Users\Admin\Desktop\X52LG-1116A.exe

Filesize
2.9MB

MD5
4b25f6b60a020a2e451394a847a1a621

SHA1
44528c86a2eb418264dd54a80766e396c98403d2

SHA256
8f83e137919e56010692dcff407f4507b75cb1a0badb7f2201f4a791b4dd937d

SHA512
cced0b4be100b88df9873ede93a1a13a098d901b7e1acba180515565a711752f94137c928839fbaf4ea79caafd110bb7a1e106922a7db234c5c5edb8ae44302a

Download Submit
C:\Windows\SysWOW64\fktx.txt

Filesize
4B

MD5
e22dd5dabde45eda5a1a67772c8e25dd

SHA1
94fe6a3196c44b2cd7c2ea7776add10deb1fd968

SHA256
d2388821e8b13716fc4a68f4a82fd8c66265b9cccb7b7ed3ad88d3be47418b9c

SHA512
bdfbd6010a1393a12d65d89d7738f289e5012da90d76e9be820b7629365743e43ab5c52ce35f0da8d16ef7a1ca49c1be7b25004d66d97d2df75c8734bd99a82e

Download Submit
\Users\Admin\AppData\Local\Temp\X52LG-1116A.exe

Filesize
2.9MB

MD5
4b25f6b60a020a2e451394a847a1a621

SHA1
44528c86a2eb418264dd54a80766e396c98403d2

SHA256
8f83e137919e56010692dcff407f4507b75cb1a0badb7f2201f4a791b4dd937d

SHA512
cced0b4be100b88df9873ede93a1a13a098d901b7e1acba180515565a711752f94137c928839fbaf4ea79caafd110bb7a1e106922a7db234c5c5edb8ae44302a

Download Submit

Analysis

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