blackmoon | 7899234afc56abd778fa36ecb7f71e24b174aaf871ab1e26dd0a513976b32ea4

General

Target

7899234afc56abd778fa36ecb7f71e24b174aaf871ab1e26dd0a513976b32ea4.exe
Size

1.3MB
MD5

5a60899b40ecdfb29cf6e26ea315a677
SHA1

b87516cac18c30cfc6eefceef0ad55d5369a1c56
SHA256

7899234afc56abd778fa36ecb7f71e24b174aaf871ab1e26dd0a513976b32ea4
SHA512

7257bf367946b6df191d0771ac6d95d702d9dc9183035dce266f7358787c2bfa40e2f276a2ecaee313f8330a5421506b15ffbb192a979bdd893fa2a2451d8c6e
SSDEEP

12288:0KxY+e0CN+caNNU8lW9cuW8X+NbUROlh:0KxYTaNiMVswwCh

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 4 IoCs

resource	yara_rule
behavioral2/files/0x000800000002319a-2.dat	family_blackmoon
behavioral2/files/0x000800000002319a-3.dat	family_blackmoon
behavioral2/files/0x000800000002319a-4.dat	family_blackmoon
behavioral2/files/0x000800000002319a-5.dat	family_blackmoon

Executes dropped EXE 3 IoCs

pid	Process
4640	LKXXltFJB.exe
4656	LKXXltFJB.exe
4852	LKXXltFJB.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4852-7-0x0000000002290000-0x000000000229B000-memory.dmp	upx
behavioral2/memory/4852-6-0x0000000002290000-0x000000000229B000-memory.dmp	upx
behavioral2/memory/4852-10-0x0000000004020000-0x000000000402B000-memory.dmp	upx
behavioral2/memory/4852-37-0x0000000002290000-0x000000000229B000-memory.dmp	upx
behavioral2/memory/4852-41-0x0000000004020000-0x000000000402B000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\LKXXltFJB.exe	7899234afc56abd778fa36ecb7f71e24b174aaf871ab1e26dd0a513976b32ea4.exe
File opened for modification	C:\Windows\SysWOW64\LKXXltFJB.exe	7899234afc56abd778fa36ecb7f71e24b174aaf871ab1e26dd0a513976b32ea4.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4852	LKXXltFJB.exe
4852	LKXXltFJB.exe
4852	LKXXltFJB.exe
4852	LKXXltFJB.exe
4852	LKXXltFJB.exe
4852	LKXXltFJB.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2228	7899234afc56abd778fa36ecb7f71e24b174aaf871ab1e26dd0a513976b32ea4.exe
Token: SeDebugPrivilege	4852	LKXXltFJB.exe
Token: SeDebugPrivilege	4852	LKXXltFJB.exe
Token: SeDebugPrivilege	4852	LKXXltFJB.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2228	7899234afc56abd778fa36ecb7f71e24b174aaf871ab1e26dd0a513976b32ea4.exe
4640	LKXXltFJB.exe
4656	LKXXltFJB.exe
4852	LKXXltFJB.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 4640	2228	7899234afc56abd778fa36ecb7f71e24b174aaf871ab1e26dd0a513976b32ea4.exe	81
PID 2228 wrote to memory of 4640	2228	7899234afc56abd778fa36ecb7f71e24b174aaf871ab1e26dd0a513976b32ea4.exe	81
PID 2228 wrote to memory of 4640	2228	7899234afc56abd778fa36ecb7f71e24b174aaf871ab1e26dd0a513976b32ea4.exe	81
PID 2228 wrote to memory of 1792	2228	7899234afc56abd778fa36ecb7f71e24b174aaf871ab1e26dd0a513976b32ea4.exe	83
PID 2228 wrote to memory of 1792	2228	7899234afc56abd778fa36ecb7f71e24b174aaf871ab1e26dd0a513976b32ea4.exe	83
PID 2228 wrote to memory of 1792	2228	7899234afc56abd778fa36ecb7f71e24b174aaf871ab1e26dd0a513976b32ea4.exe	83
PID 4656 wrote to memory of 4852	4656	LKXXltFJB.exe	91
PID 4656 wrote to memory of 4852	4656	LKXXltFJB.exe	91
PID 4656 wrote to memory of 4852	4656	LKXXltFJB.exe	91

C:\Users\Admin\AppData\Local\Temp\7899234afc56abd778fa36ecb7f71e24b174aaf871ab1e26dd0a513976b32ea4.exe
"C:\Users\Admin\AppData\Local\Temp\7899234afc56abd778fa36ecb7f71e24b174aaf871ab1e26dd0a513976b32ea4.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2228
- C:\Windows\SysWOW64\LKXXltFJB.exe
  -auto
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:4640
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\789923~1.EXE > nul
  2⤵
  PID:1792

C:\Windows\SysWOW64\LKXXltFJB.exe
C:\Windows\SysWOW64\LKXXltFJB.exe Service 1
1⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4656
- C:\Windows\SysWOW64\LKXXltFJB.exe
  -OBJECT1
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4852

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:\Windows\SysWOW64\LKXXltFJB.exe

Filesize
1.3MB

MD5
5a60899b40ecdfb29cf6e26ea315a677

SHA1
b87516cac18c30cfc6eefceef0ad55d5369a1c56

SHA256
7899234afc56abd778fa36ecb7f71e24b174aaf871ab1e26dd0a513976b32ea4

SHA512
7257bf367946b6df191d0771ac6d95d702d9dc9183035dce266f7358787c2bfa40e2f276a2ecaee313f8330a5421506b15ffbb192a979bdd893fa2a2451d8c6e

Download Submit
C:\Windows\SysWOW64\LKXXltFJB.exe

Filesize
1.3MB

MD5
5a60899b40ecdfb29cf6e26ea315a677

SHA1
b87516cac18c30cfc6eefceef0ad55d5369a1c56

SHA256
7899234afc56abd778fa36ecb7f71e24b174aaf871ab1e26dd0a513976b32ea4

SHA512
7257bf367946b6df191d0771ac6d95d702d9dc9183035dce266f7358787c2bfa40e2f276a2ecaee313f8330a5421506b15ffbb192a979bdd893fa2a2451d8c6e

Download Submit
C:\Windows\SysWOW64\LKXXltFJB.exe

Filesize
1.3MB

MD5
5a60899b40ecdfb29cf6e26ea315a677

SHA1
b87516cac18c30cfc6eefceef0ad55d5369a1c56

SHA256
7899234afc56abd778fa36ecb7f71e24b174aaf871ab1e26dd0a513976b32ea4

SHA512
7257bf367946b6df191d0771ac6d95d702d9dc9183035dce266f7358787c2bfa40e2f276a2ecaee313f8330a5421506b15ffbb192a979bdd893fa2a2451d8c6e

Download Submit
C:\Windows\SysWOW64\LKXXltFJB.exe

Filesize
1.3MB

MD5
5a60899b40ecdfb29cf6e26ea315a677

SHA1
b87516cac18c30cfc6eefceef0ad55d5369a1c56

SHA256
7899234afc56abd778fa36ecb7f71e24b174aaf871ab1e26dd0a513976b32ea4

SHA512
7257bf367946b6df191d0771ac6d95d702d9dc9183035dce266f7358787c2bfa40e2f276a2ecaee313f8330a5421506b15ffbb192a979bdd893fa2a2451d8c6e

Download Submit
memory/4852-7-0x0000000002290000-0x000000000229B000-memory.dmp

Filesize
44KB

Download
memory/4852-6-0x0000000002290000-0x000000000229B000-memory.dmp

Filesize
44KB

Download
memory/4852-8-0x0000000000710000-0x0000000000711000-memory.dmp

Filesize
4KB

Download
memory/4852-11-0x0000000004000000-0x0000000004001000-memory.dmp

Filesize
4KB

Download
memory/4852-10-0x0000000004020000-0x000000000402B000-memory.dmp

Filesize
44KB

Download
memory/4852-12-0x0000000002380000-0x0000000002381000-memory.dmp

Filesize
4KB

Download
memory/4852-14-0x0000000003FF0000-0x0000000003FF1000-memory.dmp

Filesize
4KB

Download
memory/4852-13-0x0000000002520000-0x0000000002521000-memory.dmp

Filesize
4KB

Download
memory/4852-37-0x0000000002290000-0x000000000229B000-memory.dmp

Filesize
44KB

Download
memory/4852-41-0x0000000004020000-0x000000000402B000-memory.dmp

Filesize
44KB

Download

Analysis

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