blackmoon | 838771a802cff34cdfb9b04c4fa14eb3bd796341696746e3fe8f48b015b10d7e

General

Target

838771a802cff34cdfb9b04c4fa14eb3bd796341696746e3fe8f48b015b10d7e.exe
Size

2.8MB
MD5

a8fe411c68adcd42d0270b015dd36dfd
SHA1

d446c7dc5cd155b66bb7eff4b687cdbb0e5b28f0
SHA256

838771a802cff34cdfb9b04c4fa14eb3bd796341696746e3fe8f48b015b10d7e
SHA512

e6be91ac4d23f1efaf61b1398ea15a3d252f8df2e4e673d7bb385b667a26e3092a50d35a4e13985f722ad10a916df3e928f1d1bf3e5c2671bfe3c63bf0c1f8dd
SSDEEP

49152:nF+P9VgqrzbfDULyOPtjN/lXekpomFsEB7yOrRBST1WjyK:F+PfRELyOhN/lXe4FsNyOWWK

Score

10^/10

blackmoon banker discovery persistence privilege_escalation 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/memory/1952-0-0x0000000000400000-0x000000000070F000-memory.dmp	family_blackmoon
behavioral1/files/0x000700000001211b-2.dat	family_blackmoon
behavioral1/memory/2312-10-0x0000000000400000-0x000000000070F000-memory.dmp	family_blackmoon
behavioral1/memory/1952-11-0x0000000000400000-0x000000000070F000-memory.dmp	family_blackmoon
behavioral1/memory/2312-33-0x0000000000400000-0x000000000070F000-memory.dmp	family_blackmoon

Executes dropped EXE 1 IoCs

pid	Process
2312	KMNPEF.ITJ

Loads dropped DLL 4 IoCs

pid	Process
1952	838771a802cff34cdfb9b04c4fa14eb3bd796341696746e3fe8f48b015b10d7e.exe
1952	838771a802cff34cdfb9b04c4fa14eb3bd796341696746e3fe8f48b015b10d7e.exe
2312	KMNPEF.ITJ
2312	KMNPEF.ITJ

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\ESPI11.dll	KMNPEF.ITJ
File opened for modification	C:\Windows\SysWOW64\ESPI11.dll	KMNPEF.ITJ

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	838771a802cff34cdfb9b04c4fa14eb3bd796341696746e3fe8f48b015b10d7e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	KMNPEF.ITJ
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
2312	KMNPEF.ITJ
2312	KMNPEF.ITJ
2312	KMNPEF.ITJ
2312	KMNPEF.ITJ
2312	KMNPEF.ITJ
2312	KMNPEF.ITJ
2312	KMNPEF.ITJ
2312	KMNPEF.ITJ
2312	KMNPEF.ITJ
2312	KMNPEF.ITJ
2312	KMNPEF.ITJ
2312	KMNPEF.ITJ
2312	KMNPEF.ITJ
2312	KMNPEF.ITJ
2312	KMNPEF.ITJ
2312	KMNPEF.ITJ
2312	KMNPEF.ITJ
2312	KMNPEF.ITJ
2312	KMNPEF.ITJ
2312	KMNPEF.ITJ
2312	KMNPEF.ITJ
2312	KMNPEF.ITJ
2312	KMNPEF.ITJ
2312	KMNPEF.ITJ
2312	KMNPEF.ITJ
2312	KMNPEF.ITJ
2312	KMNPEF.ITJ
2312	KMNPEF.ITJ
2312	KMNPEF.ITJ
2312	KMNPEF.ITJ

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1952	838771a802cff34cdfb9b04c4fa14eb3bd796341696746e3fe8f48b015b10d7e.exe
1952	838771a802cff34cdfb9b04c4fa14eb3bd796341696746e3fe8f48b015b10d7e.exe
2312	KMNPEF.ITJ
2312	KMNPEF.ITJ

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1952 wrote to memory of 2312	1952	838771a802cff34cdfb9b04c4fa14eb3bd796341696746e3fe8f48b015b10d7e.exe	30
PID 1952 wrote to memory of 2312	1952	838771a802cff34cdfb9b04c4fa14eb3bd796341696746e3fe8f48b015b10d7e.exe	30
PID 1952 wrote to memory of 2312	1952	838771a802cff34cdfb9b04c4fa14eb3bd796341696746e3fe8f48b015b10d7e.exe	30
PID 1952 wrote to memory of 2312	1952	838771a802cff34cdfb9b04c4fa14eb3bd796341696746e3fe8f48b015b10d7e.exe	30
PID 2312 wrote to memory of 2268	2312	KMNPEF.ITJ	32
PID 2312 wrote to memory of 2268	2312	KMNPEF.ITJ	32
PID 2312 wrote to memory of 2268	2312	KMNPEF.ITJ	32
PID 2312 wrote to memory of 2268	2312	KMNPEF.ITJ	32

C:\Users\Admin\AppData\Local\Temp\838771a802cff34cdfb9b04c4fa14eb3bd796341696746e3fe8f48b015b10d7e.exe
"C:\Users\Admin\AppData\Local\Temp\838771a802cff34cdfb9b04c4fa14eb3bd796341696746e3fe8f48b015b10d7e.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1952
- C:\Users\Admin\AppData\Local\Temp\KMNPEF.ITJ
  "C:\Users\Admin\AppData\Local\Temp\KMNPEF.ITJ"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2312
- - C:\Windows\SysWOW64\netsh.exe
    netsh winsock reset
    3⤵
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2268

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\ESPI.dll

Filesize
120KB

MD5
c3adbb35a05b44bc877a895d273aa270

SHA1
8afe20d8261d217fd23ccfe53bd45ad3bec82d2d

SHA256
b2b2ea9737587313d420bde96a42063c002a83e35d9f987f8ec0d5d4d96c262c

SHA512
614dc24e3368047d68e2833ecdf9cda1f5ef290fc74287769a70df46bfa937386ce2e1332b3bada0f7e54b470ecdfe7c8bbd4ec3fa1c815f52993bb7edb93afc

Download Submit
\Users\Admin\AppData\Local\Temp\KMNPEF.ITJ

Filesize
2.8MB

MD5
65a955ee340b63029b1c67d62c79ef95

SHA1
5c174ee1d2da779e1fa5cd6a5b8a3f68165347df

SHA256
33a266467e461946baf890aa1173960ffee69492aa1cf5ce949e0fc63cb7ba1a

SHA512
4f7a05df6395a01a0d197076357ad839f0b7d8ff427401877cb55b3ba754caa25ccfa1d6b4e556b17f034bf642eb38f414bf0b7ae5bda0278abccda832184767

Download Submit
memory/1952-0-0x0000000000400000-0x000000000070F000-memory.dmp

Filesize
3.1MB

Download
memory/1952-9-0x0000000002A30000-0x0000000002D3F000-memory.dmp

Filesize
3.1MB

Download
memory/1952-11-0x0000000000400000-0x000000000070F000-memory.dmp

Filesize
3.1MB

Download
memory/2312-10-0x0000000000400000-0x000000000070F000-memory.dmp

Filesize
3.1MB

Download
memory/2312-33-0x0000000000400000-0x000000000070F000-memory.dmp

Filesize
3.1MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads