blackmoon | 6d0119ee048b00c7d167a6c63f288911d8c5fd5334c1d50135896834bd79756a

General

Target

installer_S11.18.exe
Size

2.9MB
MD5

f97afe2c15fb0d24f9ec74c73e19344a
SHA1

a081dad4c0ca356b20011fa5590ca35bf32aff2f
SHA256

6d0119ee048b00c7d167a6c63f288911d8c5fd5334c1d50135896834bd79756a
SHA512

dcbf04778d11b24fd794549a4a4d800b35c31c51aadcda4240a237159ad550efbaa541efe917e1a3647c454a15e3d3af06f0663aba7241a8103f8366833a4f77
SSDEEP

49152:NOpptq2d346JrPO+tPvx0ANe1vsG+cfx52vktBwEITz83zo6TDOkDbnYrpILi2re:Nq3/jO+tBLE1UG+UEktB9I3ylZPS

Score

10^/10

blackmoon banker discovery evasion trojan upx

Malware Config

Signatures

Blackmoon family
blackmoon
Blackmoon, KrBanker
Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.
trojan banker blackmoon

Detect Blackmoon payload 1 IoCs

resource	yara_rule
behavioral1/memory/3020-6-0x0000000003CF0000-0x0000000003D31000-memory.dmp	family_blackmoon

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	FokyeCn.exe

Deletes itself 1 IoCs

pid	Process
1376	FokyeCn.exe

Executes dropped EXE 1 IoCs

pid	Process
1376	FokyeCn.exe

Loads dropped DLL 5 IoCs

pid	Process
3020	installer_S11.18.exe
3020	installer_S11.18.exe
1376	FokyeCn.exe
1376	FokyeCn.exe
1376	FokyeCn.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	FokyeCn.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 17 IoCs

pid	Process
3020	installer_S11.18.exe
1376	FokyeCn.exe
1376	FokyeCn.exe
1376	FokyeCn.exe
1376	FokyeCn.exe
1376	FokyeCn.exe
1376	FokyeCn.exe
1376	FokyeCn.exe
1376	FokyeCn.exe
1376	FokyeCn.exe
1376	FokyeCn.exe
1376	FokyeCn.exe
1376	FokyeCn.exe
1376	FokyeCn.exe
1376	FokyeCn.exe
1376	FokyeCn.exe
1376	FokyeCn.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3020-4-0x0000000003420000-0x000000000342B000-memory.dmp	upx
behavioral1/memory/3020-7-0x0000000003420000-0x000000000342B000-memory.dmp	upx
behavioral1/memory/1376-22-0x0000000003D00000-0x0000000003D0B000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 2 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	installer_S11.18.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	FokyeCn.exe

Modifies registry class 7 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.QGyD\ = "VBuuep Tgxac"	FokyeCn.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\VBuuep Tgxac\Shell\Open\Command	FokyeCn.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\VBuuep Tgxac	FokyeCn.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\VBuuep Tgxac\Shell	FokyeCn.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\VBuuep Tgxac\Shell\Open	FokyeCn.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\VBuuep Tgxac\Shell\Open\Command\ = "\"C:\\Users\\Public\\Downloads\\FokyeCn.exe\"ragoUhGM TemmgBSa XiRqdLDJ"	FokyeCn.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.QGyD	FokyeCn.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3020	installer_S11.18.exe
1376	FokyeCn.exe
1376	FokyeCn.exe
1376	FokyeCn.exe
1376	FokyeCn.exe
1376	FokyeCn.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1376	FokyeCn.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3020	installer_S11.18.exe
3020	installer_S11.18.exe
3020	installer_S11.18.exe
1376	FokyeCn.exe
1376	FokyeCn.exe
1376	FokyeCn.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 1376	3020	installer_S11.18.exe	30
PID 3020 wrote to memory of 1376	3020	installer_S11.18.exe	30
PID 3020 wrote to memory of 1376	3020	installer_S11.18.exe	30
PID 3020 wrote to memory of 1376	3020	installer_S11.18.exe	30
PID 3020 wrote to memory of 1376	3020	installer_S11.18.exe	30
PID 3020 wrote to memory of 1376	3020	installer_S11.18.exe	30
PID 3020 wrote to memory of 1376	3020	installer_S11.18.exe	30

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	FokyeCn.exe

C:\Users\Admin\AppData\Local\Temp\installer_S11.18.exe
"C:\Users\Admin\AppData\Local\Temp\installer_S11.18.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3020
- C:\Users\Public\Downloads\FokyeCn.exe
  SRDgcyBqFUcyzOwe
  2⤵
  - UAC bypass
  - Deletes itself
  - Executes dropped EXE
  - Loads dropped DLL
  - Checks whether UAC is enabled
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - System policy modification
  PID:1376

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Defense Evasion

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

1

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

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\Public\Downloads\FokyeCn.exe

Filesize
2.9MB

MD5
f97afe2c15fb0d24f9ec74c73e19344a

SHA1
a081dad4c0ca356b20011fa5590ca35bf32aff2f

SHA256
6d0119ee048b00c7d167a6c63f288911d8c5fd5334c1d50135896834bd79756a

SHA512
dcbf04778d11b24fd794549a4a4d800b35c31c51aadcda4240a237159ad550efbaa541efe917e1a3647c454a15e3d3af06f0663aba7241a8103f8366833a4f77

Download Submit
memory/1376-34-0x0000000000400000-0x0000000000ED7000-memory.dmp

Filesize
10.8MB

Download
memory/1376-38-0x0000000000400000-0x0000000000ED7000-memory.dmp

Filesize
10.8MB

Download
memory/1376-40-0x0000000000400000-0x0000000000ED7000-memory.dmp

Filesize
10.8MB

Download
memory/1376-39-0x0000000000400000-0x0000000000ED7000-memory.dmp

Filesize
10.8MB

Download
memory/1376-27-0x0000000000400000-0x0000000000ED7000-memory.dmp

Filesize
10.8MB

Download
memory/1376-37-0x0000000000400000-0x0000000000ED7000-memory.dmp

Filesize
10.8MB

Download
memory/1376-36-0x0000000000400000-0x0000000000ED7000-memory.dmp

Filesize
10.8MB

Download
memory/1376-21-0x0000000000400000-0x0000000000ED7000-memory.dmp

Filesize
10.8MB

Download
memory/1376-35-0x0000000000400000-0x0000000000ED7000-memory.dmp

Filesize
10.8MB

Download
memory/1376-33-0x0000000000400000-0x0000000000ED7000-memory.dmp

Filesize
10.8MB

Download
memory/1376-22-0x0000000003D00000-0x0000000003D0B000-memory.dmp

Filesize
44KB

Download
memory/1376-28-0x0000000000400000-0x0000000000ED7000-memory.dmp

Filesize
10.8MB

Download
memory/1376-32-0x0000000000400000-0x0000000000ED7000-memory.dmp

Filesize
10.8MB

Download
memory/1376-26-0x0000000000400000-0x0000000000ED7000-memory.dmp

Filesize
10.8MB

Download
memory/1376-31-0x0000000000400000-0x0000000000ED7000-memory.dmp

Filesize
10.8MB

Download
memory/1376-29-0x0000000000400000-0x0000000000ED7000-memory.dmp

Filesize
10.8MB

Download
memory/1376-30-0x0000000000400000-0x0000000000ED7000-memory.dmp

Filesize
10.8MB

Download
memory/3020-23-0x0000000000400000-0x0000000000ED7000-memory.dmp

Filesize
10.8MB

Download
memory/3020-2-0x00000000017D0000-0x00000000022A7000-memory.dmp

Filesize
10.8MB

Download
memory/3020-19-0x00000000087D0000-0x00000000092A7000-memory.dmp

Filesize
10.8MB

Download
memory/3020-0-0x0000000000400000-0x0000000000ED7000-memory.dmp

Filesize
10.8MB

Download
memory/3020-20-0x00000000087D0000-0x00000000092A7000-memory.dmp

Filesize
10.8MB

Download
memory/3020-6-0x0000000003CF0000-0x0000000003D31000-memory.dmp

Filesize
260KB

Download
memory/3020-7-0x0000000003420000-0x000000000342B000-memory.dmp

Filesize
44KB

Download
memory/3020-1-0x00000000017D0000-0x00000000022A7000-memory.dmp

Filesize
10.8MB

Download
memory/3020-4-0x0000000003420000-0x000000000342B000-memory.dmp

Filesize
44KB

Download
memory/3020-3-0x00000000FFBD0000-0x00000000FFFA1000-memory.dmp

Filesize
3.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads