blackmoon | f5e49865f30dbd20e7c0ae7aded53b1fa312ba645569551daaca2aa4513ba1e3

General

Target

f5e49865f30dbd20e7c0ae7aded53b1fa312ba645569551daaca2aa4513ba1e3.exe
Size

1.8MB
MD5

f3d5b4a5d2bd7660bfe3ee1de07d0545
SHA1

e8d638898d61299ef8709e7f630b158b017b2e9e
SHA256

f5e49865f30dbd20e7c0ae7aded53b1fa312ba645569551daaca2aa4513ba1e3
SHA512

e6dc33f2fe4e73f3f1319d67e1cf79d86662248335a2f778d102c92c05adee1688d53fc42355b7b4296e47612d4b34102ae2bd4192a2fab52617049a6f8f0086
SSDEEP

24576:d1c++iVeHoazxWXwmsGUj2cJiqrlEPZj7C7Nl6rdIKoH4xr6V:d/VEzx0sGUJHxE4NlkpxOV

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 4 IoCs

resource	yara_rule
behavioral2/memory/3620-1-0x0000000002450000-0x0000000002491000-memory.dmp	family_blackmoon
behavioral2/memory/3084-8-0x00000000028C0000-0x0000000002901000-memory.dmp	family_blackmoon
behavioral2/memory/3620-10-0x0000000002450000-0x0000000002491000-memory.dmp	family_blackmoon
behavioral2/memory/3084-20-0x00000000028C0000-0x0000000002901000-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"	RBBNRWzdVkE.exe

Deletes itself 1 IoCs

pid	Process
3084	RBBNRWzdVkE.exe

Executes dropped EXE 1 IoCs

pid	Process
3084	RBBNRWzdVkE.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"	RBBNRWzdVkE.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3620-0-0x00000000024B0000-0x00000000024BB000-memory.dmp	upx
behavioral2/memory/3620-2-0x00000000024B0000-0x00000000024BB000-memory.dmp	upx
behavioral2/memory/3084-9-0x00000000022D0000-0x00000000022DB000-memory.dmp	upx
behavioral2/memory/3084-7-0x00000000022D0000-0x00000000022DB000-memory.dmp	upx
behavioral2/memory/3084-15-0x00000000047C0000-0x00000000047CB000-memory.dmp	upx
behavioral2/memory/3084-43-0x00000000022D0000-0x00000000022DB000-memory.dmp	upx
behavioral2/memory/3084-46-0x00000000047C0000-0x00000000047CB000-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	RBBNRWzdVkE.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f5e49865f30dbd20e7c0ae7aded53b1fa312ba645569551daaca2aa4513ba1e3.exe

Modifies registry class 7 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.GTtx\ = "UBPoNX RsqwB"	RBBNRWzdVkE.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\UBPoNX RsqwB\Shell\Open\Command	RBBNRWzdVkE.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\UBPoNX RsqwB	RBBNRWzdVkE.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\UBPoNX RsqwB\Shell	RBBNRWzdVkE.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\UBPoNX RsqwB\Shell\Open	RBBNRWzdVkE.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\UBPoNX RsqwB\Shell\Open\Command\ = "\"C:\\Users\\Public\\Downloads\\RBBNRWzdVkE.exe\"EfAuLzTi UBnezzwy asJazCUl"	RBBNRWzdVkE.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.GTtx	RBBNRWzdVkE.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
3620	f5e49865f30dbd20e7c0ae7aded53b1fa312ba645569551daaca2aa4513ba1e3.exe
3620	f5e49865f30dbd20e7c0ae7aded53b1fa312ba645569551daaca2aa4513ba1e3.exe
3084	RBBNRWzdVkE.exe
3084	RBBNRWzdVkE.exe
3084	RBBNRWzdVkE.exe
3084	RBBNRWzdVkE.exe
3084	RBBNRWzdVkE.exe
3084	RBBNRWzdVkE.exe
3084	RBBNRWzdVkE.exe
3084	RBBNRWzdVkE.exe
3084	RBBNRWzdVkE.exe
3084	RBBNRWzdVkE.exe
3084	RBBNRWzdVkE.exe
3084	RBBNRWzdVkE.exe
3084	RBBNRWzdVkE.exe
3084	RBBNRWzdVkE.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3084	RBBNRWzdVkE.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3620	f5e49865f30dbd20e7c0ae7aded53b1fa312ba645569551daaca2aa4513ba1e3.exe
3620	f5e49865f30dbd20e7c0ae7aded53b1fa312ba645569551daaca2aa4513ba1e3.exe
3084	RBBNRWzdVkE.exe
3084	RBBNRWzdVkE.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3620 wrote to memory of 3084	3620	f5e49865f30dbd20e7c0ae7aded53b1fa312ba645569551daaca2aa4513ba1e3.exe	84
PID 3620 wrote to memory of 3084	3620	f5e49865f30dbd20e7c0ae7aded53b1fa312ba645569551daaca2aa4513ba1e3.exe	84
PID 3620 wrote to memory of 3084	3620	f5e49865f30dbd20e7c0ae7aded53b1fa312ba645569551daaca2aa4513ba1e3.exe	84

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"	RBBNRWzdVkE.exe

C:\Users\Admin\AppData\Local\Temp\f5e49865f30dbd20e7c0ae7aded53b1fa312ba645569551daaca2aa4513ba1e3.exe
"C:\Users\Admin\AppData\Local\Temp\f5e49865f30dbd20e7c0ae7aded53b1fa312ba645569551daaca2aa4513ba1e3.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3620
- C:\Users\Public\Downloads\RBBNRWzdVkE.exe
  dyLKMvbHGTDYFAHn
  2⤵
  - UAC bypass
  - Deletes itself
  - Executes dropped EXE
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - System policy modification
  PID:3084

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\RBBNRWzdVkE.exe

Filesize
1.8MB

MD5
f3d5b4a5d2bd7660bfe3ee1de07d0545

SHA1
e8d638898d61299ef8709e7f630b158b017b2e9e

SHA256
f5e49865f30dbd20e7c0ae7aded53b1fa312ba645569551daaca2aa4513ba1e3

SHA512
e6dc33f2fe4e73f3f1319d67e1cf79d86662248335a2f778d102c92c05adee1688d53fc42355b7b4296e47612d4b34102ae2bd4192a2fab52617049a6f8f0086

Download Submit
memory/3084-15-0x00000000047C0000-0x00000000047CB000-memory.dmp

Filesize
44KB

Download
memory/3084-19-0x0000000002460000-0x0000000002461000-memory.dmp

Filesize
4KB

Download
memory/3084-46-0x00000000047C0000-0x00000000047CB000-memory.dmp

Filesize
44KB

Download
memory/3084-9-0x00000000022D0000-0x00000000022DB000-memory.dmp

Filesize
44KB

Download
memory/3084-13-0x00000000022C0000-0x00000000022C1000-memory.dmp

Filesize
4KB

Download
memory/3084-8-0x00000000028C0000-0x0000000002901000-memory.dmp

Filesize
260KB

Download
memory/3084-43-0x00000000022D0000-0x00000000022DB000-memory.dmp

Filesize
44KB

Download
memory/3084-20-0x00000000028C0000-0x0000000002901000-memory.dmp

Filesize
260KB

Download
memory/3084-7-0x00000000022D0000-0x00000000022DB000-memory.dmp

Filesize
44KB

Download
memory/3084-18-0x0000000004790000-0x0000000004791000-memory.dmp

Filesize
4KB

Download
memory/3084-16-0x0000000002450000-0x0000000002451000-memory.dmp

Filesize
4KB

Download
memory/3084-17-0x00000000047A0000-0x00000000047A1000-memory.dmp

Filesize
4KB

Download
memory/3620-0-0x00000000024B0000-0x00000000024BB000-memory.dmp

Filesize
44KB

Download
memory/3620-10-0x0000000002450000-0x0000000002491000-memory.dmp

Filesize
260KB

Download
memory/3620-1-0x0000000002450000-0x0000000002491000-memory.dmp

Filesize
260KB

Download
memory/3620-2-0x00000000024B0000-0x00000000024BB000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads