9f8cd23f951c07ba2420955be3c3a08ab4f8aebaa72729c03dc04aa237208369

General

Target
jaffacakes118_9f8cd23f951c07ba2420955be3c3a08ab4f8aebaa72729c03dc04aa237208369.exe
Size 44KB
Sample260925-wra4ssgd59
SHA256 9f8cd23f951c07ba2420955be3c3a08ab4f8aebaa72729c03dc04aa237208369
MD5 01cdae08bd5d642ad0ac7312fbe1d363
SHA1 680045fb21684bc57fe038fe4584748247dbe89b
SHA512 3b143240484486b5cc10c68b0092299bd9ed9837fbff2d4d6c3ff6e0c7c34357793e1ab317f405a6f6e01f0ce42bc541af5ed89a57229b9a45045687409c6d00
SSDEEP 768:velMoFJl5/ija+1Im1+B3HTe71vulWIbS5Iv9kFPHDbAhI3RFgFpb6IHUYPna:GWoFJy+5HTe71vugI+5PHvBFghC
TLSH
T10413BFEB73F2C4B2D110C5F44D59C20DAB3F7B70187061AAB89E6EDE9ED5391290C60A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

defense_evasion discovery upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000e00000001c430-3.dat	acprotect

Executes dropped EXE 1 IoCs

pid	Process
708	Sys.exe

Loads dropped DLL 2 IoCs

pid	Process
708	Sys.exe
708	Sys.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000e00000001c430-3.dat	upx
behavioral2/memory/708-8-0x0000000000590000-0x00000000005A2000-memory.dmp	upx
behavioral2/memory/708-15-0x0000000000590000-0x00000000005A2000-memory.dmp	upx

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\Sys.exe	jaffacakes118_9f8cd23f951c07ba2420955be3c3a08ab4f8aebaa72729c03dc04aa237208369.exe
File opened for modification	C:\Windows\NTLDR.DLL	Sys.exe
File created	C:\Windows\NTLDR.DLL	Sys.exe
File opened for modification	C:\Windows\Sys.exe	jaffacakes118_9f8cd23f951c07ba2420955be3c3a08ab4f8aebaa72729c03dc04aa237208369.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jaffacakes118_9f8cd23f951c07ba2420955be3c3a08ab4f8aebaa72729c03dc04aa237208369.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Sys.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AEB6717E-7E19-11d0-97EE-00C04FD91970}\InProcServer32	Sys.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AEB6717E-7E19-11d0-97EE-00C04FD91970}\InProcServer32\ = "C:\\Windows\\NTLDR.DLL"	Sys.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AEB6717E-7E19-11d0-97EE-00C04FD91970}\InProcServer32\ThreadingModel = "Apartment"	Sys.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AEB6717E-7E19-11d0-97EE-00C04FD91970}	Sys.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AEB6717E-7E19-11d0-97EE-00C04FD91970}\	Sys.exe

Suspicious use of AdjustPrivilegeToken 12 IoCs

description	pid	Process
Token: SeBackupPrivilege	708	Sys.exe
Token: SeRestorePrivilege	708	Sys.exe
Token: SeRestorePrivilege	708	Sys.exe
Token: SeRestorePrivilege	708	Sys.exe
Token: SeRestorePrivilege	708	Sys.exe
Token: SeRestorePrivilege	708	Sys.exe
Token: SeBackupPrivilege	708	Sys.exe
Token: SeRestorePrivilege	708	Sys.exe
Token: SeRestorePrivilege	708	Sys.exe
Token: SeRestorePrivilege	708	Sys.exe
Token: SeRestorePrivilege	708	Sys.exe
Token: SeRestorePrivilege	708	Sys.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
708	Sys.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 6008 wrote to memory of 708	6008	jaffacakes118_9f8cd23f951c07ba2420955be3c3a08ab4f8aebaa72729c03dc04aa237208369.exe	89
PID 6008 wrote to memory of 5868	6008	jaffacakes118_9f8cd23f951c07ba2420955be3c3a08ab4f8aebaa72729c03dc04aa237208369.exe	90

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_9f8cd23f951c07ba2420955be3c3a08ab4f8aebaa72729c03dc04aa237208369.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_9f8cd23f951c07ba2420955be3c3a08ab4f8aebaa72729c03dc04aa237208369.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:6008
- C:\Windows\Sys.exe
  C:\Windows\Sys.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:708
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c Deleteme.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5868

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

1

T1070

File Deletion

1

T1070.004

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

Deleteme.bat

Path C:\Users\Admin\AppData\Local\Temp\Deleteme.bat
Size 276B
SHA256 4e84b99185e880522ee62db3da1db10c55b9c5214009f882c37429663686acec
MD5 c1f9247d5761c504d8cce71bb2bf0aaf
SHA1 a075dfba2274104780cbb58072f7bf42690da5ef
SHA512 432a6a9814b1b3c69065527a0022e245fb6043b26de4040318805e2e2f6371a70b6a380d2167bdc286f3d667b786468d963848321e7bcd024726c5f7de605010
TLSH
T1BBD02B158256C8778C28D14F157C3ACAC0760FC035A57F09857342CC123051CF39330C
MD5 SHA1 SHA512 TLSH

Submit Download

NTLDR.DLL

Path C:\Windows\NTLDR.DLL
Size 18KB
SHA256 29472a0b22fe3fa61f858155ce4885e2c0dfe3e73427f8bc1b742b0528c2ccc7
MD5 b3e190afec007a20c1027981d9e81f6a
SHA1 20c60410ebed690c94ed0b386368af953aef9f17
SHA512 62261bf1c6552f247daa066a2c137290f445bcdf87d0ef7b369091d7de4595187f84bb55cd61206988e61de2701794630969080d3fe8684aa33bd64ed4ff63b0
SSDEEP 384:1rk63rANXIkc9hrYwiygFpRrJ6IyeUnYPnCr/8aUn:9DbAhI3RFgFpb6IHUYPnn
TLSH
T1E582DFF723B2CD43DB2281B04096680D559BE5A925F86398D5A83D5FFCD3391EE10B2B
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

Sys.exe

Path C:\Windows\Sys.exe
Size 44KB
SHA256 9f8cd23f951c07ba2420955be3c3a08ab4f8aebaa72729c03dc04aa237208369
MD5 01cdae08bd5d642ad0ac7312fbe1d363
SHA1 680045fb21684bc57fe038fe4584748247dbe89b
SHA512 3b143240484486b5cc10c68b0092299bd9ed9837fbff2d4d6c3ff6e0c7c34357793e1ab317f405a6f6e01f0ce42bc541af5ed89a57229b9a45045687409c6d00
SSDEEP 768:velMoFJl5/ija+1Im1+B3HTe71vulWIbS5Iv9kFPHDbAhI3RFgFpb6IHUYPna:GWoFJy+5HTe71vugI+5PHvBFghC
TLSH
T10413BFEB73F2C4B2D110C5F44D59C20DAB3F7B70187061AAB89E6EDE9ED5391290C60A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/708-5-0x0000000000590000-0x00000000005A2000-memory.dmp

Download

memory/708-8-0x0000000000590000-0x00000000005A2000-memory.dmp

Download

memory/708-11-0x0000000000400000-0x0000000000414000-memory.dmp

Download

memory/708-15-0x0000000000590000-0x00000000005A2000-memory.dmp

Download

memory/6008-16-0x0000000000400000-0x0000000000414000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads