5cfe1c495a90d15bc924be4e137bdb2a0a6c52a09460c59d515051b8033a949b

General

Target

8e652a7f6866dd0d3104952e47aacecb_JaffaCakes118.exe
Size

107KB
MD5

8e652a7f6866dd0d3104952e47aacecb
SHA1

665447c63a04fc8ef3aea490d9a61cba971000a2
SHA256

5cfe1c495a90d15bc924be4e137bdb2a0a6c52a09460c59d515051b8033a949b
SHA512

1b808bcc08e0b730f42be12cff4f00e93c9ce60971ace529817a626a249d18a0c389496b07d82e7986d565c0abd10a4462557bfcf9728b822a0c622c6c510cf0
SSDEEP

1536:AunVeStv7hfeXLrF2A7sQJWK+lEQBJTJzhOvhe45BkYeY2xZhEF6v:AieSp7hfe75LAiClDJzIvUagf

Score

7^/10

discovery persistence ransomware upx

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	8e652a7f6866dd0d3104952e47aacecb_JaffaCakes118.exe

Loads dropped DLL 2 IoCs

pid	Process
744	8e652a7f6866dd0d3104952e47aacecb_JaffaCakes118.exe
744	8e652a7f6866dd0d3104952e47aacecb_JaffaCakes118.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000e00000001e08c-13.dat	upx
behavioral2/memory/744-17-0x0000000002F40000-0x0000000002FF4000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\lphc9ruj0ecdp = "C:\\Windows\\system32\\lphc9ruj0ecdp.exe"	8e652a7f6866dd0d3104952e47aacecb_JaffaCakes118.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\phc9ruj0ecdp.bmp	8e652a7f6866dd0d3104952e47aacecb_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\blphc9ruj0ecdp.scr	8e652a7f6866dd0d3104952e47aacecb_JaffaCakes118.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\Desktop\Wallpaper = "C:\\Windows\\system32\\phc9ruj0ecdp.bmp"	8e652a7f6866dd0d3104952e47aacecb_JaffaCakes118.exe

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

System Information Discovery
T1082

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	8e652a7f6866dd0d3104952e47aacecb_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe

Checks SCSI registry key(s) 3 TTPs 5 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr	vssvc.exe
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr\PartitionTableCache = 000000000400000080ecc9f1fa88237c0000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000c01200000000ffffffff00000000270101000008000080ecc9f10000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000d01200000000000020ed3a000000ffffffff00000000070001000068090080ecc9f1000000000000d012000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000f0ff3a0000000000000005000000ffffffff000000000700010000f87f1d80ecc9f1000000000000f0ff3a00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000ffffffff00000000000000000000000080ecc9f100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	vssvc.exe
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr\SnapshotDataCache = 534e41505041525401000000700000008ec7416a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	vssvc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters	vssvc.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	8e652a7f6866dd0d3104952e47aacecb_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	8e652a7f6866dd0d3104952e47aacecb_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	8e652a7f6866dd0d3104952e47aacecb_JaffaCakes118.exe

Modifies Control Panel 8 IoCs

evasion

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\Desktop\WallpaperStyle = "0"	8e652a7f6866dd0d3104952e47aacecb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\Desktop\TileWallpaper = "0"	8e652a7f6866dd0d3104952e47aacecb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\Desktop\OriginalWallpaper = "C:\\Windows\\system32\\phc9ruj0ecdp.bmp"	8e652a7f6866dd0d3104952e47aacecb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\Desktop\ConvertedWallpaper = "C:\\Windows\\system32\\phc9ruj0ecdp.bmp"	8e652a7f6866dd0d3104952e47aacecb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\Desktop\SCRNSAVE.EXE = "C:\\Windows\\system32\\blphc9ruj0ecdp.scr"	8e652a7f6866dd0d3104952e47aacecb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\Desktop\ScreenSaveActive = "1"	8e652a7f6866dd0d3104952e47aacecb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\Desktop\ScreenSaveTimeOut = "600"	8e652a7f6866dd0d3104952e47aacecb_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\Colors\Background = "0 0 255"	8e652a7f6866dd0d3104952e47aacecb_JaffaCakes118.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000_Classes\Local Settings	8e652a7f6866dd0d3104952e47aacecb_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
744	8e652a7f6866dd0d3104952e47aacecb_JaffaCakes118.exe
744	8e652a7f6866dd0d3104952e47aacecb_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
744	8e652a7f6866dd0d3104952e47aacecb_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 11 IoCs

description	pid	Process
Token: SeBackupPrivilege	2968	vssvc.exe
Token: SeRestorePrivilege	2968	vssvc.exe
Token: SeAuditPrivilege	2968	vssvc.exe
Token: SeBackupPrivilege	1460	srtasks.exe
Token: SeRestorePrivilege	1460	srtasks.exe
Token: SeSecurityPrivilege	1460	srtasks.exe
Token: SeTakeOwnershipPrivilege	1460	srtasks.exe
Token: SeBackupPrivilege	1460	srtasks.exe
Token: SeRestorePrivilege	1460	srtasks.exe
Token: SeSecurityPrivilege	1460	srtasks.exe
Token: SeTakeOwnershipPrivilege	1460	srtasks.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 744 wrote to memory of 4084	744	8e652a7f6866dd0d3104952e47aacecb_JaffaCakes118.exe	85
PID 744 wrote to memory of 4084	744	8e652a7f6866dd0d3104952e47aacecb_JaffaCakes118.exe	85
PID 744 wrote to memory of 4084	744	8e652a7f6866dd0d3104952e47aacecb_JaffaCakes118.exe	85

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\8e652a7f6866dd0d3104952e47aacecb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8e652a7f6866dd0d3104952e47aacecb_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Sets desktop wallpaper using registry
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:744
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\.tt72A0.tmp.vbs"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4084

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
PID:2968

C:\Windows\system32\srtasks.exe
C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1460

C:\Windows\system32\srtasks.exe
C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:3
1⤵
PID:336

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

4

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

1

T1491

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\.tt72A0.tmp.vbs

Filesize
1002B

MD5
9df700c8f6fd43fac0a89aef04214bbd

SHA1
6ec8bc6d4041ccf19757757c0da6592469f71c57

SHA256
9ab6f2c3cc3965cd05f81d859bdfac3b25a5e70178f61ea677d31987c4e142fd

SHA512
8bbcd322f3998c0f7d81884737ca313c1353ac7e3899f168fc8d44eafbe064193353b8b16f92113288ff2102c47623b542861440c414b8acf36d75c4ad645d4d

Download Submit
C:\Windows\SysWOW64\blphc9ruj0ecdp.scr

Filesize
59KB

MD5
538f9ead95eba12134d95b4fe7082331

SHA1
527c50b92b5cededdd5b7e3edda71cb13d108dac

SHA256
a416bab39037854c14540edaaf80cff7b5f2e9db31eee235527574e8dedd54e6

SHA512
4631ff7cf868348585ee0e26591b95be3ee8b232c7980f5013f4464f285b0fbdef41794c44cb8653d6fb6dc815c0c0a9f4af780bfeb9b23d2f4c3bdc62bf4581

Download Submit
memory/744-0-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/744-3-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/744-2-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/744-1-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/744-5-0x0000000000401000-0x000000000040A000-memory.dmp

Filesize
36KB

Download
memory/744-4-0x0000000002180000-0x00000000021B0000-memory.dmp

Filesize
192KB

Download
memory/744-17-0x0000000002F40000-0x0000000002FF4000-memory.dmp

Filesize
720KB

Download
memory/744-18-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads