36c39e2f3f97cb4c582819e54831285b592dc143487bd8e5c4bedbb2ed441631

General

Target

8d5a59cc9f7a23f5386884f243c27606_JaffaCakes118.exe
Size

50KB
MD5

8d5a59cc9f7a23f5386884f243c27606
SHA1

16c2ad04d2b935c84f37e994d7954dca8d9205dd
SHA256

36c39e2f3f97cb4c582819e54831285b592dc143487bd8e5c4bedbb2ed441631
SHA512

40aa9e1c555f95898ff21d66b2dcc5d307922a0f8f0a0ffb29b14ed3fe1dd63bf62c949f4f2cba7f7158ef641b0ec01158c807e98ca27639ab7d2b946abcd639
SSDEEP

1536:9rZu46fRjPWw926hejYj2PfJPNBm/mbFCE:9r846fRjew9fejYjiz8o9

Score

7^/10

discovery persistence

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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	8d5a59cc9f7a23f5386884f243c27606_JaffaCakes118.exe

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\lphcgckj0e95n = "C:\\Windows\\system32\\lphcgckj0e95n.exe"	8d5a59cc9f7a23f5386884f243c27606_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
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	8d5a59cc9f7a23f5386884f243c27606_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
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr\PartitionTableCache = 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	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
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

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	8d5a59cc9f7a23f5386884f243c27606_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	8d5a59cc9f7a23f5386884f243c27606_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	8d5a59cc9f7a23f5386884f243c27606_JaffaCakes118.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000_Classes\Local Settings	8d5a59cc9f7a23f5386884f243c27606_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4212	8d5a59cc9f7a23f5386884f243c27606_JaffaCakes118.exe
4212	8d5a59cc9f7a23f5386884f243c27606_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4212	8d5a59cc9f7a23f5386884f243c27606_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 11 IoCs

description	pid	Process
Token: SeBackupPrivilege	2596	vssvc.exe
Token: SeRestorePrivilege	2596	vssvc.exe
Token: SeAuditPrivilege	2596	vssvc.exe
Token: SeBackupPrivilege	640	srtasks.exe
Token: SeRestorePrivilege	640	srtasks.exe
Token: SeSecurityPrivilege	640	srtasks.exe
Token: SeTakeOwnershipPrivilege	640	srtasks.exe
Token: SeBackupPrivilege	640	srtasks.exe
Token: SeRestorePrivilege	640	srtasks.exe
Token: SeSecurityPrivilege	640	srtasks.exe
Token: SeTakeOwnershipPrivilege	640	srtasks.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4212 wrote to memory of 3100	4212	8d5a59cc9f7a23f5386884f243c27606_JaffaCakes118.exe	85
PID 4212 wrote to memory of 3100	4212	8d5a59cc9f7a23f5386884f243c27606_JaffaCakes118.exe	85
PID 4212 wrote to memory of 3100	4212	8d5a59cc9f7a23f5386884f243c27606_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\8d5a59cc9f7a23f5386884f243c27606_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8d5a59cc9f7a23f5386884f243c27606_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:4212
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\.ttAEBE.tmp.vbs"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3100

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
PID:2596

C:\Windows\system32\srtasks.exe
C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:640

C:\Windows\system32\srtasks.exe
C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:3
1⤵
PID:2760

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

1

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

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Downloads

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

Filesize
1002B

MD5
9df700c8f6fd43fac0a89aef04214bbd

SHA1
6ec8bc6d4041ccf19757757c0da6592469f71c57

SHA256
9ab6f2c3cc3965cd05f81d859bdfac3b25a5e70178f61ea677d31987c4e142fd

SHA512
8bbcd322f3998c0f7d81884737ca313c1353ac7e3899f168fc8d44eafbe064193353b8b16f92113288ff2102c47623b542861440c414b8acf36d75c4ad645d4d

Download Submit
memory/4212-0-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/4212-1-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/4212-7-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads