a3003d38cb630a05180f512e9195af0148770caee1f45d340f99e79f45b9302c

General

Target

6fae4aed182cb0df0ed705acadee2fde_JaffaCakes118.exe
Size

121KB
MD5

6fae4aed182cb0df0ed705acadee2fde
SHA1

4c212e5fc88686aa55a1e81f502950bdf89debfa
SHA256

a3003d38cb630a05180f512e9195af0148770caee1f45d340f99e79f45b9302c
SHA512

e39f3c279c05fbdc57828807e8de36307a685919b35f716011feb926d431f22233b34c0d8b8dcf551db07bc51bffb068bef76f1034c3e50155e6c16f987d44d7
SSDEEP

1536:nKAzN+LNdXRZ/65HY7zbbkGSQSuGFeUPNFR/1lykJ/qSwGlrNfHuoTNoM3dfv:3+1z/614bP2uEn1lyk12GlrNGjM3dfv

Score

9^/10

defense_evasion discovery execution impact persistence ransomware

Malware Config

Signatures

Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware defense_evasion impact execution

File Deletion
T1070.004

Inhibit System Recovery
T1490

Windows Management Instrumentation
T1047
Drops startup file 1 IoCs

Processes:

explorer.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\2fddd325.exe explorer.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\2fddd325.exe	explorer.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\2fddd325 = "C:\\Users\\Admin\\AppData\\Roaming\\2fddd325.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\*fddd325 = "C:\\Users\\Admin\\AppData\\Roaming\\2fddd325.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\2fddd32 = "C:\\2fddd325\\2fddd325.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\*fddd32 = "C:\\2fddd325\\2fddd325.exe"	explorer.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

3 ip-addr.es
6 myexternalip.com

flow	ioc
3	ip-addr.es
6	myexternalip.com

Suspicious use of SetThreadContext 1 IoCs

Processes:

6fae4aed182cb0df0ed705acadee2fde_JaffaCakes118.exe

description	pid	process	target process
PID 1076 set thread context of 2380	1076	6fae4aed182cb0df0ed705acadee2fde_JaffaCakes118.exe	6fae4aed182cb0df0ed705acadee2fde_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 5 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

Processes:

6fae4aed182cb0df0ed705acadee2fde_JaffaCakes118.exeexplorer.exesvchost.exevssadmin.exe6fae4aed182cb0df0ed705acadee2fde_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6fae4aed182cb0df0ed705acadee2fde_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vssadmin.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6fae4aed182cb0df0ed705acadee2fde_JaffaCakes118.exe

Interacts with shadow copies 3 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
ransomware

File Deletion
T1070.004

Inhibit System Recovery
T1490

Direct Volume Access
T1006

Processes:

vssadmin.exe

pid process

2756 vssadmin.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

6fae4aed182cb0df0ed705acadee2fde_JaffaCakes118.exeexplorer.exe

pid process

2380 6fae4aed182cb0df0ed705acadee2fde_JaffaCakes118.exe
1792 explorer.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 2620 vssvc.exe
Token: SeRestorePrivilege 2620 vssvc.exe
Token: SeAuditPrivilege 2620 vssvc.exe

pid	process
2756	vssadmin.exe

pid	process
2380	6fae4aed182cb0df0ed705acadee2fde_JaffaCakes118.exe
1792	explorer.exe

description	pid	process
Token: SeBackupPrivilege	2620	vssvc.exe
Token: SeRestorePrivilege	2620	vssvc.exe
Token: SeAuditPrivilege	2620	vssvc.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

6fae4aed182cb0df0ed705acadee2fde_JaffaCakes118.exe6fae4aed182cb0df0ed705acadee2fde_JaffaCakes118.exeexplorer.exe

description	pid	process	target process
PID 1076 wrote to memory of 2380	1076	6fae4aed182cb0df0ed705acadee2fde_JaffaCakes118.exe	6fae4aed182cb0df0ed705acadee2fde_JaffaCakes118.exe
PID 1076 wrote to memory of 2380	1076	6fae4aed182cb0df0ed705acadee2fde_JaffaCakes118.exe	6fae4aed182cb0df0ed705acadee2fde_JaffaCakes118.exe
PID 1076 wrote to memory of 2380	1076	6fae4aed182cb0df0ed705acadee2fde_JaffaCakes118.exe	6fae4aed182cb0df0ed705acadee2fde_JaffaCakes118.exe
PID 1076 wrote to memory of 2380	1076	6fae4aed182cb0df0ed705acadee2fde_JaffaCakes118.exe	6fae4aed182cb0df0ed705acadee2fde_JaffaCakes118.exe
PID 1076 wrote to memory of 2380	1076	6fae4aed182cb0df0ed705acadee2fde_JaffaCakes118.exe	6fae4aed182cb0df0ed705acadee2fde_JaffaCakes118.exe
PID 1076 wrote to memory of 2380	1076	6fae4aed182cb0df0ed705acadee2fde_JaffaCakes118.exe	6fae4aed182cb0df0ed705acadee2fde_JaffaCakes118.exe
PID 1076 wrote to memory of 2380	1076	6fae4aed182cb0df0ed705acadee2fde_JaffaCakes118.exe	6fae4aed182cb0df0ed705acadee2fde_JaffaCakes118.exe
PID 1076 wrote to memory of 2380	1076	6fae4aed182cb0df0ed705acadee2fde_JaffaCakes118.exe	6fae4aed182cb0df0ed705acadee2fde_JaffaCakes118.exe
PID 1076 wrote to memory of 2380	1076	6fae4aed182cb0df0ed705acadee2fde_JaffaCakes118.exe	6fae4aed182cb0df0ed705acadee2fde_JaffaCakes118.exe
PID 1076 wrote to memory of 2380	1076	6fae4aed182cb0df0ed705acadee2fde_JaffaCakes118.exe	6fae4aed182cb0df0ed705acadee2fde_JaffaCakes118.exe
PID 1076 wrote to memory of 2380	1076	6fae4aed182cb0df0ed705acadee2fde_JaffaCakes118.exe	6fae4aed182cb0df0ed705acadee2fde_JaffaCakes118.exe
PID 2380 wrote to memory of 1792	2380	6fae4aed182cb0df0ed705acadee2fde_JaffaCakes118.exe	explorer.exe
PID 2380 wrote to memory of 1792	2380	6fae4aed182cb0df0ed705acadee2fde_JaffaCakes118.exe	explorer.exe
PID 2380 wrote to memory of 1792	2380	6fae4aed182cb0df0ed705acadee2fde_JaffaCakes118.exe	explorer.exe
PID 2380 wrote to memory of 1792	2380	6fae4aed182cb0df0ed705acadee2fde_JaffaCakes118.exe	explorer.exe
PID 1792 wrote to memory of 1908	1792	explorer.exe	svchost.exe
PID 1792 wrote to memory of 1908	1792	explorer.exe	svchost.exe
PID 1792 wrote to memory of 1908	1792	explorer.exe	svchost.exe
PID 1792 wrote to memory of 1908	1792	explorer.exe	svchost.exe
PID 1792 wrote to memory of 2756	1792	explorer.exe	vssadmin.exe
PID 1792 wrote to memory of 2756	1792	explorer.exe	vssadmin.exe
PID 1792 wrote to memory of 2756	1792	explorer.exe	vssadmin.exe
PID 1792 wrote to memory of 2756	1792	explorer.exe	vssadmin.exe

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\6fae4aed182cb0df0ed705acadee2fde_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6fae4aed182cb0df0ed705acadee2fde_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1076

C:\Users\Admin\AppData\Local\Temp\6fae4aed182cb0df0ed705acadee2fde_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6fae4aed182cb0df0ed705acadee2fde_JaffaCakes118.exe"
2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2380

C:\Windows\syswow64\explorer.exe
"C:\Windows\syswow64\explorer.exe"
3⤵
- Drops startup file
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1792

C:\Windows\syswow64\svchost.exe
-k netsvcs
4⤵
- System Location Discovery: System Language Discovery
PID:1908

C:\Windows\syswow64\vssadmin.exe
vssadmin.exe Delete Shadows /All /Quiet
4⤵
- System Location Discovery: System Language Discovery
- Interacts with shadow copies
PID:2756

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2620

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Windows Management Instrumentation

1

T1047

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

Direct Volume Access

1

T1006

Indicator Removal

2

T1070

File Deletion

Modify Registry

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

2

T1490

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Downloads

memory/1076-1-0x0000000074D50000-0x00000000752FB000-memory.dmp

Filesize
5.7MB

Download
memory/1076-2-0x0000000074D50000-0x00000000752FB000-memory.dmp

Filesize
5.7MB

Download
memory/1076-13-0x0000000074D50000-0x00000000752FB000-memory.dmp

Filesize
5.7MB

Download
memory/1076-0-0x0000000074D51000-0x0000000074D52000-memory.dmp

Filesize
4KB

Download
memory/1792-14-0x00000000000D0000-0x00000000000F5000-memory.dmp

Filesize
148KB

Download
memory/1792-21-0x00000000000D0000-0x00000000000F5000-memory.dmp

Filesize
148KB

Download
memory/1792-15-0x00000000000D0000-0x00000000000F5000-memory.dmp

Filesize
148KB

Download
memory/1908-19-0x00000000000C0000-0x00000000000E5000-memory.dmp

Filesize
148KB

Download
memory/1908-20-0x00000000000C0000-0x00000000000E5000-memory.dmp

Filesize
148KB

Download
memory/1908-22-0x00000000000C0000-0x00000000000E5000-memory.dmp

Filesize
148KB

Download
memory/2380-5-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/2380-3-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/2380-6-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/2380-7-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/2380-8-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/2380-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads