ac24889f515b094fdf81f3d0144fb97357484a5b01bd65ac3e4b68c34b7c28c2

General

Target

2d814564ff4574bd423496bdd6105c24_JaffaCakes118.exe
Size

151KB
MD5

2d814564ff4574bd423496bdd6105c24
SHA1

235d0914151a37b46178279f4793fc52acad2cfb
SHA256

ac24889f515b094fdf81f3d0144fb97357484a5b01bd65ac3e4b68c34b7c28c2
SHA512

7d1fe28a802738c1a5b212f338d8c8f41b449144e083dac28439225f46edd69d6e24944da7749f9aec968165585200a1188c6d5bec4e63fc5806158a3535ec80
SSDEEP

3072:tAsj8MBX8s0oXJB/sOea7NSnQLz0ZW5DRJCMs3onqr55w3jFTDGW3U:tAsBZjsOunGzL5s/rzwzNDGW3U

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

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ad7a7c16.exe	explorer.exe

Loads dropped DLL 2 IoCs

pid	Process
1040	2d814564ff4574bd423496bdd6105c24_JaffaCakes118.exe
1040	2d814564ff4574bd423496bdd6105c24_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ad7a7c1 = "C:\\ad7a7c16\\ad7a7c16.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\*d7a7c1 = "C:\\ad7a7c16\\ad7a7c16.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ad7a7c16 = "C:\\Users\\Admin\\AppData\\Roaming\\ad7a7c16.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\*d7a7c16 = "C:\\Users\\Admin\\AppData\\Roaming\\ad7a7c16.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.

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1040 set thread context of 2248	1040	2d814564ff4574bd423496bdd6105c24_JaffaCakes118.exe	30

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 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

description	ioc	Process
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	2d814564ff4574bd423496bdd6105c24_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2d814564ff4574bd423496bdd6105c24_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

pid	Process
2792	vssadmin.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2248	2d814564ff4574bd423496bdd6105c24_JaffaCakes118.exe
3024	explorer.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeBackupPrivilege	2644	vssvc.exe
Token: SeRestorePrivilege	2644	vssvc.exe
Token: SeAuditPrivilege	2644	vssvc.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1040 wrote to memory of 2248	1040	2d814564ff4574bd423496bdd6105c24_JaffaCakes118.exe	30
PID 1040 wrote to memory of 2248	1040	2d814564ff4574bd423496bdd6105c24_JaffaCakes118.exe	30
PID 1040 wrote to memory of 2248	1040	2d814564ff4574bd423496bdd6105c24_JaffaCakes118.exe	30
PID 1040 wrote to memory of 2248	1040	2d814564ff4574bd423496bdd6105c24_JaffaCakes118.exe	30
PID 1040 wrote to memory of 2248	1040	2d814564ff4574bd423496bdd6105c24_JaffaCakes118.exe	30
PID 1040 wrote to memory of 2248	1040	2d814564ff4574bd423496bdd6105c24_JaffaCakes118.exe	30
PID 1040 wrote to memory of 2248	1040	2d814564ff4574bd423496bdd6105c24_JaffaCakes118.exe	30
PID 1040 wrote to memory of 2248	1040	2d814564ff4574bd423496bdd6105c24_JaffaCakes118.exe	30
PID 1040 wrote to memory of 2248	1040	2d814564ff4574bd423496bdd6105c24_JaffaCakes118.exe	30
PID 1040 wrote to memory of 2248	1040	2d814564ff4574bd423496bdd6105c24_JaffaCakes118.exe	30
PID 2248 wrote to memory of 3024	2248	2d814564ff4574bd423496bdd6105c24_JaffaCakes118.exe	31
PID 2248 wrote to memory of 3024	2248	2d814564ff4574bd423496bdd6105c24_JaffaCakes118.exe	31
PID 2248 wrote to memory of 3024	2248	2d814564ff4574bd423496bdd6105c24_JaffaCakes118.exe	31
PID 2248 wrote to memory of 3024	2248	2d814564ff4574bd423496bdd6105c24_JaffaCakes118.exe	31
PID 3024 wrote to memory of 2740	3024	explorer.exe	32
PID 3024 wrote to memory of 2740	3024	explorer.exe	32
PID 3024 wrote to memory of 2740	3024	explorer.exe	32
PID 3024 wrote to memory of 2740	3024	explorer.exe	32
PID 3024 wrote to memory of 2792	3024	explorer.exe	33
PID 3024 wrote to memory of 2792	3024	explorer.exe	33
PID 3024 wrote to memory of 2792	3024	explorer.exe	33
PID 3024 wrote to memory of 2792	3024	explorer.exe	33

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\2d814564ff4574bd423496bdd6105c24_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2d814564ff4574bd423496bdd6105c24_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1040
- C:\Users\Admin\AppData\Local\Temp\2d814564ff4574bd423496bdd6105c24_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\2d814564ff4574bd423496bdd6105c24_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2248
- - 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:3024
  - - C:\Windows\syswow64\svchost.exe
      -k netsvcs
      4⤵
      System Location Discovery: System Language Discovery
      PID:2740
  - - C:\Windows\syswow64\vssadmin.exe
      vssadmin.exe Delete Shadows /All /Quiet
      4⤵
      System Location Discovery: System Language Discovery
      Interacts with shadow copies
      PID:2792

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2644

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 Information Discovery

1

T1082

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

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357

Filesize
1KB

MD5
a266bb7dcc38a562631361bbf61dd11b

SHA1
3b1efd3a66ea28b16697394703a72ca340a05bd5

SHA256
df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

SHA512
0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357

Filesize
242B

MD5
f96f14d9da131484004d732fd8e795ef

SHA1
44b0e863c0f28f49c77c3003cc3e91563b616b86

SHA256
06f14dc79232f07e94990de755f1c0d2803da72ef2f54e5790e4747606810380

SHA512
ab37d75af36c82bba7292c7f8675c2b606e5c2a8784f139a3186508d5db5f6f445dce5221e779902054f881f4d89003ce6a24406f9ef747b77ea876a181216dd

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab455C.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar4714.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
\Users\Admin\AppData\Local\Temp\demulsifier.dll

Filesize
48KB

MD5
0f7f8bae2118868084d406681891e516

SHA1
85c617dda6681684fc43b072d19b84c5814202ae

SHA256
673c5ad011a6b210b5be729f58ec096133db23d09ee29ab8006dd04e0f107321

SHA512
8b30135f51b8b36f24d0170d615610ce8a5c82d0520b16662e2aa9711074996812f57bb9a6d7202c626f6484c82cb72b3467d469cd395423dd9aa21b6dcc24aa

Download Submit
\Users\Admin\AppData\Local\Temp\nstB75F.tmp\System.dll

Filesize
11KB

MD5
883eff06ac96966270731e4e22817e11

SHA1
523c87c98236cbc04430e87ec19b977595092ac8

SHA256
44e5dfd551b38e886214bd6b9c8ee913c4c4d1f085a6575d97c3e892b925da82

SHA512
60333253342476911c84bbc1d9bf8a29f811207787fdd6107dce8d2b6e031669303f28133ffc811971ed7792087fe90fb1faabc0af4e91c298ba51e28109a390

Download Submit
memory/1040-9-0x00000000003E0000-0x00000000003ED000-memory.dmp

Filesize
52KB

Download
memory/2248-28-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/2248-16-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/2248-13-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/2248-17-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/2248-30-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/2248-19-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/2248-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2248-23-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/2248-12-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/2740-37-0x0000000000080000-0x00000000000A5000-memory.dmp

Filesize
148KB

Download
memory/2740-54-0x0000000000080000-0x00000000000A5000-memory.dmp

Filesize
148KB

Download
memory/3024-29-0x0000000000080000-0x00000000000A5000-memory.dmp

Filesize
148KB

Download
memory/3024-32-0x0000000000080000-0x00000000000A5000-memory.dmp

Filesize
148KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads