1d1d01e411eb8b4ab207991db6810debbd377e6e7d35c0e81a9988c4e6ec397b

General

Target

f26f5363f987406f5c6f7c1b3b22f1cb_JaffaCakes118.exe
Size

2.0MB
MD5

f26f5363f987406f5c6f7c1b3b22f1cb
SHA1

6a0d88018125c98243125248609e937e2c115af7
SHA256

1d1d01e411eb8b4ab207991db6810debbd377e6e7d35c0e81a9988c4e6ec397b
SHA512

3d2216b229b0a3157bc670e41252d7e503bfee5c3ea70e50aced845a611ac856b51728456bda6ae77d4799be5899ac10812a909369ac02e48143f89fa250c1af
SSDEEP

49152:OFUcx88PWPOpX0SFO/x02TBVt01etoSEiIYAfAvGQW9mayGc:O+K88uPCHka+BVtWwoSExYIAvczyGc

Score

7^/10

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-1-5-21-1230272463-3683322193-511842230-1000\Control Panel\International\Geo\Nation	2CA9.tmp

Executes dropped EXE 1 IoCs

pid	Process
1140	2CA9.tmp

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

System Information Discovery
T1082

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	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000_Classes\Local Settings	2CA9.tmp

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
1240	WINWORD.EXE
1240	WINWORD.EXE

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1140	2CA9.tmp

Suspicious use of SetWindowsHookEx 9 IoCs

pid	Process
1240	WINWORD.EXE
1240	WINWORD.EXE
1240	WINWORD.EXE
1240	WINWORD.EXE
1240	WINWORD.EXE
1240	WINWORD.EXE
1240	WINWORD.EXE
1240	WINWORD.EXE
1240	WINWORD.EXE

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1424 wrote to memory of 1140	1424	f26f5363f987406f5c6f7c1b3b22f1cb_JaffaCakes118.exe	94
PID 1424 wrote to memory of 1140	1424	f26f5363f987406f5c6f7c1b3b22f1cb_JaffaCakes118.exe	94
PID 1424 wrote to memory of 1140	1424	f26f5363f987406f5c6f7c1b3b22f1cb_JaffaCakes118.exe	94
PID 1140 wrote to memory of 1240	1140	2CA9.tmp	97
PID 1140 wrote to memory of 1240	1140	2CA9.tmp	97

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012
Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware
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\f26f5363f987406f5c6f7c1b3b22f1cb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f26f5363f987406f5c6f7c1b3b22f1cb_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1424
- C:\Users\Admin\AppData\Local\Temp\2CA9.tmp
  "C:\Users\Admin\AppData\Local\Temp\2CA9.tmp" --splashC:\Users\Admin\AppData\Local\Temp\f26f5363f987406f5c6f7c1b3b22f1cb_JaffaCakes118.exe 911E18C30F10B0AB5881062C31A797137115942B027158A8EE457A38D0EF15AFDC7A5F2C19DAE2C8E964C85390724D21E1E6DD5ECDDA5C16C9B70C940735C4B3
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Modifies registry class
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:1140
- - C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\f26f5363f987406f5c6f7c1b3b22f1cb_JaffaCakes118.docx" /o ""
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious use of SetWindowsHookEx
    PID:1240

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4064,i,3624515087451503301,4108549118195267775,262144 --variations-seed-version --mojo-platform-channel-handle=3240 /prefetch:8
1⤵
PID:3304

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

4

T1012

System Information Discovery

4

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\2CA9.tmp

Filesize
2.0MB

MD5
d7831377303b5a17e0f4a04677d9edeb

SHA1
cf04fbef25d948c4568f4cc941fcc93f5400e581

SHA256
9a7398159d516640a98c674182518570e02ca3fe311d14810ee51d4f39b9ed3e

SHA512
2402b83c7a62a4b893e785ab964fb8b73b1cd1c3e07eaa0b0b7417e4780c1aa4b20183ec9ba34e7f4552fd90921bfbcc9d4c60ae286c6e0a5defe7b3403974e8

Download Submit
C:\Users\Admin\AppData\Local\Temp\f26f5363f987406f5c6f7c1b3b22f1cb_JaffaCakes118.docx

Filesize
19KB

MD5
4046ff080673cffac6529512b8d3bdbb

SHA1
d3cbc39065b7a55e995fa25397da2140bdac80c1

SHA256
f0c1b360c0b24b5450a79138650e6ee254afae6ce8f6c68da7d1f32f91582680

SHA512
453f70730b7560e3d3e23ddfa0fe74e014753f8b34b45254c1c0cf5fec0546a2b8b109a4f9d096e91711b6d02cb383a7136c2cb7bd6600d0598acf7c90c25418

Download Submit
memory/1140-5-0x0000000000400000-0x0000000000606000-memory.dmp

Filesize
2.0MB

Download
memory/1240-18-0x00007FFFDB370000-0x00007FFFDB565000-memory.dmp

Filesize
2.0MB

Download
memory/1240-19-0x00007FFF9B3F0000-0x00007FFF9B400000-memory.dmp

Filesize
64KB

Download
memory/1240-12-0x00007FFFDB370000-0x00007FFFDB565000-memory.dmp

Filesize
2.0MB

Download
memory/1240-13-0x00007FFF9B3F0000-0x00007FFF9B400000-memory.dmp

Filesize
64KB

Download
memory/1240-15-0x00007FFFDB370000-0x00007FFFDB565000-memory.dmp

Filesize
2.0MB

Download
memory/1240-14-0x00007FFF9B3F0000-0x00007FFF9B400000-memory.dmp

Filesize
64KB

Download
memory/1240-16-0x00007FFFDB370000-0x00007FFFDB565000-memory.dmp

Filesize
2.0MB

Download
memory/1240-37-0x00007FFFDB370000-0x00007FFFDB565000-memory.dmp

Filesize
2.0MB

Download
memory/1240-17-0x00007FFF9B3F0000-0x00007FFF9B400000-memory.dmp

Filesize
64KB

Download
memory/1240-11-0x00007FFF9B3F0000-0x00007FFF9B400000-memory.dmp

Filesize
64KB

Download
memory/1240-20-0x00007FFFDB370000-0x00007FFFDB565000-memory.dmp

Filesize
2.0MB

Download
memory/1240-21-0x00007FFFDB370000-0x00007FFFDB565000-memory.dmp

Filesize
2.0MB

Download
memory/1240-22-0x00007FFFDB370000-0x00007FFFDB565000-memory.dmp

Filesize
2.0MB

Download
memory/1240-23-0x00007FFFDB370000-0x00007FFFDB565000-memory.dmp

Filesize
2.0MB

Download
memory/1240-24-0x00007FFFDB370000-0x00007FFFDB565000-memory.dmp

Filesize
2.0MB

Download
memory/1240-25-0x00007FFF99390000-0x00007FFF993A0000-memory.dmp

Filesize
64KB

Download
memory/1240-26-0x00007FFF99390000-0x00007FFF993A0000-memory.dmp

Filesize
64KB

Download
memory/1240-36-0x00007FFFDB370000-0x00007FFFDB565000-memory.dmp

Filesize
2.0MB

Download
memory/1424-0-0x0000000000400000-0x0000000000606000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads