8c66654b8d50efed2582d27a73fa959ca1b9675c2a93778514be1b3b2a963840

General

Target

28ecec70ab6c15ec6cd50b9f461711e1_JaffaCakes118.exe
Size

641KB
MD5

28ecec70ab6c15ec6cd50b9f461711e1
SHA1

8fb1fd2922144c9ba3afa06a2de4b02e2f415f48
SHA256

8c66654b8d50efed2582d27a73fa959ca1b9675c2a93778514be1b3b2a963840
SHA512

528b37e15cf67d071d931973cb83aaf7863855fddf5494730901f103aa15d9c8a6e8a4d33d9178b34b1df35928682d01ab246c8f9bbcff89bcb79af70544636d
SSDEEP

12288:7q+ofLruQnLrEZN7PpOr++Y9saNzcQGcq7B4TgEcLTv:knL/ZMsaNzcQuOEE

Score

7^/10

discovery persistence 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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	28ecec70ab6c15ec6cd50b9f461711e1_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
4324	key.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\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vnet = "C:\\dropped.exe"	28ecec70ab6c15ec6cd50b9f461711e1_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3780 set thread context of 3664	3780	28ecec70ab6c15ec6cd50b9f461711e1_JaffaCakes118.exe	87

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0008000000023bcc-13.dat	upx
behavioral2/memory/4324-18-0x0000000000400000-0x0000000000424000-memory.dmp	upx

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 3 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	28ecec70ab6c15ec6cd50b9f461711e1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	28ecec70ab6c15ec6cd50b9f461711e1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	key.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3780	28ecec70ab6c15ec6cd50b9f461711e1_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3780 wrote to memory of 1296	3780	28ecec70ab6c15ec6cd50b9f461711e1_JaffaCakes118.exe	86
PID 3780 wrote to memory of 1296	3780	28ecec70ab6c15ec6cd50b9f461711e1_JaffaCakes118.exe	86
PID 3780 wrote to memory of 1296	3780	28ecec70ab6c15ec6cd50b9f461711e1_JaffaCakes118.exe	86
PID 3780 wrote to memory of 3664	3780	28ecec70ab6c15ec6cd50b9f461711e1_JaffaCakes118.exe	87
PID 3780 wrote to memory of 3664	3780	28ecec70ab6c15ec6cd50b9f461711e1_JaffaCakes118.exe	87
PID 3780 wrote to memory of 3664	3780	28ecec70ab6c15ec6cd50b9f461711e1_JaffaCakes118.exe	87
PID 3780 wrote to memory of 3664	3780	28ecec70ab6c15ec6cd50b9f461711e1_JaffaCakes118.exe	87
PID 3780 wrote to memory of 3664	3780	28ecec70ab6c15ec6cd50b9f461711e1_JaffaCakes118.exe	87
PID 3780 wrote to memory of 3664	3780	28ecec70ab6c15ec6cd50b9f461711e1_JaffaCakes118.exe	87
PID 3780 wrote to memory of 3664	3780	28ecec70ab6c15ec6cd50b9f461711e1_JaffaCakes118.exe	87
PID 3780 wrote to memory of 3664	3780	28ecec70ab6c15ec6cd50b9f461711e1_JaffaCakes118.exe	87
PID 3780 wrote to memory of 3664	3780	28ecec70ab6c15ec6cd50b9f461711e1_JaffaCakes118.exe	87
PID 3780 wrote to memory of 3664	3780	28ecec70ab6c15ec6cd50b9f461711e1_JaffaCakes118.exe	87
PID 3780 wrote to memory of 3664	3780	28ecec70ab6c15ec6cd50b9f461711e1_JaffaCakes118.exe	87
PID 3780 wrote to memory of 4324	3780	28ecec70ab6c15ec6cd50b9f461711e1_JaffaCakes118.exe	88
PID 3780 wrote to memory of 4324	3780	28ecec70ab6c15ec6cd50b9f461711e1_JaffaCakes118.exe	88
PID 3780 wrote to memory of 4324	3780	28ecec70ab6c15ec6cd50b9f461711e1_JaffaCakes118.exe	88

C:\Users\Admin\AppData\Local\Temp\28ecec70ab6c15ec6cd50b9f461711e1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\28ecec70ab6c15ec6cd50b9f461711e1_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3780
- C:\Users\Admin\AppData\Local\Temp\28ecec70ab6c15ec6cd50b9f461711e1_JaffaCakes118.exe
  28ecec70ab6c15ec6cd50b9f461711e1_JaffaCakes118.exe
  2⤵
  PID:1296
- C:\Users\Admin\AppData\Local\Temp\28ecec70ab6c15ec6cd50b9f461711e1_JaffaCakes118.exe
  28ecec70ab6c15ec6cd50b9f461711e1_JaffaCakes118.exe
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  PID:3664
- C:\Users\Admin\AppData\Local\Temp\credentials\key.exe
  "C:\Users\Admin\AppData\Local\Temp\credentials\key.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4324

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

Query Registry

1

T1012

System Information Discovery

2

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\Credentials\key.exe

Filesize
51KB

MD5
8c88407500ae398e40025d8275406542

SHA1
cd8334d8aecd934bdac64cc0ae589cde07e97eac

SHA256
406fcb2823c1ab0ab0fc363700e1afe2d1add6a8d6c60695e3f4ea0ea899718c

SHA512
0be0bdce44c65631073bd40af2c250722219644bd3440ecc54e2fea9bbbce072b8454a2dad6fd7875c9e1386b93a266c7d11d43c77272b7ff90c5c821faf561d

Download Submit
memory/3664-3-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3664-5-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3664-7-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3780-0-0x0000000074BF2000-0x0000000074BF3000-memory.dmp

Filesize
4KB

Download
memory/3780-1-0x0000000074BF0000-0x00000000751A1000-memory.dmp

Filesize
5.7MB

Download
memory/3780-2-0x0000000074BF0000-0x00000000751A1000-memory.dmp

Filesize
5.7MB

Download
memory/3780-19-0x0000000074BF0000-0x00000000751A1000-memory.dmp

Filesize
5.7MB

Download
memory/4324-18-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads