9e2a733100cf0950a930b85c3846a67f18b0a51e76a61abc13c5b7597a7053a1

General

Target

bb370ea3fd978255c46f678901f07933_JaffaCakes118.exe
Size

175KB
MD5

bb370ea3fd978255c46f678901f07933
SHA1

a2860e35b6d2aa5a38b9669b69cb66adffcd6330
SHA256

9e2a733100cf0950a930b85c3846a67f18b0a51e76a61abc13c5b7597a7053a1
SHA512

9cf74449d94864c17d2fe1555154f38c9607deaba74eac3f1e8cadc94d38e9a71afa576968173443a16f3309b732639e27427c6825cf7a65df2a2324e940e711
SSDEEP

3072:29r7km1Sihv1hfhxefD4ODtcvGia4WExhqCeiRJhPh1egYXea:bmLhvDhgbJ4GPCV3h1

Score

8^/10

Malware Config

Signatures

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	bb370ea3fd978255c46f678901f07933_JaffaCakes118.exe

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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	bb370ea3fd978255c46f678901f07933_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
3076	dplaysvr.exe

Loads dropped DLL 1 IoCs

pid	Process
3076	dplaysvr.exe

Adds Run key to start application 2 TTPs 2 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\dplaysvr = "C:\\Users\\Admin\\AppData\\Local\\dplaysvr.exe"	bb370ea3fd978255c46f678901f07933_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dplaysvr = "C:\\Users\\Admin\\AppData\\Local\\dplaysvr.exe"	bb370ea3fd978255c46f678901f07933_JaffaCakes118.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3760	3076	WerFault.exe	88

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	bb370ea3fd978255c46f678901f07933_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DllHost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dplaysvr.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	bb370ea3fd978255c46f678901f07933_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4320 wrote to memory of 3076	4320	bb370ea3fd978255c46f678901f07933_JaffaCakes118.exe	88
PID 4320 wrote to memory of 3076	4320	bb370ea3fd978255c46f678901f07933_JaffaCakes118.exe	88
PID 4320 wrote to memory of 3076	4320	bb370ea3fd978255c46f678901f07933_JaffaCakes118.exe	88

C:\Users\Admin\AppData\Local\Temp\bb370ea3fd978255c46f678901f07933_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bb370ea3fd978255c46f678901f07933_JaffaCakes118.exe"
1⤵
- Drops file in Drivers directory
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4320
- C:\Users\Admin\AppData\Local\dplaysvr.exe
  "C:\Users\Admin\AppData\Local\dplaysvr.exe" C:\Users\Admin\AppData\Local\Temp\bb370ea3fd978255c46f678901f07933_JaffaCakes118.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:3076
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3076 -s 3436
    3⤵
    - Program crash
    PID:3760

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{3AD05575-8857-4850-9277-11B85BDB8E09}
1⤵
- System Location Discovery: System Language Discovery
PID:748

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3076 -ip 3076
1⤵
PID:464

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\809A.tmp

Filesize
75KB

MD5
03a57fb675ac8eac500e588c83a6186e

SHA1
209d8719f03ccbce0daf172835b9b85b03979f81

SHA256
173bb029fc97187ea38e58d4037dfb9b7804ad5de4d62b9e3c10321c4ac4aedc

SHA512
4b03b5ef0d5c4f7933155731f791ab6c00920883a94bb69efed498aa581fe91d8f0af64a9d2fb17db7b466818b98eaacd744eb4f941b624113c38a36592e7c22

Download Submit
C:\Users\Admin\AppData\Local\Temp\809B.tmp

Filesize
53KB

MD5
970e3284abe9de5b5a7a03062d9c63c9

SHA1
563cbf9569dfc6a8d33eeb5aec257ea1ce25abbd

SHA256
a66596e160349d90817edd42a74fa0dd3660e38a46520d4a54e7aa225cf355f2

SHA512
1716597fed66b66db185494d199739e6255d24c4e0ec652256f0bd49730a2a1e77081f3dd788f64dd46a559acc6dd74630a2fa58dfaa55573bbb836999318053

Download Submit
C:\Users\Admin\AppData\Local\Temp\809D.tmp

Filesize
884B

MD5
04bcae8a7bc7c9a45bba0c385e77120a

SHA1
342019562da65dd0290466c6a1d00392d51b6b54

SHA256
954eebeea30d81be278baeb2c8bda672ced4714b5d5906e270317ce44f512c88

SHA512
c42f845a33a70b88f6e9b4b2e4b77f1d952108579d4db804c403394873e4967f57815021e89412030bc14c10b4b6e67a3ae46c0ea18ef6c8949a6a79c554e5c3

Download Submit
memory/3076-20-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3076-23-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3076-24-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3076-26-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3076-27-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4320-1-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4320-0-0x00000000021B0000-0x00000000021DE000-memory.dmp

Filesize
184KB

Download
memory/4320-21-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4320-30-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads