f18f7d106e180317dded536bc89c2f9ab594c93ceadad9be47df00e0865ff824

General

Target

b7cbf5f879ed0aaac5968be4d6d01c71_JaffaCakes118.exe
Size

156KB
MD5

b7cbf5f879ed0aaac5968be4d6d01c71
SHA1

9c7c21e74976338fe28b8fe8ada8f566604554db
SHA256

f18f7d106e180317dded536bc89c2f9ab594c93ceadad9be47df00e0865ff824
SHA512

650f239a12d5ff624de528940eee823b61561fb4569b78f19e286178b352f7aab83488efec3e2fa24399ae230d429a9d6480acbc9ed6b89be3e13f4765f21e58
SSDEEP

384:KzZgubkc7owyRaeV74Rf5tTOHqpLoPo9RAp3qYjVOcGJi92pIHOIpHVQyBT5B:sgskZZRD94bRoVqYQ0OPIJVl5B

Score

10^/10

discovery evasion persistence

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	yzgbqmtfhwakv.exe

Disables RegEdit via registry modification 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	yzgbqmtfhwakv.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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	b7cbf5f879ed0aaac5968be4d6d01c71_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
4936	yzgbqmtfhwakv.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\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zxqgho8zr5k7zdlx70haa6dwnrtkv5m41qtvx4m0rpx = "C:\\Users\\Admin\\AppData\\Local\\Temp\\yzgbqmtfhwakv.exe"	b7cbf5f879ed0aaac5968be4d6d01c71_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\q7gqbyii1lorxp0hjn5nxvl9dklrr6hrvrepjb = "C:\\Users\\Admin\\AppData\\Local\\Temp\\cn1mpny06zm.exe"	yzgbqmtfhwakv.exe

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	b7cbf5f879ed0aaac5968be4d6d01c71_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	yzgbqmtfhwakv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies Internet Explorer settings 1 TTPs 3 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\New Windows\PopupMgr = "yes"	yzgbqmtfhwakv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Display Inline Images = "no"	yzgbqmtfhwakv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Display Inline Videos = "no"	yzgbqmtfhwakv.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2924 wrote to memory of 4936	2924	b7cbf5f879ed0aaac5968be4d6d01c71_JaffaCakes118.exe	93
PID 2924 wrote to memory of 4936	2924	b7cbf5f879ed0aaac5968be4d6d01c71_JaffaCakes118.exe	93
PID 2924 wrote to memory of 4936	2924	b7cbf5f879ed0aaac5968be4d6d01c71_JaffaCakes118.exe	93
PID 2924 wrote to memory of 772	2924	b7cbf5f879ed0aaac5968be4d6d01c71_JaffaCakes118.exe	94
PID 2924 wrote to memory of 772	2924	b7cbf5f879ed0aaac5968be4d6d01c71_JaffaCakes118.exe	94
PID 2924 wrote to memory of 772	2924	b7cbf5f879ed0aaac5968be4d6d01c71_JaffaCakes118.exe	94

C:\Users\Admin\AppData\Local\Temp\b7cbf5f879ed0aaac5968be4d6d01c71_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b7cbf5f879ed0aaac5968be4d6d01c71_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2924
- C:\Users\Admin\AppData\Local\Temp\yzgbqmtfhwakv.exe
  C:\Users\Admin\AppData\Local\Temp\yzgbqmtfhwakv.exe wwww
  2⤵
  - Modifies visibility of file extensions in Explorer
  - Disables RegEdit via registry modification
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  PID:4936
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\gtseyhbe7.bat" "C:\Users\Admin\AppData\Local\Temp\b7cbf5f879ed0aaac5968be4d6d01c71_JaffaCakes118.exe""
  2⤵
  - System Location Discovery: System Language Discovery
  PID:772

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

Hide Artifacts

1

T1564

Hidden Files and Directories

Modify Registry

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\gtseyhbe7.bat

Filesize
52B

MD5
8db53e31a3117b405e1abf5ba790bf9e

SHA1
242a8834c7c89a12336481b5e2c3264672f9ffc4

SHA256
669a10708b8b580ecdb9d50e83c2e2a8826155c1836d27d6e9f418bccf06c87c

SHA512
b8bff236a0bb3b161295665db26c9ac597441d2bf19acdeb2a70c1f6c75d8f6268dfa1241926b0400aa98c89b4acebc7ae6216a03558231706480a0dc990499f

Download Submit
C:\Users\Admin\AppData\Local\Temp\yzgbqmtfhwakv.exe

Filesize
156KB

MD5
b7cbf5f879ed0aaac5968be4d6d01c71

SHA1
9c7c21e74976338fe28b8fe8ada8f566604554db

SHA256
f18f7d106e180317dded536bc89c2f9ab594c93ceadad9be47df00e0865ff824

SHA512
650f239a12d5ff624de528940eee823b61561fb4569b78f19e286178b352f7aab83488efec3e2fa24399ae230d429a9d6480acbc9ed6b89be3e13f4765f21e58

Download Submit
memory/2924-10-0x0000000000401000-0x0000000000406000-memory.dmp

Filesize
20KB

Download
memory/2924-3-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2924-4-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2924-2-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2924-0-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2924-12-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2924-1-0x0000000000401000-0x0000000000406000-memory.dmp

Filesize
20KB

Download
memory/4936-14-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/4936-13-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/4936-19-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/4936-20-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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