6e099ea101c25f2f052e7fb9eea5faa50be9bad020f3a37c7eca892d8a153171

General

Target

6c459f1f2a7f8ce737c09fefcef394fa_JaffaCakes118.exe
Size

426KB
MD5

6c459f1f2a7f8ce737c09fefcef394fa
SHA1

6375112f6aa2712764d5b2144e1a8daae2d6d05d
SHA256

6e099ea101c25f2f052e7fb9eea5faa50be9bad020f3a37c7eca892d8a153171
SHA512

d3b859a16aa2d7809402272094338c29c8b31d7f96ccb9714d2e45394828c58bc92d510cf077e5c53fb93271e75f67877302c7d41a397037d57f5a21431107c1
SSDEEP

12288:hoXbRNyW4J2Kv+El/qX6Fimz4aa0p81MxAqnuz:hqb3KJH/np6F+uz

Score

8^/10

discovery evasion persistence trojan

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	6c459f1f2a7f8ce737c09fefcef394fa_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\DTDMAGSE = "C:\\Windows\\SysWOW64\\keyisoa.exe"	6c459f1f2a7f8ce737c09fefcef394fa_JaffaCakes118.exe

Drops file in Drivers directory 1 IoCs

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

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	6c459f1f2a7f8ce737c09fefcef394fa_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2780	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2988	keyisoa.exe

Loads dropped DLL 2 IoCs

pid	Process
1744	6c459f1f2a7f8ce737c09fefcef394fa_JaffaCakes118.exe
1744	6c459f1f2a7f8ce737c09fefcef394fa_JaffaCakes118.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	6c459f1f2a7f8ce737c09fefcef394fa_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\keyisoa.exe	6c459f1f2a7f8ce737c09fefcef394fa_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\keyisoa.exe	6c459f1f2a7f8ce737c09fefcef394fa_JaffaCakes118.exe

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

System Information Discovery
T1082

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
2564	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1744	6c459f1f2a7f8ce737c09fefcef394fa_JaffaCakes118.exe
1744	6c459f1f2a7f8ce737c09fefcef394fa_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1744	6c459f1f2a7f8ce737c09fefcef394fa_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2988	keyisoa.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1744 wrote to memory of 2988	1744	6c459f1f2a7f8ce737c09fefcef394fa_JaffaCakes118.exe	28
PID 1744 wrote to memory of 2988	1744	6c459f1f2a7f8ce737c09fefcef394fa_JaffaCakes118.exe	28
PID 1744 wrote to memory of 2988	1744	6c459f1f2a7f8ce737c09fefcef394fa_JaffaCakes118.exe	28
PID 1744 wrote to memory of 2988	1744	6c459f1f2a7f8ce737c09fefcef394fa_JaffaCakes118.exe	28
PID 2988 wrote to memory of 2564	2988	keyisoa.exe	30
PID 2988 wrote to memory of 2564	2988	keyisoa.exe	30
PID 2988 wrote to memory of 2564	2988	keyisoa.exe	30
PID 2988 wrote to memory of 2564	2988	keyisoa.exe	30
PID 1744 wrote to memory of 2780	1744	6c459f1f2a7f8ce737c09fefcef394fa_JaffaCakes118.exe	31
PID 1744 wrote to memory of 2780	1744	6c459f1f2a7f8ce737c09fefcef394fa_JaffaCakes118.exe	31
PID 1744 wrote to memory of 2780	1744	6c459f1f2a7f8ce737c09fefcef394fa_JaffaCakes118.exe	31
PID 1744 wrote to memory of 2780	1744	6c459f1f2a7f8ce737c09fefcef394fa_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\6c459f1f2a7f8ce737c09fefcef394fa_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6c459f1f2a7f8ce737c09fefcef394fa_JaffaCakes118.exe"
1⤵
- Adds policy Run key to start application
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1744
- C:\Windows\SysWOW64\keyisoa.exe
  C:\Windows\SysWOW64\keyisoa.exe
  2⤵
  - Drops file in Drivers directory
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2988
- - C:\Windows\SysWOW64\ipconfig.exe
    "C:\Windows\system32\ipconfig.exe" /flushdns
    3⤵
    - Gathers network information
    PID:2564
- C:\Windows\SysWOW64\cmd.exe
  /c C:\Users\Admin\AppData\Local\Temp\~unins1816.bat "C:\Users\Admin\AppData\Local\Temp\6c459f1f2a7f8ce737c09fefcef394fa_JaffaCakes118.exe"
  2⤵
  - Deletes itself
  PID:2780

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

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

2

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\~unins1816.bat

Filesize
49B

MD5
9e0a2f5ab30517809b95a1ff1dd98c53

SHA1
5c1eefdf10e67d1e9216e2e3f5e92352d583c9ce

SHA256
97ac9fee75a1f7b63b3115e9c4fb9dda80b1caba26d2fb51325670dee261fe32

SHA512
e959cc1fd48fb1cccf135a697924c775a3812bab211fc7f9b00c5a9d617261d84c5d6f7cb548774c1e8f46811b06ca39c5603d0e10cbcb7b805f9abbe49b9b42

Download Submit
C:\Windows\SysWOW64\keyisoa.exe

Filesize
164KB

MD5
67a9a64c6bd2c2572fe296b3f02dabe3

SHA1
735c4245e4d4aa5cacb1001cbb475e1c2e50ded9

SHA256
a873018a065688a820f4a308eed8625c31d880212f7f536834de1a4d81a5a4bb

SHA512
7aed226e005c3b5abcefc13015a532eccf9cfe0bd9298510c9d0a8b21e67bbc0635b7c72274528e0d2b47826d685244f08399ab440028ff0f57409919d2ae1b3

Download Submit
memory/1744-2-0x0000000000220000-0x00000000002C2000-memory.dmp

Filesize
648KB

Download
memory/1744-1-0x0000000000466000-0x00000000004C3000-memory.dmp

Filesize
372KB

Download
memory/1744-0-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/1744-6-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/1744-25-0x0000000000466000-0x00000000004C3000-memory.dmp

Filesize
372KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads