748dc183e83381d023ded644e4a51a73e944a44b6646671c28548d23edc4393d

General

Target

c1b95fdae5f875d52e92f08d28cc72b5_JaffaCakes118.exe
Size

297KB
MD5

c1b95fdae5f875d52e92f08d28cc72b5
SHA1

c179b22e26fef6b2b6cc2f15db018033931d09f9
SHA256

748dc183e83381d023ded644e4a51a73e944a44b6646671c28548d23edc4393d
SHA512

39275a27eaf05f16412c49a62080af699bc799cafd392c487eb58bbe86c762c5dcc63d58e32e6237c6891ebca67455adfd703d14fa3ed6f7389dbf50fd91a769
SSDEEP

3072:X+SnAh4leg3EXMaKcSs3QOzB0eGwAPWpy39A4MLw472vkqNG:pAh4leorXcSsgOeeGwAB36B3uN

Score

10^/10

discovery persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\fsbjtbr = "{7ed15137-f659-4bae-076a-f659d9bf2a9b}"	rundll32.exe

Loads dropped DLL 3 IoCs

pid	Process
2084	rundll32.exe
2084	rundll32.exe
2084	rundll32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\xlqseuoj.dat	c1b95fdae5f875d52e92f08d28cc72b5_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\sfowgoe.dll	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\sfowgoe.dll	rundll32.exe
File created	C:\Windows\SysWOW64\eraisaq.dll	rundll32.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	c1b95fdae5f875d52e92f08d28cc72b5_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7ed15137-f659-4bae-076a-f659d9bf2a9b}\InprocServer32\ = "C:\\Windows\\SysWow64\\anweowm.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7ed15137-f659-4bae-076a-f659d9bf2a9b}\InprocServer32\ThreadingModel = "Apartment"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7ed15137-f659-4bae-076a-f659d9bf2a9b}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7ed15137-f659-4bae-076a-f659d9bf2a9b}\	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7ed15137-f659-4bae-076a-f659d9bf2a9b}\InprocServer32	rundll32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1496	c1b95fdae5f875d52e92f08d28cc72b5_JaffaCakes118.exe
1496	c1b95fdae5f875d52e92f08d28cc72b5_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1496	c1b95fdae5f875d52e92f08d28cc72b5_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1496	c1b95fdae5f875d52e92f08d28cc72b5_JaffaCakes118.exe
Token: SeDebugPrivilege	2084	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2084	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1496 wrote to memory of 2084	1496	c1b95fdae5f875d52e92f08d28cc72b5_JaffaCakes118.exe	30
PID 1496 wrote to memory of 2084	1496	c1b95fdae5f875d52e92f08d28cc72b5_JaffaCakes118.exe	30
PID 1496 wrote to memory of 2084	1496	c1b95fdae5f875d52e92f08d28cc72b5_JaffaCakes118.exe	30
PID 1496 wrote to memory of 2084	1496	c1b95fdae5f875d52e92f08d28cc72b5_JaffaCakes118.exe	30
PID 1496 wrote to memory of 2084	1496	c1b95fdae5f875d52e92f08d28cc72b5_JaffaCakes118.exe	30
PID 1496 wrote to memory of 2084	1496	c1b95fdae5f875d52e92f08d28cc72b5_JaffaCakes118.exe	30
PID 1496 wrote to memory of 2084	1496	c1b95fdae5f875d52e92f08d28cc72b5_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\c1b95fdae5f875d52e92f08d28cc72b5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c1b95fdae5f875d52e92f08d28cc72b5_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1496
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Windows\system32\xlqseuoj.dat" ajhatv
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2084

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\xlqseuoj.dat

Filesize
237KB

MD5
48a23ef1225cd1aac95a9e6fb7949637

SHA1
d8d163112ad12940117712f950731b4935a79258

SHA256
a83a6ba91a6b9514d0a717e7f0097f05cf998842806b67e9b0af6258193b78ae

SHA512
b3cd7b33e85f1776b6b781d890d643c01589f916d0618956be634350811d1cff47d0e298c0bd5cbaabbd85cdc2d2980bb88e19aa7494624c4063683a011f35e6

Download Submit
\Windows\SysWOW64\eraisaq.dll

Filesize
1.1MB

MD5
9b98d47916ead4f69ef51b56b0c2323c

SHA1
290a80b4ded0efc0fd00816f373fcea81a521330

SHA256
96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

SHA512
68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

Download Submit
\Windows\SysWOW64\sfowgoe.dll

Filesize
625KB

MD5
95e2376b3323f062eb562b8586d0f14a

SHA1
453d4c3bf4a489433b593420a37bbffb7749875a

SHA256
bd3fa8750123d00aa0967fba44372c46ea002681da9c9b77a4f9261553e26017

SHA512
b898603d07a49237e4dfc6872d5caa7616bae1258926f10e66c4d3f0d81cccefac1e844395b65bb1f308fbc022061b52e51f60658d0a546c04b365b3428cc87d

Download Submit
memory/1496-22-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2084-4-0x00000000001E1000-0x00000000001E9000-memory.dmp

Filesize
32KB

Download
memory/2084-15-0x00000000001E0000-0x0000000000225000-memory.dmp

Filesize
276KB

Download
memory/2084-14-0x00000000001E0000-0x0000000000225000-memory.dmp

Filesize
276KB

Download
memory/2084-16-0x00000000001E0000-0x0000000000225000-memory.dmp

Filesize
276KB

Download
memory/2084-19-0x00000000001E0000-0x0000000000225000-memory.dmp

Filesize
276KB

Download
memory/2084-3-0x00000000001E0000-0x0000000000225000-memory.dmp

Filesize
276KB

Download
memory/2084-21-0x00000000001E1000-0x00000000001E9000-memory.dmp

Filesize
32KB

Download
memory/2084-18-0x00000000001E0000-0x0000000000225000-memory.dmp

Filesize
276KB

Download
memory/2084-17-0x00000000001E0000-0x0000000000225000-memory.dmp

Filesize
276KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads