0b97c2370eda2bef6f974851702c6cb95e997871498224d43c26152093d42c8b

General

Target

a0acbc800f424f097e86cc46f6dbc89d_JaffaCakes118.exe
Size

13KB
MD5

a0acbc800f424f097e86cc46f6dbc89d
SHA1

9ef7ccc0d652177355791c4a1f1243d7b0d04fd6
SHA256

0b97c2370eda2bef6f974851702c6cb95e997871498224d43c26152093d42c8b
SHA512

ee97bd3468dc4c097ec37dc7fd7400db2b142749ba0d6f273a528b7565f8e93dc8e773962f8cb9c4495d0de74a74f9af6e84a39a5492ae65544cad88c3c2aeee
SSDEEP

384:MKakE9pT5A6V6Z4LS6s/m5zLxDD6TBlgB:BBE9J5L6Zgsm5zLxDD6Tc

Score

10^/10

discovery persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 1 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\ShellServiceObjectDelayLoad\slbiopfs2.dll = "{EB9660D8-E1CD-4ff0-B4A9-00CD907F928A}"	a0acbc800f424f097e86cc46f6dbc89d_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2740	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
280	a0acbc800f424f097e86cc46f6dbc89d_JaffaCakes118.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\slbiopfs2.nls	a0acbc800f424f097e86cc46f6dbc89d_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\slbiopfs2.tmp	a0acbc800f424f097e86cc46f6dbc89d_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\slbiopfs2.tmp	a0acbc800f424f097e86cc46f6dbc89d_JaffaCakes118.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	a0acbc800f424f097e86cc46f6dbc89d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EB9660D8-E1CD-4ff0-B4A9-00CD907F928A}\InProcServer32	a0acbc800f424f097e86cc46f6dbc89d_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EB9660D8-E1CD-4ff0-B4A9-00CD907F928A}\InProcServer32\ = "C:\\Windows\\SysWow64\\slbiopfs2.dll"	a0acbc800f424f097e86cc46f6dbc89d_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EB9660D8-E1CD-4ff0-B4A9-00CD907F928A}\InProcServer32\ThreadingModel = "Apartment"	a0acbc800f424f097e86cc46f6dbc89d_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EB9660D8-E1CD-4ff0-B4A9-00CD907F928A}	a0acbc800f424f097e86cc46f6dbc89d_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
280	a0acbc800f424f097e86cc46f6dbc89d_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
280	a0acbc800f424f097e86cc46f6dbc89d_JaffaCakes118.exe
280	a0acbc800f424f097e86cc46f6dbc89d_JaffaCakes118.exe
280	a0acbc800f424f097e86cc46f6dbc89d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 280 wrote to memory of 2740	280	a0acbc800f424f097e86cc46f6dbc89d_JaffaCakes118.exe	30
PID 280 wrote to memory of 2740	280	a0acbc800f424f097e86cc46f6dbc89d_JaffaCakes118.exe	30
PID 280 wrote to memory of 2740	280	a0acbc800f424f097e86cc46f6dbc89d_JaffaCakes118.exe	30
PID 280 wrote to memory of 2740	280	a0acbc800f424f097e86cc46f6dbc89d_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\a0acbc800f424f097e86cc46f6dbc89d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a0acbc800f424f097e86cc46f6dbc89d_JaffaCakes118.exe"
1⤵
- 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 behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:280
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\898A.tmp.bat
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2740

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\898A.tmp.bat

Filesize
207B

MD5
b29ffbdd4ffd7f18824fb1df9f1b0a76

SHA1
5ea562578a6a42ad2b652107f12cc6fe210dfa20

SHA256
83aca7786088c40538ac7900038c365972d2c8b4146019234cbdeba3b4d9a4a8

SHA512
629c7bd23ed1a737d4ef1023de82c154636443e1b696c4b7b6fe71e272d06e611abc5958cb5a2fb94a9c0650e104220a3cf00b3ddc46351cae39fd50cdabe880

Download Submit
C:\Windows\SysWOW64\slbiopfs2.nls

Filesize
428B

MD5
b3a3567571d4143c292cd004e4936f96

SHA1
61cca5c1984fe81d3f93cb97d1d4381001845244

SHA256
fa9b2b45c2181f33e1a9445a4491e0c03cdf65f2722fe9123297c048599db89f

SHA512
ae69fd9c8f38f56df7933cbef4ac0b9314e70b0899f267a8b347e370360a3b57dddcb37e892049c832660597a5722f44243044bbb62cc4cce29d8dc9294d6319

Download Submit
\Windows\SysWOW64\slbiopfs2.dll

Filesize
2.5MB

MD5
f4df7a997bffd45f15013f0a91fbf3b4

SHA1
02cec1ae027b42671284979fb597fe550a4f2162

SHA256
5cb8e39a48065c5636775f2ee743c59cb62cbaa0bf4c77beb84c47305f66796f

SHA512
9ee56a290a50d706a12d8fae71b0fee4c8d06b3af20cf91233b21e0f647bbc4d81c79abe3d85a491e967451cacd7129d75808fdb2d9c1b3b01684e8cc9872f32

Download Submit
memory/280-16-0x0000000010000000-0x0000000010008000-memory.dmp

Filesize
32KB

Download
memory/280-25-0x0000000010000000-0x0000000010008000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads