aa32a8d6fe434350d96fc75f3536fc35a8713561d39d2e64893617bc4b4fa1f0

General

Target

e9db65748b6a833e556d5c3393cdddae_JaffaCakes118.exe
Size

13KB
MD5

e9db65748b6a833e556d5c3393cdddae
SHA1

d242e83844f7f82ff8eabf18c3f19313845c7fe9
SHA256

aa32a8d6fe434350d96fc75f3536fc35a8713561d39d2e64893617bc4b4fa1f0
SHA512

41b033189ae8dc7b2f80360d1dfeef3f8584d0dab9b37a7eaf5d3d4a779a53404029474a2f8c76ef78b993ce00c9e9b12cb17c49b0fc61508bd8749ed1c255fe
SSDEEP

384:5tLoqw7DpkFqQon+hJEVNnznQ91XCQ1EA9PoKgLpN:3o2Fg6YNznQ91XCQ1Rf4r

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\jfytrcqq.dll = "{F0930A2F-D971-4828-8209-B7DFD266ED44}"	e9db65748b6a833e556d5c3393cdddae_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2900	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
2108	e9db65748b6a833e556d5c3393cdddae_JaffaCakes118.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\jfytrcqq.tmp	e9db65748b6a833e556d5c3393cdddae_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\jfytrcqq.tmp	e9db65748b6a833e556d5c3393cdddae_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\jfytrcqq.nls	e9db65748b6a833e556d5c3393cdddae_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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e9db65748b6a833e556d5c3393cdddae_JaffaCakes118.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F0930A2F-D971-4828-8209-B7DFD266ED44}	e9db65748b6a833e556d5c3393cdddae_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F0930A2F-D971-4828-8209-B7DFD266ED44}\InProcServer32	e9db65748b6a833e556d5c3393cdddae_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F0930A2F-D971-4828-8209-B7DFD266ED44}\InProcServer32\ = "C:\\Windows\\SysWow64\\jfytrcqq.dll"	e9db65748b6a833e556d5c3393cdddae_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F0930A2F-D971-4828-8209-B7DFD266ED44}\InProcServer32\ThreadingModel = "Apartment"	e9db65748b6a833e556d5c3393cdddae_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2108	e9db65748b6a833e556d5c3393cdddae_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2108	e9db65748b6a833e556d5c3393cdddae_JaffaCakes118.exe
2108	e9db65748b6a833e556d5c3393cdddae_JaffaCakes118.exe
2108	e9db65748b6a833e556d5c3393cdddae_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2108 wrote to memory of 2900	2108	e9db65748b6a833e556d5c3393cdddae_JaffaCakes118.exe	31
PID 2108 wrote to memory of 2900	2108	e9db65748b6a833e556d5c3393cdddae_JaffaCakes118.exe	31
PID 2108 wrote to memory of 2900	2108	e9db65748b6a833e556d5c3393cdddae_JaffaCakes118.exe	31
PID 2108 wrote to memory of 2900	2108	e9db65748b6a833e556d5c3393cdddae_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\e9db65748b6a833e556d5c3393cdddae_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e9db65748b6a833e556d5c3393cdddae_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:2108
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\C21.tmp.bat
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2900

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\C21.tmp.bat

Filesize
207B

MD5
71f35362cb42fc7a5d5ab18d3289ac66

SHA1
a2f8bdb402d635db091bb828e96a8f38a029341b

SHA256
555f9a9c33aee643681906e0d38e39a12ffbd4d4da0641e2e4a6732f6c0d6154

SHA512
dae94460598251dbd75c6e5d75f5e99d91ccdd0a7e3a2a15b453a088cc88c2ae8bccaeabab9ff1847cef8ed5412bfbf14b7f2397fe0d70a3d82821ec41c63dad

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

Filesize
428B

MD5
cb57debbe24ccb28ed9c534ef6171200

SHA1
9cdd93a7dcc0f57691bd8764d61cd57db6d4df2a

SHA256
161b5bc5b5b330df3b84b5f44d3200388a1c245d4c0483cab12117ca93bd48e9

SHA512
f7dcdb18052d0f69e19ad2de8db591755205cb7391c557f1d01d1a82f71851f24b5b78fc50618de5ef024234003989f8356550bee25525ded3ee4284037d9082

Download Submit
C:\Windows\SysWOW64\jfytrcqq.tmp

Filesize
2.1MB

MD5
0a3e3611c33c2fbc12665baac51ef0da

SHA1
6f6d06962222fbf8331a8c0434db3792ed0e64ae

SHA256
2e374e3e4cbc515fe0c61156edb0370c340648e09653b876ae5220f11962b5c9

SHA512
0030428f6ca823364665b968af2def4da5662b7fb5160182134e07d8a2c445e806ca12c0a71f60684cc99c84b12cd991adef317f25f401ab42dbda4f1417f58d

Download Submit
memory/2108-16-0x0000000010000000-0x0000000010008000-memory.dmp

Filesize
32KB

Download
memory/2108-25-0x0000000010000000-0x0000000010008000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads