a663c067d85d1300cba2770cc16591bb2c089017d96af554b2fe367f06f1d50a

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
24/08/2024, 21:47

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General

Target

bf7b71f1f42c9e7dccb590b39b7f5844_JaffaCakes118.exe
Size

301KB
MD5

bf7b71f1f42c9e7dccb590b39b7f5844
SHA1

cb8317d7dd54ff2ee020847c17c1c1e0e6a3768c
SHA256

a663c067d85d1300cba2770cc16591bb2c089017d96af554b2fe367f06f1d50a
SHA512

97e91f671b9a0b2d8cc2bae9b332cd7aaa7b65710f80a4dde9f74dda929b5dae458fc9ae7bd466cc0931df4f574eed1efbd7956d8bf293022c09917ef8a603ac
SSDEEP

6144:BtuIDeTpxqdSzLWPu7g/Hc2dwv/rCPCE+nPTzojQNHJCOdZUDfQ6w6BumD01QX:BttD382t/Hcmwv/rCK1nCQNHJ1wsmumF

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2432	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
2572	lepu.exe
2780	lepu.exe

Loads dropped DLL 5 IoCs

pid	Process
2640	bf7b71f1f42c9e7dccb590b39b7f5844_JaffaCakes118.exe
2480	WerFault.exe
2480	WerFault.exe
2480	WerFault.exe
2480	WerFault.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2972 set thread context of 2640	2972	bf7b71f1f42c9e7dccb590b39b7f5844_JaffaCakes118.exe	29
PID 2572 set thread context of 2780	2572	lepu.exe	31

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2480	2780	WerFault.exe	31

System Location Discovery: System Language Discovery 1 TTPs 5 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	lepu.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lepu.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bf7b71f1f42c9e7dccb590b39b7f5844_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bf7b71f1f42c9e7dccb590b39b7f5844_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2972 wrote to memory of 2640	2972	bf7b71f1f42c9e7dccb590b39b7f5844_JaffaCakes118.exe	29
PID 2972 wrote to memory of 2640	2972	bf7b71f1f42c9e7dccb590b39b7f5844_JaffaCakes118.exe	29
PID 2972 wrote to memory of 2640	2972	bf7b71f1f42c9e7dccb590b39b7f5844_JaffaCakes118.exe	29
PID 2972 wrote to memory of 2640	2972	bf7b71f1f42c9e7dccb590b39b7f5844_JaffaCakes118.exe	29
PID 2972 wrote to memory of 2640	2972	bf7b71f1f42c9e7dccb590b39b7f5844_JaffaCakes118.exe	29
PID 2972 wrote to memory of 2640	2972	bf7b71f1f42c9e7dccb590b39b7f5844_JaffaCakes118.exe	29
PID 2972 wrote to memory of 2640	2972	bf7b71f1f42c9e7dccb590b39b7f5844_JaffaCakes118.exe	29
PID 2972 wrote to memory of 2640	2972	bf7b71f1f42c9e7dccb590b39b7f5844_JaffaCakes118.exe	29
PID 2972 wrote to memory of 2640	2972	bf7b71f1f42c9e7dccb590b39b7f5844_JaffaCakes118.exe	29
PID 2640 wrote to memory of 2572	2640	bf7b71f1f42c9e7dccb590b39b7f5844_JaffaCakes118.exe	30
PID 2640 wrote to memory of 2572	2640	bf7b71f1f42c9e7dccb590b39b7f5844_JaffaCakes118.exe	30
PID 2640 wrote to memory of 2572	2640	bf7b71f1f42c9e7dccb590b39b7f5844_JaffaCakes118.exe	30
PID 2640 wrote to memory of 2572	2640	bf7b71f1f42c9e7dccb590b39b7f5844_JaffaCakes118.exe	30
PID 2572 wrote to memory of 2780	2572	lepu.exe	31
PID 2572 wrote to memory of 2780	2572	lepu.exe	31
PID 2572 wrote to memory of 2780	2572	lepu.exe	31
PID 2572 wrote to memory of 2780	2572	lepu.exe	31
PID 2572 wrote to memory of 2780	2572	lepu.exe	31
PID 2572 wrote to memory of 2780	2572	lepu.exe	31
PID 2572 wrote to memory of 2780	2572	lepu.exe	31
PID 2572 wrote to memory of 2780	2572	lepu.exe	31
PID 2572 wrote to memory of 2780	2572	lepu.exe	31
PID 2640 wrote to memory of 2432	2640	bf7b71f1f42c9e7dccb590b39b7f5844_JaffaCakes118.exe	32
PID 2640 wrote to memory of 2432	2640	bf7b71f1f42c9e7dccb590b39b7f5844_JaffaCakes118.exe	32
PID 2640 wrote to memory of 2432	2640	bf7b71f1f42c9e7dccb590b39b7f5844_JaffaCakes118.exe	32
PID 2640 wrote to memory of 2432	2640	bf7b71f1f42c9e7dccb590b39b7f5844_JaffaCakes118.exe	32
PID 2780 wrote to memory of 2480	2780	lepu.exe	33
PID 2780 wrote to memory of 2480	2780	lepu.exe	33
PID 2780 wrote to memory of 2480	2780	lepu.exe	33
PID 2780 wrote to memory of 2480	2780	lepu.exe	33

C:\Users\Admin\AppData\Local\Temp\bf7b71f1f42c9e7dccb590b39b7f5844_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bf7b71f1f42c9e7dccb590b39b7f5844_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2972
- C:\Users\Admin\AppData\Local\Temp\bf7b71f1f42c9e7dccb590b39b7f5844_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\bf7b71f1f42c9e7dccb590b39b7f5844_JaffaCakes118.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2640
- - C:\Users\Admin\AppData\Roaming\Feyzaz\lepu.exe
    "C:\Users\Admin\AppData\Roaming\Feyzaz\lepu.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2572
  - - C:\Users\Admin\AppData\Roaming\Feyzaz\lepu.exe
      "C:\Users\Admin\AppData\Roaming\Feyzaz\lepu.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2780
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2780 -s 180
        5⤵
        Loads dropped DLL
        Program crash
        
        PID:2480
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmpd6ed93dc.bat"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2432

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpd6ed93dc.bat

Filesize
271B

MD5
2fa82cc4370ed22494fbe720068e18c1

SHA1
dcf3dc02e4206a54e8fffaa5ebc9463cd2bc6543

SHA256
11e3422d71aec5e6123094e2ac780ae98837eef368be414a295f76484b5a6357

SHA512
d874eda4abfbbffe92ad964fcf1f618612b4cf4ac8d26bf4ed10a020da77f29279f9824e40882e65603e177d890b21c198ccd7c5e6dce184636be4a50be9fdd2

Download Submit
\Users\Admin\AppData\Roaming\Feyzaz\lepu.exe

Filesize
301KB

MD5
a2930806aa30a54964cb6c08cb08b156

SHA1
bfa90a406fdd5c52ecd03b7dfda2a844564582e4

SHA256
85e1d1d6c1aae7c3a1fe4245980068992b60389d5822dc57e8319fad2de05227

SHA512
3894a460daf819a584d505a4f256ce5d545b81a064329005d1574c83683afd7a9e66fc4b9e2b321e19294febccf2e3265cf241f7dde072073f24dcdf1cf30887

Download Submit
memory/2572-40-0x00000000012B0000-0x00000000012FD000-memory.dmp

Filesize
308KB

Download
memory/2572-28-0x00000000012B0000-0x00000000012FD000-memory.dmp

Filesize
308KB

Download
memory/2640-8-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2640-19-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2640-1-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2640-5-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2640-3-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2640-16-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2640-17-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2640-18-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2640-20-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2640-45-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2640-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2640-12-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2640-26-0x0000000000120000-0x000000000016D000-memory.dmp

Filesize
308KB

Download
memory/2780-36-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2972-15-0x0000000000F60000-0x0000000000FAD000-memory.dmp

Filesize
308KB

Download
memory/2972-0-0x0000000000F60000-0x0000000000FAD000-memory.dmp

Filesize
308KB

Download
memory/2972-6-0x00000000000F0000-0x000000000013D000-memory.dmp

Filesize
308KB

Download