262e46b982b3f41f14db92512c61c68188dd66871fb0aeb107120b0e50735ae1

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
27/07/2024, 09:33

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General

Target

77aef9a722bfc94579cc4bf6535ddf67_JaffaCakes118.exe
Size

38KB
MD5

77aef9a722bfc94579cc4bf6535ddf67
SHA1

044bf9f35e9686aacebf663f93176f8617205d56
SHA256

262e46b982b3f41f14db92512c61c68188dd66871fb0aeb107120b0e50735ae1
SHA512

5fd0a1ff90649a9cf3c156585de89a8285b9089df940fded46517a5d2935e1f146365f07606cf102d7b89630f9fb3c4989b825ebbf298dc46adb675194cd3e8f
SSDEEP

768:X+RFmnbfWDut1vC+bHyBtMLNe28DUMaV9NvSEqf/Z+FKWF:ORFyWuq+bHyBtMLX8DUjVzFqMFKWF

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2496	ntldr.exe

Loads dropped DLL 6 IoCs

pid	Process
3056	77aef9a722bfc94579cc4bf6535ddf67_JaffaCakes118.exe
3056	77aef9a722bfc94579cc4bf6535ddf67_JaffaCakes118.exe
2000	WerFault.exe
2000	WerFault.exe
2000	WerFault.exe
2000	WerFault.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\RCXD20E.tmp	77aef9a722bfc94579cc4bf6535ddf67_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\ntldr.exe	ntldr.exe
File created	C:\Windows\SysWOW64\ntldr.exe	ntldr.exe
File opened for modification	C:\Windows\SysWOW64\ntldr.exe	77aef9a722bfc94579cc4bf6535ddf67_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\ntldr.exe	77aef9a722bfc94579cc4bf6535ddf67_JaffaCakes118.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
308	3056	WerFault.exe	30
2000	2496	WerFault.exe	31

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	77aef9a722bfc94579cc4bf6535ddf67_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ntldr.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3056 wrote to memory of 2496	3056	77aef9a722bfc94579cc4bf6535ddf67_JaffaCakes118.exe	31
PID 3056 wrote to memory of 2496	3056	77aef9a722bfc94579cc4bf6535ddf67_JaffaCakes118.exe	31
PID 3056 wrote to memory of 2496	3056	77aef9a722bfc94579cc4bf6535ddf67_JaffaCakes118.exe	31
PID 3056 wrote to memory of 2496	3056	77aef9a722bfc94579cc4bf6535ddf67_JaffaCakes118.exe	31
PID 3056 wrote to memory of 308	3056	77aef9a722bfc94579cc4bf6535ddf67_JaffaCakes118.exe	32
PID 3056 wrote to memory of 308	3056	77aef9a722bfc94579cc4bf6535ddf67_JaffaCakes118.exe	32
PID 3056 wrote to memory of 308	3056	77aef9a722bfc94579cc4bf6535ddf67_JaffaCakes118.exe	32
PID 3056 wrote to memory of 308	3056	77aef9a722bfc94579cc4bf6535ddf67_JaffaCakes118.exe	32
PID 2496 wrote to memory of 2000	2496	ntldr.exe	33
PID 2496 wrote to memory of 2000	2496	ntldr.exe	33
PID 2496 wrote to memory of 2000	2496	ntldr.exe	33
PID 2496 wrote to memory of 2000	2496	ntldr.exe	33

C:\Users\Admin\AppData\Local\Temp\77aef9a722bfc94579cc4bf6535ddf67_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\77aef9a722bfc94579cc4bf6535ddf67_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3056
- C:\Windows\SysWOW64\ntldr.exe
  "C:\Windows\system32\ntldr.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2496
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2496 -s 124
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2000
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3056 -s 124
  2⤵
  - Program crash
  PID:308

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

\Windows\SysWOW64\ntldr.exe

Filesize
38KB

MD5
77aef9a722bfc94579cc4bf6535ddf67

SHA1
044bf9f35e9686aacebf663f93176f8617205d56

SHA256
262e46b982b3f41f14db92512c61c68188dd66871fb0aeb107120b0e50735ae1

SHA512
5fd0a1ff90649a9cf3c156585de89a8285b9089df940fded46517a5d2935e1f146365f07606cf102d7b89630f9fb3c4989b825ebbf298dc46adb675194cd3e8f

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