021b08b128e55914f9f15b6f651b883fb46dc8fade96aefc78dc83ce62772f7c

General

Target

b946ffde591c2d70e555a9b00b9a8dce_JaffaCakes118.exe
Size

191KB
MD5

b946ffde591c2d70e555a9b00b9a8dce
SHA1

75144d53d14e2057e8e1754c79d3316ed54db3e5
SHA256

021b08b128e55914f9f15b6f651b883fb46dc8fade96aefc78dc83ce62772f7c
SHA512

34ef57f07edfa5a7eaab768a356a53f845d1c2616b09a1916d60dfd93a7f852559be3a9e4a3a82f3796f2f8badb09860406f6195e6fd85f71b5337ce03c6613e
SSDEEP

3072:Knj9jtfU+INndIc0Jm5lz8BJVw4RajCtQtSNXx6+9sRYkEP3l8X0SX2dBE/Qz:KjbeiXVwrCyANXQ+9sRYfP18X0I2dL

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2960	serveur.exe
5052	serveur.exe

Adds Run key to start application 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\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	b946ffde591c2d70e555a9b00b9a8dce_JaffaCakes118.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly\Desktop.ini	serveur.exe
File created	C:\Windows\assembly\Desktop.ini	serveur.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	serveur.exe
File created	C:\Windows\assembly\Desktop.ini	serveur.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	serveur.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	b946ffde591c2d70e555a9b00b9a8dce_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	serveur.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	serveur.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	2960	serveur.exe
Token: 33	2960	serveur.exe
Token: SeIncBasePriorityPrivilege	2960	serveur.exe
Token: 33	2960	serveur.exe
Token: SeIncBasePriorityPrivilege	2960	serveur.exe
Token: SeDebugPrivilege	5052	serveur.exe
Token: 33	5052	serveur.exe
Token: SeIncBasePriorityPrivilege	5052	serveur.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4756 wrote to memory of 2960	4756	b946ffde591c2d70e555a9b00b9a8dce_JaffaCakes118.exe	84
PID 4756 wrote to memory of 2960	4756	b946ffde591c2d70e555a9b00b9a8dce_JaffaCakes118.exe	84
PID 4756 wrote to memory of 2960	4756	b946ffde591c2d70e555a9b00b9a8dce_JaffaCakes118.exe	84
PID 4756 wrote to memory of 5052	4756	b946ffde591c2d70e555a9b00b9a8dce_JaffaCakes118.exe	88
PID 4756 wrote to memory of 5052	4756	b946ffde591c2d70e555a9b00b9a8dce_JaffaCakes118.exe	88
PID 4756 wrote to memory of 5052	4756	b946ffde591c2d70e555a9b00b9a8dce_JaffaCakes118.exe	88

C:\Users\Admin\AppData\Local\Temp\b946ffde591c2d70e555a9b00b9a8dce_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b946ffde591c2d70e555a9b00b9a8dce_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4756
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\serveur.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\serveur.exe
  2⤵
  - Executes dropped EXE
  - Drops desktop.ini file(s)
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2960
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\serveur.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\serveur.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:5052

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\serveur.exe.log

Filesize
485B

MD5
68d66c3ee003384f5ea5fd6bd3dfcdd0

SHA1
eef79b09bea7f0b79179128109622bf46cfc62cf

SHA256
e870623c86102754d1a1df3397392f3fb8453f9850dd7c57977aa1e67ccf719c

SHA512
76ffdbe92debbde9b07eb6958ebc2578f4f5095a1f0f8b483542288f1c0d778c17e92e9aa18bb65faa90461810f2156b11c69b1614702315023be6a11686e75a

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\serveur.exe

Filesize
194KB

MD5
0e2cfcd1c6d43e924aac1297da7b93d3

SHA1
a51eaece3a9a305d34e4ca6ac2d757a385302f3c

SHA256
284fe4a8bf4d940fe7d44962365ec127663cdf81a6712cd084d1b80a45f694ed

SHA512
916a162dae898e331acd13661674ece8356741c10c45d541c47cbaac81a8d928b0cfbef06f76587addec4fc293d96ed740f4f11ddf7ff7dfec4f597e887c9f25

Download Submit
memory/2960-5-0x00000000741F2000-0x00000000741F3000-memory.dmp

Filesize
4KB

Download
memory/2960-6-0x00000000741F0000-0x00000000747A1000-memory.dmp

Filesize
5.7MB

Download
memory/2960-7-0x00000000741F0000-0x00000000747A1000-memory.dmp

Filesize
5.7MB

Download
memory/2960-11-0x00000000741F0000-0x00000000747A1000-memory.dmp

Filesize
5.7MB

Download
memory/5052-14-0x00000000741F0000-0x00000000747A1000-memory.dmp

Filesize
5.7MB

Download
memory/5052-15-0x00000000741F0000-0x00000000747A1000-memory.dmp

Filesize
5.7MB

Download
memory/5052-16-0x00000000741F0000-0x00000000747A1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads