ea4a967967abd9e80c0d90b656df1bcf2bd69d09c5cc75e9534222330c996c4e

General

Target

8949532a3675ce0da1df9e97a796d142_JaffaCakes118.exe
Size

110KB
MD5

8949532a3675ce0da1df9e97a796d142
SHA1

d77644b2f21ecd71eef297da2ddfcb7b90000975
SHA256

ea4a967967abd9e80c0d90b656df1bcf2bd69d09c5cc75e9534222330c996c4e
SHA512

dcf73bdaa68af1011c61a45e07fbf9ca12e595824387f58d22444a2c2da4cecf88ad1f76af6db437dfa6496436754cf6377a6725c1f6e9f4f28193cae8a2ef1d
SSDEEP

3072:RmMJrBwzBaCzZ/T7VnRhhoYHHvapVWeO2W:R14BaC9BJdHvapVvOd

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2440	Exploer.exe

Loads dropped DLL 2 IoCs

pid	Process
2736	8949532a3675ce0da1df9e97a796d142_JaffaCakes118.exe
2736	8949532a3675ce0da1df9e97a796d142_JaffaCakes118.exe

UPX packed file 11 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2736-0-0x0000000000400000-0x000000000046D000-memory.dmp	upx
behavioral1/files/0x0008000000016d29-6.dat	upx
behavioral1/memory/2736-8-0x0000000003670000-0x00000000036DD000-memory.dmp	upx
behavioral1/memory/2736-18-0x0000000000400000-0x000000000046D000-memory.dmp	upx
behavioral1/memory/2440-24-0x0000000000400000-0x000000000046D000-memory.dmp	upx
behavioral1/memory/2440-36-0x0000000000400000-0x000000000046D000-memory.dmp	upx
behavioral1/memory/2440-48-0x0000000000400000-0x000000000046D000-memory.dmp	upx
behavioral1/memory/2440-59-0x0000000000400000-0x000000000046D000-memory.dmp	upx
behavioral1/memory/2440-72-0x0000000000400000-0x000000000046D000-memory.dmp	upx
behavioral1/memory/2440-90-0x0000000000400000-0x000000000046D000-memory.dmp	upx
behavioral1/memory/2440-101-0x0000000000400000-0x000000000046D000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 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\Run\Winupdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8949532a3675ce0da1df9e97a796d142_JaffaCakes118.exe"	8949532a3675ce0da1df9e97a796d142_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Winupdate = "C:\\WINDOWS\\SysWOW64\\Exploer.exe"	Exploer.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\WINDOWS\SysWOW64\logs.txt	Exploer.exe
File opened for modification	C:\WINDOWS\SysWOW64\logs.txt	Exploer.exe
File created	C:\WINDOWS\SysWOW64\Exploer.exe	8949532a3675ce0da1df9e97a796d142_JaffaCakes118.exe
File opened for modification	C:\WINDOWS\SysWOW64\Exploer.exe	8949532a3675ce0da1df9e97a796d142_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	8949532a3675ce0da1df9e97a796d142_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Exploer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2440	Exploer.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2736	8949532a3675ce0da1df9e97a796d142_JaffaCakes118.exe
2736	8949532a3675ce0da1df9e97a796d142_JaffaCakes118.exe
2440	Exploer.exe
2440	Exploer.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2736 wrote to memory of 2440	2736	8949532a3675ce0da1df9e97a796d142_JaffaCakes118.exe	30
PID 2736 wrote to memory of 2440	2736	8949532a3675ce0da1df9e97a796d142_JaffaCakes118.exe	30
PID 2736 wrote to memory of 2440	2736	8949532a3675ce0da1df9e97a796d142_JaffaCakes118.exe	30
PID 2736 wrote to memory of 2440	2736	8949532a3675ce0da1df9e97a796d142_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\8949532a3675ce0da1df9e97a796d142_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8949532a3675ce0da1df9e97a796d142_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2736
- C:\WINDOWS\SysWOW64\Exploer.exe
  C:\WINDOWS\system32\Exploer.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  PID:2440

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:\Windows\SysWOW64\logs.txt

Filesize
30B

MD5
e397904513eff9a7f81c420673c9bbda

SHA1
30fe5a2086f1e45b3e650608942608aac3563553

SHA256
163f554360f8eba347300de57721e5840c61210fd1f31e76ae1e4b89066b828d

SHA512
120b049f48c5e88cfb4a5d4c3b19299a004c577958982d40fc8a4bb64b40be5207038a76a84c41f041fbd3355a696697758df1696dbd3c2e1401f80682c0a1bb

Download Submit
\Windows\SysWOW64\Exploer.exe

Filesize
110KB

MD5
8949532a3675ce0da1df9e97a796d142

SHA1
d77644b2f21ecd71eef297da2ddfcb7b90000975

SHA256
ea4a967967abd9e80c0d90b656df1bcf2bd69d09c5cc75e9534222330c996c4e

SHA512
dcf73bdaa68af1011c61a45e07fbf9ca12e595824387f58d22444a2c2da4cecf88ad1f76af6db437dfa6496436754cf6377a6725c1f6e9f4f28193cae8a2ef1d

Download Submit
memory/2440-24-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/2440-36-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/2440-48-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/2440-59-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/2440-72-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/2440-90-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/2440-101-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/2736-0-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/2736-8-0x0000000003670000-0x00000000036DD000-memory.dmp

Filesize
436KB

Download
memory/2736-18-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads