82bcc90ad573b8292f26c5b2c55564d6bf3ddbee8fc4d6b15adc7e25b796defd

General

Target

JaffaCakes118_8acd44e199b7fd7396be915c1adbd4a8.exe
Size

11KB
MD5

8acd44e199b7fd7396be915c1adbd4a8
SHA1

f7ce66a2a7b6939af7d06bda9dafcb8e2b34d465
SHA256

82bcc90ad573b8292f26c5b2c55564d6bf3ddbee8fc4d6b15adc7e25b796defd
SHA512

0b6a91eb48d1aff76abaf89169e47a9cc4929c8fac20dd418b93163e63b06e8afe7d3ed86683e11a529b2b8c078ca0d266cf3126fba8cba97af5fa61718f5f3f
SSDEEP

192:8VAItwRngwLGgU42ljj0l63XF3e+5mUbxx2hJ+L0f+:8qh9bLRKjj0Q3XFd5rFwf+

Score

7^/10

adware discovery persistence stealer upx

Malware Config

Signatures

Executes dropped EXE 7 IoCs

pid	Process
4032	services.exe
4892	services.exe
2420	services.exe
4952	services.exe
3268	services.exe
2136	services.exe
4964	services.exe

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\USER\S-1-5-21-869607583-2483572573-2297019986-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xp_system = "C:\\Windows\\inet20088\\services.exe"	services.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\xp_system = "C:\\Windows\\inet20088\\services.exe"	services.exe

Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{5321E378-FFAD-4999-8C62-03CA8155F0B3}	services.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{5321E378-FFAD-4999-8C62-03CA8155F0B3}\	services.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3812-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x001200000001e69a-3.dat	upx
behavioral2/memory/4032-5-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2420-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2420-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4892-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3812-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4032-15-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3268-30-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4952-29-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2136-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4964-43-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\inet20088\services.exe	JaffaCakes118_8acd44e199b7fd7396be915c1adbd4a8.exe
File opened for modification	C:\Windows\inet20088\services.exe	JaffaCakes118_8acd44e199b7fd7396be915c1adbd4a8.exe
File opened for modification	C:\Windows\system.ini	services.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	JaffaCakes118_8acd44e199b7fd7396be915c1adbd4a8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-869607583-2483572573-2297019986-1000\Software\Microsoft\Internet Explorer\Main	services.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-869607583-2483572573-2297019986-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Enable Browser Extensions = "yes"	services.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3812 wrote to memory of 4032	3812	JaffaCakes118_8acd44e199b7fd7396be915c1adbd4a8.exe	98
PID 3812 wrote to memory of 4032	3812	JaffaCakes118_8acd44e199b7fd7396be915c1adbd4a8.exe	98
PID 3812 wrote to memory of 4032	3812	JaffaCakes118_8acd44e199b7fd7396be915c1adbd4a8.exe	98
PID 4676 wrote to memory of 4892	4676	cmd.exe	103
PID 4676 wrote to memory of 4892	4676	cmd.exe	103
PID 4676 wrote to memory of 4892	4676	cmd.exe	103
PID 428 wrote to memory of 2420	428	cmd.exe	104
PID 428 wrote to memory of 2420	428	cmd.exe	104
PID 428 wrote to memory of 2420	428	cmd.exe	104
PID 3672 wrote to memory of 4952	3672	cmd.exe	121
PID 3672 wrote to memory of 4952	3672	cmd.exe	121
PID 3672 wrote to memory of 4952	3672	cmd.exe	121
PID 4676 wrote to memory of 3268	4676	cmd.exe	122
PID 4676 wrote to memory of 3268	4676	cmd.exe	122
PID 4676 wrote to memory of 3268	4676	cmd.exe	122
PID 856 wrote to memory of 2136	856	cmd.exe	128
PID 856 wrote to memory of 2136	856	cmd.exe	128
PID 856 wrote to memory of 2136	856	cmd.exe	128
PID 4320 wrote to memory of 4964	4320	cmd.exe	129
PID 4320 wrote to memory of 4964	4320	cmd.exe	129
PID 4320 wrote to memory of 4964	4320	cmd.exe	129

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8acd44e199b7fd7396be915c1adbd4a8.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8acd44e199b7fd7396be915c1adbd4a8.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3812
- C:\Windows\inet20088\services.exe
  C:\Windows\inet20088\services.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Installs/modifies Browser Helper Object
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  PID:4032

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Windows\inet20088\services.exe
1⤵
- Suspicious use of WriteProcessMemory
PID:4676
- C:\Windows\inet20088\services.exe
  C:\Windows\inet20088\services.exe
  2⤵
  - Executes dropped EXE
  PID:4892

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Windows\inet20088\services.exe
1⤵
- Suspicious use of WriteProcessMemory
PID:428
- C:\Windows\inet20088\services.exe
  C:\Windows\inet20088\services.exe
  2⤵
  - Executes dropped EXE
  PID:2420

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Windows\inet20088\services.exe
1⤵
- Suspicious use of WriteProcessMemory
PID:3672
- C:\Windows\inet20088\services.exe
  C:\Windows\inet20088\services.exe
  2⤵
  - Executes dropped EXE
  PID:4952

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Windows\inet20088\services.exe
1⤵
- Suspicious use of WriteProcessMemory
PID:4676
- C:\Windows\inet20088\services.exe
  C:\Windows\inet20088\services.exe
  2⤵
  - Executes dropped EXE
  PID:3268

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Windows\inet20088\services.exe
1⤵
- Suspicious use of WriteProcessMemory
PID:856
- C:\Windows\inet20088\services.exe
  C:\Windows\inet20088\services.exe
  2⤵
  - Executes dropped EXE
  PID:2136

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Windows\inet20088\services.exe
1⤵
- Suspicious use of WriteProcessMemory
PID:4320
- C:\Windows\inet20088\services.exe
  C:\Windows\inet20088\services.exe
  2⤵
  - Executes dropped EXE
  PID:4964

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

Browser Extensions

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

3

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:\Windows\inet20088\services.exe

Filesize
11KB

MD5
8acd44e199b7fd7396be915c1adbd4a8

SHA1
f7ce66a2a7b6939af7d06bda9dafcb8e2b34d465

SHA256
82bcc90ad573b8292f26c5b2c55564d6bf3ddbee8fc4d6b15adc7e25b796defd

SHA512
0b6a91eb48d1aff76abaf89169e47a9cc4929c8fac20dd418b93163e63b06e8afe7d3ed86683e11a529b2b8c078ca0d266cf3126fba8cba97af5fa61718f5f3f

Download Submit
memory/2136-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2420-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2420-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3268-30-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3812-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3812-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4032-5-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4032-15-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4892-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4952-29-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4964-43-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads