41ae9947b93b2afdcdaa250c3e6237282f9fe13f7f89eafd840d32f0da3f997b

General

Target

bad8dfa3d57a781b8f58107a5a795812_JaffaCakes118.exe
Size

40KB
MD5

bad8dfa3d57a781b8f58107a5a795812
SHA1

b44cfbdedc99cfcf4e8f0723e0810683decb6664
SHA256

41ae9947b93b2afdcdaa250c3e6237282f9fe13f7f89eafd840d32f0da3f997b
SHA512

37be6adf3b4122da8fcbd2e9cfe27787285d76a6a5d819b88b59a19e38d8e38ea45e4427109ab8f5a4eaa5bef2acfe68e78eac976ad99db14ef2097a97bcf02e
SSDEEP

768:6jZFvysxt2WIu3o0DrYvlEQiWb/axOJ4A:67vdPo0DrYdYQS0J

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3016	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2780	Service.exe

Loads dropped DLL 2 IoCs

pid	Process
3000	bad8dfa3d57a781b8f58107a5a795812_JaffaCakes118.exe
3000	bad8dfa3d57a781b8f58107a5a795812_JaffaCakes118.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3000-0-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral1/files/0x0006000000012118-7.dat	upx
behavioral1/memory/3000-11-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral1/memory/2780-14-0x0000000000400000-0x000000000040C000-memory.dmp	upx

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

System Location Discovery: System Language Discovery 1 TTPs 4 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	bad8dfa3d57a781b8f58107a5a795812_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Service.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3000 wrote to memory of 2780	3000	bad8dfa3d57a781b8f58107a5a795812_JaffaCakes118.exe	30
PID 3000 wrote to memory of 2780	3000	bad8dfa3d57a781b8f58107a5a795812_JaffaCakes118.exe	30
PID 3000 wrote to memory of 2780	3000	bad8dfa3d57a781b8f58107a5a795812_JaffaCakes118.exe	30
PID 3000 wrote to memory of 2780	3000	bad8dfa3d57a781b8f58107a5a795812_JaffaCakes118.exe	30
PID 2780 wrote to memory of 2920	2780	Service.exe	31
PID 2780 wrote to memory of 2920	2780	Service.exe	31
PID 2780 wrote to memory of 2920	2780	Service.exe	31
PID 2780 wrote to memory of 2920	2780	Service.exe	31
PID 3000 wrote to memory of 3016	3000	bad8dfa3d57a781b8f58107a5a795812_JaffaCakes118.exe	35
PID 3000 wrote to memory of 3016	3000	bad8dfa3d57a781b8f58107a5a795812_JaffaCakes118.exe	35
PID 3000 wrote to memory of 3016	3000	bad8dfa3d57a781b8f58107a5a795812_JaffaCakes118.exe	35
PID 3000 wrote to memory of 3016	3000	bad8dfa3d57a781b8f58107a5a795812_JaffaCakes118.exe	35

C:\Users\Admin\AppData\Local\Temp\bad8dfa3d57a781b8f58107a5a795812_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bad8dfa3d57a781b8f58107a5a795812_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3000
- C:\Users\Admin\AppData\Local\Temp\Service.exe
  C:\Users\Admin\AppData\Local\Temp\Service.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2780
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks -create -sc ONSTART -tn "Service" -tr "C:\Users\Admin\AppData\Local\Temp\Service.exe" -ru "system"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2920
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del "C:\Users\Admin\AppData\Local\Temp\bad8dfa3d57a781b8f58107a5a795812_JaffaCakes118.exe"
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3016

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

1

T1070

File Deletion

1

T1070.004

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Service.exe

Filesize
40KB

MD5
bad8dfa3d57a781b8f58107a5a795812

SHA1
b44cfbdedc99cfcf4e8f0723e0810683decb6664

SHA256
41ae9947b93b2afdcdaa250c3e6237282f9fe13f7f89eafd840d32f0da3f997b

SHA512
37be6adf3b4122da8fcbd2e9cfe27787285d76a6a5d819b88b59a19e38d8e38ea45e4427109ab8f5a4eaa5bef2acfe68e78eac976ad99db14ef2097a97bcf02e

Download Submit
memory/2780-14-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3000-0-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3000-9-0x0000000000220000-0x000000000022C000-memory.dmp

Filesize
48KB

Download
memory/3000-11-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3000-12-0x0000000000220000-0x000000000022C000-memory.dmp

Filesize
48KB

Download
memory/3000-13-0x0000000000220000-0x000000000022C000-memory.dmp

Filesize
48KB

Download

Analysis

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