ef2eba912d00ba73095de09670e024b908d69c35370e21c0a6e570b57777487c

General

Target

b6b1eaa2f0386dfaadab0c652a52a209_JaffaCakes118.exe
Size

562KB
MD5

b6b1eaa2f0386dfaadab0c652a52a209
SHA1

9bb643540d7c595013d5336ee13ffd1576354cbb
SHA256

ef2eba912d00ba73095de09670e024b908d69c35370e21c0a6e570b57777487c
SHA512

006eb9f173eda35c175e0ba4e79859bf4c44815f70b2507487d539754c7ee9da7aad20e173445069ae7ed3a841c25d5d7f0fcbee0cabd181b828cf8b0338fdb5
SSDEEP

12288:pfgslSK6M1vWb3Nn2jgRHGQZdD2yF5kLxE8:hgsMKX1vWb3RseGQZdauOLxv

Score

8^/10

defense_evasion discovery persistence

Malware Config

Signatures

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\netns\Parameters\ServiceDll = "C:\\Windows\\System32\\sysns.dll"	b6b1eaa2f0386dfaadab0c652a52a209_JaffaCakes118.exe

Loads dropped DLL 2 IoCs

pid	Process
2228	svchost.exe
2228	svchost.exe

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

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\sysns.dll	b6b1eaa2f0386dfaadab0c652a52a209_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\sysns.dll	b6b1eaa2f0386dfaadab0c652a52a209_JaffaCakes118.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\netservice.exe	b6b1eaa2f0386dfaadab0c652a52a209_JaffaCakes118.exe
File opened for modification	C:\Windows\netservice.exe	b6b1eaa2f0386dfaadab0c652a52a209_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	b6b1eaa2f0386dfaadab0c652a52a209_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
4116	b6b1eaa2f0386dfaadab0c652a52a209_JaffaCakes118.exe
4116	b6b1eaa2f0386dfaadab0c652a52a209_JaffaCakes118.exe
4116	b6b1eaa2f0386dfaadab0c652a52a209_JaffaCakes118.exe
4116	b6b1eaa2f0386dfaadab0c652a52a209_JaffaCakes118.exe
4116	b6b1eaa2f0386dfaadab0c652a52a209_JaffaCakes118.exe
4116	b6b1eaa2f0386dfaadab0c652a52a209_JaffaCakes118.exe
4116	b6b1eaa2f0386dfaadab0c652a52a209_JaffaCakes118.exe
4116	b6b1eaa2f0386dfaadab0c652a52a209_JaffaCakes118.exe
4116	b6b1eaa2f0386dfaadab0c652a52a209_JaffaCakes118.exe
4116	b6b1eaa2f0386dfaadab0c652a52a209_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 12 IoCs

description	pid	Process
Token: SeBackupPrivilege	4116	b6b1eaa2f0386dfaadab0c652a52a209_JaffaCakes118.exe
Token: SeRestorePrivilege	4116	b6b1eaa2f0386dfaadab0c652a52a209_JaffaCakes118.exe
Token: SeRestorePrivilege	4116	b6b1eaa2f0386dfaadab0c652a52a209_JaffaCakes118.exe
Token: SeRestorePrivilege	4116	b6b1eaa2f0386dfaadab0c652a52a209_JaffaCakes118.exe
Token: SeRestorePrivilege	4116	b6b1eaa2f0386dfaadab0c652a52a209_JaffaCakes118.exe
Token: SeRestorePrivilege	4116	b6b1eaa2f0386dfaadab0c652a52a209_JaffaCakes118.exe
Token: SeBackupPrivilege	4116	b6b1eaa2f0386dfaadab0c652a52a209_JaffaCakes118.exe
Token: SeRestorePrivilege	4116	b6b1eaa2f0386dfaadab0c652a52a209_JaffaCakes118.exe
Token: SeRestorePrivilege	4116	b6b1eaa2f0386dfaadab0c652a52a209_JaffaCakes118.exe
Token: SeRestorePrivilege	4116	b6b1eaa2f0386dfaadab0c652a52a209_JaffaCakes118.exe
Token: SeRestorePrivilege	4116	b6b1eaa2f0386dfaadab0c652a52a209_JaffaCakes118.exe
Token: SeRestorePrivilege	4116	b6b1eaa2f0386dfaadab0c652a52a209_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4116 wrote to memory of 4896	4116	b6b1eaa2f0386dfaadab0c652a52a209_JaffaCakes118.exe	89
PID 4116 wrote to memory of 4896	4116	b6b1eaa2f0386dfaadab0c652a52a209_JaffaCakes118.exe	89
PID 4116 wrote to memory of 4896	4116	b6b1eaa2f0386dfaadab0c652a52a209_JaffaCakes118.exe	89

C:\Users\Admin\AppData\Local\Temp\b6b1eaa2f0386dfaadab0c652a52a209_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b6b1eaa2f0386dfaadab0c652a52a209_JaffaCakes118.exe"
1⤵
- Server Software Component: Terminal Services DLL
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4116
- C:\Windows\SysWOW64\cmd.exe
  cmd /c del "C:\Users\Admin\AppData\Local\Temp\b6b1eaa2f0386dfaadab0c652a52a209_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4896

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netns
1⤵
PID:1744

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netns
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2228

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Server Software Component

1

T1505

Terminal Services DLL

1

T1505.005

Privilege Escalation

Defense Evasion

Indicator Removal

1

T1070

File Deletion

1

T1070.004

Credential Access

Discovery

System Information Discovery

1

T1082

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:\windows\SysWOW64\sysns.dll

Filesize
483KB

MD5
b5c02b1c3c521f53199db65558bddf46

SHA1
b0f223e39147a5daa5f50af8cc4ded87ccd34dfe

SHA256
46975b12bafe0ded702318d0bf779e4e8d450dcc4c17e4e9f513b00d547eb23b

SHA512
48d494ecb95ea9cdb1c13ea1c2d45b7b8ce70a446c5bc0eec915180c9e89559f3aa23bfb31e7683bb39dfc47ebffe383c114b735c14434e7be7ec32211e96b2e

Download Submit
memory/2228-7-0x0000000000F00000-0x0000000000F7E000-memory.dmp

Filesize
504KB

Download
memory/2228-9-0x0000000000F00000-0x0000000000F7E000-memory.dmp

Filesize
504KB

Download
memory/2228-10-0x0000000000F00000-0x0000000000F7E000-memory.dmp

Filesize
504KB

Download
memory/4116-8-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download

Analysis

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