tofsee | a26f7652947374e349cb26848289669160c25d05ae4aa32f7246d06602f5b01f

Analysis

max time kernel
145s
max time network
144s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-11-2024 06:43

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General

Target

ab5a722cf23e04a0b52b8c5ade4f0b59_JaffaCakes118.exe
Size

13.6MB
MD5

ab5a722cf23e04a0b52b8c5ade4f0b59
SHA1

bb0d8e54b0ce1da9fd8a5a3ed672e1c9c6482679
SHA256

a26f7652947374e349cb26848289669160c25d05ae4aa32f7246d06602f5b01f
SHA512

8bbc4d4a05167247dced49de5a8ca4eecd7e579e9812dfa3245d38916e1fcdf28b4cd6fe7cffa7dc8975222424f342cc37924d822fc6a699a8f8b8d40fb3740f
SSDEEP

3072:mQA1TtRdQBPuEcbBNu28bMEqfCxn2kuIPe7epgDnESZ25jnE26nnipm0ul4p7fLu:mQA1BRCu93f8bMEoFkYUlUUsap8foX

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

defeatwax.ru

refabyd.info

Signatures

Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan tofsee
Tofsee family
tofsee

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\zsqtzjfq = "0"	svchost.exe

Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
3060	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\zsqtzjfq\ImagePath = "C:\\Windows\\SysWOW64\\zsqtzjfq\\iclvilqc.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2336	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2904	iclvilqc.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2904 set thread context of 2336	2904	iclvilqc.exe	43

Launches sc.exe 3 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
624	sc.exe
2736	sc.exe
2840	sc.exe

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

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 9 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	ab5a722cf23e04a0b52b8c5ade4f0b59_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iclvilqc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1292 wrote to memory of 2548	1292	ab5a722cf23e04a0b52b8c5ade4f0b59_JaffaCakes118.exe	30
PID 1292 wrote to memory of 2548	1292	ab5a722cf23e04a0b52b8c5ade4f0b59_JaffaCakes118.exe	30
PID 1292 wrote to memory of 2548	1292	ab5a722cf23e04a0b52b8c5ade4f0b59_JaffaCakes118.exe	30
PID 1292 wrote to memory of 2548	1292	ab5a722cf23e04a0b52b8c5ade4f0b59_JaffaCakes118.exe	30
PID 1292 wrote to memory of 1720	1292	ab5a722cf23e04a0b52b8c5ade4f0b59_JaffaCakes118.exe	32
PID 1292 wrote to memory of 1720	1292	ab5a722cf23e04a0b52b8c5ade4f0b59_JaffaCakes118.exe	32
PID 1292 wrote to memory of 1720	1292	ab5a722cf23e04a0b52b8c5ade4f0b59_JaffaCakes118.exe	32
PID 1292 wrote to memory of 1720	1292	ab5a722cf23e04a0b52b8c5ade4f0b59_JaffaCakes118.exe	32
PID 1292 wrote to memory of 624	1292	ab5a722cf23e04a0b52b8c5ade4f0b59_JaffaCakes118.exe	34
PID 1292 wrote to memory of 624	1292	ab5a722cf23e04a0b52b8c5ade4f0b59_JaffaCakes118.exe	34
PID 1292 wrote to memory of 624	1292	ab5a722cf23e04a0b52b8c5ade4f0b59_JaffaCakes118.exe	34
PID 1292 wrote to memory of 624	1292	ab5a722cf23e04a0b52b8c5ade4f0b59_JaffaCakes118.exe	34
PID 1292 wrote to memory of 2736	1292	ab5a722cf23e04a0b52b8c5ade4f0b59_JaffaCakes118.exe	36
PID 1292 wrote to memory of 2736	1292	ab5a722cf23e04a0b52b8c5ade4f0b59_JaffaCakes118.exe	36
PID 1292 wrote to memory of 2736	1292	ab5a722cf23e04a0b52b8c5ade4f0b59_JaffaCakes118.exe	36
PID 1292 wrote to memory of 2736	1292	ab5a722cf23e04a0b52b8c5ade4f0b59_JaffaCakes118.exe	36
PID 1292 wrote to memory of 2840	1292	ab5a722cf23e04a0b52b8c5ade4f0b59_JaffaCakes118.exe	38
PID 1292 wrote to memory of 2840	1292	ab5a722cf23e04a0b52b8c5ade4f0b59_JaffaCakes118.exe	38
PID 1292 wrote to memory of 2840	1292	ab5a722cf23e04a0b52b8c5ade4f0b59_JaffaCakes118.exe	38
PID 1292 wrote to memory of 2840	1292	ab5a722cf23e04a0b52b8c5ade4f0b59_JaffaCakes118.exe	38
PID 1292 wrote to memory of 3060	1292	ab5a722cf23e04a0b52b8c5ade4f0b59_JaffaCakes118.exe	41
PID 1292 wrote to memory of 3060	1292	ab5a722cf23e04a0b52b8c5ade4f0b59_JaffaCakes118.exe	41
PID 1292 wrote to memory of 3060	1292	ab5a722cf23e04a0b52b8c5ade4f0b59_JaffaCakes118.exe	41
PID 1292 wrote to memory of 3060	1292	ab5a722cf23e04a0b52b8c5ade4f0b59_JaffaCakes118.exe	41
PID 2904 wrote to memory of 2336	2904	iclvilqc.exe	43
PID 2904 wrote to memory of 2336	2904	iclvilqc.exe	43
PID 2904 wrote to memory of 2336	2904	iclvilqc.exe	43
PID 2904 wrote to memory of 2336	2904	iclvilqc.exe	43
PID 2904 wrote to memory of 2336	2904	iclvilqc.exe	43
PID 2904 wrote to memory of 2336	2904	iclvilqc.exe	43

C:\Users\Admin\AppData\Local\Temp\ab5a722cf23e04a0b52b8c5ade4f0b59_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ab5a722cf23e04a0b52b8c5ade4f0b59_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1292
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\zsqtzjfq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2548
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\iclvilqc.exe" C:\Windows\SysWOW64\zsqtzjfq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1720
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create zsqtzjfq binPath= "C:\Windows\SysWOW64\zsqtzjfq\iclvilqc.exe /d\"C:\Users\Admin\AppData\Local\Temp\ab5a722cf23e04a0b52b8c5ade4f0b59_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:624
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description zsqtzjfq "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2736
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start zsqtzjfq
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2840
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:3060

C:\Windows\SysWOW64\zsqtzjfq\iclvilqc.exe
C:\Windows\SysWOW64\zsqtzjfq\iclvilqc.exe /d"C:\Users\Admin\AppData\Local\Temp\ab5a722cf23e04a0b52b8c5ade4f0b59_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2904
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Windows security bypass
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2336

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
14.5MB

MD5
3b042655c828afa30a916c2ecc9fb579

SHA1
4b1a898d829b76bb81a0ad724a8ac0b9c2a8ac9f

SHA256
450a27ba1deabe8e9a98ffac01dae8599d5c6846fed0d5d57374958327005c69

SHA512
baa7ce46133a7d386ef44ed97b3be56cb52bc58e5c2857a725f802fae40ead161db5b6b4ac6294ed50946ced77a90e818b35aa7fe316252045de858530db0c81

Download Submit
memory/1292-1-0x00000000004C0000-0x00000000005C0000-memory.dmp

Filesize
1024KB

Download
memory/1292-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1292-2-0x00000000002A0000-0x00000000002B3000-memory.dmp

Filesize
76KB

Download
memory/1292-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1292-8-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2336-13-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2336-16-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2336-15-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2336-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2336-10-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2336-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2904-14-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads