tofsee | aea58b6cb75a81c29db530feb8f1bbf0f15c7727ee0264877bc6fc80b5fc8b65

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27/12/2024, 01:37

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General

Target

JaffaCakes118_aea58b6cb75a81c29db530feb8f1bbf0f15c7727ee0264877bc6fc80b5fc8b65.exe
Size

177KB
MD5

54f2cea10632e47ab38d113d587ce32c
SHA1

f3f5d9d585045d0c51ac741605a3ae990719db02
SHA256

aea58b6cb75a81c29db530feb8f1bbf0f15c7727ee0264877bc6fc80b5fc8b65
SHA512

e460a1aa990ee7fb908c9b44a79dc648e7f9a58362e45a05a592642026452aa8790993d782a41f97c8757aba05a611cbf6fd2ddebc41f9501e0198c2c4e05fac
SSDEEP

3072:F7ea06Z4EKxA+xZGkXL09dtE03aotb1dSVcsV93:66CEKxA+y9dtE27gV93

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

quadoil.ru

lakeflex.ru

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\xjrpkydu = "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
1720	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\xjrpkydu\ImagePath = "C:\\Windows\\SysWOW64\\xjrpkydu\\ifqvtdax.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
1296	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2696	ifqvtdax.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2696 set thread context of 1296	2696	ifqvtdax.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2656	sc.exe
2684	sc.exe
2544	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	cmd.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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_aea58b6cb75a81c29db530feb8f1bbf0f15c7727ee0264877bc6fc80b5fc8b65.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ifqvtdax.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3068 wrote to memory of 2716	3068	JaffaCakes118_aea58b6cb75a81c29db530feb8f1bbf0f15c7727ee0264877bc6fc80b5fc8b65.exe	30
PID 3068 wrote to memory of 2716	3068	JaffaCakes118_aea58b6cb75a81c29db530feb8f1bbf0f15c7727ee0264877bc6fc80b5fc8b65.exe	30
PID 3068 wrote to memory of 2716	3068	JaffaCakes118_aea58b6cb75a81c29db530feb8f1bbf0f15c7727ee0264877bc6fc80b5fc8b65.exe	30
PID 3068 wrote to memory of 2716	3068	JaffaCakes118_aea58b6cb75a81c29db530feb8f1bbf0f15c7727ee0264877bc6fc80b5fc8b65.exe	30
PID 3068 wrote to memory of 2788	3068	JaffaCakes118_aea58b6cb75a81c29db530feb8f1bbf0f15c7727ee0264877bc6fc80b5fc8b65.exe	32
PID 3068 wrote to memory of 2788	3068	JaffaCakes118_aea58b6cb75a81c29db530feb8f1bbf0f15c7727ee0264877bc6fc80b5fc8b65.exe	32
PID 3068 wrote to memory of 2788	3068	JaffaCakes118_aea58b6cb75a81c29db530feb8f1bbf0f15c7727ee0264877bc6fc80b5fc8b65.exe	32
PID 3068 wrote to memory of 2788	3068	JaffaCakes118_aea58b6cb75a81c29db530feb8f1bbf0f15c7727ee0264877bc6fc80b5fc8b65.exe	32
PID 3068 wrote to memory of 2656	3068	JaffaCakes118_aea58b6cb75a81c29db530feb8f1bbf0f15c7727ee0264877bc6fc80b5fc8b65.exe	34
PID 3068 wrote to memory of 2656	3068	JaffaCakes118_aea58b6cb75a81c29db530feb8f1bbf0f15c7727ee0264877bc6fc80b5fc8b65.exe	34
PID 3068 wrote to memory of 2656	3068	JaffaCakes118_aea58b6cb75a81c29db530feb8f1bbf0f15c7727ee0264877bc6fc80b5fc8b65.exe	34
PID 3068 wrote to memory of 2656	3068	JaffaCakes118_aea58b6cb75a81c29db530feb8f1bbf0f15c7727ee0264877bc6fc80b5fc8b65.exe	34
PID 3068 wrote to memory of 2684	3068	JaffaCakes118_aea58b6cb75a81c29db530feb8f1bbf0f15c7727ee0264877bc6fc80b5fc8b65.exe	36
PID 3068 wrote to memory of 2684	3068	JaffaCakes118_aea58b6cb75a81c29db530feb8f1bbf0f15c7727ee0264877bc6fc80b5fc8b65.exe	36
PID 3068 wrote to memory of 2684	3068	JaffaCakes118_aea58b6cb75a81c29db530feb8f1bbf0f15c7727ee0264877bc6fc80b5fc8b65.exe	36
PID 3068 wrote to memory of 2684	3068	JaffaCakes118_aea58b6cb75a81c29db530feb8f1bbf0f15c7727ee0264877bc6fc80b5fc8b65.exe	36
PID 3068 wrote to memory of 2544	3068	JaffaCakes118_aea58b6cb75a81c29db530feb8f1bbf0f15c7727ee0264877bc6fc80b5fc8b65.exe	38
PID 3068 wrote to memory of 2544	3068	JaffaCakes118_aea58b6cb75a81c29db530feb8f1bbf0f15c7727ee0264877bc6fc80b5fc8b65.exe	38
PID 3068 wrote to memory of 2544	3068	JaffaCakes118_aea58b6cb75a81c29db530feb8f1bbf0f15c7727ee0264877bc6fc80b5fc8b65.exe	38
PID 3068 wrote to memory of 2544	3068	JaffaCakes118_aea58b6cb75a81c29db530feb8f1bbf0f15c7727ee0264877bc6fc80b5fc8b65.exe	38
PID 3068 wrote to memory of 1720	3068	JaffaCakes118_aea58b6cb75a81c29db530feb8f1bbf0f15c7727ee0264877bc6fc80b5fc8b65.exe	41
PID 3068 wrote to memory of 1720	3068	JaffaCakes118_aea58b6cb75a81c29db530feb8f1bbf0f15c7727ee0264877bc6fc80b5fc8b65.exe	41
PID 3068 wrote to memory of 1720	3068	JaffaCakes118_aea58b6cb75a81c29db530feb8f1bbf0f15c7727ee0264877bc6fc80b5fc8b65.exe	41
PID 3068 wrote to memory of 1720	3068	JaffaCakes118_aea58b6cb75a81c29db530feb8f1bbf0f15c7727ee0264877bc6fc80b5fc8b65.exe	41
PID 2696 wrote to memory of 1296	2696	ifqvtdax.exe	43
PID 2696 wrote to memory of 1296	2696	ifqvtdax.exe	43
PID 2696 wrote to memory of 1296	2696	ifqvtdax.exe	43
PID 2696 wrote to memory of 1296	2696	ifqvtdax.exe	43
PID 2696 wrote to memory of 1296	2696	ifqvtdax.exe	43
PID 2696 wrote to memory of 1296	2696	ifqvtdax.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aea58b6cb75a81c29db530feb8f1bbf0f15c7727ee0264877bc6fc80b5fc8b65.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aea58b6cb75a81c29db530feb8f1bbf0f15c7727ee0264877bc6fc80b5fc8b65.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3068
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xjrpkydu\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2716
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ifqvtdax.exe" C:\Windows\SysWOW64\xjrpkydu\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2788
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create xjrpkydu binPath= "C:\Windows\SysWOW64\xjrpkydu\ifqvtdax.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aea58b6cb75a81c29db530feb8f1bbf0f15c7727ee0264877bc6fc80b5fc8b65.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2656
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description xjrpkydu "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2684
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start xjrpkydu
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2544
- 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:1720

C:\Windows\SysWOW64\xjrpkydu\ifqvtdax.exe
C:\Windows\SysWOW64\xjrpkydu\ifqvtdax.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aea58b6cb75a81c29db530feb8f1bbf0f15c7727ee0264877bc6fc80b5fc8b65.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2696
- 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:1296

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\ifqvtdax.exe

Filesize
13.1MB

MD5
ac78d587b85ad94b9448fdc1e1ba0398

SHA1
bcf9f39e585ea4108b0e24a19133a92056af1e47

SHA256
35e33540fa98a4461e40d9f0bab07eca46b97c7a246fd9fea662d65bf50d4834

SHA512
eca21ceda5577679b955b24b790540567f542730711e97f91bad5c5d8083cd87e1feea372b39c487c10c3ccd63c633129d693d5581bd6985b5ed6796994dff30

Download Submit
memory/1296-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1296-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1296-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1296-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1296-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2696-15-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/3068-8-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/3068-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3068-0-0x00000000001B0000-0x00000000001BD000-memory.dmp

Filesize
52KB

Download
memory/3068-7-0x00000000001B0000-0x00000000001BD000-memory.dmp

Filesize
52KB

Download
memory/3068-6-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/3068-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3068-1-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads