tofsee | 0d92cf54954461c4a961d15745ee4b22a3aa6f27ce3387480e19c9bb5342cfb5

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 16:50

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General

Target

JaffaCakes118_0d92cf54954461c4a961d15745ee4b22a3aa6f27ce3387480e19c9bb5342cfb5.exe
Size

187KB
MD5

25ba41269d69b8d9e36a657f5a693365
SHA1

64ac09b1ba11323a5722593080053e0a29338ff3
SHA256

0d92cf54954461c4a961d15745ee4b22a3aa6f27ce3387480e19c9bb5342cfb5
SHA512

b05a807a75d82c9c639f623ee5d7af2f05d1002ea3fa74f167dd8f38b18a5b2d8de7b4ce094f05986b85afc6bf1c60b5ef1dfeac4f00188cfbf17dcb042c10b4
SSDEEP

3072:u7nkTvI0pZG/xfCbrUoBMs4IJvs0PmFVilOpZa9uD6Vdyhkf:++vI0pZG/xfC3UmywVf

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\xmeollgo = "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
3000	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\xmeollgo\ImagePath = "C:\\Windows\\SysWOW64\\xmeollgo\\urchfpmj.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2848	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2940	urchfpmj.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2940 set thread context of 2848	2940	urchfpmj.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2816	sc.exe
2440	sc.exe
2388	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	urchfpmj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_0d92cf54954461c4a961d15745ee4b22a3aa6f27ce3387480e19c9bb5342cfb5.exe
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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1504 wrote to memory of 2164	1504	JaffaCakes118_0d92cf54954461c4a961d15745ee4b22a3aa6f27ce3387480e19c9bb5342cfb5.exe	30
PID 1504 wrote to memory of 2164	1504	JaffaCakes118_0d92cf54954461c4a961d15745ee4b22a3aa6f27ce3387480e19c9bb5342cfb5.exe	30
PID 1504 wrote to memory of 2164	1504	JaffaCakes118_0d92cf54954461c4a961d15745ee4b22a3aa6f27ce3387480e19c9bb5342cfb5.exe	30
PID 1504 wrote to memory of 2164	1504	JaffaCakes118_0d92cf54954461c4a961d15745ee4b22a3aa6f27ce3387480e19c9bb5342cfb5.exe	30
PID 1504 wrote to memory of 2028	1504	JaffaCakes118_0d92cf54954461c4a961d15745ee4b22a3aa6f27ce3387480e19c9bb5342cfb5.exe	32
PID 1504 wrote to memory of 2028	1504	JaffaCakes118_0d92cf54954461c4a961d15745ee4b22a3aa6f27ce3387480e19c9bb5342cfb5.exe	32
PID 1504 wrote to memory of 2028	1504	JaffaCakes118_0d92cf54954461c4a961d15745ee4b22a3aa6f27ce3387480e19c9bb5342cfb5.exe	32
PID 1504 wrote to memory of 2028	1504	JaffaCakes118_0d92cf54954461c4a961d15745ee4b22a3aa6f27ce3387480e19c9bb5342cfb5.exe	32
PID 1504 wrote to memory of 2440	1504	JaffaCakes118_0d92cf54954461c4a961d15745ee4b22a3aa6f27ce3387480e19c9bb5342cfb5.exe	34
PID 1504 wrote to memory of 2440	1504	JaffaCakes118_0d92cf54954461c4a961d15745ee4b22a3aa6f27ce3387480e19c9bb5342cfb5.exe	34
PID 1504 wrote to memory of 2440	1504	JaffaCakes118_0d92cf54954461c4a961d15745ee4b22a3aa6f27ce3387480e19c9bb5342cfb5.exe	34
PID 1504 wrote to memory of 2440	1504	JaffaCakes118_0d92cf54954461c4a961d15745ee4b22a3aa6f27ce3387480e19c9bb5342cfb5.exe	34
PID 1504 wrote to memory of 2388	1504	JaffaCakes118_0d92cf54954461c4a961d15745ee4b22a3aa6f27ce3387480e19c9bb5342cfb5.exe	36
PID 1504 wrote to memory of 2388	1504	JaffaCakes118_0d92cf54954461c4a961d15745ee4b22a3aa6f27ce3387480e19c9bb5342cfb5.exe	36
PID 1504 wrote to memory of 2388	1504	JaffaCakes118_0d92cf54954461c4a961d15745ee4b22a3aa6f27ce3387480e19c9bb5342cfb5.exe	36
PID 1504 wrote to memory of 2388	1504	JaffaCakes118_0d92cf54954461c4a961d15745ee4b22a3aa6f27ce3387480e19c9bb5342cfb5.exe	36
PID 1504 wrote to memory of 2816	1504	JaffaCakes118_0d92cf54954461c4a961d15745ee4b22a3aa6f27ce3387480e19c9bb5342cfb5.exe	38
PID 1504 wrote to memory of 2816	1504	JaffaCakes118_0d92cf54954461c4a961d15745ee4b22a3aa6f27ce3387480e19c9bb5342cfb5.exe	38
PID 1504 wrote to memory of 2816	1504	JaffaCakes118_0d92cf54954461c4a961d15745ee4b22a3aa6f27ce3387480e19c9bb5342cfb5.exe	38
PID 1504 wrote to memory of 2816	1504	JaffaCakes118_0d92cf54954461c4a961d15745ee4b22a3aa6f27ce3387480e19c9bb5342cfb5.exe	38
PID 1504 wrote to memory of 3000	1504	JaffaCakes118_0d92cf54954461c4a961d15745ee4b22a3aa6f27ce3387480e19c9bb5342cfb5.exe	41
PID 1504 wrote to memory of 3000	1504	JaffaCakes118_0d92cf54954461c4a961d15745ee4b22a3aa6f27ce3387480e19c9bb5342cfb5.exe	41
PID 1504 wrote to memory of 3000	1504	JaffaCakes118_0d92cf54954461c4a961d15745ee4b22a3aa6f27ce3387480e19c9bb5342cfb5.exe	41
PID 1504 wrote to memory of 3000	1504	JaffaCakes118_0d92cf54954461c4a961d15745ee4b22a3aa6f27ce3387480e19c9bb5342cfb5.exe	41
PID 2940 wrote to memory of 2848	2940	urchfpmj.exe	43
PID 2940 wrote to memory of 2848	2940	urchfpmj.exe	43
PID 2940 wrote to memory of 2848	2940	urchfpmj.exe	43
PID 2940 wrote to memory of 2848	2940	urchfpmj.exe	43
PID 2940 wrote to memory of 2848	2940	urchfpmj.exe	43
PID 2940 wrote to memory of 2848	2940	urchfpmj.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0d92cf54954461c4a961d15745ee4b22a3aa6f27ce3387480e19c9bb5342cfb5.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0d92cf54954461c4a961d15745ee4b22a3aa6f27ce3387480e19c9bb5342cfb5.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1504
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xmeollgo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2164
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\urchfpmj.exe" C:\Windows\SysWOW64\xmeollgo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2028
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create xmeollgo binPath= "C:\Windows\SysWOW64\xmeollgo\urchfpmj.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0d92cf54954461c4a961d15745ee4b22a3aa6f27ce3387480e19c9bb5342cfb5.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2440
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description xmeollgo "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2388
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start xmeollgo
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2816
- 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:3000

C:\Windows\SysWOW64\xmeollgo\urchfpmj.exe
C:\Windows\SysWOW64\xmeollgo\urchfpmj.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0d92cf54954461c4a961d15745ee4b22a3aa6f27ce3387480e19c9bb5342cfb5.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2940
- 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:2848

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\urchfpmj.exe

Filesize
12.4MB

MD5
cde782101029f8049d81481d0ed7a80f

SHA1
c9fa77608a38367020cba77f8a76263f3ca0c4c8

SHA256
5f661cfb71b3aac700ba9369c7635d954f4149361f10d2aaaa70aad53624ee6b

SHA512
be2fa96a6b20217b8f324fcdbeb1f0c1330a434d02e26911ae650a10065d2fc12b9065a4677b3fc19a3ef3ef0b7fd059b8629071e5f5e6d936867758f93299a4

Download Submit
memory/1504-8-0x00000000003D0000-0x00000000003E3000-memory.dmp

Filesize
76KB

Download
memory/1504-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1504-1-0x00000000003D0000-0x00000000003E3000-memory.dmp

Filesize
76KB

Download
memory/1504-6-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1504-7-0x00000000003B0000-0x00000000003BD000-memory.dmp

Filesize
52KB

Download
memory/1504-0-0x00000000003B0000-0x00000000003BD000-memory.dmp

Filesize
52KB

Download
memory/1504-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2848-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2848-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2848-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2848-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2848-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2940-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads