tofsee | 4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80

Analysis

max time kernel
149s
max time network
156s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 14:33

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General

Target

JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe
Size

188KB
MD5

b8ae14ec90bf47e6f94d942c5718059b
SHA1

fbc2ed4e74385f5e1763cd8fdf3db0b4cd607ae8
SHA256

4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80
SHA512

4d22ec962b2555ac2480ab9d78b4de369602ce2c6b5376a863782d8e0e85e419d67e8e30176ed0e01c76cc0656d1cfa38e3f7d0fd31d0803001e190c17c6ac1f
SSDEEP

3072:97F4NKHBeCklmKGuJveyIh5cLcLLDjaqX+IzYZf6w6Eq:bACklmKTOaqZTssw

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\xqnltjfv = "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
2876	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\xqnltjfv\ImagePath = "C:\\Windows\\SysWOW64\\xqnltjfv\\pclijoan.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2760	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2168	pclijoan.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2168 set thread context of 2760	2168	pclijoan.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2940	sc.exe
2776	sc.exe
2980	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pclijoan.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_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2108 wrote to memory of 2272	2108	JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe	30
PID 2108 wrote to memory of 2272	2108	JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe	30
PID 2108 wrote to memory of 2272	2108	JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe	30
PID 2108 wrote to memory of 2272	2108	JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe	30
PID 2108 wrote to memory of 2884	2108	JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe	32
PID 2108 wrote to memory of 2884	2108	JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe	32
PID 2108 wrote to memory of 2884	2108	JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe	32
PID 2108 wrote to memory of 2884	2108	JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe	32
PID 2108 wrote to memory of 2980	2108	JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe	34
PID 2108 wrote to memory of 2980	2108	JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe	34
PID 2108 wrote to memory of 2980	2108	JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe	34
PID 2108 wrote to memory of 2980	2108	JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe	34
PID 2108 wrote to memory of 2940	2108	JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe	36
PID 2108 wrote to memory of 2940	2108	JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe	36
PID 2108 wrote to memory of 2940	2108	JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe	36
PID 2108 wrote to memory of 2940	2108	JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe	36
PID 2108 wrote to memory of 2776	2108	JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe	38
PID 2108 wrote to memory of 2776	2108	JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe	38
PID 2108 wrote to memory of 2776	2108	JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe	38
PID 2108 wrote to memory of 2776	2108	JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe	38
PID 2108 wrote to memory of 2876	2108	JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe	41
PID 2108 wrote to memory of 2876	2108	JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe	41
PID 2108 wrote to memory of 2876	2108	JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe	41
PID 2108 wrote to memory of 2876	2108	JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe	41
PID 2168 wrote to memory of 2760	2168	pclijoan.exe	43
PID 2168 wrote to memory of 2760	2168	pclijoan.exe	43
PID 2168 wrote to memory of 2760	2168	pclijoan.exe	43
PID 2168 wrote to memory of 2760	2168	pclijoan.exe	43
PID 2168 wrote to memory of 2760	2168	pclijoan.exe	43
PID 2168 wrote to memory of 2760	2168	pclijoan.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2108
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xqnltjfv\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2272
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\pclijoan.exe" C:\Windows\SysWOW64\xqnltjfv\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2884
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create xqnltjfv binPath= "C:\Windows\SysWOW64\xqnltjfv\pclijoan.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2980
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description xqnltjfv "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2940
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start xqnltjfv
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2776
- 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:2876

C:\Windows\SysWOW64\xqnltjfv\pclijoan.exe
C:\Windows\SysWOW64\xqnltjfv\pclijoan.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2168
- 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:2760

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\pclijoan.exe

Filesize
10.7MB

MD5
add5c4d1a8c11cc7a519a7b8cf7a79f2

SHA1
5dc3c22bd6a0a86003e5808546cd13ce00325e31

SHA256
c8227d2c71655d5cfff1696daf4a2828004946f61ddca9b9d3194f50b0ea93af

SHA512
e9ed353f07b66eae2bfd8c8566984f255645ede0296740a8f7deb59bb16303da0a5e222323ea306a2cfb7ad5fb731432204b8ce21ca308bb33af10960006202e

Download Submit
memory/2108-7-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2108-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2108-1-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2108-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2108-8-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/2108-0-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/2108-6-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2168-16-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2760-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2760-15-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/2760-13-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/2760-10-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/2760-17-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads