tofsee | f56d18589d624660f6f60abaabe81a3714f6896df46080d42dbeb2e895f9e3fc

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 23:41

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General

Target

JaffaCakes118_f56d18589d624660f6f60abaabe81a3714f6896df46080d42dbeb2e895f9e3fc.exe
Size

169KB
MD5

ef15323425a825ae51b50c25a08a1e97
SHA1

55b2b8dddadaa04c70de4d845b1ed344ebcacb28
SHA256

f56d18589d624660f6f60abaabe81a3714f6896df46080d42dbeb2e895f9e3fc
SHA512

f87b320591b6f98de12745daa0ca5abe2db8a991ad2e70aa7d74f8380241ed59c61b4d2e1dde9f0105e6068d0d12859d97c8669f84cb40c31aa4b73154cc7dd1
SSDEEP

3072:dINEppMfx/AvY+dRs/WiyvOKoGt/MR+Mc2:KNEppMfx/gLPsqvONAUR+s

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\olpngcjc = "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
1040	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\olpngcjc\ImagePath = "C:\\Windows\\SysWOW64\\olpngcjc\\kxgdejvi.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
528	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2144	kxgdejvi.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2144 set thread context of 528	2144	kxgdejvi.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
1948	sc.exe
2584	sc.exe
2692	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	kxgdejvi.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_f56d18589d624660f6f60abaabe81a3714f6896df46080d42dbeb2e895f9e3fc.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	cmd.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 2720 wrote to memory of 2688	2720	JaffaCakes118_f56d18589d624660f6f60abaabe81a3714f6896df46080d42dbeb2e895f9e3fc.exe	30
PID 2720 wrote to memory of 2688	2720	JaffaCakes118_f56d18589d624660f6f60abaabe81a3714f6896df46080d42dbeb2e895f9e3fc.exe	30
PID 2720 wrote to memory of 2688	2720	JaffaCakes118_f56d18589d624660f6f60abaabe81a3714f6896df46080d42dbeb2e895f9e3fc.exe	30
PID 2720 wrote to memory of 2688	2720	JaffaCakes118_f56d18589d624660f6f60abaabe81a3714f6896df46080d42dbeb2e895f9e3fc.exe	30
PID 2720 wrote to memory of 2860	2720	JaffaCakes118_f56d18589d624660f6f60abaabe81a3714f6896df46080d42dbeb2e895f9e3fc.exe	32
PID 2720 wrote to memory of 2860	2720	JaffaCakes118_f56d18589d624660f6f60abaabe81a3714f6896df46080d42dbeb2e895f9e3fc.exe	32
PID 2720 wrote to memory of 2860	2720	JaffaCakes118_f56d18589d624660f6f60abaabe81a3714f6896df46080d42dbeb2e895f9e3fc.exe	32
PID 2720 wrote to memory of 2860	2720	JaffaCakes118_f56d18589d624660f6f60abaabe81a3714f6896df46080d42dbeb2e895f9e3fc.exe	32
PID 2720 wrote to memory of 1948	2720	JaffaCakes118_f56d18589d624660f6f60abaabe81a3714f6896df46080d42dbeb2e895f9e3fc.exe	34
PID 2720 wrote to memory of 1948	2720	JaffaCakes118_f56d18589d624660f6f60abaabe81a3714f6896df46080d42dbeb2e895f9e3fc.exe	34
PID 2720 wrote to memory of 1948	2720	JaffaCakes118_f56d18589d624660f6f60abaabe81a3714f6896df46080d42dbeb2e895f9e3fc.exe	34
PID 2720 wrote to memory of 1948	2720	JaffaCakes118_f56d18589d624660f6f60abaabe81a3714f6896df46080d42dbeb2e895f9e3fc.exe	34
PID 2720 wrote to memory of 2584	2720	JaffaCakes118_f56d18589d624660f6f60abaabe81a3714f6896df46080d42dbeb2e895f9e3fc.exe	36
PID 2720 wrote to memory of 2584	2720	JaffaCakes118_f56d18589d624660f6f60abaabe81a3714f6896df46080d42dbeb2e895f9e3fc.exe	36
PID 2720 wrote to memory of 2584	2720	JaffaCakes118_f56d18589d624660f6f60abaabe81a3714f6896df46080d42dbeb2e895f9e3fc.exe	36
PID 2720 wrote to memory of 2584	2720	JaffaCakes118_f56d18589d624660f6f60abaabe81a3714f6896df46080d42dbeb2e895f9e3fc.exe	36
PID 2720 wrote to memory of 2692	2720	JaffaCakes118_f56d18589d624660f6f60abaabe81a3714f6896df46080d42dbeb2e895f9e3fc.exe	38
PID 2720 wrote to memory of 2692	2720	JaffaCakes118_f56d18589d624660f6f60abaabe81a3714f6896df46080d42dbeb2e895f9e3fc.exe	38
PID 2720 wrote to memory of 2692	2720	JaffaCakes118_f56d18589d624660f6f60abaabe81a3714f6896df46080d42dbeb2e895f9e3fc.exe	38
PID 2720 wrote to memory of 2692	2720	JaffaCakes118_f56d18589d624660f6f60abaabe81a3714f6896df46080d42dbeb2e895f9e3fc.exe	38
PID 2144 wrote to memory of 528	2144	kxgdejvi.exe	41
PID 2144 wrote to memory of 528	2144	kxgdejvi.exe	41
PID 2144 wrote to memory of 528	2144	kxgdejvi.exe	41
PID 2144 wrote to memory of 528	2144	kxgdejvi.exe	41
PID 2144 wrote to memory of 528	2144	kxgdejvi.exe	41
PID 2144 wrote to memory of 528	2144	kxgdejvi.exe	41
PID 2720 wrote to memory of 1040	2720	JaffaCakes118_f56d18589d624660f6f60abaabe81a3714f6896df46080d42dbeb2e895f9e3fc.exe	42
PID 2720 wrote to memory of 1040	2720	JaffaCakes118_f56d18589d624660f6f60abaabe81a3714f6896df46080d42dbeb2e895f9e3fc.exe	42
PID 2720 wrote to memory of 1040	2720	JaffaCakes118_f56d18589d624660f6f60abaabe81a3714f6896df46080d42dbeb2e895f9e3fc.exe	42
PID 2720 wrote to memory of 1040	2720	JaffaCakes118_f56d18589d624660f6f60abaabe81a3714f6896df46080d42dbeb2e895f9e3fc.exe	42

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f56d18589d624660f6f60abaabe81a3714f6896df46080d42dbeb2e895f9e3fc.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f56d18589d624660f6f60abaabe81a3714f6896df46080d42dbeb2e895f9e3fc.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2720
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\olpngcjc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2688
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\kxgdejvi.exe" C:\Windows\SysWOW64\olpngcjc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2860
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create olpngcjc binPath= "C:\Windows\SysWOW64\olpngcjc\kxgdejvi.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f56d18589d624660f6f60abaabe81a3714f6896df46080d42dbeb2e895f9e3fc.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1948
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description olpngcjc "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2584
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start olpngcjc
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2692
- 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:1040

C:\Windows\SysWOW64\olpngcjc\kxgdejvi.exe
C:\Windows\SysWOW64\olpngcjc\kxgdejvi.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f56d18589d624660f6f60abaabe81a3714f6896df46080d42dbeb2e895f9e3fc.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2144
- 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:528

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\kxgdejvi.exe

Filesize
11.4MB

MD5
77169196dea1ff453523b6045342a27f

SHA1
c783b954c473830c05751074a4f4b5b6adfccbf4

SHA256
5268fae794d76f7cbd0311192630e7665cd2620d91c42bf4850ad025ccb0bca6

SHA512
e7f5e8b4fd34c0b6dcf8879cb972f0a778cbbd4993ac95497d5abb411e275b4705f334159ffba4adf624fc22656079c75cd359c8f5dc00255d9c0570a3db62cb

Download Submit
memory/528-6-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/528-9-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/528-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/528-16-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/528-17-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2144-11-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2720-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2720-1-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/2720-0-0x00000000001B0000-0x00000000001BD000-memory.dmp

Filesize
52KB

Download
memory/2720-12-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2720-13-0x00000000001B0000-0x00000000001BD000-memory.dmp

Filesize
52KB

Download
memory/2720-15-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2720-14-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads