tofsee | 76fa8299b49e3b8ebc0ba2cd18511e79296c56d876207d746d8da9e78309f290

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 16:10

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General

Target

JaffaCakes118_27366070a9e038ef805b5c77ac0d5a89.exe
Size

10.2MB
MD5

27366070a9e038ef805b5c77ac0d5a89
SHA1

89a4274725bb495bb762b803d14fce437990f081
SHA256

76fa8299b49e3b8ebc0ba2cd18511e79296c56d876207d746d8da9e78309f290
SHA512

9eac9bc09fd92a9d68eef35872b42a36d5ce9eb2d6fa5960d88791e12436eb55f4369f449b5cd89fa45e3d6e3fed63afc64dd831c17d11db42ff053c23570cd4
SSDEEP

6144:VpZQC4h2Yaltbf2O133EhKew3Oj2GYdK:LZ8altbfDEhFCfG

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\nhjqonol = "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
2848	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\nhjqonol\ImagePath = "C:\\Windows\\SysWOW64\\nhjqonol\\eqlipooc.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2636	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2808	eqlipooc.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2808 set thread context of 2636	2808	eqlipooc.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2552	sc.exe
2488	sc.exe
2208	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	JaffaCakes118_27366070a9e038ef805b5c77ac0d5a89.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eqlipooc.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	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1616 wrote to memory of 3028	1616	JaffaCakes118_27366070a9e038ef805b5c77ac0d5a89.exe	30
PID 1616 wrote to memory of 3028	1616	JaffaCakes118_27366070a9e038ef805b5c77ac0d5a89.exe	30
PID 1616 wrote to memory of 3028	1616	JaffaCakes118_27366070a9e038ef805b5c77ac0d5a89.exe	30
PID 1616 wrote to memory of 3028	1616	JaffaCakes118_27366070a9e038ef805b5c77ac0d5a89.exe	30
PID 1616 wrote to memory of 1872	1616	JaffaCakes118_27366070a9e038ef805b5c77ac0d5a89.exe	32
PID 1616 wrote to memory of 1872	1616	JaffaCakes118_27366070a9e038ef805b5c77ac0d5a89.exe	32
PID 1616 wrote to memory of 1872	1616	JaffaCakes118_27366070a9e038ef805b5c77ac0d5a89.exe	32
PID 1616 wrote to memory of 1872	1616	JaffaCakes118_27366070a9e038ef805b5c77ac0d5a89.exe	32
PID 1616 wrote to memory of 2552	1616	JaffaCakes118_27366070a9e038ef805b5c77ac0d5a89.exe	34
PID 1616 wrote to memory of 2552	1616	JaffaCakes118_27366070a9e038ef805b5c77ac0d5a89.exe	34
PID 1616 wrote to memory of 2552	1616	JaffaCakes118_27366070a9e038ef805b5c77ac0d5a89.exe	34
PID 1616 wrote to memory of 2552	1616	JaffaCakes118_27366070a9e038ef805b5c77ac0d5a89.exe	34
PID 1616 wrote to memory of 2488	1616	JaffaCakes118_27366070a9e038ef805b5c77ac0d5a89.exe	36
PID 1616 wrote to memory of 2488	1616	JaffaCakes118_27366070a9e038ef805b5c77ac0d5a89.exe	36
PID 1616 wrote to memory of 2488	1616	JaffaCakes118_27366070a9e038ef805b5c77ac0d5a89.exe	36
PID 1616 wrote to memory of 2488	1616	JaffaCakes118_27366070a9e038ef805b5c77ac0d5a89.exe	36
PID 1616 wrote to memory of 2208	1616	JaffaCakes118_27366070a9e038ef805b5c77ac0d5a89.exe	38
PID 1616 wrote to memory of 2208	1616	JaffaCakes118_27366070a9e038ef805b5c77ac0d5a89.exe	38
PID 1616 wrote to memory of 2208	1616	JaffaCakes118_27366070a9e038ef805b5c77ac0d5a89.exe	38
PID 1616 wrote to memory of 2208	1616	JaffaCakes118_27366070a9e038ef805b5c77ac0d5a89.exe	38
PID 1616 wrote to memory of 2848	1616	JaffaCakes118_27366070a9e038ef805b5c77ac0d5a89.exe	42
PID 1616 wrote to memory of 2848	1616	JaffaCakes118_27366070a9e038ef805b5c77ac0d5a89.exe	42
PID 1616 wrote to memory of 2848	1616	JaffaCakes118_27366070a9e038ef805b5c77ac0d5a89.exe	42
PID 1616 wrote to memory of 2848	1616	JaffaCakes118_27366070a9e038ef805b5c77ac0d5a89.exe	42
PID 2808 wrote to memory of 2636	2808	eqlipooc.exe	44
PID 2808 wrote to memory of 2636	2808	eqlipooc.exe	44
PID 2808 wrote to memory of 2636	2808	eqlipooc.exe	44
PID 2808 wrote to memory of 2636	2808	eqlipooc.exe	44
PID 2808 wrote to memory of 2636	2808	eqlipooc.exe	44
PID 2808 wrote to memory of 2636	2808	eqlipooc.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_27366070a9e038ef805b5c77ac0d5a89.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_27366070a9e038ef805b5c77ac0d5a89.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1616
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\nhjqonol\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3028
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\eqlipooc.exe" C:\Windows\SysWOW64\nhjqonol\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1872
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create nhjqonol binPath= "C:\Windows\SysWOW64\nhjqonol\eqlipooc.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_27366070a9e038ef805b5c77ac0d5a89.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2552
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description nhjqonol "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2488
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start nhjqonol
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2208
- 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:2848

C:\Windows\SysWOW64\nhjqonol\eqlipooc.exe
C:\Windows\SysWOW64\nhjqonol\eqlipooc.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_27366070a9e038ef805b5c77ac0d5a89.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2808
- 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:2636

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\eqlipooc.exe

Filesize
10.7MB

MD5
c4695865de908da1ed5d04db8b88b2b7

SHA1
6372bab6f73965f426beeef2c1ca9b6dbf377af1

SHA256
dbd207a368bbc2a7e60ef5d33e6512d4f10de09004f3fb41296af59d57cf8db7

SHA512
7d636285ccd2e042db2e0fb301bda2132c1d0a53ff5547690cd4348647deec2ac169d757089d45e4905ed6cefaf1c7d89e6f50648c3dd05b593a63b5d4d9ecc0

Download Submit
memory/1616-8-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1616-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1616-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1616-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1616-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1616-1-0x00000000005C0000-0x00000000006C0000-memory.dmp

Filesize
1024KB

Download
memory/2636-17-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/2636-14-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/2636-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2636-11-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/2636-18-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/2808-16-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads