tofsee | 52e330e3855744ad7120e6ad39dff2b8a6c3bbdb217164fd7443fc8c06f54e1a

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 16:18

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General

Target

JaffaCakes118_52e330e3855744ad7120e6ad39dff2b8a6c3bbdb217164fd7443fc8c06f54e1a.exe
Size

291KB
MD5

4e6018f8aa4e23f9682ad29bbe4bff86
SHA1

314329b8e37fed0104cf518ed7e221c77f78a217
SHA256

52e330e3855744ad7120e6ad39dff2b8a6c3bbdb217164fd7443fc8c06f54e1a
SHA512

f265ffb7ca36419f45c2cbc28cd14a26e0720355e6950426ca357c57e67c671252f2220a6dc6d236185129951796e9cd352dd2e5425acd9024a4806692a0d743
SSDEEP

6144:C9DzZDKZGtx0NSBXbTW8WxQs9dcBHKNUp/rcAst:ClztVtxNrtGQs9dcBHKNAst

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\dgeopyb = "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
2764	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\dgeopyb\ImagePath = "C:\\Windows\\SysWOW64\\dgeopyb\\mnlvyrwh.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
3068	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2384	mnlvyrwh.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2384 set thread context of 3068	2384	mnlvyrwh.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
1316	sc.exe
2468	sc.exe
2948	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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	mnlvyrwh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_52e330e3855744ad7120e6ad39dff2b8a6c3bbdb217164fd7443fc8c06f54e1a.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 2044	2036	JaffaCakes118_52e330e3855744ad7120e6ad39dff2b8a6c3bbdb217164fd7443fc8c06f54e1a.exe	30
PID 2036 wrote to memory of 2044	2036	JaffaCakes118_52e330e3855744ad7120e6ad39dff2b8a6c3bbdb217164fd7443fc8c06f54e1a.exe	30
PID 2036 wrote to memory of 2044	2036	JaffaCakes118_52e330e3855744ad7120e6ad39dff2b8a6c3bbdb217164fd7443fc8c06f54e1a.exe	30
PID 2036 wrote to memory of 2044	2036	JaffaCakes118_52e330e3855744ad7120e6ad39dff2b8a6c3bbdb217164fd7443fc8c06f54e1a.exe	30
PID 2036 wrote to memory of 1668	2036	JaffaCakes118_52e330e3855744ad7120e6ad39dff2b8a6c3bbdb217164fd7443fc8c06f54e1a.exe	32
PID 2036 wrote to memory of 1668	2036	JaffaCakes118_52e330e3855744ad7120e6ad39dff2b8a6c3bbdb217164fd7443fc8c06f54e1a.exe	32
PID 2036 wrote to memory of 1668	2036	JaffaCakes118_52e330e3855744ad7120e6ad39dff2b8a6c3bbdb217164fd7443fc8c06f54e1a.exe	32
PID 2036 wrote to memory of 1668	2036	JaffaCakes118_52e330e3855744ad7120e6ad39dff2b8a6c3bbdb217164fd7443fc8c06f54e1a.exe	32
PID 2036 wrote to memory of 1316	2036	JaffaCakes118_52e330e3855744ad7120e6ad39dff2b8a6c3bbdb217164fd7443fc8c06f54e1a.exe	35
PID 2036 wrote to memory of 1316	2036	JaffaCakes118_52e330e3855744ad7120e6ad39dff2b8a6c3bbdb217164fd7443fc8c06f54e1a.exe	35
PID 2036 wrote to memory of 1316	2036	JaffaCakes118_52e330e3855744ad7120e6ad39dff2b8a6c3bbdb217164fd7443fc8c06f54e1a.exe	35
PID 2036 wrote to memory of 1316	2036	JaffaCakes118_52e330e3855744ad7120e6ad39dff2b8a6c3bbdb217164fd7443fc8c06f54e1a.exe	35
PID 2036 wrote to memory of 2468	2036	JaffaCakes118_52e330e3855744ad7120e6ad39dff2b8a6c3bbdb217164fd7443fc8c06f54e1a.exe	37
PID 2036 wrote to memory of 2468	2036	JaffaCakes118_52e330e3855744ad7120e6ad39dff2b8a6c3bbdb217164fd7443fc8c06f54e1a.exe	37
PID 2036 wrote to memory of 2468	2036	JaffaCakes118_52e330e3855744ad7120e6ad39dff2b8a6c3bbdb217164fd7443fc8c06f54e1a.exe	37
PID 2036 wrote to memory of 2468	2036	JaffaCakes118_52e330e3855744ad7120e6ad39dff2b8a6c3bbdb217164fd7443fc8c06f54e1a.exe	37
PID 2036 wrote to memory of 2948	2036	JaffaCakes118_52e330e3855744ad7120e6ad39dff2b8a6c3bbdb217164fd7443fc8c06f54e1a.exe	39
PID 2036 wrote to memory of 2948	2036	JaffaCakes118_52e330e3855744ad7120e6ad39dff2b8a6c3bbdb217164fd7443fc8c06f54e1a.exe	39
PID 2036 wrote to memory of 2948	2036	JaffaCakes118_52e330e3855744ad7120e6ad39dff2b8a6c3bbdb217164fd7443fc8c06f54e1a.exe	39
PID 2036 wrote to memory of 2948	2036	JaffaCakes118_52e330e3855744ad7120e6ad39dff2b8a6c3bbdb217164fd7443fc8c06f54e1a.exe	39
PID 2036 wrote to memory of 2764	2036	JaffaCakes118_52e330e3855744ad7120e6ad39dff2b8a6c3bbdb217164fd7443fc8c06f54e1a.exe	42
PID 2036 wrote to memory of 2764	2036	JaffaCakes118_52e330e3855744ad7120e6ad39dff2b8a6c3bbdb217164fd7443fc8c06f54e1a.exe	42
PID 2036 wrote to memory of 2764	2036	JaffaCakes118_52e330e3855744ad7120e6ad39dff2b8a6c3bbdb217164fd7443fc8c06f54e1a.exe	42
PID 2036 wrote to memory of 2764	2036	JaffaCakes118_52e330e3855744ad7120e6ad39dff2b8a6c3bbdb217164fd7443fc8c06f54e1a.exe	42
PID 2384 wrote to memory of 3068	2384	mnlvyrwh.exe	44
PID 2384 wrote to memory of 3068	2384	mnlvyrwh.exe	44
PID 2384 wrote to memory of 3068	2384	mnlvyrwh.exe	44
PID 2384 wrote to memory of 3068	2384	mnlvyrwh.exe	44
PID 2384 wrote to memory of 3068	2384	mnlvyrwh.exe	44
PID 2384 wrote to memory of 3068	2384	mnlvyrwh.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_52e330e3855744ad7120e6ad39dff2b8a6c3bbdb217164fd7443fc8c06f54e1a.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_52e330e3855744ad7120e6ad39dff2b8a6c3bbdb217164fd7443fc8c06f54e1a.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\dgeopyb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2044
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\mnlvyrwh.exe" C:\Windows\SysWOW64\dgeopyb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1668
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create dgeopyb binPath= "C:\Windows\SysWOW64\dgeopyb\mnlvyrwh.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_52e330e3855744ad7120e6ad39dff2b8a6c3bbdb217164fd7443fc8c06f54e1a.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1316
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description dgeopyb "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2468
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start dgeopyb
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2948
- 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:2764

C:\Windows\SysWOW64\dgeopyb\mnlvyrwh.exe
C:\Windows\SysWOW64\dgeopyb\mnlvyrwh.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_52e330e3855744ad7120e6ad39dff2b8a6c3bbdb217164fd7443fc8c06f54e1a.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2384
- 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:3068

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\mnlvyrwh.exe

Filesize
11.7MB

MD5
6312f5b4be24a91055ebdd9eac0b6234

SHA1
e796fb8fe50cb7ecc2b6b5b3e994109036fbf715

SHA256
e24b2c6df5cffe700a5f982c731af1c2b9cff5313f327e12c901c3e4e05c0d57

SHA512
4e0d2507dd4e62b07a5a9d49e596f5f5c3a777f058cf2a2248b1942d096879c4865ddaee8c6fce23e3e647f83019303cb0b0c7905ff28cc07e3c165d2d6b9521

Download Submit
memory/2036-7-0x0000000000400000-0x00000000008ED000-memory.dmp

Filesize
4.9MB

Download
memory/2036-4-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2036-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2036-8-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2036-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2036-1-0x0000000000D30000-0x0000000000E30000-memory.dmp

Filesize
1024KB

Download
memory/2384-17-0x0000000000400000-0x00000000008ED000-memory.dmp

Filesize
4.9MB

Download
memory/3068-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3068-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3068-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3068-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3068-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads