tofsee | 53e44288e55e4f096aa45b2dbab426984680aa13844fc22a66ca8cea9fc239e0

Analysis

max time kernel
144s
max time network
145s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 07:36

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General

Target

JaffaCakes118_53e44288e55e4f096aa45b2dbab426984680aa13844fc22a66ca8cea9fc239e0.exe
Size

246KB
MD5

e030c51b0ced4c62a924f9e7bbadc75b
SHA1

f265f8063c3ddd2d173b88e7be57bffe59e97dae
SHA256

53e44288e55e4f096aa45b2dbab426984680aa13844fc22a66ca8cea9fc239e0
SHA512

432b0116d1eaf25cca1c1f7317d0ec845e7b948789fd7ba97808a986bbb6bf0396153bff0f4a53ade7e49b6bba13936d296ca374f34fd7ce5f9828c0483a7cb9
SSDEEP

3072:/7OwU3TAyXWuXNWZ6ufWKbzTASuqbgdgsF54VggjcGkNIVqIpEVE:MTAyxX+6ueKbzTAIIdM7ITsqUEK

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

patmushta.info

ovicrush.cn

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\yzhvpelp = "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
2960	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\yzhvpelp\ImagePath = "C:\\Windows\\SysWOW64\\yzhvpelp\\eqzsiimd.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2176	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2844	eqzsiimd.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2844 set thread context of 2176	2844	eqzsiimd.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2412	sc.exe
3060	sc.exe
2296	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_53e44288e55e4f096aa45b2dbab426984680aa13844fc22a66ca8cea9fc239e0.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eqzsiimd.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 2396 wrote to memory of 2524	2396	JaffaCakes118_53e44288e55e4f096aa45b2dbab426984680aa13844fc22a66ca8cea9fc239e0.exe	30
PID 2396 wrote to memory of 2524	2396	JaffaCakes118_53e44288e55e4f096aa45b2dbab426984680aa13844fc22a66ca8cea9fc239e0.exe	30
PID 2396 wrote to memory of 2524	2396	JaffaCakes118_53e44288e55e4f096aa45b2dbab426984680aa13844fc22a66ca8cea9fc239e0.exe	30
PID 2396 wrote to memory of 2524	2396	JaffaCakes118_53e44288e55e4f096aa45b2dbab426984680aa13844fc22a66ca8cea9fc239e0.exe	30
PID 2396 wrote to memory of 1952	2396	JaffaCakes118_53e44288e55e4f096aa45b2dbab426984680aa13844fc22a66ca8cea9fc239e0.exe	32
PID 2396 wrote to memory of 1952	2396	JaffaCakes118_53e44288e55e4f096aa45b2dbab426984680aa13844fc22a66ca8cea9fc239e0.exe	32
PID 2396 wrote to memory of 1952	2396	JaffaCakes118_53e44288e55e4f096aa45b2dbab426984680aa13844fc22a66ca8cea9fc239e0.exe	32
PID 2396 wrote to memory of 1952	2396	JaffaCakes118_53e44288e55e4f096aa45b2dbab426984680aa13844fc22a66ca8cea9fc239e0.exe	32
PID 2396 wrote to memory of 2412	2396	JaffaCakes118_53e44288e55e4f096aa45b2dbab426984680aa13844fc22a66ca8cea9fc239e0.exe	34
PID 2396 wrote to memory of 2412	2396	JaffaCakes118_53e44288e55e4f096aa45b2dbab426984680aa13844fc22a66ca8cea9fc239e0.exe	34
PID 2396 wrote to memory of 2412	2396	JaffaCakes118_53e44288e55e4f096aa45b2dbab426984680aa13844fc22a66ca8cea9fc239e0.exe	34
PID 2396 wrote to memory of 2412	2396	JaffaCakes118_53e44288e55e4f096aa45b2dbab426984680aa13844fc22a66ca8cea9fc239e0.exe	34
PID 2396 wrote to memory of 3060	2396	JaffaCakes118_53e44288e55e4f096aa45b2dbab426984680aa13844fc22a66ca8cea9fc239e0.exe	36
PID 2396 wrote to memory of 3060	2396	JaffaCakes118_53e44288e55e4f096aa45b2dbab426984680aa13844fc22a66ca8cea9fc239e0.exe	36
PID 2396 wrote to memory of 3060	2396	JaffaCakes118_53e44288e55e4f096aa45b2dbab426984680aa13844fc22a66ca8cea9fc239e0.exe	36
PID 2396 wrote to memory of 3060	2396	JaffaCakes118_53e44288e55e4f096aa45b2dbab426984680aa13844fc22a66ca8cea9fc239e0.exe	36
PID 2396 wrote to memory of 2296	2396	JaffaCakes118_53e44288e55e4f096aa45b2dbab426984680aa13844fc22a66ca8cea9fc239e0.exe	38
PID 2396 wrote to memory of 2296	2396	JaffaCakes118_53e44288e55e4f096aa45b2dbab426984680aa13844fc22a66ca8cea9fc239e0.exe	38
PID 2396 wrote to memory of 2296	2396	JaffaCakes118_53e44288e55e4f096aa45b2dbab426984680aa13844fc22a66ca8cea9fc239e0.exe	38
PID 2396 wrote to memory of 2296	2396	JaffaCakes118_53e44288e55e4f096aa45b2dbab426984680aa13844fc22a66ca8cea9fc239e0.exe	38
PID 2396 wrote to memory of 2960	2396	JaffaCakes118_53e44288e55e4f096aa45b2dbab426984680aa13844fc22a66ca8cea9fc239e0.exe	41
PID 2396 wrote to memory of 2960	2396	JaffaCakes118_53e44288e55e4f096aa45b2dbab426984680aa13844fc22a66ca8cea9fc239e0.exe	41
PID 2396 wrote to memory of 2960	2396	JaffaCakes118_53e44288e55e4f096aa45b2dbab426984680aa13844fc22a66ca8cea9fc239e0.exe	41
PID 2396 wrote to memory of 2960	2396	JaffaCakes118_53e44288e55e4f096aa45b2dbab426984680aa13844fc22a66ca8cea9fc239e0.exe	41
PID 2844 wrote to memory of 2176	2844	eqzsiimd.exe	44
PID 2844 wrote to memory of 2176	2844	eqzsiimd.exe	44
PID 2844 wrote to memory of 2176	2844	eqzsiimd.exe	44
PID 2844 wrote to memory of 2176	2844	eqzsiimd.exe	44
PID 2844 wrote to memory of 2176	2844	eqzsiimd.exe	44
PID 2844 wrote to memory of 2176	2844	eqzsiimd.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_53e44288e55e4f096aa45b2dbab426984680aa13844fc22a66ca8cea9fc239e0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_53e44288e55e4f096aa45b2dbab426984680aa13844fc22a66ca8cea9fc239e0.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2396
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\yzhvpelp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2524
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\eqzsiimd.exe" C:\Windows\SysWOW64\yzhvpelp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1952
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create yzhvpelp binPath= "C:\Windows\SysWOW64\yzhvpelp\eqzsiimd.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_53e44288e55e4f096aa45b2dbab426984680aa13844fc22a66ca8cea9fc239e0.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2412
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description yzhvpelp "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3060
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start yzhvpelp
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2296
- 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:2960

C:\Windows\SysWOW64\yzhvpelp\eqzsiimd.exe
C:\Windows\SysWOW64\yzhvpelp\eqzsiimd.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_53e44288e55e4f096aa45b2dbab426984680aa13844fc22a66ca8cea9fc239e0.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2844
- 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:2176

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\eqzsiimd.exe

Filesize
11.1MB

MD5
76af117403199c27577e3e3dfb0b72fe

SHA1
8c28c079b42a29d42a9d3148f66edd403dcf7b2f

SHA256
8d730a099a7b727503e2e61e37680cf8a80e6e615d020fe59ec0db5544bab94d

SHA512
0afef46a180631fdb9dc2894487695ff94797279a88034509608892fa75130eb33df3a4fbfebf8937b1a8128f898929f9be26892514d8e9e4bd72771d39518a5

Download Submit
memory/2176-10-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2176-13-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2176-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2176-15-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2176-17-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2396-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2396-1-0x0000000000260000-0x0000000000273000-memory.dmp

Filesize
76KB

Download
memory/2396-7-0x00000000001B0000-0x00000000001BD000-memory.dmp

Filesize
52KB

Download
memory/2396-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2396-8-0x0000000000260000-0x0000000000273000-memory.dmp

Filesize
76KB

Download
memory/2396-6-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2396-0-0x00000000001B0000-0x00000000001BD000-memory.dmp

Filesize
52KB

Download
memory/2844-16-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads