tofsee | e6cda788201b87ab021e3f1544fd61765081e879b52974bd993f7ba9e9271ef9

Analysis

max time kernel
149s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10/09/2024, 11:29

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General

Target

d82fb6f76e190e7d8da96dcf40d3a22c_JaffaCakes118.exe
Size

142KB
MD5

d82fb6f76e190e7d8da96dcf40d3a22c
SHA1

179419aa3c99bcad94516ca4b841be66fd8a491f
SHA256

e6cda788201b87ab021e3f1544fd61765081e879b52974bd993f7ba9e9271ef9
SHA512

7c2f790bb1a133c4d5bed66da661376104a62b717353e80d38b0467ddda0863feac7d5dba4f796848f25ac58b5e9d9441bb82f50f1ca314c68cd75201e2a595d
SSDEEP

3072:lX3VXWiUmL3Q+cPspRvaMnY7Q0qzhBpJ6E5WcWcecvEcpxxc:aKqsXaAYQb/zD

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

43.231.4.7

lazystax.ru

Signatures

Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan 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\zhtpfciw = "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
2940	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\zhtpfciw\ImagePath = "C:\\Windows\\SysWOW64\\zhtpfciw\\uppwseum.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2708	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2352	uppwseum.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2352 set thread context of 2708	2352	uppwseum.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2800	sc.exe
2684	sc.exe
2868	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	d82fb6f76e190e7d8da96dcf40d3a22c_JaffaCakes118.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	uppwseum.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	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 2952 wrote to memory of 1996	2952	d82fb6f76e190e7d8da96dcf40d3a22c_JaffaCakes118.exe	29
PID 2952 wrote to memory of 1996	2952	d82fb6f76e190e7d8da96dcf40d3a22c_JaffaCakes118.exe	29
PID 2952 wrote to memory of 1996	2952	d82fb6f76e190e7d8da96dcf40d3a22c_JaffaCakes118.exe	29
PID 2952 wrote to memory of 1996	2952	d82fb6f76e190e7d8da96dcf40d3a22c_JaffaCakes118.exe	29
PID 2952 wrote to memory of 2932	2952	d82fb6f76e190e7d8da96dcf40d3a22c_JaffaCakes118.exe	31
PID 2952 wrote to memory of 2932	2952	d82fb6f76e190e7d8da96dcf40d3a22c_JaffaCakes118.exe	31
PID 2952 wrote to memory of 2932	2952	d82fb6f76e190e7d8da96dcf40d3a22c_JaffaCakes118.exe	31
PID 2952 wrote to memory of 2932	2952	d82fb6f76e190e7d8da96dcf40d3a22c_JaffaCakes118.exe	31
PID 2952 wrote to memory of 2800	2952	d82fb6f76e190e7d8da96dcf40d3a22c_JaffaCakes118.exe	33
PID 2952 wrote to memory of 2800	2952	d82fb6f76e190e7d8da96dcf40d3a22c_JaffaCakes118.exe	33
PID 2952 wrote to memory of 2800	2952	d82fb6f76e190e7d8da96dcf40d3a22c_JaffaCakes118.exe	33
PID 2952 wrote to memory of 2800	2952	d82fb6f76e190e7d8da96dcf40d3a22c_JaffaCakes118.exe	33
PID 2952 wrote to memory of 2684	2952	d82fb6f76e190e7d8da96dcf40d3a22c_JaffaCakes118.exe	35
PID 2952 wrote to memory of 2684	2952	d82fb6f76e190e7d8da96dcf40d3a22c_JaffaCakes118.exe	35
PID 2952 wrote to memory of 2684	2952	d82fb6f76e190e7d8da96dcf40d3a22c_JaffaCakes118.exe	35
PID 2952 wrote to memory of 2684	2952	d82fb6f76e190e7d8da96dcf40d3a22c_JaffaCakes118.exe	35
PID 2952 wrote to memory of 2868	2952	d82fb6f76e190e7d8da96dcf40d3a22c_JaffaCakes118.exe	37
PID 2952 wrote to memory of 2868	2952	d82fb6f76e190e7d8da96dcf40d3a22c_JaffaCakes118.exe	37
PID 2952 wrote to memory of 2868	2952	d82fb6f76e190e7d8da96dcf40d3a22c_JaffaCakes118.exe	37
PID 2952 wrote to memory of 2868	2952	d82fb6f76e190e7d8da96dcf40d3a22c_JaffaCakes118.exe	37
PID 2952 wrote to memory of 2940	2952	d82fb6f76e190e7d8da96dcf40d3a22c_JaffaCakes118.exe	39
PID 2952 wrote to memory of 2940	2952	d82fb6f76e190e7d8da96dcf40d3a22c_JaffaCakes118.exe	39
PID 2952 wrote to memory of 2940	2952	d82fb6f76e190e7d8da96dcf40d3a22c_JaffaCakes118.exe	39
PID 2952 wrote to memory of 2940	2952	d82fb6f76e190e7d8da96dcf40d3a22c_JaffaCakes118.exe	39
PID 2352 wrote to memory of 2708	2352	uppwseum.exe	42
PID 2352 wrote to memory of 2708	2352	uppwseum.exe	42
PID 2352 wrote to memory of 2708	2352	uppwseum.exe	42
PID 2352 wrote to memory of 2708	2352	uppwseum.exe	42
PID 2352 wrote to memory of 2708	2352	uppwseum.exe	42
PID 2352 wrote to memory of 2708	2352	uppwseum.exe	42

C:\Users\Admin\AppData\Local\Temp\d82fb6f76e190e7d8da96dcf40d3a22c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d82fb6f76e190e7d8da96dcf40d3a22c_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2952
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\zhtpfciw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1996
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\uppwseum.exe" C:\Windows\SysWOW64\zhtpfciw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2932
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create zhtpfciw binPath= "C:\Windows\SysWOW64\zhtpfciw\uppwseum.exe /d\"C:\Users\Admin\AppData\Local\Temp\d82fb6f76e190e7d8da96dcf40d3a22c_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2800
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description zhtpfciw "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2684
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start zhtpfciw
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2868
- 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:2940

C:\Windows\SysWOW64\zhtpfciw\uppwseum.exe
C:\Windows\SysWOW64\zhtpfciw\uppwseum.exe /d"C:\Users\Admin\AppData\Local\Temp\d82fb6f76e190e7d8da96dcf40d3a22c_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2352
- 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:2708

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\uppwseum.exe

Filesize
14.9MB

MD5
19a585d89725dc24888122022e15b563

SHA1
cb987eee97e5b42a648165d8dbb3e2076e70cf6b

SHA256
11257b098f513fbff97af142210c84a1989e713687d75407e516e5cf33939b3b

SHA512
62005c4c74782d92248090f944b2a2d2af7303802aa09691b7e01118f70b6e870e47f96859368863a7b23d9dc0cc4a5c8020269c6641e096dd552cc7ecbbcda9

Download Submit
memory/2352-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2352-14-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2708-13-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2708-11-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2708-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2708-8-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2708-15-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2952-0-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2952-1-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2952-2-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2952-5-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads