tofsee | 7de98713dc8186de58d01dd68413711ab38d71cd2203610d0f2d77f05473d9d2

Analysis

max time kernel
141s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
21/04/2024, 12:03

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General

Target

ff3b549a7f1ab5e6afea72312c41f32b_JaffaCakes118.exe
Size

14.1MB
MD5

ff3b549a7f1ab5e6afea72312c41f32b
SHA1

61268b3482f2580b105d7847be9c0a191c811eb5
SHA256

7de98713dc8186de58d01dd68413711ab38d71cd2203610d0f2d77f05473d9d2
SHA512

80fc2e375f09efd90fe0860d1476b3cb2e6679e19003692a74d8c32b6a125413f42ea169be5602dcd2d8c148da10eb722191c171e2bb40fd6df0a2237c845d99
SSDEEP

98304:oYjPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP:o

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Extracted

Family

tofsee

43.231.4.6

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\qiiprxuf = "0"	svchost.exe

Creates new service(s) 1 TTPs
persistence

Windows Service
T1543.003

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
3016	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\qiiprxuf\ImagePath = "C:\\Windows\\SysWOW64\\qiiprxuf\\jfxvdmph.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2536	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2796	jfxvdmph.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2796 set thread context of 2536	2796	jfxvdmph.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
3020	sc.exe
2636	sc.exe
2624	sc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1196 wrote to memory of 1512	1196	ff3b549a7f1ab5e6afea72312c41f32b_JaffaCakes118.exe	28
PID 1196 wrote to memory of 1512	1196	ff3b549a7f1ab5e6afea72312c41f32b_JaffaCakes118.exe	28
PID 1196 wrote to memory of 1512	1196	ff3b549a7f1ab5e6afea72312c41f32b_JaffaCakes118.exe	28
PID 1196 wrote to memory of 1512	1196	ff3b549a7f1ab5e6afea72312c41f32b_JaffaCakes118.exe	28
PID 1196 wrote to memory of 2612	1196	ff3b549a7f1ab5e6afea72312c41f32b_JaffaCakes118.exe	30
PID 1196 wrote to memory of 2612	1196	ff3b549a7f1ab5e6afea72312c41f32b_JaffaCakes118.exe	30
PID 1196 wrote to memory of 2612	1196	ff3b549a7f1ab5e6afea72312c41f32b_JaffaCakes118.exe	30
PID 1196 wrote to memory of 2612	1196	ff3b549a7f1ab5e6afea72312c41f32b_JaffaCakes118.exe	30
PID 1196 wrote to memory of 3020	1196	ff3b549a7f1ab5e6afea72312c41f32b_JaffaCakes118.exe	32
PID 1196 wrote to memory of 3020	1196	ff3b549a7f1ab5e6afea72312c41f32b_JaffaCakes118.exe	32
PID 1196 wrote to memory of 3020	1196	ff3b549a7f1ab5e6afea72312c41f32b_JaffaCakes118.exe	32
PID 1196 wrote to memory of 3020	1196	ff3b549a7f1ab5e6afea72312c41f32b_JaffaCakes118.exe	32
PID 1196 wrote to memory of 2636	1196	ff3b549a7f1ab5e6afea72312c41f32b_JaffaCakes118.exe	34
PID 1196 wrote to memory of 2636	1196	ff3b549a7f1ab5e6afea72312c41f32b_JaffaCakes118.exe	34
PID 1196 wrote to memory of 2636	1196	ff3b549a7f1ab5e6afea72312c41f32b_JaffaCakes118.exe	34
PID 1196 wrote to memory of 2636	1196	ff3b549a7f1ab5e6afea72312c41f32b_JaffaCakes118.exe	34
PID 1196 wrote to memory of 2624	1196	ff3b549a7f1ab5e6afea72312c41f32b_JaffaCakes118.exe	36
PID 1196 wrote to memory of 2624	1196	ff3b549a7f1ab5e6afea72312c41f32b_JaffaCakes118.exe	36
PID 1196 wrote to memory of 2624	1196	ff3b549a7f1ab5e6afea72312c41f32b_JaffaCakes118.exe	36
PID 1196 wrote to memory of 2624	1196	ff3b549a7f1ab5e6afea72312c41f32b_JaffaCakes118.exe	36
PID 1196 wrote to memory of 3016	1196	ff3b549a7f1ab5e6afea72312c41f32b_JaffaCakes118.exe	39
PID 1196 wrote to memory of 3016	1196	ff3b549a7f1ab5e6afea72312c41f32b_JaffaCakes118.exe	39
PID 1196 wrote to memory of 3016	1196	ff3b549a7f1ab5e6afea72312c41f32b_JaffaCakes118.exe	39
PID 1196 wrote to memory of 3016	1196	ff3b549a7f1ab5e6afea72312c41f32b_JaffaCakes118.exe	39
PID 2796 wrote to memory of 2536	2796	jfxvdmph.exe	41
PID 2796 wrote to memory of 2536	2796	jfxvdmph.exe	41
PID 2796 wrote to memory of 2536	2796	jfxvdmph.exe	41
PID 2796 wrote to memory of 2536	2796	jfxvdmph.exe	41
PID 2796 wrote to memory of 2536	2796	jfxvdmph.exe	41
PID 2796 wrote to memory of 2536	2796	jfxvdmph.exe	41

C:\Users\Admin\AppData\Local\Temp\ff3b549a7f1ab5e6afea72312c41f32b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ff3b549a7f1ab5e6afea72312c41f32b_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qiiprxuf\
  2⤵
  PID:1512
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jfxvdmph.exe" C:\Windows\SysWOW64\qiiprxuf\
  2⤵
  PID:2612
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qiiprxuf binPath= "C:\Windows\SysWOW64\qiiprxuf\jfxvdmph.exe /d\"C:\Users\Admin\AppData\Local\Temp\ff3b549a7f1ab5e6afea72312c41f32b_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  PID:3020
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qiiprxuf "wifi internet conection"
  2⤵
  - Launches sc.exe
  PID:2636
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qiiprxuf
  2⤵
  - Launches sc.exe
  PID:2624
- 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
  PID:3016

C:\Windows\SysWOW64\qiiprxuf\jfxvdmph.exe
C:\Windows\SysWOW64\qiiprxuf\jfxvdmph.exe /d"C:\Users\Admin\AppData\Local\Temp\ff3b549a7f1ab5e6afea72312c41f32b_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2796
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Windows security bypass
  - Sets service image path in registry
  - Deletes itself
  PID:2536

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

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

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\jfxvdmph.exe

Filesize
14.4MB

MD5
b7f0cb7cf1be6940e5533362f099e68a

SHA1
a8291ae2797f9f0e4eb8cb7dbb26d35131460562

SHA256
8238bdde4be25ee2a4240cd1b6a019aa0c2f11beb964838e40321f1301298092

SHA512
2f5e7f74f6453f4bf7f8035476b57343d1b742536adeca6c7b135db3d21a67ea1302d8846e96df733b1c3d56d7856f3675b0f20e53a69f594ce4bd2ccd8d7fd4

Download Submit
memory/1196-1-0x0000000000C90000-0x0000000000D90000-memory.dmp

Filesize
1024KB

Download
memory/1196-2-0x00000000002A0000-0x00000000002B3000-memory.dmp

Filesize
76KB

Download
memory/1196-4-0x0000000000400000-0x0000000000C17000-memory.dmp

Filesize
8.1MB

Download
memory/1196-7-0x0000000000400000-0x0000000000C17000-memory.dmp

Filesize
8.1MB

Download
memory/1196-8-0x00000000002A0000-0x00000000002B3000-memory.dmp

Filesize
76KB

Download
memory/2536-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2536-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2536-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2536-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2536-20-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2536-21-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2536-22-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2796-11-0x0000000000400000-0x0000000000C17000-memory.dmp

Filesize
8.1MB

Download
memory/2796-10-0x0000000000CA0000-0x0000000000DA0000-memory.dmp

Filesize
1024KB

Download
memory/2796-16-0x0000000000400000-0x0000000000C17000-memory.dmp

Filesize
8.1MB

Download

Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads