tofsee | 978dbbcd7fe5aef66e208b49220efe402292abb56754dd81ba61c10ec9bcc357

Analysis

max time kernel
146s
max time network
147s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
14/11/2023, 19:01

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General

Target

978dbbcd7fe5aef66e208b49220efe402292abb56754dd81ba61c10ec9bcc357.exe
Size

11.9MB
MD5

b5072febf349daf9ec3efb305e919bbb
SHA1

f897d5d432849eba226148bd301b19e6ded7c67a
SHA256

978dbbcd7fe5aef66e208b49220efe402292abb56754dd81ba61c10ec9bcc357
SHA512

bc46f4c9b859a47a60de9d99df7a8084c96373238e505122a222f0f9fbb89514adf29d247b622714c82be726866a9463dcbb2bb9d8fd88a63cd02ac2f1b2839c
SSDEEP

3072:P8NYa2qJjULtTNupQyEC6pxhhfm5OcVi:PsRItTNKr2f45

Score

10^/10

tofsee evasion persistence 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\ulkiadpp = "0"	svchost.exe

Creates new service(s) 1 TTPs
persistence

Windows Service
T1543.003

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Windows Service

T1543.003

pid	Process
2920	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\ulkiadpp\ImagePath = "C:\\Windows\\SysWOW64\\ulkiadpp\\qcdxsopm.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2660	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2516	qcdxsopm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2516 set thread context of 2660	2516	qcdxsopm.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2712	sc.exe
2632	sc.exe
2740	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 2984 wrote to memory of 2356	2984	978dbbcd7fe5aef66e208b49220efe402292abb56754dd81ba61c10ec9bcc357.exe	28
PID 2984 wrote to memory of 2356	2984	978dbbcd7fe5aef66e208b49220efe402292abb56754dd81ba61c10ec9bcc357.exe	28
PID 2984 wrote to memory of 2356	2984	978dbbcd7fe5aef66e208b49220efe402292abb56754dd81ba61c10ec9bcc357.exe	28
PID 2984 wrote to memory of 2356	2984	978dbbcd7fe5aef66e208b49220efe402292abb56754dd81ba61c10ec9bcc357.exe	28
PID 2984 wrote to memory of 2628	2984	978dbbcd7fe5aef66e208b49220efe402292abb56754dd81ba61c10ec9bcc357.exe	30
PID 2984 wrote to memory of 2628	2984	978dbbcd7fe5aef66e208b49220efe402292abb56754dd81ba61c10ec9bcc357.exe	30
PID 2984 wrote to memory of 2628	2984	978dbbcd7fe5aef66e208b49220efe402292abb56754dd81ba61c10ec9bcc357.exe	30
PID 2984 wrote to memory of 2628	2984	978dbbcd7fe5aef66e208b49220efe402292abb56754dd81ba61c10ec9bcc357.exe	30
PID 2984 wrote to memory of 2712	2984	978dbbcd7fe5aef66e208b49220efe402292abb56754dd81ba61c10ec9bcc357.exe	32
PID 2984 wrote to memory of 2712	2984	978dbbcd7fe5aef66e208b49220efe402292abb56754dd81ba61c10ec9bcc357.exe	32
PID 2984 wrote to memory of 2712	2984	978dbbcd7fe5aef66e208b49220efe402292abb56754dd81ba61c10ec9bcc357.exe	32
PID 2984 wrote to memory of 2712	2984	978dbbcd7fe5aef66e208b49220efe402292abb56754dd81ba61c10ec9bcc357.exe	32
PID 2984 wrote to memory of 2632	2984	978dbbcd7fe5aef66e208b49220efe402292abb56754dd81ba61c10ec9bcc357.exe	34
PID 2984 wrote to memory of 2632	2984	978dbbcd7fe5aef66e208b49220efe402292abb56754dd81ba61c10ec9bcc357.exe	34
PID 2984 wrote to memory of 2632	2984	978dbbcd7fe5aef66e208b49220efe402292abb56754dd81ba61c10ec9bcc357.exe	34
PID 2984 wrote to memory of 2632	2984	978dbbcd7fe5aef66e208b49220efe402292abb56754dd81ba61c10ec9bcc357.exe	34
PID 2984 wrote to memory of 2740	2984	978dbbcd7fe5aef66e208b49220efe402292abb56754dd81ba61c10ec9bcc357.exe	36
PID 2984 wrote to memory of 2740	2984	978dbbcd7fe5aef66e208b49220efe402292abb56754dd81ba61c10ec9bcc357.exe	36
PID 2984 wrote to memory of 2740	2984	978dbbcd7fe5aef66e208b49220efe402292abb56754dd81ba61c10ec9bcc357.exe	36
PID 2984 wrote to memory of 2740	2984	978dbbcd7fe5aef66e208b49220efe402292abb56754dd81ba61c10ec9bcc357.exe	36
PID 2984 wrote to memory of 2920	2984	978dbbcd7fe5aef66e208b49220efe402292abb56754dd81ba61c10ec9bcc357.exe	38
PID 2984 wrote to memory of 2920	2984	978dbbcd7fe5aef66e208b49220efe402292abb56754dd81ba61c10ec9bcc357.exe	38
PID 2984 wrote to memory of 2920	2984	978dbbcd7fe5aef66e208b49220efe402292abb56754dd81ba61c10ec9bcc357.exe	38
PID 2984 wrote to memory of 2920	2984	978dbbcd7fe5aef66e208b49220efe402292abb56754dd81ba61c10ec9bcc357.exe	38
PID 2516 wrote to memory of 2660	2516	qcdxsopm.exe	41
PID 2516 wrote to memory of 2660	2516	qcdxsopm.exe	41
PID 2516 wrote to memory of 2660	2516	qcdxsopm.exe	41
PID 2516 wrote to memory of 2660	2516	qcdxsopm.exe	41
PID 2516 wrote to memory of 2660	2516	qcdxsopm.exe	41
PID 2516 wrote to memory of 2660	2516	qcdxsopm.exe	41

C:\Users\Admin\AppData\Local\Temp\978dbbcd7fe5aef66e208b49220efe402292abb56754dd81ba61c10ec9bcc357.exe
"C:\Users\Admin\AppData\Local\Temp\978dbbcd7fe5aef66e208b49220efe402292abb56754dd81ba61c10ec9bcc357.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2984
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ulkiadpp\
  2⤵
  PID:2356
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qcdxsopm.exe" C:\Windows\SysWOW64\ulkiadpp\
  2⤵
  PID:2628
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ulkiadpp binPath= "C:\Windows\SysWOW64\ulkiadpp\qcdxsopm.exe /d\"C:\Users\Admin\AppData\Local\Temp\978dbbcd7fe5aef66e208b49220efe402292abb56754dd81ba61c10ec9bcc357.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  PID:2712
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ulkiadpp "wifi internet conection"
  2⤵
  - Launches sc.exe
  PID:2632
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ulkiadpp
  2⤵
  - Launches sc.exe
  PID:2740
- 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:2920

C:\Windows\SysWOW64\ulkiadpp\qcdxsopm.exe
C:\Windows\SysWOW64\ulkiadpp\qcdxsopm.exe /d"C:\Users\Admin\AppData\Local\Temp\978dbbcd7fe5aef66e208b49220efe402292abb56754dd81ba61c10ec9bcc357.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2516
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Windows security bypass
  - Sets service image path in registry
  - Deletes itself
  PID:2660

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 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\qcdxsopm.exe

Filesize
13.8MB

MD5
611b48be0fff8b5996a588837cf941d0

SHA1
4dfd8ef0064e9a56786e07a1337b0c8145422893

SHA256
1931824da72d7257afacec87ed3daa85145924bf2c9eaa462f28504372f15568

SHA512
cffa6c5d7332d57ad86cac096262b96144f7bc8455ccdeaf4bf50f08a7ce9c22777cc4ddd34ec7f815d1a12d3db73a91c65887cada46c80f486798356ee42d93

Download Submit
C:\Windows\SysWOW64\ulkiadpp\qcdxsopm.exe

Filesize
13.8MB

MD5
611b48be0fff8b5996a588837cf941d0

SHA1
4dfd8ef0064e9a56786e07a1337b0c8145422893

SHA256
1931824da72d7257afacec87ed3daa85145924bf2c9eaa462f28504372f15568

SHA512
cffa6c5d7332d57ad86cac096262b96144f7bc8455ccdeaf4bf50f08a7ce9c22777cc4ddd34ec7f815d1a12d3db73a91c65887cada46c80f486798356ee42d93

Download Submit
memory/2516-13-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2516-8-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2516-7-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2660-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2660-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2660-9-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2660-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2660-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2660-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2660-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2984-5-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2984-2-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/2984-0-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/2984-1-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads