tofsee | 2041c358dd60883a38ef86aca2312d60b212224630afd4f71f0912fdd9509321

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 06:53

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General

Target

JaffaCakes118_2041c358dd60883a38ef86aca2312d60b212224630afd4f71f0912fdd9509321.exe
Size

277KB
MD5

2f1636d08eadd59792ff590f7752059c
SHA1

0ba20ef238027d1fb320df79746f5453b1cf3892
SHA256

2041c358dd60883a38ef86aca2312d60b212224630afd4f71f0912fdd9509321
SHA512

0ce40c8db3321bae1fdd882d315a2b146a3388cdfd7381437a827cd02980282e04f001e1c25120305d16300da111133ebdd588dd2b2b2f716c98e4973459a250
SSDEEP

6144:ExmFJ/CjeWZ9qpvqTeU/BmZ9QL47avLE:9f/iHqdqTeaqiL47ag

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\cglikhsb = "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
2084	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\cglikhsb\ImagePath = "C:\\Windows\\SysWOW64\\cglikhsb\\zayileju.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2704	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2692	zayileju.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2692 set thread context of 2704	2692	zayileju.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2232	sc.exe
2948	sc.exe
720	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	sc.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	JaffaCakes118_2041c358dd60883a38ef86aca2312d60b212224630afd4f71f0912fdd9509321.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	zayileju.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1820 wrote to memory of 2456	1820	JaffaCakes118_2041c358dd60883a38ef86aca2312d60b212224630afd4f71f0912fdd9509321.exe	28
PID 1820 wrote to memory of 2456	1820	JaffaCakes118_2041c358dd60883a38ef86aca2312d60b212224630afd4f71f0912fdd9509321.exe	28
PID 1820 wrote to memory of 2456	1820	JaffaCakes118_2041c358dd60883a38ef86aca2312d60b212224630afd4f71f0912fdd9509321.exe	28
PID 1820 wrote to memory of 2456	1820	JaffaCakes118_2041c358dd60883a38ef86aca2312d60b212224630afd4f71f0912fdd9509321.exe	28
PID 1820 wrote to memory of 2880	1820	JaffaCakes118_2041c358dd60883a38ef86aca2312d60b212224630afd4f71f0912fdd9509321.exe	30
PID 1820 wrote to memory of 2880	1820	JaffaCakes118_2041c358dd60883a38ef86aca2312d60b212224630afd4f71f0912fdd9509321.exe	30
PID 1820 wrote to memory of 2880	1820	JaffaCakes118_2041c358dd60883a38ef86aca2312d60b212224630afd4f71f0912fdd9509321.exe	30
PID 1820 wrote to memory of 2880	1820	JaffaCakes118_2041c358dd60883a38ef86aca2312d60b212224630afd4f71f0912fdd9509321.exe	30
PID 1820 wrote to memory of 2232	1820	JaffaCakes118_2041c358dd60883a38ef86aca2312d60b212224630afd4f71f0912fdd9509321.exe	32
PID 1820 wrote to memory of 2232	1820	JaffaCakes118_2041c358dd60883a38ef86aca2312d60b212224630afd4f71f0912fdd9509321.exe	32
PID 1820 wrote to memory of 2232	1820	JaffaCakes118_2041c358dd60883a38ef86aca2312d60b212224630afd4f71f0912fdd9509321.exe	32
PID 1820 wrote to memory of 2232	1820	JaffaCakes118_2041c358dd60883a38ef86aca2312d60b212224630afd4f71f0912fdd9509321.exe	32
PID 1820 wrote to memory of 2948	1820	JaffaCakes118_2041c358dd60883a38ef86aca2312d60b212224630afd4f71f0912fdd9509321.exe	34
PID 1820 wrote to memory of 2948	1820	JaffaCakes118_2041c358dd60883a38ef86aca2312d60b212224630afd4f71f0912fdd9509321.exe	34
PID 1820 wrote to memory of 2948	1820	JaffaCakes118_2041c358dd60883a38ef86aca2312d60b212224630afd4f71f0912fdd9509321.exe	34
PID 1820 wrote to memory of 2948	1820	JaffaCakes118_2041c358dd60883a38ef86aca2312d60b212224630afd4f71f0912fdd9509321.exe	34
PID 1820 wrote to memory of 720	1820	JaffaCakes118_2041c358dd60883a38ef86aca2312d60b212224630afd4f71f0912fdd9509321.exe	36
PID 1820 wrote to memory of 720	1820	JaffaCakes118_2041c358dd60883a38ef86aca2312d60b212224630afd4f71f0912fdd9509321.exe	36
PID 1820 wrote to memory of 720	1820	JaffaCakes118_2041c358dd60883a38ef86aca2312d60b212224630afd4f71f0912fdd9509321.exe	36
PID 1820 wrote to memory of 720	1820	JaffaCakes118_2041c358dd60883a38ef86aca2312d60b212224630afd4f71f0912fdd9509321.exe	36
PID 1820 wrote to memory of 2084	1820	JaffaCakes118_2041c358dd60883a38ef86aca2312d60b212224630afd4f71f0912fdd9509321.exe	39
PID 1820 wrote to memory of 2084	1820	JaffaCakes118_2041c358dd60883a38ef86aca2312d60b212224630afd4f71f0912fdd9509321.exe	39
PID 1820 wrote to memory of 2084	1820	JaffaCakes118_2041c358dd60883a38ef86aca2312d60b212224630afd4f71f0912fdd9509321.exe	39
PID 1820 wrote to memory of 2084	1820	JaffaCakes118_2041c358dd60883a38ef86aca2312d60b212224630afd4f71f0912fdd9509321.exe	39
PID 2692 wrote to memory of 2704	2692	zayileju.exe	41
PID 2692 wrote to memory of 2704	2692	zayileju.exe	41
PID 2692 wrote to memory of 2704	2692	zayileju.exe	41
PID 2692 wrote to memory of 2704	2692	zayileju.exe	41
PID 2692 wrote to memory of 2704	2692	zayileju.exe	41
PID 2692 wrote to memory of 2704	2692	zayileju.exe	41

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2041c358dd60883a38ef86aca2312d60b212224630afd4f71f0912fdd9509321.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2041c358dd60883a38ef86aca2312d60b212224630afd4f71f0912fdd9509321.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1820
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\cglikhsb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2456
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\zayileju.exe" C:\Windows\SysWOW64\cglikhsb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2880
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create cglikhsb binPath= "C:\Windows\SysWOW64\cglikhsb\zayileju.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2041c358dd60883a38ef86aca2312d60b212224630afd4f71f0912fdd9509321.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2232
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description cglikhsb "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2948
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start cglikhsb
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:720
- 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:2084

C:\Windows\SysWOW64\cglikhsb\zayileju.exe
C:\Windows\SysWOW64\cglikhsb\zayileju.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2041c358dd60883a38ef86aca2312d60b212224630afd4f71f0912fdd9509321.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2692
- 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:2704

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\zayileju.exe

Filesize
10.5MB

MD5
4c3e24c7265ee7aa3309688b32c2f2d6

SHA1
6f95c2a3c7825a593123004df9e7ba90967fdecb

SHA256
23d49a99e3f852c96766cc213b285bd5c0688397d2a3138aba5c09a6662bd3a2

SHA512
7e4061af79813ba25e92d4ba5cd41f661ff3e950d390768d77fa188cff5945b3e16d2da93a61db8f0d7f930567960932c6d3c11943a0d7f0a4253f255a334654

Download Submit
memory/1820-7-0x0000000000400000-0x0000000001FCB000-memory.dmp

Filesize
27.8MB

Download
memory/1820-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1820-2-0x00000000003C0000-0x00000000003D3000-memory.dmp

Filesize
76KB

Download
memory/1820-8-0x00000000003C0000-0x00000000003D3000-memory.dmp

Filesize
76KB

Download
memory/1820-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1820-1-0x0000000000250000-0x0000000000350000-memory.dmp

Filesize
1024KB

Download
memory/2692-17-0x0000000000400000-0x0000000001FCB000-memory.dmp

Filesize
27.8MB

Download
memory/2704-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2704-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2704-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2704-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2704-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads