tofsee | 7e8a5dedb5852ba8f9f3970c0204657611bb7b3e8009c019e7105b7528111403

General

Target

79214841917d19ed5226a021dd2d8c7d_JaffaCakes118.exe
Size

120KB
MD5

79214841917d19ed5226a021dd2d8c7d
SHA1

48082025c975b8e060ed37fac928df5ebcd6375f
SHA256

7e8a5dedb5852ba8f9f3970c0204657611bb7b3e8009c019e7105b7528111403
SHA512

8f82b620de851ee6bc45d77aa01b0fc9876c2168319b3fd78bc08cb0a01871238e755b266e6413fe8c464d32d5d3bd7b32600752c3be55a9eb9281c4008a9fe5
SSDEEP

3072:tOLuSAK9akBThPFu6wJnpo33ebEvTHM4O:wE2aiFkJnpjbEjM4

Score

10^/10

tofsee evasion execution persistence trojan

Malware Config

Extracted

Family

tofsee

C2

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

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\gimukfyf = "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

Processes:

netsh.exe

pid process

2632 netsh.exe

pid	process
2632	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\gimukfyf\ImagePath = "C:\\Windows\\SysWOW64\\gimukfyf\\ljqmlusj.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2540 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

ljqmlusj.exe

pid process

2680 ljqmlusj.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

ljqmlusj.exe

description pid process target process

PID 2680 set thread context of 2540 2680 ljqmlusj.exe svchost.exe
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.

Processes:

sc.exesc.exesc.exe

pid process

2808 sc.exe
2668 sc.exe
2772 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2540	svchost.exe

pid	process
2680	ljqmlusj.exe

description	pid	process	target process
PID 2680 set thread context of 2540	2680	ljqmlusj.exe	svchost.exe

pid	process
2808	sc.exe
2668	sc.exe
2772	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

79214841917d19ed5226a021dd2d8c7d_JaffaCakes118.exeljqmlusj.exe

description	pid	process	target process
PID 2892 wrote to memory of 1740	2892	79214841917d19ed5226a021dd2d8c7d_JaffaCakes118.exe	cmd.exe
PID 2892 wrote to memory of 1740	2892	79214841917d19ed5226a021dd2d8c7d_JaffaCakes118.exe	cmd.exe
PID 2892 wrote to memory of 1740	2892	79214841917d19ed5226a021dd2d8c7d_JaffaCakes118.exe	cmd.exe
PID 2892 wrote to memory of 1740	2892	79214841917d19ed5226a021dd2d8c7d_JaffaCakes118.exe	cmd.exe
PID 2892 wrote to memory of 2612	2892	79214841917d19ed5226a021dd2d8c7d_JaffaCakes118.exe	cmd.exe
PID 2892 wrote to memory of 2612	2892	79214841917d19ed5226a021dd2d8c7d_JaffaCakes118.exe	cmd.exe
PID 2892 wrote to memory of 2612	2892	79214841917d19ed5226a021dd2d8c7d_JaffaCakes118.exe	cmd.exe
PID 2892 wrote to memory of 2612	2892	79214841917d19ed5226a021dd2d8c7d_JaffaCakes118.exe	cmd.exe
PID 2892 wrote to memory of 2808	2892	79214841917d19ed5226a021dd2d8c7d_JaffaCakes118.exe	sc.exe
PID 2892 wrote to memory of 2808	2892	79214841917d19ed5226a021dd2d8c7d_JaffaCakes118.exe	sc.exe
PID 2892 wrote to memory of 2808	2892	79214841917d19ed5226a021dd2d8c7d_JaffaCakes118.exe	sc.exe
PID 2892 wrote to memory of 2808	2892	79214841917d19ed5226a021dd2d8c7d_JaffaCakes118.exe	sc.exe
PID 2892 wrote to memory of 2668	2892	79214841917d19ed5226a021dd2d8c7d_JaffaCakes118.exe	sc.exe
PID 2892 wrote to memory of 2668	2892	79214841917d19ed5226a021dd2d8c7d_JaffaCakes118.exe	sc.exe
PID 2892 wrote to memory of 2668	2892	79214841917d19ed5226a021dd2d8c7d_JaffaCakes118.exe	sc.exe
PID 2892 wrote to memory of 2668	2892	79214841917d19ed5226a021dd2d8c7d_JaffaCakes118.exe	sc.exe
PID 2892 wrote to memory of 2772	2892	79214841917d19ed5226a021dd2d8c7d_JaffaCakes118.exe	sc.exe
PID 2892 wrote to memory of 2772	2892	79214841917d19ed5226a021dd2d8c7d_JaffaCakes118.exe	sc.exe
PID 2892 wrote to memory of 2772	2892	79214841917d19ed5226a021dd2d8c7d_JaffaCakes118.exe	sc.exe
PID 2892 wrote to memory of 2772	2892	79214841917d19ed5226a021dd2d8c7d_JaffaCakes118.exe	sc.exe
PID 2680 wrote to memory of 2540	2680	ljqmlusj.exe	svchost.exe
PID 2680 wrote to memory of 2540	2680	ljqmlusj.exe	svchost.exe
PID 2680 wrote to memory of 2540	2680	ljqmlusj.exe	svchost.exe
PID 2680 wrote to memory of 2540	2680	ljqmlusj.exe	svchost.exe
PID 2680 wrote to memory of 2540	2680	ljqmlusj.exe	svchost.exe
PID 2680 wrote to memory of 2540	2680	ljqmlusj.exe	svchost.exe
PID 2892 wrote to memory of 2632	2892	79214841917d19ed5226a021dd2d8c7d_JaffaCakes118.exe	netsh.exe
PID 2892 wrote to memory of 2632	2892	79214841917d19ed5226a021dd2d8c7d_JaffaCakes118.exe	netsh.exe
PID 2892 wrote to memory of 2632	2892	79214841917d19ed5226a021dd2d8c7d_JaffaCakes118.exe	netsh.exe
PID 2892 wrote to memory of 2632	2892	79214841917d19ed5226a021dd2d8c7d_JaffaCakes118.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\79214841917d19ed5226a021dd2d8c7d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\79214841917d19ed5226a021dd2d8c7d_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2892
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\gimukfyf\
  2⤵
  PID:1740
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ljqmlusj.exe" C:\Windows\SysWOW64\gimukfyf\
  2⤵
  PID:2612
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create gimukfyf binPath= "C:\Windows\SysWOW64\gimukfyf\ljqmlusj.exe /d\"C:\Users\Admin\AppData\Local\Temp\79214841917d19ed5226a021dd2d8c7d_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  PID:2808
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description gimukfyf "wifi internet conection"
  2⤵
  - Launches sc.exe
  PID:2668
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start gimukfyf
  2⤵
  - Launches sc.exe
  PID:2772
- 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:2632

C:\Windows\SysWOW64\gimukfyf\ljqmlusj.exe
C:\Windows\SysWOW64\gimukfyf\ljqmlusj.exe /d"C:\Users\Admin\AppData\Local\Temp\79214841917d19ed5226a021dd2d8c7d_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2680
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Windows security bypass
  - Sets service image path in registry
  - Deletes itself
  PID:2540

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify System Firewall

1

T1562.004

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
11.0MB

MD5
cb7171d13b2323aa31a8df32eead60d6

SHA1
29fa24b60ef7e597ba7f3ecd5f5ba6261c6ceb54

SHA256
4c386e0b03bec5e8a00c7d1d5b15b7987e5f2870cd47722f586f14312d2f3d83

SHA512
27bbf3cad245807403a02f7f24673a35a1f7f8cb9e7a192a38d0c5c1c3a188f0e7bc79238161849c45c04a17e01100337d82b49469e611b6ea7b12b9350ee893

Download Submit
memory/2540-10-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2540-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2540-7-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2540-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2540-15-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2680-6-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2680-12-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2892-0-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2892-2-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2892-1-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2892-13-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads