tofsee | 49911d61a324bcfb2722acc8f21c54e093fed68c99989b26bd031298bb84f4b7

General

Target

fbbc300be6ec59b88fe78c250e98f0f4_JaffaCakes118.exe
Size

14.6MB
MD5

fbbc300be6ec59b88fe78c250e98f0f4
SHA1

e59eae7c8050cc027aad2f6801808ec899527cf5
SHA256

49911d61a324bcfb2722acc8f21c54e093fed68c99989b26bd031298bb84f4b7
SHA512

25f9a3f6fe4a1c7b852c8a9adee66c5a762c0021aa73b6d1bcefb9a811efbc558573955877b4c831ca6204fb3235a724a0dcd6234f8bb82db2a04b59edeb6929
SSDEEP

49152:Sj5555555555555555555555555555555555555555555555555555555555555F:

Score

10^/10

tofsee evasion 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\zmcgqzrs = "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

Processes:

netsh.exe

pid process

1564 netsh.exe

pid	process
1564	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\zmcgqzrs\ImagePath = "C:\\Windows\\SysWOW64\\zmcgqzrs\\kjzvcyd.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2588 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

kjzvcyd.exe

pid process

2652 kjzvcyd.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

kjzvcyd.exe

description pid process target process

PID 2652 set thread context of 2588 2652 kjzvcyd.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

2568 sc.exe
2660 sc.exe
2364 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2588	svchost.exe

pid	process
2652	kjzvcyd.exe

description	pid	process	target process
PID 2652 set thread context of 2588	2652	kjzvcyd.exe	svchost.exe

pid	process
2568	sc.exe
2660	sc.exe
2364	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

fbbc300be6ec59b88fe78c250e98f0f4_JaffaCakes118.exekjzvcyd.exe

description	pid	process	target process
PID 3068 wrote to memory of 2704	3068	fbbc300be6ec59b88fe78c250e98f0f4_JaffaCakes118.exe	cmd.exe
PID 3068 wrote to memory of 2704	3068	fbbc300be6ec59b88fe78c250e98f0f4_JaffaCakes118.exe	cmd.exe
PID 3068 wrote to memory of 2704	3068	fbbc300be6ec59b88fe78c250e98f0f4_JaffaCakes118.exe	cmd.exe
PID 3068 wrote to memory of 2704	3068	fbbc300be6ec59b88fe78c250e98f0f4_JaffaCakes118.exe	cmd.exe
PID 3068 wrote to memory of 3044	3068	fbbc300be6ec59b88fe78c250e98f0f4_JaffaCakes118.exe	cmd.exe
PID 3068 wrote to memory of 3044	3068	fbbc300be6ec59b88fe78c250e98f0f4_JaffaCakes118.exe	cmd.exe
PID 3068 wrote to memory of 3044	3068	fbbc300be6ec59b88fe78c250e98f0f4_JaffaCakes118.exe	cmd.exe
PID 3068 wrote to memory of 3044	3068	fbbc300be6ec59b88fe78c250e98f0f4_JaffaCakes118.exe	cmd.exe
PID 3068 wrote to memory of 2568	3068	fbbc300be6ec59b88fe78c250e98f0f4_JaffaCakes118.exe	sc.exe
PID 3068 wrote to memory of 2568	3068	fbbc300be6ec59b88fe78c250e98f0f4_JaffaCakes118.exe	sc.exe
PID 3068 wrote to memory of 2568	3068	fbbc300be6ec59b88fe78c250e98f0f4_JaffaCakes118.exe	sc.exe
PID 3068 wrote to memory of 2568	3068	fbbc300be6ec59b88fe78c250e98f0f4_JaffaCakes118.exe	sc.exe
PID 3068 wrote to memory of 2660	3068	fbbc300be6ec59b88fe78c250e98f0f4_JaffaCakes118.exe	sc.exe
PID 3068 wrote to memory of 2660	3068	fbbc300be6ec59b88fe78c250e98f0f4_JaffaCakes118.exe	sc.exe
PID 3068 wrote to memory of 2660	3068	fbbc300be6ec59b88fe78c250e98f0f4_JaffaCakes118.exe	sc.exe
PID 3068 wrote to memory of 2660	3068	fbbc300be6ec59b88fe78c250e98f0f4_JaffaCakes118.exe	sc.exe
PID 3068 wrote to memory of 2364	3068	fbbc300be6ec59b88fe78c250e98f0f4_JaffaCakes118.exe	sc.exe
PID 3068 wrote to memory of 2364	3068	fbbc300be6ec59b88fe78c250e98f0f4_JaffaCakes118.exe	sc.exe
PID 3068 wrote to memory of 2364	3068	fbbc300be6ec59b88fe78c250e98f0f4_JaffaCakes118.exe	sc.exe
PID 3068 wrote to memory of 2364	3068	fbbc300be6ec59b88fe78c250e98f0f4_JaffaCakes118.exe	sc.exe
PID 2652 wrote to memory of 2588	2652	kjzvcyd.exe	svchost.exe
PID 2652 wrote to memory of 2588	2652	kjzvcyd.exe	svchost.exe
PID 2652 wrote to memory of 2588	2652	kjzvcyd.exe	svchost.exe
PID 2652 wrote to memory of 2588	2652	kjzvcyd.exe	svchost.exe
PID 2652 wrote to memory of 2588	2652	kjzvcyd.exe	svchost.exe
PID 2652 wrote to memory of 2588	2652	kjzvcyd.exe	svchost.exe
PID 3068 wrote to memory of 1564	3068	fbbc300be6ec59b88fe78c250e98f0f4_JaffaCakes118.exe	netsh.exe
PID 3068 wrote to memory of 1564	3068	fbbc300be6ec59b88fe78c250e98f0f4_JaffaCakes118.exe	netsh.exe
PID 3068 wrote to memory of 1564	3068	fbbc300be6ec59b88fe78c250e98f0f4_JaffaCakes118.exe	netsh.exe
PID 3068 wrote to memory of 1564	3068	fbbc300be6ec59b88fe78c250e98f0f4_JaffaCakes118.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\fbbc300be6ec59b88fe78c250e98f0f4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fbbc300be6ec59b88fe78c250e98f0f4_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3068

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\zmcgqzrs\
2⤵
PID:2704

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\kjzvcyd.exe" C:\Windows\SysWOW64\zmcgqzrs\
2⤵
PID:3044

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create zmcgqzrs binPath= "C:\Windows\SysWOW64\zmcgqzrs\kjzvcyd.exe /d\"C:\Users\Admin\AppData\Local\Temp\fbbc300be6ec59b88fe78c250e98f0f4_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2568

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description zmcgqzrs "wifi internet conection"
2⤵
- Launches sc.exe
PID:2660

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start zmcgqzrs
2⤵
- Launches sc.exe
PID:2364

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:1564

C:\Windows\SysWOW64\zmcgqzrs\kjzvcyd.exe
C:\Windows\SysWOW64\zmcgqzrs\kjzvcyd.exe /d"C:\Users\Admin\AppData\Local\Temp\fbbc300be6ec59b88fe78c250e98f0f4_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2652

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2588

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

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Downloads

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

Filesize
14.3MB

MD5
beb10d466ae9eeaea509c5663b82b4f4

SHA1
1a431b846ff8e033e4351aef84ec77207cb2f6cf

SHA256
9dc67eb604a28ae9d9048c2736b6761849d662f404eac0a05a15b5343ffed4ba

SHA512
d69d8bbb770a8394628e69be14a76772e567e0daf7e155ef27a1311cb4098bf4e726887c966f20eaae50f189cfc73648affbeb4ff1dd0c932b8e436f7a42bc7b

Download Submit
memory/2588-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2588-17-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2588-21-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2588-20-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2588-19-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2588-13-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2588-10-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2652-8-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2652-16-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2652-7-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3068-3-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/3068-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3068-18-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3068-1-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3068-2-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads