tofsee | f17a88bf3b89dff62b431dacda445025c5c3764b9bc87bf584df2e4f274996b8

General

Target

f2c7b3dd677d36abe158ada055822669_JaffaCakes118.exe
Size

10.7MB
MD5

f2c7b3dd677d36abe158ada055822669
SHA1

06f400ae6e2a2c0a1e8f64e702444a297f37d0f3
SHA256

f17a88bf3b89dff62b431dacda445025c5c3764b9bc87bf584df2e4f274996b8
SHA512

b59e41c6a44de1e9ca80189581a2d634df6d88b6442ba49d77dddf943043e81ce9a7cf92a5cc6a954d20d4414f9f237526e479718540a7cd16025091b07d3130
SSDEEP

98304:w11111111111111111111111111111111111111111111111111111111111111f:

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\mbxjvcu = "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

2556 netsh.exe

pid	process
2556	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\mbxjvcu\ImagePath = "C:\\Windows\\SysWOW64\\mbxjvcu\\idhzpaca.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2612 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

idhzpaca.exe

pid process

2604 idhzpaca.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

idhzpaca.exe

description pid process target process

PID 2604 set thread context of 2612 2604 idhzpaca.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

548 sc.exe
2640 sc.exe
2668 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2612	svchost.exe

pid	process
2604	idhzpaca.exe

description	pid	process	target process
PID 2604 set thread context of 2612	2604	idhzpaca.exe	svchost.exe

pid	process
548	sc.exe
2640	sc.exe
2668	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

f2c7b3dd677d36abe158ada055822669_JaffaCakes118.exeidhzpaca.exe

description	pid	process	target process
PID 1512 wrote to memory of 1944	1512	f2c7b3dd677d36abe158ada055822669_JaffaCakes118.exe	cmd.exe
PID 1512 wrote to memory of 1944	1512	f2c7b3dd677d36abe158ada055822669_JaffaCakes118.exe	cmd.exe
PID 1512 wrote to memory of 1944	1512	f2c7b3dd677d36abe158ada055822669_JaffaCakes118.exe	cmd.exe
PID 1512 wrote to memory of 1944	1512	f2c7b3dd677d36abe158ada055822669_JaffaCakes118.exe	cmd.exe
PID 1512 wrote to memory of 2904	1512	f2c7b3dd677d36abe158ada055822669_JaffaCakes118.exe	cmd.exe
PID 1512 wrote to memory of 2904	1512	f2c7b3dd677d36abe158ada055822669_JaffaCakes118.exe	cmd.exe
PID 1512 wrote to memory of 2904	1512	f2c7b3dd677d36abe158ada055822669_JaffaCakes118.exe	cmd.exe
PID 1512 wrote to memory of 2904	1512	f2c7b3dd677d36abe158ada055822669_JaffaCakes118.exe	cmd.exe
PID 1512 wrote to memory of 548	1512	f2c7b3dd677d36abe158ada055822669_JaffaCakes118.exe	sc.exe
PID 1512 wrote to memory of 548	1512	f2c7b3dd677d36abe158ada055822669_JaffaCakes118.exe	sc.exe
PID 1512 wrote to memory of 548	1512	f2c7b3dd677d36abe158ada055822669_JaffaCakes118.exe	sc.exe
PID 1512 wrote to memory of 548	1512	f2c7b3dd677d36abe158ada055822669_JaffaCakes118.exe	sc.exe
PID 1512 wrote to memory of 2640	1512	f2c7b3dd677d36abe158ada055822669_JaffaCakes118.exe	sc.exe
PID 1512 wrote to memory of 2640	1512	f2c7b3dd677d36abe158ada055822669_JaffaCakes118.exe	sc.exe
PID 1512 wrote to memory of 2640	1512	f2c7b3dd677d36abe158ada055822669_JaffaCakes118.exe	sc.exe
PID 1512 wrote to memory of 2640	1512	f2c7b3dd677d36abe158ada055822669_JaffaCakes118.exe	sc.exe
PID 1512 wrote to memory of 2668	1512	f2c7b3dd677d36abe158ada055822669_JaffaCakes118.exe	sc.exe
PID 1512 wrote to memory of 2668	1512	f2c7b3dd677d36abe158ada055822669_JaffaCakes118.exe	sc.exe
PID 1512 wrote to memory of 2668	1512	f2c7b3dd677d36abe158ada055822669_JaffaCakes118.exe	sc.exe
PID 1512 wrote to memory of 2668	1512	f2c7b3dd677d36abe158ada055822669_JaffaCakes118.exe	sc.exe
PID 1512 wrote to memory of 2556	1512	f2c7b3dd677d36abe158ada055822669_JaffaCakes118.exe	netsh.exe
PID 1512 wrote to memory of 2556	1512	f2c7b3dd677d36abe158ada055822669_JaffaCakes118.exe	netsh.exe
PID 1512 wrote to memory of 2556	1512	f2c7b3dd677d36abe158ada055822669_JaffaCakes118.exe	netsh.exe
PID 1512 wrote to memory of 2556	1512	f2c7b3dd677d36abe158ada055822669_JaffaCakes118.exe	netsh.exe
PID 2604 wrote to memory of 2612	2604	idhzpaca.exe	svchost.exe
PID 2604 wrote to memory of 2612	2604	idhzpaca.exe	svchost.exe
PID 2604 wrote to memory of 2612	2604	idhzpaca.exe	svchost.exe
PID 2604 wrote to memory of 2612	2604	idhzpaca.exe	svchost.exe
PID 2604 wrote to memory of 2612	2604	idhzpaca.exe	svchost.exe
PID 2604 wrote to memory of 2612	2604	idhzpaca.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\f2c7b3dd677d36abe158ada055822669_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f2c7b3dd677d36abe158ada055822669_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1512

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\mbxjvcu\
2⤵
PID:1944

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\idhzpaca.exe" C:\Windows\SysWOW64\mbxjvcu\
2⤵
PID:2904

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create mbxjvcu binPath= "C:\Windows\SysWOW64\mbxjvcu\idhzpaca.exe /d\"C:\Users\Admin\AppData\Local\Temp\f2c7b3dd677d36abe158ada055822669_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:548

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description mbxjvcu "wifi internet conection"
2⤵
- Launches sc.exe
PID:2640

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start mbxjvcu
2⤵
- Launches sc.exe
PID:2668

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:2556

C:\Windows\SysWOW64\mbxjvcu\idhzpaca.exe
C:\Windows\SysWOW64\mbxjvcu\idhzpaca.exe /d"C:\Users\Admin\AppData\Local\Temp\f2c7b3dd677d36abe158ada055822669_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2604

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2612

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify Tools

1

T1562.001

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\idhzpaca.exe
Filesize
10.2MB

MD5
c5906a72f93a91c108533f13d8030b0a

SHA1
8e1b8f656623786ad8d01b106b73717c90b63f9a

SHA256
477c5a698e5312490897d7f73580e68a9907521e8b575cd83ca782e4f1158ba0

SHA512
c609f528eba5a04efa0a07334ff4cd051d9a4c91e586ffcd33d20a682e0322b4bca44d01c4563a4a235bbb28619f5575d9805ff7a35a8d42488d0ff7d7b68959

Download Submit
memory/1512-1-0x00000000023C0000-0x00000000024C0000-memory.dmp

Filesize
1024KB

Download
memory/1512-3-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1512-4-0x0000000000400000-0x0000000002234000-memory.dmp

Filesize
30.2MB

Download
memory/1512-7-0x0000000000400000-0x0000000002234000-memory.dmp

Filesize
30.2MB

Download
memory/2604-15-0x0000000000400000-0x0000000002234000-memory.dmp

Filesize
30.2MB

Download
memory/2604-9-0x00000000023A0000-0x00000000024A0000-memory.dmp

Filesize
1024KB

Download
memory/2604-17-0x0000000000400000-0x0000000002234000-memory.dmp

Filesize
30.2MB

Download
memory/2612-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2612-10-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2612-13-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2612-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2612-19-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2612-20-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2612-21-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads