tofsee | 2d9b24d71fc9718cc923f30729423817aa1c3547b27ff086e0d173d132932c7d

General

Target

feddd618ad261223fa56a9a90c85b16d_JaffaCakes118.exe
Size

14.2MB
MD5

feddd618ad261223fa56a9a90c85b16d
SHA1

c52277afeab4974e09f04817d4312b19e62a7a4c
SHA256

2d9b24d71fc9718cc923f30729423817aa1c3547b27ff086e0d173d132932c7d
SHA512

af5071941f7508e01b6ef14a15bfdece43143af28d15f11d577cf0d544f67db626d9ddeff35f5dff2cbb194eec8e97debf670228c90c6807e50caca6eecda30c
SSDEEP

196608:CV8YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY3:

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.6

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\dljodznx = "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

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\dljodznx\ImagePath = "C:\\Windows\\SysWOW64\\dljodznx\\fczxjujx.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2536 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

fczxjujx.exe

pid process

2436 fczxjujx.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

fczxjujx.exe

description pid process target process

PID 2436 set thread context of 2536 2436 fczxjujx.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

2620 sc.exe
2792 sc.exe
2688 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2536	svchost.exe

pid	process
2436	fczxjujx.exe

description	pid	process	target process
PID 2436 set thread context of 2536	2436	fczxjujx.exe	svchost.exe

pid	process
2620	sc.exe
2792	sc.exe
2688	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

feddd618ad261223fa56a9a90c85b16d_JaffaCakes118.exefczxjujx.exe

description	pid	process	target process
PID 2220 wrote to memory of 2504	2220	feddd618ad261223fa56a9a90c85b16d_JaffaCakes118.exe	cmd.exe
PID 2220 wrote to memory of 2504	2220	feddd618ad261223fa56a9a90c85b16d_JaffaCakes118.exe	cmd.exe
PID 2220 wrote to memory of 2504	2220	feddd618ad261223fa56a9a90c85b16d_JaffaCakes118.exe	cmd.exe
PID 2220 wrote to memory of 2504	2220	feddd618ad261223fa56a9a90c85b16d_JaffaCakes118.exe	cmd.exe
PID 2220 wrote to memory of 2204	2220	feddd618ad261223fa56a9a90c85b16d_JaffaCakes118.exe	cmd.exe
PID 2220 wrote to memory of 2204	2220	feddd618ad261223fa56a9a90c85b16d_JaffaCakes118.exe	cmd.exe
PID 2220 wrote to memory of 2204	2220	feddd618ad261223fa56a9a90c85b16d_JaffaCakes118.exe	cmd.exe
PID 2220 wrote to memory of 2204	2220	feddd618ad261223fa56a9a90c85b16d_JaffaCakes118.exe	cmd.exe
PID 2220 wrote to memory of 2620	2220	feddd618ad261223fa56a9a90c85b16d_JaffaCakes118.exe	sc.exe
PID 2220 wrote to memory of 2620	2220	feddd618ad261223fa56a9a90c85b16d_JaffaCakes118.exe	sc.exe
PID 2220 wrote to memory of 2620	2220	feddd618ad261223fa56a9a90c85b16d_JaffaCakes118.exe	sc.exe
PID 2220 wrote to memory of 2620	2220	feddd618ad261223fa56a9a90c85b16d_JaffaCakes118.exe	sc.exe
PID 2220 wrote to memory of 2792	2220	feddd618ad261223fa56a9a90c85b16d_JaffaCakes118.exe	sc.exe
PID 2220 wrote to memory of 2792	2220	feddd618ad261223fa56a9a90c85b16d_JaffaCakes118.exe	sc.exe
PID 2220 wrote to memory of 2792	2220	feddd618ad261223fa56a9a90c85b16d_JaffaCakes118.exe	sc.exe
PID 2220 wrote to memory of 2792	2220	feddd618ad261223fa56a9a90c85b16d_JaffaCakes118.exe	sc.exe
PID 2220 wrote to memory of 2688	2220	feddd618ad261223fa56a9a90c85b16d_JaffaCakes118.exe	sc.exe
PID 2220 wrote to memory of 2688	2220	feddd618ad261223fa56a9a90c85b16d_JaffaCakes118.exe	sc.exe
PID 2220 wrote to memory of 2688	2220	feddd618ad261223fa56a9a90c85b16d_JaffaCakes118.exe	sc.exe
PID 2220 wrote to memory of 2688	2220	feddd618ad261223fa56a9a90c85b16d_JaffaCakes118.exe	sc.exe
PID 2220 wrote to memory of 2632	2220	feddd618ad261223fa56a9a90c85b16d_JaffaCakes118.exe	netsh.exe
PID 2220 wrote to memory of 2632	2220	feddd618ad261223fa56a9a90c85b16d_JaffaCakes118.exe	netsh.exe
PID 2220 wrote to memory of 2632	2220	feddd618ad261223fa56a9a90c85b16d_JaffaCakes118.exe	netsh.exe
PID 2220 wrote to memory of 2632	2220	feddd618ad261223fa56a9a90c85b16d_JaffaCakes118.exe	netsh.exe
PID 2436 wrote to memory of 2536	2436	fczxjujx.exe	svchost.exe
PID 2436 wrote to memory of 2536	2436	fczxjujx.exe	svchost.exe
PID 2436 wrote to memory of 2536	2436	fczxjujx.exe	svchost.exe
PID 2436 wrote to memory of 2536	2436	fczxjujx.exe	svchost.exe
PID 2436 wrote to memory of 2536	2436	fczxjujx.exe	svchost.exe
PID 2436 wrote to memory of 2536	2436	fczxjujx.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\feddd618ad261223fa56a9a90c85b16d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\feddd618ad261223fa56a9a90c85b16d_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2220

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\dljodznx\
2⤵
PID:2504

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\fczxjujx.exe" C:\Windows\SysWOW64\dljodznx\
2⤵
PID:2204

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create dljodznx binPath= "C:\Windows\SysWOW64\dljodznx\fczxjujx.exe /d\"C:\Users\Admin\AppData\Local\Temp\feddd618ad261223fa56a9a90c85b16d_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2620

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description dljodznx "wifi internet conection"
2⤵
- Launches sc.exe
PID:2792

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start dljodznx
2⤵
- Launches sc.exe
PID:2688

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\dljodznx\fczxjujx.exe
C:\Windows\SysWOW64\dljodznx\fczxjujx.exe /d"C:\Users\Admin\AppData\Local\Temp\feddd618ad261223fa56a9a90c85b16d_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2436

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2536

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\fczxjujx.exe
Filesize
13.1MB

MD5
801e8ed37372a133086ea05854db3e32

SHA1
2adffede9bde668c96fe3ce1592f6fb243015a0b

SHA256
7c95b728d152a36457b30fd8ee7322d29dccc55ea6e3fd2fdad610ec1e2e95ee

SHA512
dff5e4f51c844ec7b6d55458ed953b0eafdedb883c4ed0de085150331941a4b6920cd6ebd1678b9c0fb63a3f4af047ea404baa687a8575bb16b1a346814c524a

Download Submit
memory/2220-3-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download
memory/2220-1-0x00000000002F0000-0x00000000003F0000-memory.dmp

Filesize
1024KB

Download
memory/2220-4-0x0000000000400000-0x00000000008EA000-memory.dmp

Filesize
4.9MB

Download
memory/2220-7-0x0000000000400000-0x00000000008EA000-memory.dmp

Filesize
4.9MB

Download
memory/2436-11-0x0000000000400000-0x00000000008EA000-memory.dmp

Filesize
4.9MB

Download
memory/2436-10-0x0000000000960000-0x0000000000A60000-memory.dmp

Filesize
1024KB

Download
memory/2436-16-0x0000000000400000-0x00000000008EA000-memory.dmp

Filesize
4.9MB

Download
memory/2536-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2536-9-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2536-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2536-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2536-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2536-20-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2536-21-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads