tofsee | a6bffcb4a9a7eb5cab0789e497350262ba9ced233acb1ca2d598f756e7e47289

General

Target

fef1dddddde5a01cd2ed74e6c031bd23_JaffaCakes118.exe
Size

332KB
MD5

fef1dddddde5a01cd2ed74e6c031bd23
SHA1

38a3ed6a45566821ffdb0e13558d0869f4fec077
SHA256

a6bffcb4a9a7eb5cab0789e497350262ba9ced233acb1ca2d598f756e7e47289
SHA512

0711a792ff2824e0e244d7dcf16dc92cf97d34d0c9a56f62f00fbe9e670a11923f7e7c822bdb5a6e73159bd8459a2a115d84140c606acd1e706bd931621db905
SSDEEP

6144:qutIFH/0RO0uydH3+BmV4gOj/Tz707JLEB8yA1muSE9jl+:qutIFfqVdH3+BmOBj/n70Fm8HmPi+

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.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\cukpokms = "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

2576 netsh.exe

pid	process
2576	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\cukpokms\ImagePath = "C:\\Windows\\SysWOW64\\cukpokms\\ajsaogox.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2596 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

ajsaogox.exe

pid process

2592 ajsaogox.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

ajsaogox.exe

description pid process target process

PID 2592 set thread context of 2596 2592 ajsaogox.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

2416 sc.exe
2244 sc.exe
2652 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2596	svchost.exe

pid	process
2592	ajsaogox.exe

description	pid	process	target process
PID 2592 set thread context of 2596	2592	ajsaogox.exe	svchost.exe

pid	process
2416	sc.exe
2244	sc.exe
2652	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

fef1dddddde5a01cd2ed74e6c031bd23_JaffaCakes118.exeajsaogox.exe

description	pid	process	target process
PID 2912 wrote to memory of 1792	2912	fef1dddddde5a01cd2ed74e6c031bd23_JaffaCakes118.exe	cmd.exe
PID 2912 wrote to memory of 1792	2912	fef1dddddde5a01cd2ed74e6c031bd23_JaffaCakes118.exe	cmd.exe
PID 2912 wrote to memory of 1792	2912	fef1dddddde5a01cd2ed74e6c031bd23_JaffaCakes118.exe	cmd.exe
PID 2912 wrote to memory of 1792	2912	fef1dddddde5a01cd2ed74e6c031bd23_JaffaCakes118.exe	cmd.exe
PID 2912 wrote to memory of 3056	2912	fef1dddddde5a01cd2ed74e6c031bd23_JaffaCakes118.exe	cmd.exe
PID 2912 wrote to memory of 3056	2912	fef1dddddde5a01cd2ed74e6c031bd23_JaffaCakes118.exe	cmd.exe
PID 2912 wrote to memory of 3056	2912	fef1dddddde5a01cd2ed74e6c031bd23_JaffaCakes118.exe	cmd.exe
PID 2912 wrote to memory of 3056	2912	fef1dddddde5a01cd2ed74e6c031bd23_JaffaCakes118.exe	cmd.exe
PID 2912 wrote to memory of 2416	2912	fef1dddddde5a01cd2ed74e6c031bd23_JaffaCakes118.exe	sc.exe
PID 2912 wrote to memory of 2416	2912	fef1dddddde5a01cd2ed74e6c031bd23_JaffaCakes118.exe	sc.exe
PID 2912 wrote to memory of 2416	2912	fef1dddddde5a01cd2ed74e6c031bd23_JaffaCakes118.exe	sc.exe
PID 2912 wrote to memory of 2416	2912	fef1dddddde5a01cd2ed74e6c031bd23_JaffaCakes118.exe	sc.exe
PID 2912 wrote to memory of 2244	2912	fef1dddddde5a01cd2ed74e6c031bd23_JaffaCakes118.exe	sc.exe
PID 2912 wrote to memory of 2244	2912	fef1dddddde5a01cd2ed74e6c031bd23_JaffaCakes118.exe	sc.exe
PID 2912 wrote to memory of 2244	2912	fef1dddddde5a01cd2ed74e6c031bd23_JaffaCakes118.exe	sc.exe
PID 2912 wrote to memory of 2244	2912	fef1dddddde5a01cd2ed74e6c031bd23_JaffaCakes118.exe	sc.exe
PID 2912 wrote to memory of 2652	2912	fef1dddddde5a01cd2ed74e6c031bd23_JaffaCakes118.exe	sc.exe
PID 2912 wrote to memory of 2652	2912	fef1dddddde5a01cd2ed74e6c031bd23_JaffaCakes118.exe	sc.exe
PID 2912 wrote to memory of 2652	2912	fef1dddddde5a01cd2ed74e6c031bd23_JaffaCakes118.exe	sc.exe
PID 2912 wrote to memory of 2652	2912	fef1dddddde5a01cd2ed74e6c031bd23_JaffaCakes118.exe	sc.exe
PID 2912 wrote to memory of 2576	2912	fef1dddddde5a01cd2ed74e6c031bd23_JaffaCakes118.exe	netsh.exe
PID 2912 wrote to memory of 2576	2912	fef1dddddde5a01cd2ed74e6c031bd23_JaffaCakes118.exe	netsh.exe
PID 2912 wrote to memory of 2576	2912	fef1dddddde5a01cd2ed74e6c031bd23_JaffaCakes118.exe	netsh.exe
PID 2912 wrote to memory of 2576	2912	fef1dddddde5a01cd2ed74e6c031bd23_JaffaCakes118.exe	netsh.exe
PID 2592 wrote to memory of 2596	2592	ajsaogox.exe	svchost.exe
PID 2592 wrote to memory of 2596	2592	ajsaogox.exe	svchost.exe
PID 2592 wrote to memory of 2596	2592	ajsaogox.exe	svchost.exe
PID 2592 wrote to memory of 2596	2592	ajsaogox.exe	svchost.exe
PID 2592 wrote to memory of 2596	2592	ajsaogox.exe	svchost.exe
PID 2592 wrote to memory of 2596	2592	ajsaogox.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\fef1dddddde5a01cd2ed74e6c031bd23_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fef1dddddde5a01cd2ed74e6c031bd23_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2912

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\cukpokms\
2⤵
PID:1792

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ajsaogox.exe" C:\Windows\SysWOW64\cukpokms\
2⤵
PID:3056

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create cukpokms binPath= "C:\Windows\SysWOW64\cukpokms\ajsaogox.exe /d\"C:\Users\Admin\AppData\Local\Temp\fef1dddddde5a01cd2ed74e6c031bd23_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2416

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description cukpokms "wifi internet conection"
2⤵
- Launches sc.exe
PID:2244

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start cukpokms
2⤵
- Launches sc.exe
PID:2652

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:2576

C:\Windows\SysWOW64\cukpokms\ajsaogox.exe
C:\Windows\SysWOW64\cukpokms\ajsaogox.exe /d"C:\Users\Admin\AppData\Local\Temp\fef1dddddde5a01cd2ed74e6c031bd23_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2592

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2596

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\ajsaogox.exe

Filesize
10.3MB

MD5
e8fd69ac455805c9ffb9acd0fde6b9bb

SHA1
a7996badad42f3fbc16d92ac7282be76959a2e7e

SHA256
981e174c4fa0fdd42c79839ab81bf728d84104afd92e18e326b1535318b13cb0

SHA512
cee0f65319df094dce07dea78da4367f7f394aba16db5f10918a4755771a3381bd084a8bdb9a5119f703bfa164d4f62bd7dc0f9aef845e34119b5299e2693739

Download Submit
memory/2592-12-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/2592-9-0x0000000000840000-0x0000000000940000-memory.dmp

Filesize
1024KB

Download
memory/2592-16-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/2596-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2596-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2596-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2596-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2596-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2596-20-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2596-21-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2912-8-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/2912-3-0x00000000003B0000-0x00000000003C3000-memory.dmp

Filesize
76KB

Download
memory/2912-4-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/2912-1-0x0000000000BF0000-0x0000000000CF0000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads