tofsee | 2f05f2d8f91e7938437ff58cfa4aecae41d17e18d1abc37a2f70f24227b44230

General

Target

f869bf89806a1807f9f293f862ce247d_JaffaCakes118.exe
Size

13.7MB
MD5

f869bf89806a1807f9f293f862ce247d
SHA1

ad7e03dcfba00ae87b7ac0917ce4fb71692d6908
SHA256

2f05f2d8f91e7938437ff58cfa4aecae41d17e18d1abc37a2f70f24227b44230
SHA512

5b0b072562e5c2970714d9efefaf022b79f978bc5241e1d0d1b83e66759ec4a75f7fec1e200601caa7af9f0b9cb09951af62b44f788f9bac9ffeeb75275af566
SSDEEP

49152:wqwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwH:

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Signatures

Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan tofsee
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

5364 netsh.exe

pid	process
5364	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\zhkplwdw\ImagePath = "C:\\Windows\\SysWOW64\\zhkplwdw\\xgsyidzp.exe"	svchost.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

f869bf89806a1807f9f293f862ce247d_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	f869bf89806a1807f9f293f862ce247d_JaffaCakes118.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

5892 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

xgsyidzp.exe

pid process

2616 xgsyidzp.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

xgsyidzp.exe

description pid process target process

PID 2616 set thread context of 5892 2616 xgsyidzp.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

4252 sc.exe
5436 sc.exe
5756 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

4476 2260 WerFault.exe f869bf89806a1807f9f293f862ce247d_JaffaCakes118.exe
3592 2616 WerFault.exe xgsyidzp.exe

pid	process
5892	svchost.exe

pid	process
2616	xgsyidzp.exe

description	pid	process	target process
PID 2616 set thread context of 5892	2616	xgsyidzp.exe	svchost.exe

pid	process
4252	sc.exe
5436	sc.exe
5756	sc.exe

pid	pid_target	process	target process
4476	2260	WerFault.exe	f869bf89806a1807f9f293f862ce247d_JaffaCakes118.exe
3592	2616	WerFault.exe	xgsyidzp.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

f869bf89806a1807f9f293f862ce247d_JaffaCakes118.exexgsyidzp.exe

description	pid	process	target process
PID 2260 wrote to memory of 1952	2260	f869bf89806a1807f9f293f862ce247d_JaffaCakes118.exe	cmd.exe
PID 2260 wrote to memory of 1952	2260	f869bf89806a1807f9f293f862ce247d_JaffaCakes118.exe	cmd.exe
PID 2260 wrote to memory of 1952	2260	f869bf89806a1807f9f293f862ce247d_JaffaCakes118.exe	cmd.exe
PID 2260 wrote to memory of 3556	2260	f869bf89806a1807f9f293f862ce247d_JaffaCakes118.exe	cmd.exe
PID 2260 wrote to memory of 3556	2260	f869bf89806a1807f9f293f862ce247d_JaffaCakes118.exe	cmd.exe
PID 2260 wrote to memory of 3556	2260	f869bf89806a1807f9f293f862ce247d_JaffaCakes118.exe	cmd.exe
PID 2260 wrote to memory of 4252	2260	f869bf89806a1807f9f293f862ce247d_JaffaCakes118.exe	sc.exe
PID 2260 wrote to memory of 4252	2260	f869bf89806a1807f9f293f862ce247d_JaffaCakes118.exe	sc.exe
PID 2260 wrote to memory of 4252	2260	f869bf89806a1807f9f293f862ce247d_JaffaCakes118.exe	sc.exe
PID 2260 wrote to memory of 5436	2260	f869bf89806a1807f9f293f862ce247d_JaffaCakes118.exe	sc.exe
PID 2260 wrote to memory of 5436	2260	f869bf89806a1807f9f293f862ce247d_JaffaCakes118.exe	sc.exe
PID 2260 wrote to memory of 5436	2260	f869bf89806a1807f9f293f862ce247d_JaffaCakes118.exe	sc.exe
PID 2260 wrote to memory of 5756	2260	f869bf89806a1807f9f293f862ce247d_JaffaCakes118.exe	sc.exe
PID 2260 wrote to memory of 5756	2260	f869bf89806a1807f9f293f862ce247d_JaffaCakes118.exe	sc.exe
PID 2260 wrote to memory of 5756	2260	f869bf89806a1807f9f293f862ce247d_JaffaCakes118.exe	sc.exe
PID 2260 wrote to memory of 5364	2260	f869bf89806a1807f9f293f862ce247d_JaffaCakes118.exe	netsh.exe
PID 2260 wrote to memory of 5364	2260	f869bf89806a1807f9f293f862ce247d_JaffaCakes118.exe	netsh.exe
PID 2260 wrote to memory of 5364	2260	f869bf89806a1807f9f293f862ce247d_JaffaCakes118.exe	netsh.exe
PID 2616 wrote to memory of 5892	2616	xgsyidzp.exe	svchost.exe
PID 2616 wrote to memory of 5892	2616	xgsyidzp.exe	svchost.exe
PID 2616 wrote to memory of 5892	2616	xgsyidzp.exe	svchost.exe
PID 2616 wrote to memory of 5892	2616	xgsyidzp.exe	svchost.exe
PID 2616 wrote to memory of 5892	2616	xgsyidzp.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\f869bf89806a1807f9f293f862ce247d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f869bf89806a1807f9f293f862ce247d_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2260

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\zhkplwdw\
2⤵
PID:1952

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\xgsyidzp.exe" C:\Windows\SysWOW64\zhkplwdw\
2⤵
PID:3556

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create zhkplwdw binPath= "C:\Windows\SysWOW64\zhkplwdw\xgsyidzp.exe /d\"C:\Users\Admin\AppData\Local\Temp\f869bf89806a1807f9f293f862ce247d_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:4252

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description zhkplwdw "wifi internet conection"
2⤵
- Launches sc.exe
PID:5436

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start zhkplwdw
2⤵
- Launches sc.exe
PID:5756

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:5364

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2260 -s 1040
2⤵
- Program crash
PID:4476

C:\Windows\SysWOW64\zhkplwdw\xgsyidzp.exe
C:\Windows\SysWOW64\zhkplwdw\xgsyidzp.exe /d"C:\Users\Admin\AppData\Local\Temp\f869bf89806a1807f9f293f862ce247d_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2616

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Sets service image path in registry
- Deletes itself
PID:5892

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2616 -s 512
2⤵
- Program crash
PID:3592

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2260 -ip 2260
1⤵
PID:4532

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 2616 -ip 2616
1⤵
PID:5888

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1324 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:8
1⤵
PID:3752

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

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\xgsyidzp.exe
Filesize
5.8MB

MD5
e934af5c9e8d04a0941fad430fc0300f

SHA1
a9de4d1a8ea9d0c8290323fe08eeebcdf9a1daf9

SHA256
73faafbc0b6c6bfdcdb565aef6beed65be9dce876a66e5b7699c71f58fa95140

SHA512
d9a59968d605c56fe4b014ea7e6ba3002b29b0b70b465d44a8f151a423dbc8ad47aeccfba6ebf8a4998acb3b7e52e6728f53093200aea0ce5c1b64487c71e6e6

Download Submit
memory/2260-10-0x0000000002E60000-0x0000000002E73000-memory.dmp

Filesize
76KB

Download
memory/2260-2-0x0000000002E60000-0x0000000002E73000-memory.dmp

Filesize
76KB

Download
memory/2260-6-0x0000000000400000-0x0000000002CC0000-memory.dmp

Filesize
40.8MB

Download
memory/2260-9-0x0000000000400000-0x0000000002CC0000-memory.dmp

Filesize
40.8MB

Download
memory/2260-1-0x0000000002ED0000-0x0000000002FD0000-memory.dmp

Filesize
1024KB

Download
memory/2260-4-0x0000000000400000-0x0000000002CC0000-memory.dmp

Filesize
40.8MB

Download
memory/2616-17-0x0000000000400000-0x0000000002CC0000-memory.dmp

Filesize
40.8MB

Download
memory/2616-11-0x0000000003000000-0x0000000003100000-memory.dmp

Filesize
1024KB

Download
memory/2616-16-0x0000000000400000-0x0000000002CC0000-memory.dmp

Filesize
40.8MB

Download
memory/5892-12-0x00000000005A0000-0x00000000005B5000-memory.dmp

Filesize
84KB

Download
memory/5892-18-0x00000000005A0000-0x00000000005B5000-memory.dmp

Filesize
84KB

Download
memory/5892-15-0x00000000005A0000-0x00000000005B5000-memory.dmp

Filesize
84KB

Download
memory/5892-19-0x00000000005A0000-0x00000000005B5000-memory.dmp

Filesize
84KB

Download
memory/5892-20-0x00000000005A0000-0x00000000005B5000-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