tofsee | 229ed2d5a7975a4e8ed4d256b164708b0ba3f9051384c73e6a0061d810ddbb45

General

Target

f46546906c3dcd4743698822d7caa78b_JaffaCakes118.exe
Size

12.4MB
MD5

f46546906c3dcd4743698822d7caa78b
SHA1

db1a2370650583b6a8e4db11e7c9392ec57c1fd9
SHA256

229ed2d5a7975a4e8ed4d256b164708b0ba3f9051384c73e6a0061d810ddbb45
SHA512

73c1dd0a4496411a9b0696a9afcbbd266ef3cc84f4b8e601b40d75e2321fd6158ea3e5950af3a6ff98c81ba021139364d3e12ba3076d6b1654052322c8edc079
SSDEEP

12288:ABgw6aInPRfmCzFT+PUvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv:pw6tHRT+P

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

4960 netsh.exe

pid	process
4960	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\wgmniger\ImagePath = "C:\\Windows\\SysWOW64\\wgmniger\\ogpxuhtn.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:

f46546906c3dcd4743698822d7caa78b_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\Control Panel\International\Geo\Nation	f46546906c3dcd4743698822d7caa78b_JaffaCakes118.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

1240 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

ogpxuhtn.exe

pid process

4968 ogpxuhtn.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

ogpxuhtn.exe

description pid process target process

PID 4968 set thread context of 1240 4968 ogpxuhtn.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

2528 sc.exe
4288 sc.exe
5000 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

3324 2420 WerFault.exe f46546906c3dcd4743698822d7caa78b_JaffaCakes118.exe
3440 4968 WerFault.exe ogpxuhtn.exe

pid	process
1240	svchost.exe

pid	process
4968	ogpxuhtn.exe

description	pid	process	target process
PID 4968 set thread context of 1240	4968	ogpxuhtn.exe	svchost.exe

pid	process
2528	sc.exe
4288	sc.exe
5000	sc.exe

pid	pid_target	process	target process
3324	2420	WerFault.exe	f46546906c3dcd4743698822d7caa78b_JaffaCakes118.exe
3440	4968	WerFault.exe	ogpxuhtn.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

f46546906c3dcd4743698822d7caa78b_JaffaCakes118.exeogpxuhtn.exe

description	pid	process	target process
PID 2420 wrote to memory of 1436	2420	f46546906c3dcd4743698822d7caa78b_JaffaCakes118.exe	cmd.exe
PID 2420 wrote to memory of 1436	2420	f46546906c3dcd4743698822d7caa78b_JaffaCakes118.exe	cmd.exe
PID 2420 wrote to memory of 1436	2420	f46546906c3dcd4743698822d7caa78b_JaffaCakes118.exe	cmd.exe
PID 2420 wrote to memory of 4848	2420	f46546906c3dcd4743698822d7caa78b_JaffaCakes118.exe	cmd.exe
PID 2420 wrote to memory of 4848	2420	f46546906c3dcd4743698822d7caa78b_JaffaCakes118.exe	cmd.exe
PID 2420 wrote to memory of 4848	2420	f46546906c3dcd4743698822d7caa78b_JaffaCakes118.exe	cmd.exe
PID 2420 wrote to memory of 2528	2420	f46546906c3dcd4743698822d7caa78b_JaffaCakes118.exe	sc.exe
PID 2420 wrote to memory of 2528	2420	f46546906c3dcd4743698822d7caa78b_JaffaCakes118.exe	sc.exe
PID 2420 wrote to memory of 2528	2420	f46546906c3dcd4743698822d7caa78b_JaffaCakes118.exe	sc.exe
PID 2420 wrote to memory of 4288	2420	f46546906c3dcd4743698822d7caa78b_JaffaCakes118.exe	sc.exe
PID 2420 wrote to memory of 4288	2420	f46546906c3dcd4743698822d7caa78b_JaffaCakes118.exe	sc.exe
PID 2420 wrote to memory of 4288	2420	f46546906c3dcd4743698822d7caa78b_JaffaCakes118.exe	sc.exe
PID 2420 wrote to memory of 5000	2420	f46546906c3dcd4743698822d7caa78b_JaffaCakes118.exe	sc.exe
PID 2420 wrote to memory of 5000	2420	f46546906c3dcd4743698822d7caa78b_JaffaCakes118.exe	sc.exe
PID 2420 wrote to memory of 5000	2420	f46546906c3dcd4743698822d7caa78b_JaffaCakes118.exe	sc.exe
PID 2420 wrote to memory of 4960	2420	f46546906c3dcd4743698822d7caa78b_JaffaCakes118.exe	netsh.exe
PID 2420 wrote to memory of 4960	2420	f46546906c3dcd4743698822d7caa78b_JaffaCakes118.exe	netsh.exe
PID 2420 wrote to memory of 4960	2420	f46546906c3dcd4743698822d7caa78b_JaffaCakes118.exe	netsh.exe
PID 4968 wrote to memory of 1240	4968	ogpxuhtn.exe	svchost.exe
PID 4968 wrote to memory of 1240	4968	ogpxuhtn.exe	svchost.exe
PID 4968 wrote to memory of 1240	4968	ogpxuhtn.exe	svchost.exe
PID 4968 wrote to memory of 1240	4968	ogpxuhtn.exe	svchost.exe
PID 4968 wrote to memory of 1240	4968	ogpxuhtn.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\f46546906c3dcd4743698822d7caa78b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f46546906c3dcd4743698822d7caa78b_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2420

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\wgmniger\
2⤵
PID:1436

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ogpxuhtn.exe" C:\Windows\SysWOW64\wgmniger\
2⤵
PID:4848

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create wgmniger binPath= "C:\Windows\SysWOW64\wgmniger\ogpxuhtn.exe /d\"C:\Users\Admin\AppData\Local\Temp\f46546906c3dcd4743698822d7caa78b_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2528

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description wgmniger "wifi internet conection"
2⤵
- Launches sc.exe
PID:4288

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start wgmniger
2⤵
- Launches sc.exe
PID:5000

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:4960

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2420 -s 1044
2⤵
- Program crash
PID:3324

C:\Windows\SysWOW64\wgmniger\ogpxuhtn.exe
C:\Windows\SysWOW64\wgmniger\ogpxuhtn.exe /d"C:\Users\Admin\AppData\Local\Temp\f46546906c3dcd4743698822d7caa78b_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4968

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Sets service image path in registry
- Deletes itself
PID:1240

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4968 -s 508
2⤵
- Program crash
PID:3440

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2420 -ip 2420
1⤵
PID:5036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4968 -ip 4968
1⤵
PID:5100

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

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\ogpxuhtn.exe
Filesize
12.8MB

MD5
de0223df0a4a7aa203668be2b094eecb

SHA1
dd1a6099d713c558ed0b07be9c3156a72f117fc1

SHA256
a2a14f10bb27fc09773efe3c17ebb0d9e9b36a7fdab02edd7f36c1a5dfda46d7

SHA512
0bc47484579d41443b4d5bee13bfa878e3bf5ce950ee0f1b3d57acb38ade030462bdc7c357092fe782f540a33933e7e3ff60b82082915a618a360af1cb9a9c9d

Download Submit
memory/1240-15-0x0000000000440000-0x0000000000455000-memory.dmp

Filesize
84KB

Download
memory/1240-12-0x0000000000440000-0x0000000000455000-memory.dmp

Filesize
84KB

Download
memory/1240-17-0x0000000000440000-0x0000000000455000-memory.dmp

Filesize
84KB

Download
memory/1240-18-0x0000000000440000-0x0000000000455000-memory.dmp

Filesize
84KB

Download
memory/2420-4-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2420-2-0x00000000005F0000-0x0000000000603000-memory.dmp

Filesize
76KB

Download
memory/2420-8-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2420-9-0x00000000005F0000-0x0000000000603000-memory.dmp

Filesize
76KB

Download
memory/2420-1-0x0000000000700000-0x0000000000800000-memory.dmp

Filesize
1024KB

Download
memory/4968-10-0x0000000000470000-0x0000000000570000-memory.dmp

Filesize
1024KB

Download
memory/4968-11-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/4968-16-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads