tofsee | ad93fa58692bf500dc7f4a54513d87f0cceeaf9a955bc3d366abd2e2bbcaeedb

General

Target

fb53a3645626f491923c495997330c8d_JaffaCakes118.exe
Size

14.8MB
MD5

fb53a3645626f491923c495997330c8d
SHA1

da6c44e90b85ea788c4076b7ed67d1b02213ccfe
SHA256

ad93fa58692bf500dc7f4a54513d87f0cceeaf9a955bc3d366abd2e2bbcaeedb
SHA512

311e78a1740839ff21a31f1082d881ce31157c11767b901bef6232b9afd34e7fe18d93badf8f54d65ef4ec1d64dcfdf7ec6cc9f1ee25429fe9c51342b0926a37
SSDEEP

24576:PjCj10HSqGgeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee+:P/D

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

1900 netsh.exe

pid	process
1900	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\aoeqgzqz\ImagePath = "C:\\Windows\\SysWOW64\\aoeqgzqz\\oxnbcqfl.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:

fb53a3645626f491923c495997330c8d_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	fb53a3645626f491923c495997330c8d_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

oxnbcqfl.exe

pid process

468 oxnbcqfl.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

oxnbcqfl.exe

description pid process target process

PID 468 set thread context of 1372 468 oxnbcqfl.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

1100 sc.exe
708 sc.exe
4988 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
468	oxnbcqfl.exe

description	pid	process	target process
PID 468 set thread context of 1372	468	oxnbcqfl.exe	svchost.exe

pid	process
1100	sc.exe
708	sc.exe
4988	sc.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

fb53a3645626f491923c495997330c8d_JaffaCakes118.exeoxnbcqfl.exe

description	pid	process	target process
PID 3800 wrote to memory of 4444	3800	fb53a3645626f491923c495997330c8d_JaffaCakes118.exe	cmd.exe
PID 3800 wrote to memory of 4444	3800	fb53a3645626f491923c495997330c8d_JaffaCakes118.exe	cmd.exe
PID 3800 wrote to memory of 4444	3800	fb53a3645626f491923c495997330c8d_JaffaCakes118.exe	cmd.exe
PID 3800 wrote to memory of 4016	3800	fb53a3645626f491923c495997330c8d_JaffaCakes118.exe	cmd.exe
PID 3800 wrote to memory of 4016	3800	fb53a3645626f491923c495997330c8d_JaffaCakes118.exe	cmd.exe
PID 3800 wrote to memory of 4016	3800	fb53a3645626f491923c495997330c8d_JaffaCakes118.exe	cmd.exe
PID 3800 wrote to memory of 1100	3800	fb53a3645626f491923c495997330c8d_JaffaCakes118.exe	sc.exe
PID 3800 wrote to memory of 1100	3800	fb53a3645626f491923c495997330c8d_JaffaCakes118.exe	sc.exe
PID 3800 wrote to memory of 1100	3800	fb53a3645626f491923c495997330c8d_JaffaCakes118.exe	sc.exe
PID 3800 wrote to memory of 708	3800	fb53a3645626f491923c495997330c8d_JaffaCakes118.exe	sc.exe
PID 3800 wrote to memory of 708	3800	fb53a3645626f491923c495997330c8d_JaffaCakes118.exe	sc.exe
PID 3800 wrote to memory of 708	3800	fb53a3645626f491923c495997330c8d_JaffaCakes118.exe	sc.exe
PID 3800 wrote to memory of 4988	3800	fb53a3645626f491923c495997330c8d_JaffaCakes118.exe	sc.exe
PID 3800 wrote to memory of 4988	3800	fb53a3645626f491923c495997330c8d_JaffaCakes118.exe	sc.exe
PID 3800 wrote to memory of 4988	3800	fb53a3645626f491923c495997330c8d_JaffaCakes118.exe	sc.exe
PID 3800 wrote to memory of 1900	3800	fb53a3645626f491923c495997330c8d_JaffaCakes118.exe	netsh.exe
PID 3800 wrote to memory of 1900	3800	fb53a3645626f491923c495997330c8d_JaffaCakes118.exe	netsh.exe
PID 3800 wrote to memory of 1900	3800	fb53a3645626f491923c495997330c8d_JaffaCakes118.exe	netsh.exe
PID 468 wrote to memory of 1372	468	oxnbcqfl.exe	svchost.exe
PID 468 wrote to memory of 1372	468	oxnbcqfl.exe	svchost.exe
PID 468 wrote to memory of 1372	468	oxnbcqfl.exe	svchost.exe
PID 468 wrote to memory of 1372	468	oxnbcqfl.exe	svchost.exe
PID 468 wrote to memory of 1372	468	oxnbcqfl.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\fb53a3645626f491923c495997330c8d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fb53a3645626f491923c495997330c8d_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3800

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\aoeqgzqz\
2⤵
PID:4444

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\oxnbcqfl.exe" C:\Windows\SysWOW64\aoeqgzqz\
2⤵
PID:4016

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create aoeqgzqz binPath= "C:\Windows\SysWOW64\aoeqgzqz\oxnbcqfl.exe /d\"C:\Users\Admin\AppData\Local\Temp\fb53a3645626f491923c495997330c8d_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:1100

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description aoeqgzqz "wifi internet conection"
2⤵
- Launches sc.exe
PID:708

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start aoeqgzqz
2⤵
- Launches sc.exe
PID:4988

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:1900

C:\Windows\SysWOW64\aoeqgzqz\oxnbcqfl.exe
C:\Windows\SysWOW64\aoeqgzqz\oxnbcqfl.exe /d"C:\Users\Admin\AppData\Local\Temp\fb53a3645626f491923c495997330c8d_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:468

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Sets service image path in registry
PID:1372

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=4076 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:8
1⤵
PID:4196

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\oxnbcqfl.exe

Filesize
13.7MB

MD5
606335d96f346cdbde96472aecaf4f61

SHA1
65b0c6867ef24b431673c10ea5e0c0f5ee2771d2

SHA256
d41439ee16bcb6955bbf7e46d64e2872e921913c853af6d96f2c2cc2bc0b8b67

SHA512
5900dadce96207ba4523459ebadda7eb4ae7c57915d0bc83d3a8d5d73edd8939d499bbaa343186c4dcacf6a3307b8790046f597e8977be2e0f6a2beadb06f803

Download Submit
memory/468-13-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/468-14-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/468-19-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/1372-18-0x00000000010C0000-0x00000000010D5000-memory.dmp

Filesize
84KB

Download
memory/1372-15-0x00000000010C0000-0x00000000010D5000-memory.dmp

Filesize
84KB

Download
memory/1372-20-0x00000000010C0000-0x00000000010D5000-memory.dmp

Filesize
84KB

Download
memory/1372-21-0x00000000010C0000-0x00000000010D5000-memory.dmp

Filesize
84KB

Download
memory/1372-29-0x00000000010C0000-0x00000000010D5000-memory.dmp

Filesize
84KB

Download
memory/3800-10-0x0000000000600000-0x0000000000700000-memory.dmp

Filesize
1024KB

Download
memory/3800-11-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/3800-3-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/3800-2-0x00000000021B0000-0x00000000021C3000-memory.dmp

Filesize
76KB

Download
memory/3800-12-0x00000000021B0000-0x00000000021C3000-memory.dmp

Filesize
76KB

Download
memory/3800-1-0x0000000000600000-0x0000000000700000-memory.dmp

Filesize
1024KB

Download
memory/3800-5-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads