tofsee | 380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a

General

Target

JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe
Size

283KB
MD5

d939f59a5bcb8560eb5d132ae3e6ea7a
SHA1

82e3e9b15f64bbd80d22205f352c6595476146e5
SHA256

380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a
SHA512

6d77b9fc38e18c67226b9eed69b61de3b951787146dfd50099829f4104bb933d3ca4d73708781df8de70641e127c85fe1743cabd22ad5492f7705f2e30a21de4
SSDEEP

3072:jfjgrBX7od3gqQXyYbzbZ5Vrnpxq6LF0o3/ycyo3YsKmMgPmovv8Nbd/iKg4wQ3S:DkrBARQbbZ3Dpx/LDR2mjPMhis3JjY

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation 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
Tofsee family
tofsee
Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2976	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\izxpcoee\ImagePath = "C:\\Windows\\SysWOW64\\izxpcoee\\dgeztaku.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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe

Deletes itself 1 IoCs

pid	Process
1216	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1976	dgeztaku.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1976 set thread context of 1216	1976	dgeztaku.exe	98

Launches sc.exe 3 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
3012	sc.exe
2448	sc.exe
2064	sc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2556	4596	WerFault.exe	81
3064	1976	WerFault.exe	92

System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dgeztaku.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4596 wrote to memory of 2168	4596	JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe	82
PID 4596 wrote to memory of 2168	4596	JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe	82
PID 4596 wrote to memory of 2168	4596	JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe	82
PID 4596 wrote to memory of 4360	4596	JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe	84
PID 4596 wrote to memory of 4360	4596	JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe	84
PID 4596 wrote to memory of 4360	4596	JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe	84
PID 4596 wrote to memory of 3012	4596	JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe	86
PID 4596 wrote to memory of 3012	4596	JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe	86
PID 4596 wrote to memory of 3012	4596	JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe	86
PID 4596 wrote to memory of 2448	4596	JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe	88
PID 4596 wrote to memory of 2448	4596	JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe	88
PID 4596 wrote to memory of 2448	4596	JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe	88
PID 4596 wrote to memory of 2064	4596	JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe	90
PID 4596 wrote to memory of 2064	4596	JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe	90
PID 4596 wrote to memory of 2064	4596	JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe	90
PID 4596 wrote to memory of 2976	4596	JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe	93
PID 4596 wrote to memory of 2976	4596	JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe	93
PID 4596 wrote to memory of 2976	4596	JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe	93
PID 1976 wrote to memory of 1216	1976	dgeztaku.exe	98
PID 1976 wrote to memory of 1216	1976	dgeztaku.exe	98
PID 1976 wrote to memory of 1216	1976	dgeztaku.exe	98
PID 1976 wrote to memory of 1216	1976	dgeztaku.exe	98
PID 1976 wrote to memory of 1216	1976	dgeztaku.exe	98

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4596
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\izxpcoee\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2168
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\dgeztaku.exe" C:\Windows\SysWOW64\izxpcoee\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4360
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create izxpcoee binPath= "C:\Windows\SysWOW64\izxpcoee\dgeztaku.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3012
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description izxpcoee "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2448
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start izxpcoee
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2064
- 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
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:2976
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4596 -s 1216
  2⤵
  - Program crash
  PID:2556

C:\Windows\SysWOW64\izxpcoee\dgeztaku.exe
C:\Windows\SysWOW64\izxpcoee\dgeztaku.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_380ccc988d649c1a53cb74a3f61ad835bf852f4bee51b6d325281291a5f0313a.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1216
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1976 -s 524
  2⤵
  - Program crash
  PID:3064

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4596 -ip 4596
1⤵
PID:1252

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1976 -ip 1976
1⤵
PID:3628

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

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

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

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

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\dgeztaku.exe

Filesize
10.8MB

MD5
3cfee19f16e3c582cac703259377572a

SHA1
6cbb1720a2300bc66dabc83e8f732944bd902d45

SHA256
67c29eff4994bb3f8028bfb7f1b6a3947f695cf783a176d1bf2d42248ab015d4

SHA512
9d5eae059d8bd678983a64bfde4db3a78cf1c1a3a254202fe003f259009646ae5526bcd1b44bebd6828a8f1e6f75fc02c66433cd340baca49113fb5ae2ba4ea0

Download Submit
memory/1216-9-0x0000000000D90000-0x0000000000DA5000-memory.dmp

Filesize
84KB

Download
memory/1216-14-0x0000000000D90000-0x0000000000DA5000-memory.dmp

Filesize
84KB

Download
memory/1216-15-0x0000000000D90000-0x0000000000DA5000-memory.dmp

Filesize
84KB

Download
memory/1976-13-0x0000000000400000-0x0000000002B8F000-memory.dmp

Filesize
39.6MB

Download
memory/4596-1-0x0000000002E00000-0x0000000002F00000-memory.dmp

Filesize
1024KB

Download
memory/4596-2-0x0000000002CA0000-0x0000000002CB3000-memory.dmp

Filesize
76KB

Download
memory/4596-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4596-12-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4596-11-0x0000000002CA0000-0x0000000002CB3000-memory.dmp

Filesize
76KB

Download
memory/4596-8-0x0000000000400000-0x0000000002B8F000-memory.dmp

Filesize
39.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads