tofsee | 84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111

General

Target

JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe
Size

242KB
MD5

68060a28246b07b1497bf57d26c5647d
SHA1

ad53b34a8a9789ea784975778d192d70b81aa35a
SHA256

84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111
SHA512

a73529a2209373b88cd5dce6d22061bdbb28f419a93531f19222e7e5bdf496ee07adbdc76b7aea473370374f36fcfab1993d4114901e283618c5da139158b700
SSDEEP

6144:LGZQQCr8GU7oXgvogF7QfhuGDN1x5AV0mV9caD:iZL17oXgvwfh75T5+VV9c

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
8	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\rrqieiqk\ImagePath = "C:\\Windows\\SysWOW64\\rrqieiqk\\dpkhonnb.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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe

Deletes itself 1 IoCs

pid	Process
3688	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4572	dpkhonnb.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4572 set thread context of 3688	4572	dpkhonnb.exe	100

Launches sc.exe 3 IoCs

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

pid	Process
1288	sc.exe
2984	sc.exe
4352	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 opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2652	2272	WerFault.exe	82
2060	4572	WerFault.exe	93

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	JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.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	dpkhonnb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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	netsh.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2272 wrote to memory of 1964	2272	JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe	83
PID 2272 wrote to memory of 1964	2272	JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe	83
PID 2272 wrote to memory of 1964	2272	JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe	83
PID 2272 wrote to memory of 4416	2272	JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe	85
PID 2272 wrote to memory of 4416	2272	JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe	85
PID 2272 wrote to memory of 4416	2272	JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe	85
PID 2272 wrote to memory of 2984	2272	JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe	87
PID 2272 wrote to memory of 2984	2272	JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe	87
PID 2272 wrote to memory of 2984	2272	JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe	87
PID 2272 wrote to memory of 4352	2272	JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe	89
PID 2272 wrote to memory of 4352	2272	JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe	89
PID 2272 wrote to memory of 4352	2272	JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe	89
PID 2272 wrote to memory of 1288	2272	JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe	91
PID 2272 wrote to memory of 1288	2272	JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe	91
PID 2272 wrote to memory of 1288	2272	JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe	91
PID 2272 wrote to memory of 8	2272	JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe	94
PID 2272 wrote to memory of 8	2272	JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe	94
PID 2272 wrote to memory of 8	2272	JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe	94
PID 4572 wrote to memory of 3688	4572	dpkhonnb.exe	100
PID 4572 wrote to memory of 3688	4572	dpkhonnb.exe	100
PID 4572 wrote to memory of 3688	4572	dpkhonnb.exe	100
PID 4572 wrote to memory of 3688	4572	dpkhonnb.exe	100
PID 4572 wrote to memory of 3688	4572	dpkhonnb.exe	100

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2272
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\rrqieiqk\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1964
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\dpkhonnb.exe" C:\Windows\SysWOW64\rrqieiqk\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4416
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create rrqieiqk binPath= "C:\Windows\SysWOW64\rrqieiqk\dpkhonnb.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2984
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description rrqieiqk "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4352
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start rrqieiqk
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1288
- 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:8
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2272 -s 572
  2⤵
  - Program crash
  PID:2652

C:\Windows\SysWOW64\rrqieiqk\dpkhonnb.exe
C:\Windows\SysWOW64\rrqieiqk\dpkhonnb.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4572
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3688
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4572 -s 508
  2⤵
  - Program crash
  PID:2060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2272 -ip 2272
1⤵
PID:4988

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 4572 -ip 4572
1⤵
PID:344

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\dpkhonnb.exe

Filesize
12.5MB

MD5
424b8e0a0a9a0f83e8a145bbd8821cb3

SHA1
aa7c8988a0d71e77bd9470b798b567a315b83f26

SHA256
5bbca61fd78328970fe5b70082127a34d4bbacd6752c535af176b07d8916b38c

SHA512
44c391d839835543a91c29de0aa695489709d786df11b24f30f015f14b6ff4375af2cc50108f3efa03a965bd9691d0b4d301fc8005db04aaf5c377dd56971d97

Download Submit
memory/2272-8-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2272-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2272-2-0x0000000000560000-0x0000000000573000-memory.dmp

Filesize
76KB

Download
memory/2272-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2272-9-0x0000000000560000-0x0000000000573000-memory.dmp

Filesize
76KB

Download
memory/2272-1-0x0000000000740000-0x0000000000840000-memory.dmp

Filesize
1024KB

Download
memory/3688-14-0x0000000000CB0000-0x0000000000CC5000-memory.dmp

Filesize
84KB

Download
memory/3688-16-0x0000000000CB0000-0x0000000000CC5000-memory.dmp

Filesize
84KB

Download
memory/3688-17-0x0000000000CB0000-0x0000000000CC5000-memory.dmp

Filesize
84KB

Download
memory/4572-12-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/4572-11-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/4572-13-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/4572-18-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads