tofsee | 5f999ebf50703e544ffae3c27d30df4441a54f12360e7482135c02f58b95f724

General

Target

e4e980a178180b5aa5f096c10e9f5557_JaffaCakes118.exe
Size

142KB
MD5

e4e980a178180b5aa5f096c10e9f5557
SHA1

f55b0a91c0cc81e61d6f23b8695ce4fa917f04d6
SHA256

5f999ebf50703e544ffae3c27d30df4441a54f12360e7482135c02f58b95f724
SHA512

5f762ee974d14b69deb25266835644a20862f2da14f64bde6885ff27e1250b840d6cf44f3f3b36742b1502692f879382ccc59c8cab08d56b299cd8c71a3f6109
SSDEEP

3072:4O8/FLfgt6rzTkYfiL2+jKfgi4m5nuGFU6W6WN06b3U:s9fzwFLnKP46uC

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Signatures

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

Processes:

netsh.exe

pid	Process
2052	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\hcptjorv\ImagePath = "C:\\Windows\\SysWOW64\\hcptjorv\\qlprudco.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:

e4e980a178180b5aa5f096c10e9f5557_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	e4e980a178180b5aa5f096c10e9f5557_JaffaCakes118.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid	Process
1288	svchost.exe

Executes dropped EXE 1 IoCs

Processes:

qlprudco.exe

pid	Process
412	qlprudco.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

qlprudco.exe

description	pid	Process	procid_target
PID 412 set thread context of 1288	412	qlprudco.exe	104

Launches sc.exe 3 IoCs

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

Processes:

sc.exesc.exesc.exe

pid	Process
3840	sc.exe
1564	sc.exe
3644	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

Processes:

netsh.exe

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

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

Processes:

sc.exesc.exeqlprudco.exesvchost.exee4e980a178180b5aa5f096c10e9f5557_JaffaCakes118.execmd.execmd.exesc.exenetsh.exe

description	ioc	Process
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	qlprudco.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e4e980a178180b5aa5f096c10e9f5557_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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	netsh.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

e4e980a178180b5aa5f096c10e9f5557_JaffaCakes118.exeqlprudco.exe

description	pid	Process	procid_target
PID 2912 wrote to memory of 3244	2912	e4e980a178180b5aa5f096c10e9f5557_JaffaCakes118.exe	89
PID 2912 wrote to memory of 3244	2912	e4e980a178180b5aa5f096c10e9f5557_JaffaCakes118.exe	89
PID 2912 wrote to memory of 3244	2912	e4e980a178180b5aa5f096c10e9f5557_JaffaCakes118.exe	89
PID 2912 wrote to memory of 4632	2912	e4e980a178180b5aa5f096c10e9f5557_JaffaCakes118.exe	91
PID 2912 wrote to memory of 4632	2912	e4e980a178180b5aa5f096c10e9f5557_JaffaCakes118.exe	91
PID 2912 wrote to memory of 4632	2912	e4e980a178180b5aa5f096c10e9f5557_JaffaCakes118.exe	91
PID 2912 wrote to memory of 1564	2912	e4e980a178180b5aa5f096c10e9f5557_JaffaCakes118.exe	93
PID 2912 wrote to memory of 1564	2912	e4e980a178180b5aa5f096c10e9f5557_JaffaCakes118.exe	93
PID 2912 wrote to memory of 1564	2912	e4e980a178180b5aa5f096c10e9f5557_JaffaCakes118.exe	93
PID 2912 wrote to memory of 3644	2912	e4e980a178180b5aa5f096c10e9f5557_JaffaCakes118.exe	95
PID 2912 wrote to memory of 3644	2912	e4e980a178180b5aa5f096c10e9f5557_JaffaCakes118.exe	95
PID 2912 wrote to memory of 3644	2912	e4e980a178180b5aa5f096c10e9f5557_JaffaCakes118.exe	95
PID 2912 wrote to memory of 3840	2912	e4e980a178180b5aa5f096c10e9f5557_JaffaCakes118.exe	97
PID 2912 wrote to memory of 3840	2912	e4e980a178180b5aa5f096c10e9f5557_JaffaCakes118.exe	97
PID 2912 wrote to memory of 3840	2912	e4e980a178180b5aa5f096c10e9f5557_JaffaCakes118.exe	97
PID 2912 wrote to memory of 2052	2912	e4e980a178180b5aa5f096c10e9f5557_JaffaCakes118.exe	100
PID 2912 wrote to memory of 2052	2912	e4e980a178180b5aa5f096c10e9f5557_JaffaCakes118.exe	100
PID 2912 wrote to memory of 2052	2912	e4e980a178180b5aa5f096c10e9f5557_JaffaCakes118.exe	100
PID 412 wrote to memory of 1288	412	qlprudco.exe	104
PID 412 wrote to memory of 1288	412	qlprudco.exe	104
PID 412 wrote to memory of 1288	412	qlprudco.exe	104
PID 412 wrote to memory of 1288	412	qlprudco.exe	104
PID 412 wrote to memory of 1288	412	qlprudco.exe	104

C:\Users\Admin\AppData\Local\Temp\e4e980a178180b5aa5f096c10e9f5557_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e4e980a178180b5aa5f096c10e9f5557_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2912
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hcptjorv\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3244
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qlprudco.exe" C:\Windows\SysWOW64\hcptjorv\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4632
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create hcptjorv binPath= "C:\Windows\SysWOW64\hcptjorv\qlprudco.exe /d\"C:\Users\Admin\AppData\Local\Temp\e4e980a178180b5aa5f096c10e9f5557_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1564
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description hcptjorv "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3644
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start hcptjorv
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3840
- 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:2052

C:\Windows\SysWOW64\hcptjorv\qlprudco.exe
C:\Windows\SysWOW64\hcptjorv\qlprudco.exe /d"C:\Users\Admin\AppData\Local\Temp\e4e980a178180b5aa5f096c10e9f5557_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:412
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1288

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 --field-trial-handle=4304,i,12198811467968044966,17227406646827438786,262144 --variations-seed-version --mojo-platform-channel-handle=4140 /prefetch:8
1⤵
PID:4388

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\qlprudco.exe

Filesize
12.6MB

MD5
dff76db39df3bfa013f00b51e64b4c36

SHA1
7aeb1c1439866512a29850a512b36fff27b36d9a

SHA256
2780aa03463e5ffa45203b9c8ef38ae4f5620c1400d13bcd77fee2032eabe6fb

SHA512
789f984bac967f39bb7047b27d0215ff021740540893bbc443aa6b7e62cb1c117376f1eac6b681272f4b35ac952435129876e54fe82652c0fcc9b4abbae4360a

Download Submit
memory/412-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/412-10-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1288-8-0x00000000012E0000-0x00000000012F5000-memory.dmp

Filesize
84KB

Download
memory/1288-11-0x00000000012E0000-0x00000000012F5000-memory.dmp

Filesize
84KB

Download
memory/1288-12-0x00000000012E0000-0x00000000012F5000-memory.dmp

Filesize
84KB

Download
memory/2912-0-0x00000000005D0000-0x00000000005D1000-memory.dmp

Filesize
4KB

Download
memory/2912-1-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/2912-2-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2912-6-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads