tofsee | f5cacd43d8f012962d75c7ea38589b8e974b600c56c0147fd707c7c62ea1c83c

General

Target

a0ebdd573ca846bcbe46bba6e5a91355_JaffaCakes118.exe
Size

142KB
MD5

a0ebdd573ca846bcbe46bba6e5a91355
SHA1

640025385f416ea3e0bbce37eb6fb45b6360ba14
SHA256

f5cacd43d8f012962d75c7ea38589b8e974b600c56c0147fd707c7c62ea1c83c
SHA512

acecbe7743475d1260331d6185e79381621a2735618a35195b9b8dc8ff165e019258dd013b1a0f0488f2ee1843c96a2e2c12858a238704398ef27b9ee537036f
SSDEEP

3072:0O8/FLfgf6rzTkYfiL2+jKfgi4m5nuGFU6W6WNE6b3U:g9dzwFLnKP46uC

Score

10^/10

tofsee evasion execution persistence 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

2312 netsh.exe

pid	process
2312	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\aspfgvaz\ImagePath = "C:\\Windows\\SysWOW64\\aspfgvaz\\zyiztrgs.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2528 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

zyiztrgs.exe

pid process

3024 zyiztrgs.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

zyiztrgs.exe

description pid process target process

PID 3024 set thread context of 2528 3024 zyiztrgs.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

2724 sc.exe
2608 sc.exe
2604 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2528	svchost.exe

pid	process
3024	zyiztrgs.exe

description	pid	process	target process
PID 3024 set thread context of 2528	3024	zyiztrgs.exe	svchost.exe

pid	process
2724	sc.exe
2608	sc.exe
2604	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

a0ebdd573ca846bcbe46bba6e5a91355_JaffaCakes118.exezyiztrgs.exe

description	pid	process	target process
PID 2176 wrote to memory of 1780	2176	a0ebdd573ca846bcbe46bba6e5a91355_JaffaCakes118.exe	cmd.exe
PID 2176 wrote to memory of 1780	2176	a0ebdd573ca846bcbe46bba6e5a91355_JaffaCakes118.exe	cmd.exe
PID 2176 wrote to memory of 1780	2176	a0ebdd573ca846bcbe46bba6e5a91355_JaffaCakes118.exe	cmd.exe
PID 2176 wrote to memory of 1780	2176	a0ebdd573ca846bcbe46bba6e5a91355_JaffaCakes118.exe	cmd.exe
PID 2176 wrote to memory of 2112	2176	a0ebdd573ca846bcbe46bba6e5a91355_JaffaCakes118.exe	cmd.exe
PID 2176 wrote to memory of 2112	2176	a0ebdd573ca846bcbe46bba6e5a91355_JaffaCakes118.exe	cmd.exe
PID 2176 wrote to memory of 2112	2176	a0ebdd573ca846bcbe46bba6e5a91355_JaffaCakes118.exe	cmd.exe
PID 2176 wrote to memory of 2112	2176	a0ebdd573ca846bcbe46bba6e5a91355_JaffaCakes118.exe	cmd.exe
PID 2176 wrote to memory of 2724	2176	a0ebdd573ca846bcbe46bba6e5a91355_JaffaCakes118.exe	sc.exe
PID 2176 wrote to memory of 2724	2176	a0ebdd573ca846bcbe46bba6e5a91355_JaffaCakes118.exe	sc.exe
PID 2176 wrote to memory of 2724	2176	a0ebdd573ca846bcbe46bba6e5a91355_JaffaCakes118.exe	sc.exe
PID 2176 wrote to memory of 2724	2176	a0ebdd573ca846bcbe46bba6e5a91355_JaffaCakes118.exe	sc.exe
PID 2176 wrote to memory of 2608	2176	a0ebdd573ca846bcbe46bba6e5a91355_JaffaCakes118.exe	sc.exe
PID 2176 wrote to memory of 2608	2176	a0ebdd573ca846bcbe46bba6e5a91355_JaffaCakes118.exe	sc.exe
PID 2176 wrote to memory of 2608	2176	a0ebdd573ca846bcbe46bba6e5a91355_JaffaCakes118.exe	sc.exe
PID 2176 wrote to memory of 2608	2176	a0ebdd573ca846bcbe46bba6e5a91355_JaffaCakes118.exe	sc.exe
PID 2176 wrote to memory of 2604	2176	a0ebdd573ca846bcbe46bba6e5a91355_JaffaCakes118.exe	sc.exe
PID 2176 wrote to memory of 2604	2176	a0ebdd573ca846bcbe46bba6e5a91355_JaffaCakes118.exe	sc.exe
PID 2176 wrote to memory of 2604	2176	a0ebdd573ca846bcbe46bba6e5a91355_JaffaCakes118.exe	sc.exe
PID 2176 wrote to memory of 2604	2176	a0ebdd573ca846bcbe46bba6e5a91355_JaffaCakes118.exe	sc.exe
PID 2176 wrote to memory of 2312	2176	a0ebdd573ca846bcbe46bba6e5a91355_JaffaCakes118.exe	netsh.exe
PID 2176 wrote to memory of 2312	2176	a0ebdd573ca846bcbe46bba6e5a91355_JaffaCakes118.exe	netsh.exe
PID 2176 wrote to memory of 2312	2176	a0ebdd573ca846bcbe46bba6e5a91355_JaffaCakes118.exe	netsh.exe
PID 2176 wrote to memory of 2312	2176	a0ebdd573ca846bcbe46bba6e5a91355_JaffaCakes118.exe	netsh.exe
PID 3024 wrote to memory of 2528	3024	zyiztrgs.exe	svchost.exe
PID 3024 wrote to memory of 2528	3024	zyiztrgs.exe	svchost.exe
PID 3024 wrote to memory of 2528	3024	zyiztrgs.exe	svchost.exe
PID 3024 wrote to memory of 2528	3024	zyiztrgs.exe	svchost.exe
PID 3024 wrote to memory of 2528	3024	zyiztrgs.exe	svchost.exe
PID 3024 wrote to memory of 2528	3024	zyiztrgs.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\a0ebdd573ca846bcbe46bba6e5a91355_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a0ebdd573ca846bcbe46bba6e5a91355_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2176

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\aspfgvaz\
2⤵
PID:1780

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\zyiztrgs.exe" C:\Windows\SysWOW64\aspfgvaz\
2⤵
PID:2112

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create aspfgvaz binPath= "C:\Windows\SysWOW64\aspfgvaz\zyiztrgs.exe /d\"C:\Users\Admin\AppData\Local\Temp\a0ebdd573ca846bcbe46bba6e5a91355_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2724

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description aspfgvaz "wifi internet conection"
2⤵
- Launches sc.exe
PID:2608

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start aspfgvaz
2⤵
- Launches sc.exe
PID:2604

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:2312

C:\Windows\SysWOW64\aspfgvaz\zyiztrgs.exe
C:\Windows\SysWOW64\aspfgvaz\zyiztrgs.exe /d"C:\Users\Admin\AppData\Local\Temp\a0ebdd573ca846bcbe46bba6e5a91355_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3024

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Sets service image path in registry
- Deletes itself
PID:2528

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

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
13.1MB

MD5
8b7f71d64e7fe6b69d346bc8f7143815

SHA1
b1b5769969ee9f2c9c3340384988fd912328270b

SHA256
1acda09e0f3638c9aa0b8565008f904c3a6ec525128e40032a02ebdc1f726265

SHA512
c9943abf48ce470e18f071bb41f1adf8188bd492612628d19fb7c337508562d301c53b8cf500c673fd2cb22bc970b040147258c2fc6d6f0c5bb6087c36c3d96e

Download Submit
memory/2176-0-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2176-2-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2176-1-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2176-6-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2528-11-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2528-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2528-8-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2528-13-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2528-15-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/3024-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3024-14-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads