tofsee | b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00

Analysis

max time kernel
146s
max time network
146s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-12-2024 01:25

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General

Target

JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe
Size

146KB
MD5

35d2e76123aacdc2f711476cdf0fafc0
SHA1

9836b00a794764404d6b67d31f0108cb32bdd6ec
SHA256

b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00
SHA512

bcd513d186e8af75eeb350d62c2560efd59cc23018761936b2605f83921f39bac32cb5c052e380448eb35c372bd0f931a0338f1bef3ecbb93c2a0eba61ad290f
SSDEEP

1536:yfISSdp/jPWfoqVxFY7VY0e4ahObF8OXkZh3uJp+Q7Jgz70J62CAWhJz:yFYpafoqZaLFLXkTqfPM2CA8Jz

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

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

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\ftzelfjv = "0"	svchost.exe

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
2944	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\ftzelfjv\ImagePath = "C:\\Windows\\SysWOW64\\ftzelfjv\\ahfqvqes.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2392	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2732	ahfqvqes.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2732 set thread context of 2392	2732	ahfqvqes.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2940	sc.exe
2896	sc.exe
2924	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

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	ahfqvqes.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2332 wrote to memory of 2084	2332	JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe	31
PID 2332 wrote to memory of 2084	2332	JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe	31
PID 2332 wrote to memory of 2084	2332	JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe	31
PID 2332 wrote to memory of 2084	2332	JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe	31
PID 2332 wrote to memory of 2356	2332	JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe	33
PID 2332 wrote to memory of 2356	2332	JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe	33
PID 2332 wrote to memory of 2356	2332	JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe	33
PID 2332 wrote to memory of 2356	2332	JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe	33
PID 2332 wrote to memory of 2940	2332	JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe	35
PID 2332 wrote to memory of 2940	2332	JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe	35
PID 2332 wrote to memory of 2940	2332	JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe	35
PID 2332 wrote to memory of 2940	2332	JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe	35
PID 2332 wrote to memory of 2896	2332	JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe	37
PID 2332 wrote to memory of 2896	2332	JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe	37
PID 2332 wrote to memory of 2896	2332	JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe	37
PID 2332 wrote to memory of 2896	2332	JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe	37
PID 2332 wrote to memory of 2924	2332	JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe	39
PID 2332 wrote to memory of 2924	2332	JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe	39
PID 2332 wrote to memory of 2924	2332	JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe	39
PID 2332 wrote to memory of 2924	2332	JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe	39
PID 2332 wrote to memory of 2944	2332	JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe	42
PID 2332 wrote to memory of 2944	2332	JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe	42
PID 2332 wrote to memory of 2944	2332	JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe	42
PID 2332 wrote to memory of 2944	2332	JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe	42
PID 2732 wrote to memory of 2392	2732	ahfqvqes.exe	44
PID 2732 wrote to memory of 2392	2732	ahfqvqes.exe	44
PID 2732 wrote to memory of 2392	2732	ahfqvqes.exe	44
PID 2732 wrote to memory of 2392	2732	ahfqvqes.exe	44
PID 2732 wrote to memory of 2392	2732	ahfqvqes.exe	44
PID 2732 wrote to memory of 2392	2732	ahfqvqes.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2332
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ftzelfjv\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2084
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ahfqvqes.exe" C:\Windows\SysWOW64\ftzelfjv\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2356
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ftzelfjv binPath= "C:\Windows\SysWOW64\ftzelfjv\ahfqvqes.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2940
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ftzelfjv "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2896
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ftzelfjv
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2924
- 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:2944

C:\Windows\SysWOW64\ftzelfjv\ahfqvqes.exe
C:\Windows\SysWOW64\ftzelfjv\ahfqvqes.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b53cde44f664b97dcdeb95e795a503bf1ea0459aec569e7fd720eae00465df00.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2732
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Windows security bypass
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2392

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
10.2MB

MD5
5d1c3cd0b189cff3836b46cd1f5cbeb6

SHA1
cc2de7702f4d6060082a062797d37ae44ce45fc4

SHA256
ed47d0028b711b0f38eac5b417c50398e83ea471350558179a1f2f2dc70854d2

SHA512
7fbcb8df3033ebb9f75bc01ea837e83ae6115530d10828dbdab91fd09d890016f706c1ed12ffc20a471d74aaa904e2d13da94b5f058083a9c2f4d62130ae40d7

Download Submit
memory/2332-8-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download
memory/2332-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2332-2-0x00000000002B0000-0x00000000002C3000-memory.dmp

Filesize
76KB

Download
memory/2332-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2332-9-0x00000000002B0000-0x00000000002C3000-memory.dmp

Filesize
76KB

Download
memory/2332-1-0x0000000000530000-0x0000000000630000-memory.dmp

Filesize
1024KB

Download
memory/2392-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2392-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2392-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2392-16-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2392-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2732-17-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads