tofsee | 6e5691161afc3f8d202dfc94f917d73acdf30d2f4a184da64a05c9abda98b7d5

Analysis

max time kernel
142s
max time network
126s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
20/04/2024, 17:35

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General

Target
fd43c0ae0a977257010f08fe87f3bef4_JaffaCakes118.exe
Size 13.3MB
Sample240420-v55d5aeb8x
SHA256 6e5691161afc3f8d202dfc94f917d73acdf30d2f4a184da64a05c9abda98b7d5
MD5 fd43c0ae0a977257010f08fe87f3bef4
SHA1 899f51924fdd2ef971925bab89cc7e2bcd12d64c
SHA512 87f3bab2d6ec219477121448929fa0dc73519696608d6992263b4a3880a3532a112182b3f52b21d45a3a7b551451dfff3397612452534ece01973a25da852e90
SSDEEP 98304:MNWUlllllllllllllllllllllllllllllllllllllllllllllllllllllllllllL:6W
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Extracted

Family

tofsee

43.231.4.7
lazystax.ru

Signatures

Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan 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\goggzlcd = "0"	svchost.exe

Creates new service(s) 1 TTPs
persistence

Windows Service
T1543.003

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2556	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\goggzlcd\ImagePath = "C:\\Windows\\SysWOW64\\goggzlcd\\neahyxbf.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2596	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2080	neahyxbf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2080 set thread context of 2596	2080	neahyxbf.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2664	sc.exe
2084	sc.exe
2656	sc.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1772 wrote to memory of 2896	1772	fd43c0ae0a977257010f08fe87f3bef4_JaffaCakes118.exe	28
PID 1772 wrote to memory of 2896	1772	fd43c0ae0a977257010f08fe87f3bef4_JaffaCakes118.exe	28
PID 1772 wrote to memory of 2896	1772	fd43c0ae0a977257010f08fe87f3bef4_JaffaCakes118.exe	28
PID 1772 wrote to memory of 2896	1772	fd43c0ae0a977257010f08fe87f3bef4_JaffaCakes118.exe	28
PID 1772 wrote to memory of 2684	1772	fd43c0ae0a977257010f08fe87f3bef4_JaffaCakes118.exe	30
PID 1772 wrote to memory of 2684	1772	fd43c0ae0a977257010f08fe87f3bef4_JaffaCakes118.exe	30
PID 1772 wrote to memory of 2684	1772	fd43c0ae0a977257010f08fe87f3bef4_JaffaCakes118.exe	30
PID 1772 wrote to memory of 2684	1772	fd43c0ae0a977257010f08fe87f3bef4_JaffaCakes118.exe	30
PID 1772 wrote to memory of 2084	1772	fd43c0ae0a977257010f08fe87f3bef4_JaffaCakes118.exe	32
PID 1772 wrote to memory of 2084	1772	fd43c0ae0a977257010f08fe87f3bef4_JaffaCakes118.exe	32
PID 1772 wrote to memory of 2084	1772	fd43c0ae0a977257010f08fe87f3bef4_JaffaCakes118.exe	32
PID 1772 wrote to memory of 2084	1772	fd43c0ae0a977257010f08fe87f3bef4_JaffaCakes118.exe	32
PID 1772 wrote to memory of 2656	1772	fd43c0ae0a977257010f08fe87f3bef4_JaffaCakes118.exe	34
PID 1772 wrote to memory of 2656	1772	fd43c0ae0a977257010f08fe87f3bef4_JaffaCakes118.exe	34
PID 1772 wrote to memory of 2656	1772	fd43c0ae0a977257010f08fe87f3bef4_JaffaCakes118.exe	34
PID 1772 wrote to memory of 2656	1772	fd43c0ae0a977257010f08fe87f3bef4_JaffaCakes118.exe	34
PID 1772 wrote to memory of 2664	1772	fd43c0ae0a977257010f08fe87f3bef4_JaffaCakes118.exe	36
PID 1772 wrote to memory of 2664	1772	fd43c0ae0a977257010f08fe87f3bef4_JaffaCakes118.exe	36
PID 1772 wrote to memory of 2664	1772	fd43c0ae0a977257010f08fe87f3bef4_JaffaCakes118.exe	36
PID 1772 wrote to memory of 2664	1772	fd43c0ae0a977257010f08fe87f3bef4_JaffaCakes118.exe	36
PID 1772 wrote to memory of 2556	1772	fd43c0ae0a977257010f08fe87f3bef4_JaffaCakes118.exe	38
PID 1772 wrote to memory of 2556	1772	fd43c0ae0a977257010f08fe87f3bef4_JaffaCakes118.exe	38
PID 1772 wrote to memory of 2556	1772	fd43c0ae0a977257010f08fe87f3bef4_JaffaCakes118.exe	38
PID 1772 wrote to memory of 2556	1772	fd43c0ae0a977257010f08fe87f3bef4_JaffaCakes118.exe	38
PID 2080 wrote to memory of 2596	2080	neahyxbf.exe	41
PID 2080 wrote to memory of 2596	2080	neahyxbf.exe	41
PID 2080 wrote to memory of 2596	2080	neahyxbf.exe	41
PID 2080 wrote to memory of 2596	2080	neahyxbf.exe	41
PID 2080 wrote to memory of 2596	2080	neahyxbf.exe	41
PID 2080 wrote to memory of 2596	2080	neahyxbf.exe	41

C:\Users\Admin\AppData\Local\Temp\fd43c0ae0a977257010f08fe87f3bef4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fd43c0ae0a977257010f08fe87f3bef4_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1772
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\goggzlcd\
  2⤵
  PID:2896
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\neahyxbf.exe" C:\Windows\SysWOW64\goggzlcd\
  2⤵
  PID:2684
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create goggzlcd binPath= "C:\Windows\SysWOW64\goggzlcd\neahyxbf.exe /d\"C:\Users\Admin\AppData\Local\Temp\fd43c0ae0a977257010f08fe87f3bef4_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  PID:2084
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description goggzlcd "wifi internet conection"
  2⤵
  - Launches sc.exe
  PID:2656
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start goggzlcd
  2⤵
  - Launches sc.exe
  PID:2664
- 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:2556

C:\Windows\SysWOW64\goggzlcd\neahyxbf.exe
C:\Windows\SysWOW64\goggzlcd\neahyxbf.exe /d"C:\Users\Admin\AppData\Local\Temp\fd43c0ae0a977257010f08fe87f3bef4_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2080
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Windows security bypass
  - Sets service image path in registry
  - Deletes itself
  PID:2596

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

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

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

neahyxbf.exe

Path C:\Users\Admin\AppData\Local\Temp\neahyxbf.exe
Size 10.4MB
SHA256 fa744d7c974fde8960fa87f94116ee53749c948d825bef19f7e249dd3cec8a02
MD5 a62bbebf897116ef87874b91331a460b
SHA1 47101956a7bb16180e2cd98c0dcee9e2198a7ea7
SHA512 c7881c7f0a1367e8fe7698bb4386f68b3079b728b829255ac3af5deb9dfdd6b24016ee4a74075ea70b49d9bdd6b25acceb431a4ac0654a6de77f8abc0e025262
SSDEEP 98304:QNWUlllllllllllllllllllllllllllllllllllllllllllllllllllllllllllv:GW
MD5 SHA1 SHA512 SSDEEP

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memory/1772-4-0x0000000000400000-0x00000000036CD000-memory.dmp

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memory/1772-2-0x0000000000220000-0x0000000000233000-memory.dmp

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memory/1772-1-0x0000000003760000-0x0000000003860000-memory.dmp

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memory/1772-6-0x0000000000400000-0x00000000036CD000-memory.dmp

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memory/1772-8-0x0000000000220000-0x0000000000233000-memory.dmp

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memory/2080-19-0x0000000000400000-0x00000000036CD000-memory.dmp

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memory/2080-15-0x0000000000400000-0x00000000036CD000-memory.dmp

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memory/2080-10-0x0000000003820000-0x0000000003920000-memory.dmp

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memory/2596-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

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memory/2596-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

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memory/2596-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

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memory/2596-20-0x00000000000C0000-0x00000000000D5000-memory.dmp

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memory/2596-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

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memory/2596-21-0x00000000000C0000-0x00000000000D5000-memory.dmp

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memory/2596-22-0x00000000000C0000-0x00000000000D5000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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