tofsee | d9cc026783b0511da70d785bbd3093e11bb0927115bc7409d25b1c9ae3d1e7e1

General

Target

f75321be65ccd1fb27f978e8ec360738_JaffaCakes118.exe
Size

14.7MB
MD5

f75321be65ccd1fb27f978e8ec360738
SHA1

60cefa28535cc8f77cc1b8e6aaf03ba6762f5e38
SHA256

d9cc026783b0511da70d785bbd3093e11bb0927115bc7409d25b1c9ae3d1e7e1
SHA512

81e650c4e50195dadec6f1bde08c4296cf1938fbe7563bd5598f824558e047dcc0030c0e9d99ec89ea41c4905c309254e8717c4e910470afd4d95a7bd6e5ff22
SSDEEP

12288:GRXQK44fy611111111111111111111111111111111111111111111111111111H:GRx2

Score

10^/10

tofsee evasion 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

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\zaoupwpo = "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

Processes:

netsh.exe

pid process

2424 netsh.exe

pid	process
2424	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\zaoupwpo\ImagePath = "C:\\Windows\\SysWOW64\\zaoupwpo\\pkogwhjh.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

828 svchost.exe
Executes dropped EXE 2 IoCs

Processes:

hqkphgbx.exepkogwhjh.exe

pid process

2916 hqkphgbx.exe
2684 pkogwhjh.exe
Loads dropped DLL 2 IoCs

Processes:

f75321be65ccd1fb27f978e8ec360738_JaffaCakes118.exe

pid process

2264 f75321be65ccd1fb27f978e8ec360738_JaffaCakes118.exe
2264 f75321be65ccd1fb27f978e8ec360738_JaffaCakes118.exe

pid	process
828	svchost.exe

pid	process
2916	hqkphgbx.exe
2684	pkogwhjh.exe

pid	process
2264	f75321be65ccd1fb27f978e8ec360738_JaffaCakes118.exe
2264	f75321be65ccd1fb27f978e8ec360738_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

f75321be65ccd1fb27f978e8ec360738_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\abpvqxqp = "\"C:\\Users\\Admin\\hqkphgbx.exe\""	f75321be65ccd1fb27f978e8ec360738_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

pkogwhjh.exe

description pid process target process

PID 2684 set thread context of 828 2684 pkogwhjh.exe svchost.exe
Launches sc.exe 5 IoCs
Sc.exe is a Windows utlilty to control services on the system.

Processes:

sc.exesc.exesc.exesc.exesc.exe

pid process

2444 sc.exe
2432 sc.exe
2664 sc.exe
2500 sc.exe
572 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	pid	process	target process
PID 2684 set thread context of 828	2684	pkogwhjh.exe	svchost.exe

pid	process
2444	sc.exe
2432	sc.exe
2664	sc.exe
2500	sc.exe
572	sc.exe

Suspicious use of WriteProcessMemory 46 IoCs

Processes:

f75321be65ccd1fb27f978e8ec360738_JaffaCakes118.exehqkphgbx.exepkogwhjh.exe

description	pid	process	target process
PID 2264 wrote to memory of 2616	2264	f75321be65ccd1fb27f978e8ec360738_JaffaCakes118.exe	cmd.exe
PID 2264 wrote to memory of 2616	2264	f75321be65ccd1fb27f978e8ec360738_JaffaCakes118.exe	cmd.exe
PID 2264 wrote to memory of 2616	2264	f75321be65ccd1fb27f978e8ec360738_JaffaCakes118.exe	cmd.exe
PID 2264 wrote to memory of 2616	2264	f75321be65ccd1fb27f978e8ec360738_JaffaCakes118.exe	cmd.exe
PID 2264 wrote to memory of 2608	2264	f75321be65ccd1fb27f978e8ec360738_JaffaCakes118.exe	cmd.exe
PID 2264 wrote to memory of 2608	2264	f75321be65ccd1fb27f978e8ec360738_JaffaCakes118.exe	cmd.exe
PID 2264 wrote to memory of 2608	2264	f75321be65ccd1fb27f978e8ec360738_JaffaCakes118.exe	cmd.exe
PID 2264 wrote to memory of 2608	2264	f75321be65ccd1fb27f978e8ec360738_JaffaCakes118.exe	cmd.exe
PID 2264 wrote to memory of 2444	2264	f75321be65ccd1fb27f978e8ec360738_JaffaCakes118.exe	sc.exe
PID 2264 wrote to memory of 2444	2264	f75321be65ccd1fb27f978e8ec360738_JaffaCakes118.exe	sc.exe
PID 2264 wrote to memory of 2444	2264	f75321be65ccd1fb27f978e8ec360738_JaffaCakes118.exe	sc.exe
PID 2264 wrote to memory of 2444	2264	f75321be65ccd1fb27f978e8ec360738_JaffaCakes118.exe	sc.exe
PID 2264 wrote to memory of 2432	2264	f75321be65ccd1fb27f978e8ec360738_JaffaCakes118.exe	sc.exe
PID 2264 wrote to memory of 2432	2264	f75321be65ccd1fb27f978e8ec360738_JaffaCakes118.exe	sc.exe
PID 2264 wrote to memory of 2432	2264	f75321be65ccd1fb27f978e8ec360738_JaffaCakes118.exe	sc.exe
PID 2264 wrote to memory of 2432	2264	f75321be65ccd1fb27f978e8ec360738_JaffaCakes118.exe	sc.exe
PID 2264 wrote to memory of 2664	2264	f75321be65ccd1fb27f978e8ec360738_JaffaCakes118.exe	sc.exe
PID 2264 wrote to memory of 2664	2264	f75321be65ccd1fb27f978e8ec360738_JaffaCakes118.exe	sc.exe
PID 2264 wrote to memory of 2664	2264	f75321be65ccd1fb27f978e8ec360738_JaffaCakes118.exe	sc.exe
PID 2264 wrote to memory of 2664	2264	f75321be65ccd1fb27f978e8ec360738_JaffaCakes118.exe	sc.exe
PID 2264 wrote to memory of 2424	2264	f75321be65ccd1fb27f978e8ec360738_JaffaCakes118.exe	netsh.exe
PID 2264 wrote to memory of 2424	2264	f75321be65ccd1fb27f978e8ec360738_JaffaCakes118.exe	netsh.exe
PID 2264 wrote to memory of 2424	2264	f75321be65ccd1fb27f978e8ec360738_JaffaCakes118.exe	netsh.exe
PID 2264 wrote to memory of 2424	2264	f75321be65ccd1fb27f978e8ec360738_JaffaCakes118.exe	netsh.exe
PID 2264 wrote to memory of 2916	2264	f75321be65ccd1fb27f978e8ec360738_JaffaCakes118.exe	hqkphgbx.exe
PID 2264 wrote to memory of 2916	2264	f75321be65ccd1fb27f978e8ec360738_JaffaCakes118.exe	hqkphgbx.exe
PID 2264 wrote to memory of 2916	2264	f75321be65ccd1fb27f978e8ec360738_JaffaCakes118.exe	hqkphgbx.exe
PID 2264 wrote to memory of 2916	2264	f75321be65ccd1fb27f978e8ec360738_JaffaCakes118.exe	hqkphgbx.exe
PID 2916 wrote to memory of 676	2916	hqkphgbx.exe	cmd.exe
PID 2916 wrote to memory of 676	2916	hqkphgbx.exe	cmd.exe
PID 2916 wrote to memory of 676	2916	hqkphgbx.exe	cmd.exe
PID 2916 wrote to memory of 676	2916	hqkphgbx.exe	cmd.exe
PID 2916 wrote to memory of 2500	2916	hqkphgbx.exe	sc.exe
PID 2916 wrote to memory of 2500	2916	hqkphgbx.exe	sc.exe
PID 2916 wrote to memory of 2500	2916	hqkphgbx.exe	sc.exe
PID 2916 wrote to memory of 2500	2916	hqkphgbx.exe	sc.exe
PID 2916 wrote to memory of 572	2916	hqkphgbx.exe	sc.exe
PID 2916 wrote to memory of 572	2916	hqkphgbx.exe	sc.exe
PID 2916 wrote to memory of 572	2916	hqkphgbx.exe	sc.exe
PID 2916 wrote to memory of 572	2916	hqkphgbx.exe	sc.exe
PID 2684 wrote to memory of 828	2684	pkogwhjh.exe	svchost.exe
PID 2684 wrote to memory of 828	2684	pkogwhjh.exe	svchost.exe
PID 2684 wrote to memory of 828	2684	pkogwhjh.exe	svchost.exe
PID 2684 wrote to memory of 828	2684	pkogwhjh.exe	svchost.exe
PID 2684 wrote to memory of 828	2684	pkogwhjh.exe	svchost.exe
PID 2684 wrote to memory of 828	2684	pkogwhjh.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\f75321be65ccd1fb27f978e8ec360738_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f75321be65ccd1fb27f978e8ec360738_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2264

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\zaoupwpo\
2⤵
PID:2616

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\pkogwhjh.exe" C:\Windows\SysWOW64\zaoupwpo\
2⤵
PID:2608

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create zaoupwpo binPath= "C:\Windows\SysWOW64\zaoupwpo\pkogwhjh.exe /d\"C:\Users\Admin\AppData\Local\Temp\f75321be65ccd1fb27f978e8ec360738_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2444

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description zaoupwpo "wifi internet conection"
2⤵
- Launches sc.exe
PID:2432

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start zaoupwpo
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:2424

C:\Users\Admin\hqkphgbx.exe
"C:\Users\Admin\hqkphgbx.exe" /d"C:\Users\Admin\AppData\Local\Temp\f75321be65ccd1fb27f978e8ec360738_JaffaCakes118.exe"
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2916

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\kwvjuemg.exe" C:\Windows\SysWOW64\zaoupwpo\
3⤵
PID:676

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" config zaoupwpo binPath= "C:\Windows\SysWOW64\zaoupwpo\kwvjuemg.exe /d\"C:\Users\Admin\hqkphgbx.exe\""
3⤵
- Launches sc.exe
PID:2500

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start zaoupwpo
3⤵
- Launches sc.exe
PID:572

C:\Windows\SysWOW64\zaoupwpo\pkogwhjh.exe
C:\Windows\SysWOW64\zaoupwpo\pkogwhjh.exe /d"C:\Users\Admin\AppData\Local\Temp\f75321be65ccd1fb27f978e8ec360738_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2684

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:828

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Privilege Escalation

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify Tools

1

T1562.001

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\kwvjuemg.exe
Filesize
13.0MB

MD5
c64a07ac5bfa97d14c04fae29e8d8b8a

SHA1
54249617c27ae789f2c1327fb4ef84307b715444

SHA256
62802d9427b10a9ae052c665cb58a41b641cafc8ee779e7c82a319a3390283b3

SHA512
e9e0e474101903714cdaa40184cf511a233baf7d18fcc5d74450ed94f5020b4398e706d2400a643a947302e8b6c4db59295ce0d5df0e09e565a35c1fb2d2f47e

Download Submit
C:\Users\Admin\AppData\Local\Temp\pkogwhjh.exe
Filesize
12.4MB

MD5
1fe7c5f13cd2deb84cabe8a410e9b8a7

SHA1
655c943a06a3dda67d2c64edd9148a3458d189af

SHA256
57f08b21148319bf0b48ff919ee5d5c3be8b7720a7e0d71184ea85d9d610713a

SHA512
a29754eb6efe9fd721a6393f7914720cd99d870ff82925bc6e8a06fdb933831e470d208118ae23669ee80dadce90ca374875352a167f5400525f9d1c63b7bacc

Download Submit
\Users\Admin\hqkphgbx.exe
Filesize
14.1MB

MD5
567817bc387628d35d2a272638d17260

SHA1
e2391f282c8296a6359e24f600b1764e724e7992

SHA256
eb62c4fe385093a49b75e8b317f5b320cb96801a62e2b8b8e3e1d0567075a11e

SHA512
8be7d62529a7f183f24667f1f7eec6b2c96138cfc47ae90602bddc49477b72e4474a41e355510ca8012f62ce83217cb57df5650336b12b5f10e110040c7649bd

Download Submit
memory/828-29-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/828-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/828-35-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/828-38-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/828-37-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/828-32-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2264-21-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2264-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2264-4-0x0000000000400000-0x0000000003359000-memory.dmp

Filesize
47.3MB

Download
memory/2264-7-0x0000000000400000-0x0000000003359000-memory.dmp

Filesize
47.3MB

Download
memory/2264-18-0x0000000000400000-0x0000000003359000-memory.dmp

Filesize
47.3MB

Download
memory/2264-1-0x00000000033E0000-0x00000000034E0000-memory.dmp

Filesize
1024KB

Download
memory/2684-27-0x00000000034A0000-0x00000000035A0000-memory.dmp

Filesize
1024KB

Download
memory/2684-26-0x0000000000400000-0x0000000003359000-memory.dmp

Filesize
47.3MB

Download
memory/2684-28-0x0000000000400000-0x0000000003359000-memory.dmp

Filesize
47.3MB

Download
memory/2684-36-0x0000000000400000-0x0000000003359000-memory.dmp

Filesize
47.3MB

Download
memory/2916-17-0x0000000000400000-0x0000000003359000-memory.dmp

Filesize
47.3MB

Download
memory/2916-24-0x0000000000400000-0x0000000003359000-memory.dmp

Filesize
47.3MB

Download
memory/2916-16-0x00000000002F0000-0x00000000003F0000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads