tofsee | 2892fcb514031795be8f62a7c309a5fe80279066517fd8bd219f2e0f31fb4042

General

Target

8ae987e80e12b61362f37b47ea603a71_JaffaCakes118.exe
Size

142KB
MD5

8ae987e80e12b61362f37b47ea603a71
SHA1

29a2d26bf4d8a74d4ded2bba39af14e2af83016e
SHA256

2892fcb514031795be8f62a7c309a5fe80279066517fd8bd219f2e0f31fb4042
SHA512

d47df314643d82af87feb43f79ae5fef1ad61aa449755d0d73abee307bdc93fbcb53529c7fe8039e7bfb051d8041b084b3efd00d868377881b6c46b86c0f6ef7
SSDEEP

3072:i9Tpm/Wn6280tMkFG6ASkHDmdxPvrknn3ost0rpNU99f:9eJLHkjmbwn3ojNg

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

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\tlsoinxr = "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

Processes:

netsh.exe

pid process

2600 netsh.exe

pid	process
2600	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\tlsoinxr\ImagePath = "C:\\Windows\\SysWOW64\\tlsoinxr\\hqgazyhx.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

1724 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

hqgazyhx.exe

pid process

2484 hqgazyhx.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

hqgazyhx.exe

description pid process target process

PID 2484 set thread context of 1724 2484 hqgazyhx.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

2624 sc.exe
2584 sc.exe
2532 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1724	svchost.exe

pid	process
2484	hqgazyhx.exe

description	pid	process	target process
PID 2484 set thread context of 1724	2484	hqgazyhx.exe	svchost.exe

pid	process
2624	sc.exe
2584	sc.exe
2532	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

8ae987e80e12b61362f37b47ea603a71_JaffaCakes118.exehqgazyhx.exe

description	pid	process	target process
PID 2248 wrote to memory of 2732	2248	8ae987e80e12b61362f37b47ea603a71_JaffaCakes118.exe	cmd.exe
PID 2248 wrote to memory of 2732	2248	8ae987e80e12b61362f37b47ea603a71_JaffaCakes118.exe	cmd.exe
PID 2248 wrote to memory of 2732	2248	8ae987e80e12b61362f37b47ea603a71_JaffaCakes118.exe	cmd.exe
PID 2248 wrote to memory of 2732	2248	8ae987e80e12b61362f37b47ea603a71_JaffaCakes118.exe	cmd.exe
PID 2248 wrote to memory of 2148	2248	8ae987e80e12b61362f37b47ea603a71_JaffaCakes118.exe	cmd.exe
PID 2248 wrote to memory of 2148	2248	8ae987e80e12b61362f37b47ea603a71_JaffaCakes118.exe	cmd.exe
PID 2248 wrote to memory of 2148	2248	8ae987e80e12b61362f37b47ea603a71_JaffaCakes118.exe	cmd.exe
PID 2248 wrote to memory of 2148	2248	8ae987e80e12b61362f37b47ea603a71_JaffaCakes118.exe	cmd.exe
PID 2248 wrote to memory of 2584	2248	8ae987e80e12b61362f37b47ea603a71_JaffaCakes118.exe	sc.exe
PID 2248 wrote to memory of 2584	2248	8ae987e80e12b61362f37b47ea603a71_JaffaCakes118.exe	sc.exe
PID 2248 wrote to memory of 2584	2248	8ae987e80e12b61362f37b47ea603a71_JaffaCakes118.exe	sc.exe
PID 2248 wrote to memory of 2584	2248	8ae987e80e12b61362f37b47ea603a71_JaffaCakes118.exe	sc.exe
PID 2248 wrote to memory of 2532	2248	8ae987e80e12b61362f37b47ea603a71_JaffaCakes118.exe	sc.exe
PID 2248 wrote to memory of 2532	2248	8ae987e80e12b61362f37b47ea603a71_JaffaCakes118.exe	sc.exe
PID 2248 wrote to memory of 2532	2248	8ae987e80e12b61362f37b47ea603a71_JaffaCakes118.exe	sc.exe
PID 2248 wrote to memory of 2532	2248	8ae987e80e12b61362f37b47ea603a71_JaffaCakes118.exe	sc.exe
PID 2248 wrote to memory of 2624	2248	8ae987e80e12b61362f37b47ea603a71_JaffaCakes118.exe	sc.exe
PID 2248 wrote to memory of 2624	2248	8ae987e80e12b61362f37b47ea603a71_JaffaCakes118.exe	sc.exe
PID 2248 wrote to memory of 2624	2248	8ae987e80e12b61362f37b47ea603a71_JaffaCakes118.exe	sc.exe
PID 2248 wrote to memory of 2624	2248	8ae987e80e12b61362f37b47ea603a71_JaffaCakes118.exe	sc.exe
PID 2248 wrote to memory of 2600	2248	8ae987e80e12b61362f37b47ea603a71_JaffaCakes118.exe	netsh.exe
PID 2248 wrote to memory of 2600	2248	8ae987e80e12b61362f37b47ea603a71_JaffaCakes118.exe	netsh.exe
PID 2248 wrote to memory of 2600	2248	8ae987e80e12b61362f37b47ea603a71_JaffaCakes118.exe	netsh.exe
PID 2248 wrote to memory of 2600	2248	8ae987e80e12b61362f37b47ea603a71_JaffaCakes118.exe	netsh.exe
PID 2484 wrote to memory of 1724	2484	hqgazyhx.exe	svchost.exe
PID 2484 wrote to memory of 1724	2484	hqgazyhx.exe	svchost.exe
PID 2484 wrote to memory of 1724	2484	hqgazyhx.exe	svchost.exe
PID 2484 wrote to memory of 1724	2484	hqgazyhx.exe	svchost.exe
PID 2484 wrote to memory of 1724	2484	hqgazyhx.exe	svchost.exe
PID 2484 wrote to memory of 1724	2484	hqgazyhx.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\8ae987e80e12b61362f37b47ea603a71_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8ae987e80e12b61362f37b47ea603a71_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2248

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\tlsoinxr\
2⤵
PID:2732

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hqgazyhx.exe" C:\Windows\SysWOW64\tlsoinxr\
2⤵
PID:2148

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create tlsoinxr binPath= "C:\Windows\SysWOW64\tlsoinxr\hqgazyhx.exe /d\"C:\Users\Admin\AppData\Local\Temp\8ae987e80e12b61362f37b47ea603a71_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2584

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description tlsoinxr "wifi internet conection"
2⤵
- Launches sc.exe
PID:2532

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start tlsoinxr
2⤵
- Launches sc.exe
PID:2624

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:2600

C:\Windows\SysWOW64\tlsoinxr\hqgazyhx.exe
C:\Windows\SysWOW64\tlsoinxr\hqgazyhx.exe /d"C:\Users\Admin\AppData\Local\Temp\8ae987e80e12b61362f37b47ea603a71_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2484

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:1724

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

2

T1562

Disable or Modify System Firewall

1

T1562.004

Disable or Modify Tools

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\hqgazyhx.exe
Filesize
14.2MB

MD5
db7a19f0aa231e4a7ecf687e9d66f47b

SHA1
e1b3eb0c83885731313e23c446c44c0c2253ec70

SHA256
6d3b8f82198834cfd1cae16fc297f87bd5892ea55fe7d5e49f62edb3d1797c06

SHA512
9d5afd2faf99c220342c5ed590c78912625ee59973fbff560edf6611884c80024af08d07a5e70a8710ce338c0fa6eea57a74f827a1cf44f19c1897c097c13caa

Download Submit
memory/1724-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1724-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1724-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1724-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1724-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2248-2-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2248-1-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2248-0-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2248-5-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2484-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2484-14-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads