tofsee | 411c12f3ffdfc457b7e96b53eb9f82170e2d065a09157c82c879c335f80afe18

General

Target

271d95e58c572c43840b2821abcc4ef0_JaffaCakes118.exe
Size

143KB
MD5

271d95e58c572c43840b2821abcc4ef0
SHA1

45b8f42821059fab7c65139875855e99bf42678d
SHA256

411c12f3ffdfc457b7e96b53eb9f82170e2d065a09157c82c879c335f80afe18
SHA512

2c558900cfaab4161779b80a10197c75c0f3d001ff25b31477fdec1e3457cde1fe8d9291c9a68841956101c5f2e1ece1779ca21417ad977e206e8f27301da233
SSDEEP

3072:Is6ZY7v9ocPspRvaMnY7Q0qzhBpJ6E5WcWcpxOcvocjc:yyLsXaAYQb/zV

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

2220 netsh.exe

pid	process
2220	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\zhshgbhv\ImagePath = "C:\\Windows\\SysWOW64\\zhshgbhv\\riibljvj.exe"	svchost.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

271d95e58c572c43840b2821abcc4ef0_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	271d95e58c572c43840b2821abcc4ef0_JaffaCakes118.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2028 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

riibljvj.exe

pid process

1708 riibljvj.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

riibljvj.exe

description pid process target process

PID 1708 set thread context of 2028 1708 riibljvj.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

2616 sc.exe
2908 sc.exe
716 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2028	svchost.exe

pid	process
1708	riibljvj.exe

description	pid	process	target process
PID 1708 set thread context of 2028	1708	riibljvj.exe	svchost.exe

pid	process
2616	sc.exe
2908	sc.exe
716	sc.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

271d95e58c572c43840b2821abcc4ef0_JaffaCakes118.exeriibljvj.exe

description	pid	process	target process
PID 2320 wrote to memory of 3488	2320	271d95e58c572c43840b2821abcc4ef0_JaffaCakes118.exe	cmd.exe
PID 2320 wrote to memory of 3488	2320	271d95e58c572c43840b2821abcc4ef0_JaffaCakes118.exe	cmd.exe
PID 2320 wrote to memory of 3488	2320	271d95e58c572c43840b2821abcc4ef0_JaffaCakes118.exe	cmd.exe
PID 2320 wrote to memory of 348	2320	271d95e58c572c43840b2821abcc4ef0_JaffaCakes118.exe	cmd.exe
PID 2320 wrote to memory of 348	2320	271d95e58c572c43840b2821abcc4ef0_JaffaCakes118.exe	cmd.exe
PID 2320 wrote to memory of 348	2320	271d95e58c572c43840b2821abcc4ef0_JaffaCakes118.exe	cmd.exe
PID 2320 wrote to memory of 2616	2320	271d95e58c572c43840b2821abcc4ef0_JaffaCakes118.exe	sc.exe
PID 2320 wrote to memory of 2616	2320	271d95e58c572c43840b2821abcc4ef0_JaffaCakes118.exe	sc.exe
PID 2320 wrote to memory of 2616	2320	271d95e58c572c43840b2821abcc4ef0_JaffaCakes118.exe	sc.exe
PID 2320 wrote to memory of 2908	2320	271d95e58c572c43840b2821abcc4ef0_JaffaCakes118.exe	sc.exe
PID 2320 wrote to memory of 2908	2320	271d95e58c572c43840b2821abcc4ef0_JaffaCakes118.exe	sc.exe
PID 2320 wrote to memory of 2908	2320	271d95e58c572c43840b2821abcc4ef0_JaffaCakes118.exe	sc.exe
PID 2320 wrote to memory of 716	2320	271d95e58c572c43840b2821abcc4ef0_JaffaCakes118.exe	sc.exe
PID 2320 wrote to memory of 716	2320	271d95e58c572c43840b2821abcc4ef0_JaffaCakes118.exe	sc.exe
PID 2320 wrote to memory of 716	2320	271d95e58c572c43840b2821abcc4ef0_JaffaCakes118.exe	sc.exe
PID 2320 wrote to memory of 2220	2320	271d95e58c572c43840b2821abcc4ef0_JaffaCakes118.exe	netsh.exe
PID 2320 wrote to memory of 2220	2320	271d95e58c572c43840b2821abcc4ef0_JaffaCakes118.exe	netsh.exe
PID 2320 wrote to memory of 2220	2320	271d95e58c572c43840b2821abcc4ef0_JaffaCakes118.exe	netsh.exe
PID 1708 wrote to memory of 2028	1708	riibljvj.exe	svchost.exe
PID 1708 wrote to memory of 2028	1708	riibljvj.exe	svchost.exe
PID 1708 wrote to memory of 2028	1708	riibljvj.exe	svchost.exe
PID 1708 wrote to memory of 2028	1708	riibljvj.exe	svchost.exe
PID 1708 wrote to memory of 2028	1708	riibljvj.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\271d95e58c572c43840b2821abcc4ef0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\271d95e58c572c43840b2821abcc4ef0_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2320

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\zhshgbhv\
2⤵
PID:3488

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\riibljvj.exe" C:\Windows\SysWOW64\zhshgbhv\
2⤵
PID:348

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create zhshgbhv binPath= "C:\Windows\SysWOW64\zhshgbhv\riibljvj.exe /d\"C:\Users\Admin\AppData\Local\Temp\271d95e58c572c43840b2821abcc4ef0_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2616

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description zhshgbhv "wifi internet conection"
2⤵
- Launches sc.exe
PID:2908

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start zhshgbhv
2⤵
- Launches sc.exe
PID:716

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:2220

C:\Windows\SysWOW64\zhshgbhv\riibljvj.exe
C:\Windows\SysWOW64\zhshgbhv\riibljvj.exe /d"C:\Users\Admin\AppData\Local\Temp\271d95e58c572c43840b2821abcc4ef0_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1708

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Sets service image path in registry
- Deletes itself
PID:2028

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=5248 --field-trial-handle=2236,i,5367110156796017614,12594004256180761011,262144 --variations-seed-version /prefetch:8
1⤵
PID:468

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
11.1MB

MD5
2b4ae7a870b27e61a12fc6cf56a1aed9

SHA1
c9753200da68f4ff3f5ad6a53c955813c108dd04

SHA256
4db729e89f03cd9c8d77d95fd064d75f7daa1d0f6454d884db7b9d838b8ed8d0

SHA512
ad6ac71b5757a84eb245ea41240ddb2174ecbda0352cd07372ccebbbd60333224d04fa90700234da8d76dc6a198a28bf8f3de6570dffbf7318e06b329e83ded8

Download Submit
memory/1708-12-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1708-9-0x0000000000590000-0x0000000000591000-memory.dmp

Filesize
4KB

Download
memory/1708-10-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2028-16-0x00000000009E0000-0x00000000009F5000-memory.dmp

Filesize
84KB

Download
memory/2028-11-0x00000000009E0000-0x00000000009F5000-memory.dmp

Filesize
84KB

Download
memory/2028-15-0x00000000009E0000-0x00000000009F5000-memory.dmp

Filesize
84KB

Download
memory/2028-14-0x00000000009E0000-0x00000000009F5000-memory.dmp

Filesize
84KB

Download
memory/2028-17-0x00000000009E0000-0x00000000009F5000-memory.dmp

Filesize
84KB

Download
memory/2028-18-0x00000000009E0000-0x00000000009F5000-memory.dmp

Filesize
84KB

Download
memory/2320-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2320-1-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2320-4-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2320-0-0x00000000005F0000-0x00000000005F1000-memory.dmp

Filesize
4KB

Download
memory/2320-2-0x0000000000B70000-0x0000000000B71000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads