236e2cbb0cd80dda7760f6c855424a8adbb5e98a348da259e22f04cd4a1f2271

General

Target

236e2cbb0cd80dda7760f6c855424a8adbb5e98a348da259e22f04cd4a1f2271.exe
Size

428KB
MD5

84b74a14df7bd48f2ee9a1efa80c3f1b
SHA1

8642b91cc1d11988d999c1aaadf23c215f4ba543
SHA256

236e2cbb0cd80dda7760f6c855424a8adbb5e98a348da259e22f04cd4a1f2271
SHA512

7c42368608aca20a0541bf0fb22e13e09dab12d5dc0d3eb7c9b824c75f2afceec3f14db669768aea4019d17ce8f1c1e805c603b7ed456a10877e79324ae174fa
SSDEEP

3072:nQC+GXgmYA/npAwfkBEcBoUTqp8YVE83jy11BGWjyLmar5FCO3ztKSwni9JCa2i:nQqgmYA/npALBBo4q2YXAyL1L3BYq

Score

9^/10

bootkit persistence spyware stealer upx

Malware Config

Signatures

Detects executables containing base64 encoded User Agent 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2668-24-0x0000000010000000-0x000000001004E000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/2668-28-0x0000000010000000-0x000000001004E000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/2668-29-0x0000000010000000-0x000000001004E000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

UPX dump on OEP (original entry point) 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3032-16-0x0000000000400000-0x0000000000469000-memory.dmp	UPX
behavioral1/memory/2668-23-0x0000000010000000-0x000000001004E000-memory.dmp	UPX
\Program Files\sfpfu\naksqpeo.dll	UPX
behavioral1/memory/2668-24-0x0000000010000000-0x000000001004E000-memory.dmp	UPX
behavioral1/memory/2668-28-0x0000000010000000-0x000000001004E000-memory.dmp	UPX
behavioral1/memory/2668-29-0x0000000010000000-0x000000001004E000-memory.dmp	UPX

Deletes itself 1 IoCs

Processes:

wegvw.exe

pid process

3032 wegvw.exe
Executes dropped EXE 2 IoCs

Processes:

wegvw.exenaksqpeo.exe

pid process

3032 wegvw.exe
2668 naksqpeo.exe
Loads dropped DLL 7 IoCs

Processes:

cmd.exewegvw.exenaksqpeo.exe

pid process

2420 cmd.exe
2420 cmd.exe
3032 wegvw.exe
2668 naksqpeo.exe
2668 naksqpeo.exe
2668 naksqpeo.exe
2668 naksqpeo.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

pid	process
3032	wegvw.exe

pid	process
3032	wegvw.exe
2668	naksqpeo.exe

pid	process
2420	cmd.exe
2420	cmd.exe
3032	wegvw.exe
2668	naksqpeo.exe
2668	naksqpeo.exe
2668	naksqpeo.exe
2668	naksqpeo.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/2436-0-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/2436-2-0x0000000000400000-0x0000000000469000-memory.dmp	upx
\Users\Admin\AppData\Local\Temp\wegvw.exe	upx
behavioral1/memory/3032-9-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/3032-16-0x0000000000400000-0x0000000000469000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

naksqpeo.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\Depend = "c:\\Program Files\\sfpfu\\naksqpeo.exe \"c:\\Program Files\\sfpfu\\naksqpeo.dll\",Compliance"	naksqpeo.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

naksqpeo.exe

description	ioc	process
File opened (read-only)	\??\a:	naksqpeo.exe
File opened (read-only)	\??\m:	naksqpeo.exe
File opened (read-only)	\??\p:	naksqpeo.exe
File opened (read-only)	\??\q:	naksqpeo.exe
File opened (read-only)	\??\u:	naksqpeo.exe
File opened (read-only)	\??\b:	naksqpeo.exe
File opened (read-only)	\??\g:	naksqpeo.exe
File opened (read-only)	\??\j:	naksqpeo.exe
File opened (read-only)	\??\l:	naksqpeo.exe
File opened (read-only)	\??\w:	naksqpeo.exe
File opened (read-only)	\??\y:	naksqpeo.exe
File opened (read-only)	\??\z:	naksqpeo.exe
File opened (read-only)	\??\e:	naksqpeo.exe
File opened (read-only)	\??\n:	naksqpeo.exe
File opened (read-only)	\??\o:	naksqpeo.exe
File opened (read-only)	\??\v:	naksqpeo.exe
File opened (read-only)	\??\s:	naksqpeo.exe
File opened (read-only)	\??\t:	naksqpeo.exe
File opened (read-only)	\??\x:	naksqpeo.exe
File opened (read-only)	\??\h:	naksqpeo.exe
File opened (read-only)	\??\i:	naksqpeo.exe
File opened (read-only)	\??\k:	naksqpeo.exe
File opened (read-only)	\??\r:	naksqpeo.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
bootkit persistence

Bootkit
T1542.003

Processes:

naksqpeo.exe

description ioc process

File opened for modification \??\PHYSICALDRIVE0 naksqpeo.exe

description	ioc	process
File opened for modification	\??\PHYSICALDRIVE0	naksqpeo.exe

Drops file in Program Files directory 4 IoCs

Processes:

wegvw.exe

description	ioc	process
File created	\??\c:\Program Files\sfpfu\naksqpeo.dll	wegvw.exe
File created	\??\c:\Program Files\sfpfu\naksqpeo.exe	wegvw.exe
File opened for modification	\??\c:\Program Files\sfpfu\naksqpeo.exe	wegvw.exe
File opened for modification	\??\c:\Program Files\sfpfu	wegvw.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

naksqpeo.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	naksqpeo.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	naksqpeo.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2900 PING.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

naksqpeo.exe

pid process

2668 naksqpeo.exe
2668 naksqpeo.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

naksqpeo.exe

description pid process

Token: SeDebugPrivilege 2668 naksqpeo.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

236e2cbb0cd80dda7760f6c855424a8adbb5e98a348da259e22f04cd4a1f2271.exewegvw.exe

pid process

2436 236e2cbb0cd80dda7760f6c855424a8adbb5e98a348da259e22f04cd4a1f2271.exe
3032 wegvw.exe

pid	process
2900	PING.EXE

pid	process
2668	naksqpeo.exe
2668	naksqpeo.exe

description	pid	process
Token: SeDebugPrivilege	2668	naksqpeo.exe

pid	process
2436	236e2cbb0cd80dda7760f6c855424a8adbb5e98a348da259e22f04cd4a1f2271.exe
3032	wegvw.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

236e2cbb0cd80dda7760f6c855424a8adbb5e98a348da259e22f04cd4a1f2271.execmd.exewegvw.exe

description	pid	process	target process
PID 2436 wrote to memory of 2420	2436	236e2cbb0cd80dda7760f6c855424a8adbb5e98a348da259e22f04cd4a1f2271.exe	cmd.exe
PID 2436 wrote to memory of 2420	2436	236e2cbb0cd80dda7760f6c855424a8adbb5e98a348da259e22f04cd4a1f2271.exe	cmd.exe
PID 2436 wrote to memory of 2420	2436	236e2cbb0cd80dda7760f6c855424a8adbb5e98a348da259e22f04cd4a1f2271.exe	cmd.exe
PID 2436 wrote to memory of 2420	2436	236e2cbb0cd80dda7760f6c855424a8adbb5e98a348da259e22f04cd4a1f2271.exe	cmd.exe
PID 2420 wrote to memory of 2900	2420	cmd.exe	PING.EXE
PID 2420 wrote to memory of 2900	2420	cmd.exe	PING.EXE
PID 2420 wrote to memory of 2900	2420	cmd.exe	PING.EXE
PID 2420 wrote to memory of 2900	2420	cmd.exe	PING.EXE
PID 2420 wrote to memory of 3032	2420	cmd.exe	wegvw.exe
PID 2420 wrote to memory of 3032	2420	cmd.exe	wegvw.exe
PID 2420 wrote to memory of 3032	2420	cmd.exe	wegvw.exe
PID 2420 wrote to memory of 3032	2420	cmd.exe	wegvw.exe
PID 3032 wrote to memory of 2668	3032	wegvw.exe	naksqpeo.exe
PID 3032 wrote to memory of 2668	3032	wegvw.exe	naksqpeo.exe
PID 3032 wrote to memory of 2668	3032	wegvw.exe	naksqpeo.exe
PID 3032 wrote to memory of 2668	3032	wegvw.exe	naksqpeo.exe

C:\Users\Admin\AppData\Local\Temp\236e2cbb0cd80dda7760f6c855424a8adbb5e98a348da259e22f04cd4a1f2271.exe
"C:\Users\Admin\AppData\Local\Temp\236e2cbb0cd80dda7760f6c855424a8adbb5e98a348da259e22f04cd4a1f2271.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2436

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\wegvw.exe "C:\Users\Admin\AppData\Local\Temp\236e2cbb0cd80dda7760f6c855424a8adbb5e98a348da259e22f04cd4a1f2271.exe"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2420

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 2
3⤵
- Runs ping.exe
PID:2900

C:\Users\Admin\AppData\Local\Temp\wegvw.exe
C:\Users\Admin\AppData\Local\Temp\\wegvw.exe "C:\Users\Admin\AppData\Local\Temp\236e2cbb0cd80dda7760f6c855424a8adbb5e98a348da259e22f04cd4a1f2271.exe"
3⤵
- Deletes itself
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3032

\??\c:\Program Files\sfpfu\naksqpeo.exe
"c:\Program Files\sfpfu\naksqpeo.exe" "c:\Program Files\sfpfu\naksqpeo.dll",Compliance C:\Users\Admin\AppData\Local\Temp\wegvw.exe
4⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2668

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

2

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

2

T1082

Remote System Discovery

1

T1018

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

\Program Files\sfpfu\naksqpeo.dll
Filesize
141KB

MD5
f111c771c23bc5881f4cbcef02993f06

SHA1
1e19b12a324385d6fcb7636eee548f1d170af839

SHA256
327d6cef19339864d12868a2f531cc0b095f9b7c6e3184c10cf4f3f42af915a3

SHA512
4f37d027f848b7c3f8ec04db94e90a88482c96f368b97ac67d3ee1792994ac4bdd4e75576469cb7f3b1ac85f68558132b5c351bae2b80d52689ae37baa4bb7b7

Download Submit
\Program Files\sfpfu\naksqpeo.exe
Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
\Users\Admin\AppData\Local\Temp\wegvw.exe
Filesize
428KB

MD5
49ccc983b119b2c12a206fa7007e9fee

SHA1
96bb1f8deee514d2bd0ca2aef5ee8ebb7f43bdaa

SHA256
3ab7c851a245dd28d57b4d1701117715dcab9219b22c5db91af1dafc9f25145c

SHA512
efafdf065eaf62f0ed7b5177e7c521eb27d77eef05fa3bc9be2d1e45a86749d909dfbe3f795666e5e4596a307dbe1ebaa325f18e76cd90324a5b430f92d6dd1c

Download Submit
memory/2420-8-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2420-7-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2436-0-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2436-2-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2668-23-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2668-24-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2668-28-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2668-29-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/3032-9-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3032-16-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads