9395ff1f9c2e600b5e23825368bd2fb0093d6b431637485632a258e27414a914

Analysis

max time kernel
220s
max time network
252s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
02/12/2022, 22:08

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General

Target

9395ff1f9c2e600b5e23825368bd2fb0093d6b431637485632a258e27414a914.exe
Size

934KB
MD5

0f8a8b3069a63990c6b8f34d0a6c6e40
SHA1

160da8b8e369fdd56a0f55eb84836e292012f7a6
SHA256

9395ff1f9c2e600b5e23825368bd2fb0093d6b431637485632a258e27414a914
SHA512

ee7c0d0ccd859ef3d9282a0cb7d1f06bfd9d51345ce74111160c809a400e01d30bab77f3e7b8588aabfc506f9a37501e96fd29bb0512c05ed1552247c4659e9e
SSDEEP

12288:rbpHYUKy5U1bo9t8DMRSW9vbciUiLuAvOxMt11i27QitjlH:r5sJo6YrFUiyAak11LtjlH

Score

8^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
212	svchest425075242507520.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1932-132-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral2/memory/1932-133-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral2/files/0x000c000000023158-136.dat	upx
behavioral2/files/0x000c000000023158-137.dat	upx
behavioral2/memory/212-138-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral2/memory/212-140-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral2/memory/1932-141-0x0000000000400000-0x0000000000597000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	9395ff1f9c2e600b5e23825368bd2fb0093d6b431637485632a258e27414a914.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Kris = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9395ff1f9c2e600b5e23825368bd2fb0093d6b431637485632a258e27414a914.exe"	9395ff1f9c2e600b5e23825368bd2fb0093d6b431637485632a258e27414a914.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1932	9395ff1f9c2e600b5e23825368bd2fb0093d6b431637485632a258e27414a914.exe
212	svchest425075242507520.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	\??\c:\Windows\BJ.exe	9395ff1f9c2e600b5e23825368bd2fb0093d6b431637485632a258e27414a914.exe
File opened for modification	\??\c:\Windows\BJ.exe	9395ff1f9c2e600b5e23825368bd2fb0093d6b431637485632a258e27414a914.exe
File created	\??\c:\Windows\svchest425075242507520.exe	9395ff1f9c2e600b5e23825368bd2fb0093d6b431637485632a258e27414a914.exe
File opened for modification	\??\c:\Windows\svchest425075242507520.exe	9395ff1f9c2e600b5e23825368bd2fb0093d6b431637485632a258e27414a914.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1932 wrote to memory of 212	1932	9395ff1f9c2e600b5e23825368bd2fb0093d6b431637485632a258e27414a914.exe	80
PID 1932 wrote to memory of 212	1932	9395ff1f9c2e600b5e23825368bd2fb0093d6b431637485632a258e27414a914.exe	80
PID 1932 wrote to memory of 212	1932	9395ff1f9c2e600b5e23825368bd2fb0093d6b431637485632a258e27414a914.exe	80

C:\Users\Admin\AppData\Local\Temp\9395ff1f9c2e600b5e23825368bd2fb0093d6b431637485632a258e27414a914.exe
"C:\Users\Admin\AppData\Local\Temp\9395ff1f9c2e600b5e23825368bd2fb0093d6b431637485632a258e27414a914.exe"
1⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1932
- \??\c:\Windows\svchest425075242507520.exe
  c:\Windows\svchest425075242507520.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  PID:212

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\svchest425075242507520.exe

Filesize
934KB

MD5
0f8a8b3069a63990c6b8f34d0a6c6e40

SHA1
160da8b8e369fdd56a0f55eb84836e292012f7a6

SHA256
9395ff1f9c2e600b5e23825368bd2fb0093d6b431637485632a258e27414a914

SHA512
ee7c0d0ccd859ef3d9282a0cb7d1f06bfd9d51345ce74111160c809a400e01d30bab77f3e7b8588aabfc506f9a37501e96fd29bb0512c05ed1552247c4659e9e

Download Submit
\??\c:\Windows\svchest425075242507520.exe

Filesize
934KB

MD5
0f8a8b3069a63990c6b8f34d0a6c6e40

SHA1
160da8b8e369fdd56a0f55eb84836e292012f7a6

SHA256
9395ff1f9c2e600b5e23825368bd2fb0093d6b431637485632a258e27414a914

SHA512
ee7c0d0ccd859ef3d9282a0cb7d1f06bfd9d51345ce74111160c809a400e01d30bab77f3e7b8588aabfc506f9a37501e96fd29bb0512c05ed1552247c4659e9e

Download Submit
memory/212-138-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/212-140-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/1932-132-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/1932-133-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/1932-141-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download