016abf41120b65847825a1b64e35243a980088187dbafac8d43bf8955131d17c

Analysis

max time kernel
150s
max time network
151s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
19/10/2022, 23:43

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General

Target

016abf41120b65847825a1b64e35243a980088187dbafac8d43bf8955131d17c.exe
Size

28KB
MD5

9210400bcbba5ab64aaf74105a908666
SHA1

10e1a65e4ddcd3470fe51c6657eba9f8ad82264c
SHA256

016abf41120b65847825a1b64e35243a980088187dbafac8d43bf8955131d17c
SHA512

d87fb1ea82df929a6c96b4467818858fe2d028f4dcb46c2fe95e763b6c9e0c3b22a608503fff017d70b01f8bb940915df71a4787192ebba5973b3c472315ee41
SSDEEP

768:R3D+rTUN8N2P4z5vYaNutSGhDCCWGrEhJxA6r4ru:R+rTU5PkvcSGhDtUJxh

Score

8^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1752	svohcst.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1848-54-0x0000000000020000-0x0000000000034000-memory.dmp	upx
behavioral1/memory/1752-59-0x00000000001E0000-0x00000000001F4000-memory.dmp	upx
behavioral1/memory/1848-62-0x0000000000020000-0x0000000000034000-memory.dmp	upx
behavioral1/memory/1752-64-0x00000000001E0000-0x00000000001F4000-memory.dmp	upx

Deletes itself 1 IoCs

pid	Process
1436	cmd.exe

Loads dropped DLL 2 IoCs

pid	Process
1848	016abf41120b65847825a1b64e35243a980088187dbafac8d43bf8955131d17c.exe
1848	016abf41120b65847825a1b64e35243a980088187dbafac8d43bf8955131d17c.exe

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	016abf41120b65847825a1b64e35243a980088187dbafac8d43bf8955131d17c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Download = "C:\\Users\\Admin\\AppData\\Local\\Temp\\svohcst.exe"	016abf41120b65847825a1b64e35243a980088187dbafac8d43bf8955131d17c.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436	svohcst.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 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	svohcst.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1304	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1848	016abf41120b65847825a1b64e35243a980088187dbafac8d43bf8955131d17c.exe
1848	016abf41120b65847825a1b64e35243a980088187dbafac8d43bf8955131d17c.exe
1848	016abf41120b65847825a1b64e35243a980088187dbafac8d43bf8955131d17c.exe
1848	016abf41120b65847825a1b64e35243a980088187dbafac8d43bf8955131d17c.exe
1848	016abf41120b65847825a1b64e35243a980088187dbafac8d43bf8955131d17c.exe
1848	016abf41120b65847825a1b64e35243a980088187dbafac8d43bf8955131d17c.exe
1848	016abf41120b65847825a1b64e35243a980088187dbafac8d43bf8955131d17c.exe
1848	016abf41120b65847825a1b64e35243a980088187dbafac8d43bf8955131d17c.exe
1848	016abf41120b65847825a1b64e35243a980088187dbafac8d43bf8955131d17c.exe
1848	016abf41120b65847825a1b64e35243a980088187dbafac8d43bf8955131d17c.exe
1848	016abf41120b65847825a1b64e35243a980088187dbafac8d43bf8955131d17c.exe
1848	016abf41120b65847825a1b64e35243a980088187dbafac8d43bf8955131d17c.exe
1848	016abf41120b65847825a1b64e35243a980088187dbafac8d43bf8955131d17c.exe
1848	016abf41120b65847825a1b64e35243a980088187dbafac8d43bf8955131d17c.exe
1848	016abf41120b65847825a1b64e35243a980088187dbafac8d43bf8955131d17c.exe
1848	016abf41120b65847825a1b64e35243a980088187dbafac8d43bf8955131d17c.exe
1848	016abf41120b65847825a1b64e35243a980088187dbafac8d43bf8955131d17c.exe
1752	svohcst.exe
1752	svohcst.exe
1752	svohcst.exe
1752	svohcst.exe
1752	svohcst.exe
1752	svohcst.exe
1752	svohcst.exe
1752	svohcst.exe
1752	svohcst.exe
1752	svohcst.exe
1752	svohcst.exe
1752	svohcst.exe
1752	svohcst.exe
1752	svohcst.exe
1752	svohcst.exe
1752	svohcst.exe
1752	svohcst.exe
1752	svohcst.exe
1752	svohcst.exe
1752	svohcst.exe
1752	svohcst.exe
1752	svohcst.exe
1752	svohcst.exe
1752	svohcst.exe
1752	svohcst.exe
1752	svohcst.exe
1752	svohcst.exe
1752	svohcst.exe
1752	svohcst.exe
1752	svohcst.exe
1752	svohcst.exe
1752	svohcst.exe
1752	svohcst.exe
1752	svohcst.exe
1752	svohcst.exe
1752	svohcst.exe
1752	svohcst.exe
1752	svohcst.exe
1752	svohcst.exe
1752	svohcst.exe
1752	svohcst.exe
1752	svohcst.exe
1752	svohcst.exe
1752	svohcst.exe
1752	svohcst.exe
1752	svohcst.exe
1752	svohcst.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1848 wrote to memory of 1752	1848	016abf41120b65847825a1b64e35243a980088187dbafac8d43bf8955131d17c.exe	28
PID 1848 wrote to memory of 1752	1848	016abf41120b65847825a1b64e35243a980088187dbafac8d43bf8955131d17c.exe	28
PID 1848 wrote to memory of 1752	1848	016abf41120b65847825a1b64e35243a980088187dbafac8d43bf8955131d17c.exe	28
PID 1848 wrote to memory of 1752	1848	016abf41120b65847825a1b64e35243a980088187dbafac8d43bf8955131d17c.exe	28
PID 1848 wrote to memory of 1436	1848	016abf41120b65847825a1b64e35243a980088187dbafac8d43bf8955131d17c.exe	29
PID 1848 wrote to memory of 1436	1848	016abf41120b65847825a1b64e35243a980088187dbafac8d43bf8955131d17c.exe	29
PID 1848 wrote to memory of 1436	1848	016abf41120b65847825a1b64e35243a980088187dbafac8d43bf8955131d17c.exe	29
PID 1848 wrote to memory of 1436	1848	016abf41120b65847825a1b64e35243a980088187dbafac8d43bf8955131d17c.exe	29
PID 1436 wrote to memory of 1304	1436	cmd.exe	31
PID 1436 wrote to memory of 1304	1436	cmd.exe	31
PID 1436 wrote to memory of 1304	1436	cmd.exe	31
PID 1436 wrote to memory of 1304	1436	cmd.exe	31

C:\Users\Admin\AppData\Local\Temp\016abf41120b65847825a1b64e35243a980088187dbafac8d43bf8955131d17c.exe
"C:\Users\Admin\AppData\Local\Temp\016abf41120b65847825a1b64e35243a980088187dbafac8d43bf8955131d17c.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1848
- C:\Users\Admin\AppData\Local\Temp\svohcst.exe
  C:\Users\Admin\AppData\Local\Temp\svohcst.exe
  2⤵
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  PID:1752
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping localhost -n 10 && del "C:\Users\Admin\AppData\Local\Temp\016abf41120b65847825a1b64e35243a980088187dbafac8d43bf8955131d17c.exe"
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1436
- - C:\Windows\SysWOW64\PING.EXE
    ping localhost -n 10
    3⤵
    - Runs ping.exe
    PID:1304

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Install Root Certificate

T1130

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
28KB

MD5
9210400bcbba5ab64aaf74105a908666

SHA1
10e1a65e4ddcd3470fe51c6657eba9f8ad82264c

SHA256
016abf41120b65847825a1b64e35243a980088187dbafac8d43bf8955131d17c

SHA512
d87fb1ea82df929a6c96b4467818858fe2d028f4dcb46c2fe95e763b6c9e0c3b22a608503fff017d70b01f8bb940915df71a4787192ebba5973b3c472315ee41

Download Submit
\Users\Admin\AppData\Local\Temp\svohcst.exe

Filesize
28KB

MD5
9210400bcbba5ab64aaf74105a908666

SHA1
10e1a65e4ddcd3470fe51c6657eba9f8ad82264c

SHA256
016abf41120b65847825a1b64e35243a980088187dbafac8d43bf8955131d17c

SHA512
d87fb1ea82df929a6c96b4467818858fe2d028f4dcb46c2fe95e763b6c9e0c3b22a608503fff017d70b01f8bb940915df71a4787192ebba5973b3c472315ee41

Download Submit
\Users\Admin\AppData\Local\Temp\svohcst.exe

Filesize
28KB

MD5
9210400bcbba5ab64aaf74105a908666

SHA1
10e1a65e4ddcd3470fe51c6657eba9f8ad82264c

SHA256
016abf41120b65847825a1b64e35243a980088187dbafac8d43bf8955131d17c

SHA512
d87fb1ea82df929a6c96b4467818858fe2d028f4dcb46c2fe95e763b6c9e0c3b22a608503fff017d70b01f8bb940915df71a4787192ebba5973b3c472315ee41

Download Submit
memory/1752-59-0x00000000001E0000-0x00000000001F4000-memory.dmp

Filesize
80KB

Download
memory/1752-64-0x00000000001E0000-0x00000000001F4000-memory.dmp

Filesize
80KB

Download
memory/1752-65-0x0000000076091000-0x0000000076093000-memory.dmp

Filesize
8KB

Download
memory/1848-54-0x0000000000020000-0x0000000000034000-memory.dmp

Filesize
80KB

Download
memory/1848-61-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1848-62-0x0000000000020000-0x0000000000034000-memory.dmp

Filesize
80KB

Download