f0c20ded1d665938de180c8519a90254949af29f346cc763195ca9c41abadafa

General

Target

f0c20ded1d665938de180c8519a90254949af29f346cc763195ca9c41abadafa.exe
Size

3.4MB
MD5

3f062c179088905caa034b2b7581d160
SHA1

da04dc55bae78506d62e61db03198b4c5e613ded
SHA256

f0c20ded1d665938de180c8519a90254949af29f346cc763195ca9c41abadafa
SHA512

e907627eab4121d040cfc40afedaf9239582f6ec5d1909ac84e3d39dfb11de720762ea5b7131677230b5695c08b6a1cb7c6d7ab43c479b8db8560613559b68e9
SSDEEP

98304:+nB/hPovhl+YHt0DJSZtAzc/K9gMus7RfRwUIq8DuznQ6:ozQm6EJzxl7RJwk8DuznQ6

Score

9^/10

discovery evasion trojan upx

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	USOSharedssh-type8.6.4.0.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	USOSharedssh-type8.6.4.0.exe

Checks BIOS information in registry 2 TTPs 4 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	USOSharedssh-type8.6.4.0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	USOSharedssh-type8.6.4.0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	USOSharedssh-type8.6.4.0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	USOSharedssh-type8.6.4.0.exe

Executes dropped EXE 2 IoCs

pid	Process
4024	USOSharedssh-type8.6.4.0.exe
4464	USOSharedssh-type8.6.4.0.exe

Modifies file permissions 1 TTPs 3 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1620	icacls.exe
848	icacls.exe
2064	icacls.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000a000000023164-149.dat	upx
behavioral1/files/0x000a000000023164-150.dat	upx
behavioral1/memory/4024-153-0x00007FF7CFE40000-0x00007FF7D035F000-memory.dmp	upx
behavioral1/memory/4024-152-0x00007FF7CFE40000-0x00007FF7D035F000-memory.dmp	upx
behavioral1/memory/4024-154-0x00007FF7CFE40000-0x00007FF7D035F000-memory.dmp	upx
behavioral1/memory/4024-155-0x00007FF7CFE40000-0x00007FF7D035F000-memory.dmp	upx
behavioral1/files/0x000a000000023164-156.dat	upx
behavioral1/memory/4464-157-0x00007FF7CFE40000-0x00007FF7D035F000-memory.dmp	upx
behavioral1/memory/4464-159-0x00007FF7CFE40000-0x00007FF7D035F000-memory.dmp	upx
behavioral1/memory/4464-160-0x00007FF7CFE40000-0x00007FF7D035F000-memory.dmp	upx

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	USOSharedssh-type8.6.4.0.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	USOSharedssh-type8.6.4.0.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1112 set thread context of 2996	1112	f0c20ded1d665938de180c8519a90254949af29f346cc763195ca9c41abadafa.exe	87

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2572	1112	WerFault.exe	85

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
3920	schtasks.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1112 wrote to memory of 2996	1112	f0c20ded1d665938de180c8519a90254949af29f346cc763195ca9c41abadafa.exe	87
PID 1112 wrote to memory of 2996	1112	f0c20ded1d665938de180c8519a90254949af29f346cc763195ca9c41abadafa.exe	87
PID 1112 wrote to memory of 2996	1112	f0c20ded1d665938de180c8519a90254949af29f346cc763195ca9c41abadafa.exe	87
PID 1112 wrote to memory of 2996	1112	f0c20ded1d665938de180c8519a90254949af29f346cc763195ca9c41abadafa.exe	87
PID 1112 wrote to memory of 2996	1112	f0c20ded1d665938de180c8519a90254949af29f346cc763195ca9c41abadafa.exe	87
PID 2996 wrote to memory of 2064	2996	AppLaunch.exe	102
PID 2996 wrote to memory of 2064	2996	AppLaunch.exe	102
PID 2996 wrote to memory of 2064	2996	AppLaunch.exe	102
PID 2996 wrote to memory of 1620	2996	AppLaunch.exe	104
PID 2996 wrote to memory of 1620	2996	AppLaunch.exe	104
PID 2996 wrote to memory of 1620	2996	AppLaunch.exe	104
PID 2996 wrote to memory of 848	2996	AppLaunch.exe	106
PID 2996 wrote to memory of 848	2996	AppLaunch.exe	106
PID 2996 wrote to memory of 848	2996	AppLaunch.exe	106
PID 2996 wrote to memory of 3920	2996	AppLaunch.exe	108
PID 2996 wrote to memory of 3920	2996	AppLaunch.exe	108
PID 2996 wrote to memory of 3920	2996	AppLaunch.exe	108
PID 2996 wrote to memory of 4024	2996	AppLaunch.exe	110
PID 2996 wrote to memory of 4024	2996	AppLaunch.exe	110

C:\Users\Admin\AppData\Local\Temp\f0c20ded1d665938de180c8519a90254949af29f346cc763195ca9c41abadafa.exe
"C:\Users\Admin\AppData\Local\Temp\f0c20ded1d665938de180c8519a90254949af29f346cc763195ca9c41abadafa.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1112
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  "C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\AppLaunch.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2996
- - C:\Windows\SysWOW64\icacls.exe
    "C:\Windows\System32\icacls.exe" "C:\ProgramData\USOSharedssh-type8.6.4.0" /inheritance:e /deny "*S-1-1-0:(R,REA,RA,RD)"
    3⤵
    - Modifies file permissions
    PID:2064
- - C:\Windows\SysWOW64\icacls.exe
    "C:\Windows\System32\icacls.exe" "C:\ProgramData\USOSharedssh-type8.6.4.0" /inheritance:e /deny "*S-1-5-7:(R,REA,RA,RD)"
    3⤵
    - Modifies file permissions
    PID:1620
- - C:\Windows\SysWOW64\icacls.exe
    "C:\Windows\System32\icacls.exe" "C:\ProgramData\USOSharedssh-type8.6.4.0" /inheritance:e /deny "admin:(R,REA,RA,RD)"
    3⤵
    - Modifies file permissions
    PID:848
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /CREATE /TN "USOSharedssh-type8.6.4.0\USOSharedssh-type8.6.4.0" /TR "C:\ProgramData\USOSharedssh-type8.6.4.0\USOSharedssh-type8.6.4.0.exe" /SC MINUTE
    3⤵
    - Creates scheduled task(s)
    PID:3920
- - C:\ProgramData\USOSharedssh-type8.6.4.0\USOSharedssh-type8.6.4.0.exe
    "C:\ProgramData\USOSharedssh-type8.6.4.0\USOSharedssh-type8.6.4.0.exe" "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
    3⤵
    - Identifies VirtualBox via ACPI registry values (likely anti-VM)
    - Checks BIOS information in registry
    - Executes dropped EXE
    - Checks whether UAC is enabled
    PID:4024
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 296
  2⤵
  - Program crash
  PID:2572

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1112 -ip 1112
1⤵
PID:1912

C:\ProgramData\USOSharedssh-type8.6.4.0\USOSharedssh-type8.6.4.0.exe
C:\ProgramData\USOSharedssh-type8.6.4.0\USOSharedssh-type8.6.4.0.exe
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
PID:4464

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

File and Directory Permissions Modification

1

T1222

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\USOSharedssh-type8.6.4.0\USOSharedssh-type8.6.4.0.exe

Filesize
804.1MB

MD5
3abd70f7d803665cfc5bef15d73cc400

SHA1
07c4b97fa5d3747740c2b8c0438287d22c49fd38

SHA256
78e8888c5fc6e23a1317eec3222292c481ac7de774d6e0297a48ceaf22af7124

SHA512
1637137cc144c72f50cb276a44843b45ae52f0e0bf10303d368a1fee7260c0fdc5aee8a307a66f9835da5827a5ee976b9661e05235912bcbbdd35b6240e8399a

Download Submit
C:\ProgramData\USOSharedssh-type8.6.4.0\USOSharedssh-type8.6.4.0.exe

Filesize
805.2MB

MD5
5c6c2bb14b0c651448a38675f6637b98

SHA1
1c7904881b59633ba8c56782cbd44fc0a9d45636

SHA256
c8c5b45c1758d7f930f74e0c5c2c16136d9997054777126aea49c3fafd899d25

SHA512
c353ef0c6291b437ee75c0be4aa0ed3b453bef50019528b8e22e7aff52aedd7bc31f112310d2f59dc1ec4480f1a5161629c4be21324c160610fc5fc234404e60

Download Submit
C:\ProgramData\USOSharedssh-type8.6.4.0\USOSharedssh-type8.6.4.0.exe

Filesize
141.7MB

MD5
105325a86ec6c46a2f9e33920b2c9a53

SHA1
1193ce0bf7fdae8e74734dc695566d47ed95ce90

SHA256
c5623db016eecfccaaaf9f3fc5c5ea50b8b6c6e97bd0662d719ece2179a69457

SHA512
f90889af16d75388de81ad9e8e1d689c37fdc5eaf8f0c7be41db936296e39bac73ac87f424c9dac2e79b6eca8c0dea7d0437187e5c7f8fc0c15bdce05712f94f

Download Submit
memory/2996-141-0x0000000005550000-0x0000000005560000-memory.dmp

Filesize
64KB

Download
memory/2996-138-0x0000000005B90000-0x0000000006134000-memory.dmp

Filesize
5.6MB

Download
memory/2996-142-0x0000000005550000-0x0000000005560000-memory.dmp

Filesize
64KB

Download
memory/2996-143-0x0000000005550000-0x0000000005560000-memory.dmp

Filesize
64KB

Download
memory/2996-144-0x0000000005550000-0x0000000005560000-memory.dmp

Filesize
64KB

Download
memory/2996-140-0x0000000005770000-0x000000000577A000-memory.dmp

Filesize
40KB

Download
memory/2996-139-0x00000000055E0000-0x0000000005672000-memory.dmp

Filesize
584KB

Download
memory/2996-133-0x0000000000400000-0x000000000075C000-memory.dmp

Filesize
3.4MB

Download
memory/4024-153-0x00007FF7CFE40000-0x00007FF7D035F000-memory.dmp

Filesize
5.1MB

Download
memory/4024-154-0x00007FF7CFE40000-0x00007FF7D035F000-memory.dmp

Filesize
5.1MB

Download
memory/4024-155-0x00007FF7CFE40000-0x00007FF7D035F000-memory.dmp

Filesize
5.1MB

Download
memory/4024-152-0x00007FF7CFE40000-0x00007FF7D035F000-memory.dmp

Filesize
5.1MB

Download
memory/4464-157-0x00007FF7CFE40000-0x00007FF7D035F000-memory.dmp

Filesize
5.1MB

Download
memory/4464-159-0x00007FF7CFE40000-0x00007FF7D035F000-memory.dmp

Filesize
5.1MB

Download
memory/4464-160-0x00007FF7CFE40000-0x00007FF7D035F000-memory.dmp

Filesize
5.1MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads