b578bfb0a7aacb8ccf161359d0c13c8eb71767940756c8e834359f57465972b6

General

Target

b578bfb0a7aacb8ccf161359d0c13c8eb71767940756c8e834359f57465972b6.exe
Size

3.4MB
MD5

23f11a7d3c4598a480da9dffa64c07d7
SHA1

49c861957c9d335afa9775195f8eea0242c6039b
SHA256

b578bfb0a7aacb8ccf161359d0c13c8eb71767940756c8e834359f57465972b6
SHA512

e8f765e74e71d72a7b7b26dbf4b105556df5deab62caa0e7c621c0353ffe1e75ba4fb5bea5a1ef8c29a4dd5c9d48a86847f3178390b44ff9c2d98768e2c52eb1
SSDEEP

98304:BJuR21C/yIq/dhl/O4i/TksjdFwvhzjMSwRVq:B8D/yIqlhlW4i/QsnwZzjMSeVq

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__	DesktopMicrosoft-type4.9.6.4.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	DesktopMicrosoft-type4.9.6.4.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	DesktopMicrosoft-type4.9.6.4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	DesktopMicrosoft-type4.9.6.4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	DesktopMicrosoft-type4.9.6.4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	DesktopMicrosoft-type4.9.6.4.exe

Executes dropped EXE 2 IoCs

pid	Process
5028	DesktopMicrosoft-type4.9.6.4.exe
3324	DesktopMicrosoft-type4.9.6.4.exe

Modifies file permissions 1 TTPs 3 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1936	icacls.exe
4892	icacls.exe
1144	icacls.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x00010000000230ed-149.dat	upx
behavioral1/files/0x00010000000230ed-150.dat	upx
behavioral1/memory/5028-152-0x00007FF662930000-0x00007FF662E4F000-memory.dmp	upx
behavioral1/memory/5028-153-0x00007FF662930000-0x00007FF662E4F000-memory.dmp	upx
behavioral1/memory/5028-154-0x00007FF662930000-0x00007FF662E4F000-memory.dmp	upx
behavioral1/memory/5028-155-0x00007FF662930000-0x00007FF662E4F000-memory.dmp	upx
behavioral1/memory/5028-156-0x00007FF662930000-0x00007FF662E4F000-memory.dmp	upx
behavioral1/memory/5028-157-0x00007FF662930000-0x00007FF662E4F000-memory.dmp	upx
behavioral1/files/0x00010000000230ed-158.dat	upx
behavioral1/memory/3324-159-0x00007FF662930000-0x00007FF662E4F000-memory.dmp	upx
behavioral1/memory/3324-160-0x00007FF662930000-0x00007FF662E4F000-memory.dmp	upx
behavioral1/memory/3324-161-0x00007FF662930000-0x00007FF662E4F000-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	DesktopMicrosoft-type4.9.6.4.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	DesktopMicrosoft-type4.9.6.4.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 452 set thread context of 1508	452	b578bfb0a7aacb8ccf161359d0c13c8eb71767940756c8e834359f57465972b6.exe	84

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2188	452	WerFault.exe	82

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
5076	schtasks.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 452 wrote to memory of 1508	452	b578bfb0a7aacb8ccf161359d0c13c8eb71767940756c8e834359f57465972b6.exe	84
PID 452 wrote to memory of 1508	452	b578bfb0a7aacb8ccf161359d0c13c8eb71767940756c8e834359f57465972b6.exe	84
PID 452 wrote to memory of 1508	452	b578bfb0a7aacb8ccf161359d0c13c8eb71767940756c8e834359f57465972b6.exe	84
PID 452 wrote to memory of 1508	452	b578bfb0a7aacb8ccf161359d0c13c8eb71767940756c8e834359f57465972b6.exe	84
PID 452 wrote to memory of 1508	452	b578bfb0a7aacb8ccf161359d0c13c8eb71767940756c8e834359f57465972b6.exe	84
PID 1508 wrote to memory of 1936	1508	AppLaunch.exe	94
PID 1508 wrote to memory of 1936	1508	AppLaunch.exe	94
PID 1508 wrote to memory of 1936	1508	AppLaunch.exe	94
PID 1508 wrote to memory of 4892	1508	AppLaunch.exe	95
PID 1508 wrote to memory of 4892	1508	AppLaunch.exe	95
PID 1508 wrote to memory of 4892	1508	AppLaunch.exe	95
PID 1508 wrote to memory of 1144	1508	AppLaunch.exe	97
PID 1508 wrote to memory of 1144	1508	AppLaunch.exe	97
PID 1508 wrote to memory of 1144	1508	AppLaunch.exe	97
PID 1508 wrote to memory of 5076	1508	AppLaunch.exe	100
PID 1508 wrote to memory of 5076	1508	AppLaunch.exe	100
PID 1508 wrote to memory of 5076	1508	AppLaunch.exe	100
PID 1508 wrote to memory of 5028	1508	AppLaunch.exe	102
PID 1508 wrote to memory of 5028	1508	AppLaunch.exe	102

C:\Users\Admin\AppData\Local\Temp\b578bfb0a7aacb8ccf161359d0c13c8eb71767940756c8e834359f57465972b6.exe
"C:\Users\Admin\AppData\Local\Temp\b578bfb0a7aacb8ccf161359d0c13c8eb71767940756c8e834359f57465972b6.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:452
- 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:1508
- - C:\Windows\SysWOW64\icacls.exe
    "C:\Windows\System32\icacls.exe" "C:\ProgramData\DesktopMicrosoft-type4.9.6.4" /inheritance:e /deny "*S-1-1-0:(R,REA,RA,RD)"
    3⤵
    - Modifies file permissions
    PID:1936
- - C:\Windows\SysWOW64\icacls.exe
    "C:\Windows\System32\icacls.exe" "C:\ProgramData\DesktopMicrosoft-type4.9.6.4" /inheritance:e /deny "*S-1-5-7:(R,REA,RA,RD)"
    3⤵
    - Modifies file permissions
    PID:4892
- - C:\Windows\SysWOW64\icacls.exe
    "C:\Windows\System32\icacls.exe" "C:\ProgramData\DesktopMicrosoft-type4.9.6.4" /inheritance:e /deny "admin:(R,REA,RA,RD)"
    3⤵
    - Modifies file permissions
    PID:1144
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /CREATE /TN "DesktopMicrosoft-type4.9.6.4\DesktopMicrosoft-type4.9.6.4" /TR "C:\ProgramData\DesktopMicrosoft-type4.9.6.4\DesktopMicrosoft-type4.9.6.4.exe" /SC MINUTE
    3⤵
    - Creates scheduled task(s)
    PID:5076
- - C:\ProgramData\DesktopMicrosoft-type4.9.6.4\DesktopMicrosoft-type4.9.6.4.exe
    "C:\ProgramData\DesktopMicrosoft-type4.9.6.4\DesktopMicrosoft-type4.9.6.4.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:5028
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 452 -s 312
  2⤵
  - Program crash
  PID:2188

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 452 -ip 452
1⤵
PID:1736

C:\ProgramData\DesktopMicrosoft-type4.9.6.4\DesktopMicrosoft-type4.9.6.4.exe
C:\ProgramData\DesktopMicrosoft-type4.9.6.4\DesktopMicrosoft-type4.9.6.4.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:3324

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\DesktopMicrosoft-type4.9.6.4\DesktopMicrosoft-type4.9.6.4.exe

Filesize
670.4MB

MD5
8424fec36606bc13dfef11177c68f845

SHA1
6168a0bbfecb1395d7fc4ccc758135d4f7fd9196

SHA256
81e0b3783a9cacb2603da180243ffcf7375c52e35fcfec315a32905bc2bc88b3

SHA512
0c8856606bdecf14b8e5cccc0eebbe81e7f97086a8f144e1786c101caa2c441f8f9bf1af62aef50eef3b1b58ddc38a2416b8d576b6c91ec1ccd0c0638af7dc5f

Download Submit
C:\ProgramData\DesktopMicrosoft-type4.9.6.4\DesktopMicrosoft-type4.9.6.4.exe

Filesize
575.0MB

MD5
e80bd2647d6249d853c74aaae8bb944c

SHA1
a717c6feffb194ce01a0bb5d50d4d69876c1a400

SHA256
aac0131bf265801e2c1dc95a65bac8f2001b6ae2f4c95180ad1233ff0404c84e

SHA512
854cdeca621782f6849d47d6d46790746ac52f39504c3f08e1f8ad4474ca78243c06a8fbc81d38f6060a8c97d09f1606d01a4ec363218c66eb57e6d0e8877b0c

Download Submit
C:\ProgramData\DesktopMicrosoft-type4.9.6.4\DesktopMicrosoft-type4.9.6.4.exe

Filesize
331.1MB

MD5
6808112b12171746e439bf85388f74a0

SHA1
97b20ea653f87c3fa11cbc9b37c51b11a48e5d62

SHA256
784580cbaf726d001d691348c39d5eb2bd11f13b2cfbd6c3de40543f831606f6

SHA512
2c45ae48e7321776552c4145ae53607ad56ce1dc02d0dcf1462abb3665a57a023873463be7fc712cd61c585066d392eb8b283753cf8480ccabd3c8a3880dd272

Download Submit
memory/1508-140-0x00000000053B0000-0x00000000053BA000-memory.dmp

Filesize
40KB

Download
memory/1508-141-0x0000000005410000-0x0000000005420000-memory.dmp

Filesize
64KB

Download
memory/1508-142-0x0000000005410000-0x0000000005420000-memory.dmp

Filesize
64KB

Download
memory/1508-143-0x0000000005410000-0x0000000005420000-memory.dmp

Filesize
64KB

Download
memory/1508-144-0x0000000005410000-0x0000000005420000-memory.dmp

Filesize
64KB

Download
memory/1508-139-0x0000000005420000-0x00000000054B2000-memory.dmp

Filesize
584KB

Download
memory/1508-138-0x0000000005930000-0x0000000005ED4000-memory.dmp

Filesize
5.6MB

Download
memory/1508-133-0x0000000000400000-0x000000000075C000-memory.dmp

Filesize
3.4MB

Download
memory/3324-161-0x00007FF662930000-0x00007FF662E4F000-memory.dmp

Filesize
5.1MB

Download
memory/3324-160-0x00007FF662930000-0x00007FF662E4F000-memory.dmp

Filesize
5.1MB

Download
memory/3324-159-0x00007FF662930000-0x00007FF662E4F000-memory.dmp

Filesize
5.1MB

Download
memory/5028-152-0x00007FF662930000-0x00007FF662E4F000-memory.dmp

Filesize
5.1MB

Download
memory/5028-157-0x00007FF662930000-0x00007FF662E4F000-memory.dmp

Filesize
5.1MB

Download
memory/5028-156-0x00007FF662930000-0x00007FF662E4F000-memory.dmp

Filesize
5.1MB

Download
memory/5028-155-0x00007FF662930000-0x00007FF662E4F000-memory.dmp

Filesize
5.1MB

Download
memory/5028-154-0x00007FF662930000-0x00007FF662E4F000-memory.dmp

Filesize
5.1MB

Download
memory/5028-153-0x00007FF662930000-0x00007FF662E4F000-memory.dmp

Filesize
5.1MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads