8ec46c0f8ccf629fdab12cee3eb4e7f498ae6a75db1f8b330d91fd2061bc51ee

General

Target

8ec46c0f8ccf629fdab12cee3eb4e7f498ae6a75db1f8b330d91fd2061bc51ee.exe
Size

3.4MB
MD5

53a5446326954751a99eda1c21a06e9a
SHA1

9a6c670c1dc84c34375693d6825c40a479a416f8
SHA256

8ec46c0f8ccf629fdab12cee3eb4e7f498ae6a75db1f8b330d91fd2061bc51ee
SHA512

43c86ee1f4399b553d985070a5b875aac02f286df00b551bc398933adb8aede87f9ddb5f009a2decc8574c4c56dbb96bd79ed427ebe385736251e26661098445
SSDEEP

98304:nmwMi6hqm+mXHkTiGDsAsQJEwky5CXjcM0Jhv8jYhz:nmRhfv3DG4+vsXjcM0zv8jS

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__	MicrosoftSoftwareDistribution-type3.6.7.1.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	MicrosoftSoftwareDistribution-type3.6.7.1.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\VideoBiosVersion	MicrosoftSoftwareDistribution-type3.6.7.1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	MicrosoftSoftwareDistribution-type3.6.7.1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	MicrosoftSoftwareDistribution-type3.6.7.1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	MicrosoftSoftwareDistribution-type3.6.7.1.exe

Executes dropped EXE 2 IoCs

pid	Process
3984	MicrosoftSoftwareDistribution-type3.6.7.1.exe
2768	MicrosoftSoftwareDistribution-type3.6.7.1.exe

Modifies file permissions 1 TTPs 3 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
3164	icacls.exe
3808	icacls.exe
4716	icacls.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000900000001ae8a-144.dat	upx
behavioral2/files/0x000900000001ae8a-145.dat	upx
behavioral2/memory/3984-146-0x00007FF6C7280000-0x00007FF6C779F000-memory.dmp	upx
behavioral2/memory/3984-147-0x00007FF6C7280000-0x00007FF6C779F000-memory.dmp	upx
behavioral2/memory/3984-150-0x00007FF6C7280000-0x00007FF6C779F000-memory.dmp	upx
behavioral2/memory/3984-151-0x00007FF6C7280000-0x00007FF6C779F000-memory.dmp	upx
behavioral2/files/0x000900000001ae8a-152.dat	upx
behavioral2/memory/2768-153-0x00007FF6C7280000-0x00007FF6C779F000-memory.dmp	upx
behavioral2/memory/2768-154-0x00007FF6C7280000-0x00007FF6C779F000-memory.dmp	upx
behavioral2/memory/2768-155-0x00007FF6C7280000-0x00007FF6C779F000-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	MicrosoftSoftwareDistribution-type3.6.7.1.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	MicrosoftSoftwareDistribution-type3.6.7.1.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4616 set thread context of 2128	4616	8ec46c0f8ccf629fdab12cee3eb4e7f498ae6a75db1f8b330d91fd2061bc51ee.exe	67

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
2496	schtasks.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4616 wrote to memory of 2128	4616	8ec46c0f8ccf629fdab12cee3eb4e7f498ae6a75db1f8b330d91fd2061bc51ee.exe	67
PID 4616 wrote to memory of 2128	4616	8ec46c0f8ccf629fdab12cee3eb4e7f498ae6a75db1f8b330d91fd2061bc51ee.exe	67
PID 4616 wrote to memory of 2128	4616	8ec46c0f8ccf629fdab12cee3eb4e7f498ae6a75db1f8b330d91fd2061bc51ee.exe	67
PID 4616 wrote to memory of 2128	4616	8ec46c0f8ccf629fdab12cee3eb4e7f498ae6a75db1f8b330d91fd2061bc51ee.exe	67
PID 4616 wrote to memory of 2128	4616	8ec46c0f8ccf629fdab12cee3eb4e7f498ae6a75db1f8b330d91fd2061bc51ee.exe	67
PID 2128 wrote to memory of 3808	2128	AppLaunch.exe	68
PID 2128 wrote to memory of 3808	2128	AppLaunch.exe	68
PID 2128 wrote to memory of 3808	2128	AppLaunch.exe	68
PID 2128 wrote to memory of 4716	2128	AppLaunch.exe	70
PID 2128 wrote to memory of 4716	2128	AppLaunch.exe	70
PID 2128 wrote to memory of 4716	2128	AppLaunch.exe	70
PID 2128 wrote to memory of 3164	2128	AppLaunch.exe	71
PID 2128 wrote to memory of 3164	2128	AppLaunch.exe	71
PID 2128 wrote to memory of 3164	2128	AppLaunch.exe	71
PID 2128 wrote to memory of 2496	2128	AppLaunch.exe	74
PID 2128 wrote to memory of 2496	2128	AppLaunch.exe	74
PID 2128 wrote to memory of 2496	2128	AppLaunch.exe	74
PID 2128 wrote to memory of 3984	2128	AppLaunch.exe	76
PID 2128 wrote to memory of 3984	2128	AppLaunch.exe	76

C:\Users\Admin\AppData\Local\Temp\8ec46c0f8ccf629fdab12cee3eb4e7f498ae6a75db1f8b330d91fd2061bc51ee.exe
"C:\Users\Admin\AppData\Local\Temp\8ec46c0f8ccf629fdab12cee3eb4e7f498ae6a75db1f8b330d91fd2061bc51ee.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4616
- 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:2128
- - C:\Windows\SysWOW64\icacls.exe
    "C:\Windows\System32\icacls.exe" "C:\ProgramData\MicrosoftSoftwareDistribution-type3.6.7.1" /inheritance:e /deny "*S-1-1-0:(R,REA,RA,RD)"
    3⤵
    - Modifies file permissions
    PID:3808
- - C:\Windows\SysWOW64\icacls.exe
    "C:\Windows\System32\icacls.exe" "C:\ProgramData\MicrosoftSoftwareDistribution-type3.6.7.1" /inheritance:e /deny "*S-1-5-7:(R,REA,RA,RD)"
    3⤵
    - Modifies file permissions
    PID:4716
- - C:\Windows\SysWOW64\icacls.exe
    "C:\Windows\System32\icacls.exe" "C:\ProgramData\MicrosoftSoftwareDistribution-type3.6.7.1" /inheritance:e /deny "admin:(R,REA,RA,RD)"
    3⤵
    - Modifies file permissions
    PID:3164
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /CREATE /TN "MicrosoftSoftwareDistribution-type3.6.7.1\MicrosoftSoftwareDistribution-type3.6.7.1" /TR "C:\ProgramData\MicrosoftSoftwareDistribution-type3.6.7.1\MicrosoftSoftwareDistribution-type3.6.7.1.exe" /SC MINUTE
    3⤵
    - Creates scheduled task(s)
    PID:2496
- - C:\ProgramData\MicrosoftSoftwareDistribution-type3.6.7.1\MicrosoftSoftwareDistribution-type3.6.7.1.exe
    "C:\ProgramData\MicrosoftSoftwareDistribution-type3.6.7.1\MicrosoftSoftwareDistribution-type3.6.7.1.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:3984

C:\ProgramData\MicrosoftSoftwareDistribution-type3.6.7.1\MicrosoftSoftwareDistribution-type3.6.7.1.exe
C:\ProgramData\MicrosoftSoftwareDistribution-type3.6.7.1\MicrosoftSoftwareDistribution-type3.6.7.1.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:2768

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\MicrosoftSoftwareDistribution-type3.6.7.1\MicrosoftSoftwareDistribution-type3.6.7.1.exe

Filesize
664.2MB

MD5
0c461b2f77ebc24503a7bc7b04c0962e

SHA1
bca3be633f84091540b32cf2be45f53128f5b1bf

SHA256
179e3b264c7a331400bdef1051297aee4844fed6d45415b7221212da7b7403bc

SHA512
3da4c72353ec5de1974c4dbf3fb0d0b3d2aa0108874e96e91133d4e04d2b8591c074b7e221b28324b9cefa7386d2f4ce122c7878015cb86959cd8b31966f971e

Download Submit
C:\ProgramData\MicrosoftSoftwareDistribution-type3.6.7.1\MicrosoftSoftwareDistribution-type3.6.7.1.exe

Filesize
665.2MB

MD5
cd39133933c9676ca6d4971fdb3cf59e

SHA1
a2f046437a425d8e219f6b69500ce4f82fea502c

SHA256
da10d3ce135d299cee59de66f578d35e85455528b63cabd3457ce86493eaccbf

SHA512
5264977dc748e5c575056f96b3c75f187b44abffc58af3378237e4d96db8a2933a44e63f08c689b6c8dedcdb01593aec516fde117e0324709c74fb34345afb3f

Download Submit
C:\ProgramData\MicrosoftSoftwareDistribution-type3.6.7.1\MicrosoftSoftwareDistribution-type3.6.7.1.exe

Filesize
237.8MB

MD5
26b78ed5a678c7da64746147b4a07086

SHA1
02f80c7eca420a41a222edc415360815a93f39c9

SHA256
3764fd56da8b78608b32e4302da653105f2308a4036bf704bd8919d4a255174d

SHA512
b1c4b554080ca2d03b27d6952f4cf2dceae60c3ba8c15017d1f621f5723ac10e422de7cdf3965aac83bbcc70a13490dbf4d1d64c9da4fa4f52b94638224751da

Download Submit
memory/2128-127-0x0000000009700000-0x0000000009710000-memory.dmp

Filesize
64KB

Download
memory/2128-124-0x0000000009940000-0x0000000009E3E000-memory.dmp

Filesize
5.0MB

Download
memory/2128-128-0x0000000009700000-0x0000000009710000-memory.dmp

Filesize
64KB

Download
memory/2128-129-0x0000000009700000-0x0000000009710000-memory.dmp

Filesize
64KB

Download
memory/2128-126-0x0000000009450000-0x000000000945A000-memory.dmp

Filesize
40KB

Download
memory/2128-125-0x00000000094E0000-0x0000000009572000-memory.dmp

Filesize
584KB

Download
memory/2128-117-0x0000000000400000-0x000000000075C000-memory.dmp

Filesize
3.4MB

Download
memory/2768-153-0x00007FF6C7280000-0x00007FF6C779F000-memory.dmp

Filesize
5.1MB

Download
memory/2768-154-0x00007FF6C7280000-0x00007FF6C779F000-memory.dmp

Filesize
5.1MB

Download
memory/2768-155-0x00007FF6C7280000-0x00007FF6C779F000-memory.dmp

Filesize
5.1MB

Download
memory/3984-147-0x00007FF6C7280000-0x00007FF6C779F000-memory.dmp

Filesize
5.1MB

Download
memory/3984-150-0x00007FF6C7280000-0x00007FF6C779F000-memory.dmp

Filesize
5.1MB

Download
memory/3984-151-0x00007FF6C7280000-0x00007FF6C779F000-memory.dmp

Filesize
5.1MB

Download
memory/3984-146-0x00007FF6C7280000-0x00007FF6C779F000-memory.dmp

Filesize
5.1MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads