fc79578491fc873a67d446cc6f7cc4df92c589516e2c7bc7b2d418823838d97c

General

Target

fc79578491fc873a67d446cc6f7cc4df92c589516e2c7bc7b2d418823838d97c.exe
Size

3.4MB
MD5

c15dcae56336f681ea1dd5aad33bb62b
SHA1

dec7bdfc4c06c2f1475e9159916da6fd05c7fc36
SHA256

fc79578491fc873a67d446cc6f7cc4df92c589516e2c7bc7b2d418823838d97c
SHA512

4e799450778e10b009e9e81771537b24d05a52cc6799ec869e46327f07b0d68acd478156c4370947aac11e55f69483f422c3f5a00baa878588001fe10c8e2e7b
SSDEEP

49152:onrbOKMFrJmsf6/HAv4fVCnoYcNmCCyQaxfrLkWUhsZz2RNRenjqc4i3PHkVgXIf:YaEU6/HWQ4noYOCtapQX9ejqcT3/SgYf

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__	SoftwareDistributionMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type5.8.2.5.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	SoftwareDistributionMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type5.8.2.5.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	SoftwareDistributionMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type5.8.2.5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	SoftwareDistributionMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type5.8.2.5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	SoftwareDistributionMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type5.8.2.5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	SoftwareDistributionMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type5.8.2.5.exe

Executes dropped EXE 2 IoCs

pid	Process
4748	SoftwareDistributionMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type5.8.2.5.exe
2644	SoftwareDistributionMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type5.8.2.5.exe

Modifies file permissions 1 TTPs 3 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1568	icacls.exe
4392	icacls.exe
3880	icacls.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000900000001aea6-146.dat	upx
behavioral2/files/0x000900000001aea6-147.dat	upx
behavioral2/memory/4748-148-0x00007FF62FE90000-0x00007FF6303AF000-memory.dmp	upx
behavioral2/memory/4748-149-0x00007FF62FE90000-0x00007FF6303AF000-memory.dmp	upx
behavioral2/memory/4748-152-0x00007FF62FE90000-0x00007FF6303AF000-memory.dmp	upx
behavioral2/memory/4748-153-0x00007FF62FE90000-0x00007FF6303AF000-memory.dmp	upx
behavioral2/files/0x000900000001aea6-154.dat	upx
behavioral2/memory/2644-155-0x00007FF62FE90000-0x00007FF6303AF000-memory.dmp	upx
behavioral2/memory/2644-156-0x00007FF62FE90000-0x00007FF6303AF000-memory.dmp	upx
behavioral2/memory/2644-157-0x00007FF62FE90000-0x00007FF6303AF000-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	SoftwareDistributionMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type5.8.2.5.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	SoftwareDistributionMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type5.8.2.5.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3480 set thread context of 3444	3480	fc79578491fc873a67d446cc6f7cc4df92c589516e2c7bc7b2d418823838d97c.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
3608	schtasks.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3480 wrote to memory of 3444	3480	fc79578491fc873a67d446cc6f7cc4df92c589516e2c7bc7b2d418823838d97c.exe	67
PID 3480 wrote to memory of 3444	3480	fc79578491fc873a67d446cc6f7cc4df92c589516e2c7bc7b2d418823838d97c.exe	67
PID 3480 wrote to memory of 3444	3480	fc79578491fc873a67d446cc6f7cc4df92c589516e2c7bc7b2d418823838d97c.exe	67
PID 3480 wrote to memory of 3444	3480	fc79578491fc873a67d446cc6f7cc4df92c589516e2c7bc7b2d418823838d97c.exe	67
PID 3480 wrote to memory of 3444	3480	fc79578491fc873a67d446cc6f7cc4df92c589516e2c7bc7b2d418823838d97c.exe	67
PID 3444 wrote to memory of 3880	3444	AppLaunch.exe	68
PID 3444 wrote to memory of 3880	3444	AppLaunch.exe	68
PID 3444 wrote to memory of 3880	3444	AppLaunch.exe	68
PID 3444 wrote to memory of 1568	3444	AppLaunch.exe	69
PID 3444 wrote to memory of 1568	3444	AppLaunch.exe	69
PID 3444 wrote to memory of 1568	3444	AppLaunch.exe	69
PID 3444 wrote to memory of 4392	3444	AppLaunch.exe	71
PID 3444 wrote to memory of 4392	3444	AppLaunch.exe	71
PID 3444 wrote to memory of 4392	3444	AppLaunch.exe	71
PID 3444 wrote to memory of 3608	3444	AppLaunch.exe	74
PID 3444 wrote to memory of 3608	3444	AppLaunch.exe	74
PID 3444 wrote to memory of 3608	3444	AppLaunch.exe	74
PID 3444 wrote to memory of 4748	3444	AppLaunch.exe	76
PID 3444 wrote to memory of 4748	3444	AppLaunch.exe	76

C:\Users\Admin\AppData\Local\Temp\fc79578491fc873a67d446cc6f7cc4df92c589516e2c7bc7b2d418823838d97c.exe
"C:\Users\Admin\AppData\Local\Temp\fc79578491fc873a67d446cc6f7cc4df92c589516e2c7bc7b2d418823838d97c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3480
- 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:3444
- - C:\Windows\SysWOW64\icacls.exe
    "C:\Windows\System32\icacls.exe" "C:\ProgramData\SoftwareDistributionMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type5.8.2.5" /inheritance:e /deny "*S-1-1-0:(R,REA,RA,RD)"
    3⤵
    - Modifies file permissions
    PID:3880
- - C:\Windows\SysWOW64\icacls.exe
    "C:\Windows\System32\icacls.exe" "C:\ProgramData\SoftwareDistributionMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type5.8.2.5" /inheritance:e /deny "*S-1-5-7:(R,REA,RA,RD)"
    3⤵
    - Modifies file permissions
    PID:1568
- - C:\Windows\SysWOW64\icacls.exe
    "C:\Windows\System32\icacls.exe" "C:\ProgramData\SoftwareDistributionMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type5.8.2.5" /inheritance:e /deny "admin:(R,REA,RA,RD)"
    3⤵
    - Modifies file permissions
    PID:4392
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /CREATE /TN "SoftwareDistributionMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type5.8.2.5\SoftwareDistributionMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type5.8.2.5" /TR "C:\ProgramData\SoftwareDistributionMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type5.8.2.5\SoftwareDistributionMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type5.8.2.5.exe" /SC MINUTE
    3⤵
    - Creates scheduled task(s)
    PID:3608
- - C:\ProgramData\SoftwareDistributionMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type5.8.2.5\SoftwareDistributionMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type5.8.2.5.exe
    "C:\ProgramData\SoftwareDistributionMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type5.8.2.5\SoftwareDistributionMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type5.8.2.5.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:4748

C:\ProgramData\SoftwareDistributionMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type5.8.2.5\SoftwareDistributionMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type5.8.2.5.exe
C:\ProgramData\SoftwareDistributionMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type5.8.2.5\SoftwareDistributionMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type5.8.2.5.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:2644

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

Replay Monitor

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Downloads

C:\ProgramData\SoftwareDistributionMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type5.8.2.5\SoftwareDistributionMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type5.8.2.5.exe

Filesize
752.7MB

MD5
deaedc65a305e02d259a70b7c7c3a407

SHA1
5504d605402e8043ff3364c380b75465b527c5a3

SHA256
8ed46f36498fcf9cd95ec947069ed0d813265d49ee12b8720549c19135b72184

SHA512
74ff773cf3065b18b3d7cb323996d3024044f19325d49fd5767a7e68352c78ebbfe03eeb5a6c095812b06934ee0f7fc1d26d7e1a5132c15451891d962f5c4957

Download Submit
C:\ProgramData\SoftwareDistributionMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type5.8.2.5\SoftwareDistributionMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type5.8.2.5.exe

Filesize
752.7MB

MD5
deaedc65a305e02d259a70b7c7c3a407

SHA1
5504d605402e8043ff3364c380b75465b527c5a3

SHA256
8ed46f36498fcf9cd95ec947069ed0d813265d49ee12b8720549c19135b72184

SHA512
74ff773cf3065b18b3d7cb323996d3024044f19325d49fd5767a7e68352c78ebbfe03eeb5a6c095812b06934ee0f7fc1d26d7e1a5132c15451891d962f5c4957

Download Submit
C:\ProgramData\SoftwareDistributionMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type5.8.2.5\SoftwareDistributionMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type5.8.2.5.exe

Filesize
752.7MB

MD5
deaedc65a305e02d259a70b7c7c3a407

SHA1
5504d605402e8043ff3364c380b75465b527c5a3

SHA256
8ed46f36498fcf9cd95ec947069ed0d813265d49ee12b8720549c19135b72184

SHA512
74ff773cf3065b18b3d7cb323996d3024044f19325d49fd5767a7e68352c78ebbfe03eeb5a6c095812b06934ee0f7fc1d26d7e1a5132c15451891d962f5c4957

Download Submit
memory/2644-157-0x00007FF62FE90000-0x00007FF6303AF000-memory.dmp

Filesize
5.1MB

Download
memory/2644-156-0x00007FF62FE90000-0x00007FF6303AF000-memory.dmp

Filesize
5.1MB

Download
memory/2644-155-0x00007FF62FE90000-0x00007FF6303AF000-memory.dmp

Filesize
5.1MB

Download
memory/3444-128-0x0000000009820000-0x000000000982A000-memory.dmp

Filesize
40KB

Download
memory/3444-131-0x0000000009AD0000-0x0000000009AE0000-memory.dmp

Filesize
64KB

Download
memory/3444-130-0x0000000009AD0000-0x0000000009AE0000-memory.dmp

Filesize
64KB

Download
memory/3444-129-0x0000000009AD0000-0x0000000009AE0000-memory.dmp

Filesize
64KB

Download
memory/3444-118-0x0000000000400000-0x000000000075C000-memory.dmp

Filesize
3.4MB

Download
memory/3444-127-0x0000000009AD0000-0x0000000009AE0000-memory.dmp

Filesize
64KB

Download
memory/3444-126-0x0000000009890000-0x0000000009922000-memory.dmp

Filesize
584KB

Download
memory/3444-125-0x0000000009D90000-0x000000000A28E000-memory.dmp

Filesize
5.0MB

Download
memory/4748-148-0x00007FF62FE90000-0x00007FF6303AF000-memory.dmp

Filesize
5.1MB

Download
memory/4748-149-0x00007FF62FE90000-0x00007FF6303AF000-memory.dmp

Filesize
5.1MB

Download
memory/4748-152-0x00007FF62FE90000-0x00007FF6303AF000-memory.dmp

Filesize
5.1MB

Download
memory/4748-153-0x00007FF62FE90000-0x00007FF6303AF000-memory.dmp

Filesize
5.1MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads