e83a20afdd99827c96d617019f47d524528915d1bbbc93b873ea238857b8a4d6

Analysis

max time kernel
185s
max time network
197s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
04-12-2022 13:00

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General

Target

e83a20afdd99827c96d617019f47d524528915d1bbbc93b873ea238857b8a4d6.exe
Size

57KB
MD5

97fa0cb99d0ab911492d02e956c4778a
SHA1

f76a5d3fd18201ea3eea15e5ede961aa5c220bae
SHA256

e83a20afdd99827c96d617019f47d524528915d1bbbc93b873ea238857b8a4d6
SHA512

76f3bc8e57c555ba230d226f5000d816fe3a4b43f8c71b962dcee01902882bd129749e4dd9653759310285a8666dbeae3cc4512fc0db753ca97e85b759e17d24
SSDEEP

384:TLGZuBvydGoFpsiCPbVeXMjBho3q0EPow2/fD+k/zQKt+P82drSETh/Bat33NvJW:TLVonGPpe683q00GamZt+BrSEja9dhZ0

Score

10^/10

evasion upx

Malware Config

Signatures

Modifies firewall policy service 2 TTPs 4 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	e83a20afdd99827c96d617019f47d524528915d1bbbc93b873ea238857b8a4d6.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	e83a20afdd99827c96d617019f47d524528915d1bbbc93b873ea238857b8a4d6.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	e83a20afdd99827c96d617019f47d524528915d1bbbc93b873ea238857b8a4d6.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Local\Temp\e83a20afdd99827c96d617019f47d524528915d1bbbc93b873ea238857b8a4d6.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e83a20afdd99827c96d617019f47d524528915d1bbbc93b873ea238857b8a4d6.exe:*:Enabled:ldrsoft"	e83a20afdd99827c96d617019f47d524528915d1bbbc93b873ea238857b8a4d6.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/816-132-0x0000000000400000-0x000000000141F000-memory.dmp	upx
behavioral2/memory/816-133-0x0000000000400000-0x000000000141F000-memory.dmp	upx
behavioral2/memory/816-136-0x0000000000400000-0x000000000141F000-memory.dmp	upx

Checks BIOS information in registry 2 TTPs 1 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	e83a20afdd99827c96d617019f47d524528915d1bbbc93b873ea238857b8a4d6.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 816 wrote to memory of 2484	816	e83a20afdd99827c96d617019f47d524528915d1bbbc93b873ea238857b8a4d6.exe	80
PID 816 wrote to memory of 2484	816	e83a20afdd99827c96d617019f47d524528915d1bbbc93b873ea238857b8a4d6.exe	80
PID 816 wrote to memory of 2484	816	e83a20afdd99827c96d617019f47d524528915d1bbbc93b873ea238857b8a4d6.exe	80

C:\Users\Admin\AppData\Local\Temp\e83a20afdd99827c96d617019f47d524528915d1bbbc93b873ea238857b8a4d6.exe
"C:\Users\Admin\AppData\Local\Temp\e83a20afdd99827c96d617019f47d524528915d1bbbc93b873ea238857b8a4d6.exe"
1⤵
- Modifies firewall policy service
- Checks BIOS information in registry
- Suspicious use of WriteProcessMemory
PID:816
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\E83A20~1.EXE00.bat
  2⤵
  PID:2484

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\E83A20~1.EXE00.bat

Filesize
192B

MD5
974bb6dfcde4bcd65689780993dc7e3e

SHA1
419641cbfa6d59b82ba2afc532e508e25d59976b

SHA256
e55ad854f214042254a2022e8d1317a6ff9db701afaf4cd91b92f5141ffd360c

SHA512
16b4763c6667283d79476ae3d45db0da529da32395c3f44327e3b11fe295f874499250552ebcd5ea6d7917361cf64fad2b851048880a6f6552d7ad1178e350a0

Download Submit
memory/816-132-0x0000000000400000-0x000000000141F000-memory.dmp

Filesize
16.1MB

Download
memory/816-133-0x0000000000400000-0x000000000141F000-memory.dmp

Filesize
16.1MB

Download
memory/816-136-0x0000000000400000-0x000000000141F000-memory.dmp

Filesize
16.1MB

Download
memory/2484-134-0x0000000000000000-mapping.dmp

Download