eb1dc9243a93a4f3a07b9e61346c6a4590af8880c58c9a4f7c01318e551fc78c

Analysis

max time kernel
149s
max time network
174s
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, 12:37

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General

Target

eb1dc9243a93a4f3a07b9e61346c6a4590af8880c58c9a4f7c01318e551fc78c.exe
Size

67KB
MD5

9781c0d88fbe8e926ac1d14667df86ba
SHA1

37b0faf9c9f0c02168ec856fb41aa6c025d24a62
SHA256

eb1dc9243a93a4f3a07b9e61346c6a4590af8880c58c9a4f7c01318e551fc78c
SHA512

50e4e1d3a7fc620c1d5a18b338b73a5604681fff67be361fb95b412b55570cbe3db8618cafb415f2943fa71a33023429d28d4a1a2a080adad244fb59306a31aa
SSDEEP

1536:QDDP9mxootRIvE0uBPNn2dBxbeDtu+SnHGLQPRHeJVCZNyV:QdmxvYM0u1NnKBMD0+SHCFV4yV

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	eb1dc9243a93a4f3a07b9e61346c6a4590af8880c58c9a4f7c01318e551fc78c.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	eb1dc9243a93a4f3a07b9e61346c6a4590af8880c58c9a4f7c01318e551fc78c.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	eb1dc9243a93a4f3a07b9e61346c6a4590af8880c58c9a4f7c01318e551fc78c.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Local\Temp\eb1dc9243a93a4f3a07b9e61346c6a4590af8880c58c9a4f7c01318e551fc78c.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\eb1dc9243a93a4f3a07b9e61346c6a4590af8880c58c9a4f7c01318e551fc78c.exe:*:Enabled:ldrsoft"	eb1dc9243a93a4f3a07b9e61346c6a4590af8880c58c9a4f7c01318e551fc78c.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/836-133-0x0000000000400000-0x00000000015FB000-memory.dmp	upx
behavioral2/memory/836-132-0x0000000000400000-0x00000000015FB000-memory.dmp	upx
behavioral2/memory/836-134-0x0000000000400000-0x00000000015FB000-memory.dmp	upx
behavioral2/memory/836-137-0x0000000000400000-0x00000000015FB000-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	eb1dc9243a93a4f3a07b9e61346c6a4590af8880c58c9a4f7c01318e551fc78c.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 836 wrote to memory of 636	836	eb1dc9243a93a4f3a07b9e61346c6a4590af8880c58c9a4f7c01318e551fc78c.exe	83
PID 836 wrote to memory of 636	836	eb1dc9243a93a4f3a07b9e61346c6a4590af8880c58c9a4f7c01318e551fc78c.exe	83
PID 836 wrote to memory of 636	836	eb1dc9243a93a4f3a07b9e61346c6a4590af8880c58c9a4f7c01318e551fc78c.exe	83

C:\Users\Admin\AppData\Local\Temp\eb1dc9243a93a4f3a07b9e61346c6a4590af8880c58c9a4f7c01318e551fc78c.exe
"C:\Users\Admin\AppData\Local\Temp\eb1dc9243a93a4f3a07b9e61346c6a4590af8880c58c9a4f7c01318e551fc78c.exe"
1⤵
- Modifies firewall policy service
- Checks BIOS information in registry
- Suspicious use of WriteProcessMemory
PID:836
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\EB1DC9~1.EXE00.bat
  2⤵
  PID:636

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\EB1DC9~1.EXE00.bat

Filesize
192B

MD5
9fa9bb0a6c98c02c509f46f95e4ba6aa

SHA1
e488aad0a62feca353f3eabd38906b9b1c6d41c1

SHA256
c05ff916609fdc183db320028941f4a21ac99e910609f27f31c2e67535f3d64d

SHA512
86d9cbac21be082a23acc1249e9eb9b970dad6afa52048d766776e0157d4630857aa5783ab0f799eceee9d5c44679b86516770e84e3a719196c3c41daa86e8b5

Download Submit
memory/836-133-0x0000000000400000-0x00000000015FB000-memory.dmp

Filesize
18.0MB

Download
memory/836-132-0x0000000000400000-0x00000000015FB000-memory.dmp

Filesize
18.0MB

Download
memory/836-134-0x0000000000400000-0x00000000015FB000-memory.dmp

Filesize
18.0MB

Download
memory/836-137-0x0000000000400000-0x00000000015FB000-memory.dmp

Filesize
18.0MB

Download