73c6da25ccc05c26bca7428906bd03dc47677b6c183cd695d42e5602627918ad

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2024, 02:14

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General

Target

87b99ff1cc15db53fe36125c20729ecb.exe
Size

62KB
MD5

87b99ff1cc15db53fe36125c20729ecb
SHA1

79a8af0126179cec876a1d13459a5f2f44c920b6
SHA256

73c6da25ccc05c26bca7428906bd03dc47677b6c183cd695d42e5602627918ad
SHA512

23a2f974d16c9f0fbf1029fccf1e2ff888b0b7fd05880503f2f179cbe075afb5ed9fe39c4d216cf6c59ef0a5da32199e0c3d1cde642d0715a54bf30e51a14954
SSDEEP

1536:iLbkc+dPeViOeZx/GtEqW+uPSLKulcx+H52:ivkc+dPeViNZS6lKL7M+H52

Score

8^/10

persistence

Malware Config

Signatures

Sets DLL path for service in the registry 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet003\Services\Autom\Parameters\ServiceDll = "%SystemRoot%\\System32\\fpurgh.dll"	87b99ff1cc15db53fe36125c20729ecb.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Autom\Parameters\ServiceDll = "%SystemRoot%\\System32\\fpurgh.dll"	87b99ff1cc15db53fe36125c20729ecb.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\Autom\Parameters\ServiceDll = "%SystemRoot%\\System32\\fpurgh.dll"	87b99ff1cc15db53fe36125c20729ecb.exe

Deletes itself 1 IoCs

pid	Process
548	svchost.exe

Loads dropped DLL 2 IoCs

pid	Process
1340	87b99ff1cc15db53fe36125c20729ecb.exe
548	svchost.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\0004be5f.sys	87b99ff1cc15db53fe36125c20729ecb.exe
File created	C:\Windows\SysWOW64\fpurgh.dll	87b99ff1cc15db53fe36125c20729ecb.exe

C:\Users\Admin\AppData\Local\Temp\87b99ff1cc15db53fe36125c20729ecb.exe
"C:\Users\Admin\AppData\Local\Temp\87b99ff1cc15db53fe36125c20729ecb.exe"
1⤵
- Sets DLL path for service in the registry
- Loads dropped DLL
- Drops file in System32 directory
PID:1340

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k Autom
1⤵
- Deletes itself
- Loads dropped DLL
PID:548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\fpurgh.dll

Filesize
87KB

MD5
4ccd8f0d339c709cc5fd158f8024aab0

SHA1
73050491add825a4e12c2337ac77f85b9bdbcfbe

SHA256
595ff2ffb35bab6c24ec6a78cc247da8ee14e6db1effc8d2fba6339ac08c5ff1

SHA512
e1954f687446aeedbf7de435e38f39a754e2f39f73aed955eb3903f176219c5d0348f74136d505f8482bd4daaa5e3a85200fc13660d8a2fec891614ea7687bdf

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads