621730bc11685858a3538cde9eef471c1a55265228554e307ff5cd4d147b62a6

Analysis

max time kernel
146s
max time network
120s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
14/02/2024, 10:01

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General

Target

9b61060eeb9a633b57f05d36dc09a208.exe
Size

3.1MB
MD5

9b61060eeb9a633b57f05d36dc09a208
SHA1

902d25a92b344642a858d3d8d789037d0037395d
SHA256

621730bc11685858a3538cde9eef471c1a55265228554e307ff5cd4d147b62a6
SHA512

05dcc808290429963ad869f9651c8644be6df3b09a6a853275c8690ca8df7d03367752da73fbb59516f31fd0c457f36d242ca7853afe0442a295a9011d232065
SSDEEP

24576:ZMMpXS0hN0V0HZSGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlRXZ+CP63n0Nj:Kwi0L0qkO+2NHm1C

Score

10^/10

aspackv2 persistence ransomware

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe HelpMe.exe"	9b61060eeb9a633b57f05d36dc09a208.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe HelpMe.exe"	HelpMe.exe

Renames multiple (91) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

ASPack v2.12-2.42 3 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral1/files/0x000c000000012242-2.dat	aspack_v212_v242
behavioral1/files/0x00080000000164ad-38.dat	aspack_v212_v242
behavioral1/files/0x0001000000000026-65.dat	aspack_v212_v242

Drops startup file 3 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk	9b61060eeb9a633b57f05d36dc09a208.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk	HelpMe.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk	9b61060eeb9a633b57f05d36dc09a208.exe

Executes dropped EXE 1 IoCs

pid	Process
3016	HelpMe.exe

Loads dropped DLL 2 IoCs

pid	Process
2968	9b61060eeb9a633b57f05d36dc09a208.exe
2968	9b61060eeb9a633b57f05d36dc09a208.exe

Enumerates connected drives 3 TTPs 46 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\I:	9b61060eeb9a633b57f05d36dc09a208.exe
File opened (read-only)	\??\X:	9b61060eeb9a633b57f05d36dc09a208.exe
File opened (read-only)	\??\A:	9b61060eeb9a633b57f05d36dc09a208.exe
File opened (read-only)	\??\M:	9b61060eeb9a633b57f05d36dc09a208.exe
File opened (read-only)	\??\U:	9b61060eeb9a633b57f05d36dc09a208.exe
File opened (read-only)	\??\X:	HelpMe.exe
File opened (read-only)	\??\K:	9b61060eeb9a633b57f05d36dc09a208.exe
File opened (read-only)	\??\T:	9b61060eeb9a633b57f05d36dc09a208.exe
File opened (read-only)	\??\E:	HelpMe.exe
File opened (read-only)	\??\G:	HelpMe.exe
File opened (read-only)	\??\M:	HelpMe.exe
File opened (read-only)	\??\P:	HelpMe.exe
File opened (read-only)	\??\W:	9b61060eeb9a633b57f05d36dc09a208.exe
File opened (read-only)	\??\A:	HelpMe.exe
File opened (read-only)	\??\J:	HelpMe.exe
File opened (read-only)	\??\Z:	HelpMe.exe
File opened (read-only)	\??\V:	9b61060eeb9a633b57f05d36dc09a208.exe
File opened (read-only)	\??\B:	9b61060eeb9a633b57f05d36dc09a208.exe
File opened (read-only)	\??\G:	9b61060eeb9a633b57f05d36dc09a208.exe
File opened (read-only)	\??\H:	9b61060eeb9a633b57f05d36dc09a208.exe
File opened (read-only)	\??\J:	9b61060eeb9a633b57f05d36dc09a208.exe
File opened (read-only)	\??\O:	9b61060eeb9a633b57f05d36dc09a208.exe
File opened (read-only)	\??\R:	9b61060eeb9a633b57f05d36dc09a208.exe
File opened (read-only)	\??\S:	9b61060eeb9a633b57f05d36dc09a208.exe
File opened (read-only)	\??\Z:	9b61060eeb9a633b57f05d36dc09a208.exe
File opened (read-only)	\??\B:	HelpMe.exe
File opened (read-only)	\??\L:	HelpMe.exe
File opened (read-only)	\??\N:	9b61060eeb9a633b57f05d36dc09a208.exe
File opened (read-only)	\??\N:	HelpMe.exe
File opened (read-only)	\??\Q:	HelpMe.exe
File opened (read-only)	\??\S:	HelpMe.exe
File opened (read-only)	\??\T:	HelpMe.exe
File opened (read-only)	\??\W:	HelpMe.exe
File opened (read-only)	\??\L:	9b61060eeb9a633b57f05d36dc09a208.exe
File opened (read-only)	\??\Q:	9b61060eeb9a633b57f05d36dc09a208.exe
File opened (read-only)	\??\Y:	9b61060eeb9a633b57f05d36dc09a208.exe
File opened (read-only)	\??\I:	HelpMe.exe
File opened (read-only)	\??\K:	HelpMe.exe
File opened (read-only)	\??\O:	HelpMe.exe
File opened (read-only)	\??\V:	HelpMe.exe
File opened (read-only)	\??\E:	9b61060eeb9a633b57f05d36dc09a208.exe
File opened (read-only)	\??\P:	9b61060eeb9a633b57f05d36dc09a208.exe
File opened (read-only)	\??\H:	HelpMe.exe
File opened (read-only)	\??\R:	HelpMe.exe
File opened (read-only)	\??\U:	HelpMe.exe
File opened (read-only)	\??\Y:	HelpMe.exe

Drops autorun.inf file 1 TTPs 3 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

description	ioc	Process
File opened for modification	F:\AUTORUN.INF	9b61060eeb9a633b57f05d36dc09a208.exe
File opened for modification	C:\AUTORUN.INF	9b61060eeb9a633b57f05d36dc09a208.exe
File opened for modification	F:\AUTORUN.INF	HelpMe.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\HelpMe.exe	9b61060eeb9a633b57f05d36dc09a208.exe
File created	C:\Windows\SysWOW64\HelpMe.exe	HelpMe.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2968 wrote to memory of 3016	2968	9b61060eeb9a633b57f05d36dc09a208.exe	28
PID 2968 wrote to memory of 3016	2968	9b61060eeb9a633b57f05d36dc09a208.exe	28
PID 2968 wrote to memory of 3016	2968	9b61060eeb9a633b57f05d36dc09a208.exe	28
PID 2968 wrote to memory of 3016	2968	9b61060eeb9a633b57f05d36dc09a208.exe	28

C:\Users\Admin\AppData\Local\Temp\9b61060eeb9a633b57f05d36dc09a208.exe
"C:\Users\Admin\AppData\Local\Temp\9b61060eeb9a633b57f05d36dc09a208.exe"
1⤵
- Modifies WinLogon for persistence
- Drops startup file
- Loads dropped DLL
- Enumerates connected drives
- Drops autorun.inf file
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2968
- C:\Windows\SysWOW64\HelpMe.exe
  C:\Windows\system32\HelpMe.exe
  2⤵
  - Modifies WinLogon for persistence
  - Drops startup file
  - Executes dropped EXE
  - Enumerates connected drives
  - Drops autorun.inf file
  - Drops file in System32 directory
  PID:3016

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

T1091

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Replication Through Removable Media

T1091

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\$Recycle.Bin\S-1-5-21-3601492379-692465709-652514833-1000\desktop.ini.exe

Filesize
3.1MB

MD5
b4c898fd483d62c2ad3d7841cd4d64c4

SHA1
ebeb5ddc4d269b507e89212aac6d371c689ca938

SHA256
a8bb7339454331cdcc27bb5cde4fdc290cf73d7996f0cd0800f4ee24d0171c3e

SHA512
d35d6264346c9a61d4bd16bbe9ed6baf6f57bd358945e9a5a9da6693d2bfe60a3301164559900e94793c5afb7350ac8bbddecb52d6069ea09e81d1ddf82ba0de

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk

Filesize
1KB

MD5
e3f293503886e150d81e7ad83270a7a2

SHA1
373b80ffcfe18c7104557222055bfa9b00253939

SHA256
203b2fef735a746a07c828f72d741ed9c56d31efcea3392f9d2c9146fdfca72b

SHA512
c64b29c4c6ca23d6767adfb02cf9acdacf7dbc011be4a307c393689925387bc7b48c4586f24dc1840c8a508d302f3d74fc693753c2c973733e3917078dc75802

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk

Filesize
950B

MD5
eadaed759705e96d834efbffdeae6ed7

SHA1
8f3ea241c8917d955862836773148139f880c23c

SHA256
daa14a95ab786e297cb8a193c197e41a7f2809f005d0ec7a6a554bcfd202b4bc

SHA512
d73211e27d7cee13d0e92a99308a8805d69d232f5d1adf3750f40a543684781ab36e69331746967b0b9ebc67cfa574a4202d9b9f4cc5624484140f0810bdce55

Download Submit
F:\AUTORUN.INF

Filesize
145B

MD5
ca13857b2fd3895a39f09d9dde3cca97

SHA1
8b78c5b2ec97c372ebdcef92d14b0998f8dd6dd0

SHA256
cfe448b4506a95b33b529efa88f1ac704d8bdf98a941c065650ead27609318ae

SHA512
55e5b5325968d1e5314527fb2d26012f5aae4a1c38e305417be273400cb1c6d0c22b85bddb501d7a5720a3f53bb5caf6ada8a7894232344c4f6c6ef85d226b47

Download Submit
F:\AutoRun.exe

Filesize
3.1MB

MD5
9b61060eeb9a633b57f05d36dc09a208

SHA1
902d25a92b344642a858d3d8d789037d0037395d

SHA256
621730bc11685858a3538cde9eef471c1a55265228554e307ff5cd4d147b62a6

SHA512
05dcc808290429963ad869f9651c8644be6df3b09a6a853275c8690ca8df7d03367752da73fbb59516f31fd0c457f36d242ca7853afe0442a295a9011d232065

Download Submit
\Windows\SysWOW64\HelpMe.exe

Filesize
2.9MB

MD5
384ab83d8ed3c45c36d60d29741464eb

SHA1
2597285c83a7c9d358c939fc5a8ef06e5cc57583

SHA256
eb53033b855dab1f328d6d188fda583a6e6c1e06527eb8cf755a253df2f4cf32

SHA512
3bce8af44e0bdc91c275494750ed691ca5608c099057d7d79058c0d6f3cf391933f6dcdd00e726af91889d9a4ec94b10e8f9dda31fb6ee0a81289acd680c9015

Download Submit
memory/2968-336-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2968-270-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2968-224-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2968-0-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2968-238-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2968-350-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2968-360-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2968-258-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2968-248-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2968-330-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2968-298-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2968-320-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2968-280-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2968-310-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2968-290-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3016-229-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3016-291-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3016-299-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3016-281-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3016-311-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3016-271-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3016-321-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3016-259-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3016-331-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3016-249-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3016-337-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3016-239-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3016-351-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3016-9-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/3016-361-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads