cc65535243dfd3cd54a9c5ecfcb93c7f918a87c725e9c52925017ab92effe278

Resubmissions

15-10-2024 03:47

241015-ecgjlashrh 10

05-08-2024 04:49

240805-ffygys1eke 10

05-08-2024 03:50

240805-eee4jszepd 10

Analysis

max time kernel
145s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
05-08-2024 03:50

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

1db9ec5678e417eef3d6e080a031c8adfc1fc85127317b952bc33733d93841e0.exe
Size

2.4MB
MD5

84e2bf751724e3b0acc70b67ee1b8e96
SHA1

2e1c9638b022901d67c69ef17c6acd12fd6e493f
SHA256

1db9ec5678e417eef3d6e080a031c8adfc1fc85127317b952bc33733d93841e0
SHA512

56a229897c812cddd7f0b1847cf439f910350aa11138f7165b7c7f697095dfe5ee64e875e4262706c20e7bdbb59a94512386965e83ac9327b0b6967377882aef
SSDEEP

12288:sp4pNfz3ymJnJ8QCFkxCaQTOlPes5Z76k/L/KB8NIpYJTCihq82WFpXKEVFA2MCp:eEtl9mRda12sX7hKB8NIyXbacAfe

Score

10^/10

discovery 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"	HelpMe.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe HelpMe.exe"	1db9ec5678e417eef3d6e080a031c8adfc1fc85127317b952bc33733d93841e0.exe

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

Drops startup file 3 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk	1db9ec5678e417eef3d6e080a031c8adfc1fc85127317b952bc33733d93841e0.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	1db9ec5678e417eef3d6e080a031c8adfc1fc85127317b952bc33733d93841e0.exe

Executes dropped EXE 1 IoCs

pid	Process
3052	HelpMe.exe

Loads dropped DLL 2 IoCs

pid	Process
2432	1db9ec5678e417eef3d6e080a031c8adfc1fc85127317b952bc33733d93841e0.exe
2432	1db9ec5678e417eef3d6e080a031c8adfc1fc85127317b952bc33733d93841e0.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)	\??\P:	1db9ec5678e417eef3d6e080a031c8adfc1fc85127317b952bc33733d93841e0.exe
File opened (read-only)	\??\B:	HelpMe.exe
File opened (read-only)	\??\Q:	HelpMe.exe
File opened (read-only)	\??\W:	HelpMe.exe
File opened (read-only)	\??\X:	1db9ec5678e417eef3d6e080a031c8adfc1fc85127317b952bc33733d93841e0.exe
File opened (read-only)	\??\I:	1db9ec5678e417eef3d6e080a031c8adfc1fc85127317b952bc33733d93841e0.exe
File opened (read-only)	\??\M:	1db9ec5678e417eef3d6e080a031c8adfc1fc85127317b952bc33733d93841e0.exe
File opened (read-only)	\??\N:	1db9ec5678e417eef3d6e080a031c8adfc1fc85127317b952bc33733d93841e0.exe
File opened (read-only)	\??\S:	1db9ec5678e417eef3d6e080a031c8adfc1fc85127317b952bc33733d93841e0.exe
File opened (read-only)	\??\T:	1db9ec5678e417eef3d6e080a031c8adfc1fc85127317b952bc33733d93841e0.exe
File opened (read-only)	\??\V:	1db9ec5678e417eef3d6e080a031c8adfc1fc85127317b952bc33733d93841e0.exe
File opened (read-only)	\??\W:	1db9ec5678e417eef3d6e080a031c8adfc1fc85127317b952bc33733d93841e0.exe
File opened (read-only)	\??\Y:	1db9ec5678e417eef3d6e080a031c8adfc1fc85127317b952bc33733d93841e0.exe
File opened (read-only)	\??\H:	HelpMe.exe
File opened (read-only)	\??\M:	HelpMe.exe
File opened (read-only)	\??\N:	HelpMe.exe
File opened (read-only)	\??\E:	1db9ec5678e417eef3d6e080a031c8adfc1fc85127317b952bc33733d93841e0.exe
File opened (read-only)	\??\O:	1db9ec5678e417eef3d6e080a031c8adfc1fc85127317b952bc33733d93841e0.exe
File opened (read-only)	\??\U:	1db9ec5678e417eef3d6e080a031c8adfc1fc85127317b952bc33733d93841e0.exe
File opened (read-only)	\??\K:	HelpMe.exe
File opened (read-only)	\??\L:	HelpMe.exe
File opened (read-only)	\??\G:	1db9ec5678e417eef3d6e080a031c8adfc1fc85127317b952bc33733d93841e0.exe
File opened (read-only)	\??\Q:	1db9ec5678e417eef3d6e080a031c8adfc1fc85127317b952bc33733d93841e0.exe
File opened (read-only)	\??\U:	HelpMe.exe
File opened (read-only)	\??\X:	HelpMe.exe
File opened (read-only)	\??\R:	1db9ec5678e417eef3d6e080a031c8adfc1fc85127317b952bc33733d93841e0.exe
File opened (read-only)	\??\R:	HelpMe.exe
File opened (read-only)	\??\Z:	HelpMe.exe
File opened (read-only)	\??\K:	1db9ec5678e417eef3d6e080a031c8adfc1fc85127317b952bc33733d93841e0.exe
File opened (read-only)	\??\A:	HelpMe.exe
File opened (read-only)	\??\E:	HelpMe.exe
File opened (read-only)	\??\J:	HelpMe.exe
File opened (read-only)	\??\P:	HelpMe.exe
File opened (read-only)	\??\S:	HelpMe.exe
File opened (read-only)	\??\V:	HelpMe.exe
File opened (read-only)	\??\A:	1db9ec5678e417eef3d6e080a031c8adfc1fc85127317b952bc33733d93841e0.exe
File opened (read-only)	\??\H:	1db9ec5678e417eef3d6e080a031c8adfc1fc85127317b952bc33733d93841e0.exe
File opened (read-only)	\??\L:	1db9ec5678e417eef3d6e080a031c8adfc1fc85127317b952bc33733d93841e0.exe
File opened (read-only)	\??\G:	HelpMe.exe
File opened (read-only)	\??\I:	HelpMe.exe
File opened (read-only)	\??\T:	HelpMe.exe
File opened (read-only)	\??\B:	1db9ec5678e417eef3d6e080a031c8adfc1fc85127317b952bc33733d93841e0.exe
File opened (read-only)	\??\J:	1db9ec5678e417eef3d6e080a031c8adfc1fc85127317b952bc33733d93841e0.exe
File opened (read-only)	\??\Z:	1db9ec5678e417eef3d6e080a031c8adfc1fc85127317b952bc33733d93841e0.exe
File opened (read-only)	\??\O:	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	1db9ec5678e417eef3d6e080a031c8adfc1fc85127317b952bc33733d93841e0.exe
File opened for modification	C:\AUTORUN.INF	1db9ec5678e417eef3d6e080a031c8adfc1fc85127317b952bc33733d93841e0.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	1db9ec5678e417eef3d6e080a031c8adfc1fc85127317b952bc33733d93841e0.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

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1db9ec5678e417eef3d6e080a031c8adfc1fc85127317b952bc33733d93841e0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HelpMe.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2432 wrote to memory of 3052	2432	1db9ec5678e417eef3d6e080a031c8adfc1fc85127317b952bc33733d93841e0.exe	30
PID 2432 wrote to memory of 3052	2432	1db9ec5678e417eef3d6e080a031c8adfc1fc85127317b952bc33733d93841e0.exe	30
PID 2432 wrote to memory of 3052	2432	1db9ec5678e417eef3d6e080a031c8adfc1fc85127317b952bc33733d93841e0.exe	30
PID 2432 wrote to memory of 3052	2432	1db9ec5678e417eef3d6e080a031c8adfc1fc85127317b952bc33733d93841e0.exe	30

C:\Users\Admin\AppData\Local\Temp\1db9ec5678e417eef3d6e080a031c8adfc1fc85127317b952bc33733d93841e0.exe
"C:\Users\Admin\AppData\Local\Temp\1db9ec5678e417eef3d6e080a031c8adfc1fc85127317b952bc33733d93841e0.exe"
1⤵
- Modifies WinLogon for persistence
- Drops startup file
- Loads dropped DLL
- Enumerates connected drives
- Drops autorun.inf file
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2432
- 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
  - System Location Discovery: System Language Discovery
  PID:3052

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Replication Through Removable Media

T1091

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\$Recycle.Bin\S-1-5-21-940600906-3464502421-4240639183-1000\desktop.ini.exe

Filesize
2.4MB

MD5
201b32e2ed7f87fa4d5a699ed9b98550

SHA1
73e8359bcb7bf340718f4317aea19518e7e70111

SHA256
c25aa843e158e4b1abb68ae3c55b889d93c3067401fa1a1daee88a3885f3ba22

SHA512
7200dc7a4ef0f6653a2209e6c6b4be3ba9022afb1818657509c04df6138f6c1e3c3b29c213325597dcaabe7a2661d0279aff02c69a21d768bcae206b910883f0

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

Filesize
1KB

MD5
d5445b45e6c39916cd4fcd8a19006106

SHA1
6fe559334a831268ef9f86153fbb695b5e34b850

SHA256
02521a3f65233ba4f39ce19e6e2feca6a393a1001eedfc329f427864e5138f24

SHA512
be3f15698f8e350253044655a4209caf262179fa0df36664778278a7515c20bf665e5715e16ce1f806a669f4929fdefa7415e5ea0bd0410e1cd603b6736ff1f0

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

Filesize
950B

MD5
dd757a06497aac3ad5bd92ffb3446add

SHA1
05a2d635bdd08d39833bd8cac5ad4e2a771fa7d9

SHA256
7fc177754ba9957e925703122a855a806a97d865f3b2d296b1a585fc3ce54d64

SHA512
3097a1afe47d91d5847c9d47ca0038ee8517fbc3ff61bc53ad29b439e8cc3c5af83612cec9e900810fa10186445ccd29c63c6cb507df0ce69b5a9b0fd319c6c9

Download Submit
F:\AUTORUN.INF

Filesize
145B

MD5
ca13857b2fd3895a39f09d9dde3cca97

SHA1
8b78c5b2ec97c372ebdcef92d14b0998f8dd6dd0

SHA256
cfe448b4506a95b33b529efa88f1ac704d8bdf98a941c065650ead27609318ae

SHA512
55e5b5325968d1e5314527fb2d26012f5aae4a1c38e305417be273400cb1c6d0c22b85bddb501d7a5720a3f53bb5caf6ada8a7894232344c4f6c6ef85d226b47

Download Submit
F:\AutoRun.exe

Filesize
2.4MB

MD5
84e2bf751724e3b0acc70b67ee1b8e96

SHA1
2e1c9638b022901d67c69ef17c6acd12fd6e493f

SHA256
1db9ec5678e417eef3d6e080a031c8adfc1fc85127317b952bc33733d93841e0

SHA512
56a229897c812cddd7f0b1847cf439f910350aa11138f7165b7c7f697095dfe5ee64e875e4262706c20e7bdbb59a94512386965e83ac9327b0b6967377882aef

Download Submit
\Windows\SysWOW64\HelpMe.exe

Filesize
2.4MB

MD5
3186b2fa1bccd38746b3fa55865556ce

SHA1
37c87959085f3f2903592330b8bb745d8917c79f

SHA256
7cdbe203acf89434221c69804bf8bd1e44b413376fbb509301c80a84d73e3ee9

SHA512
81b61776570826a77acba1f44ab6cb5fb64721a8d2848521b8b394b3d957840261becb7bf914ac4e64e8f68f1c4cb2a79280b375f0f63aa1dbde69b926800dcb

Download Submit
memory/2432-9-0x0000000001E00000-0x0000000001E7B000-memory.dmp

Filesize
492KB

Download
memory/2432-0-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/2432-232-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/2432-233-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2432-234-0x0000000001E00000-0x0000000001E7B000-memory.dmp

Filesize
492KB

Download
memory/2432-10-0x0000000001E00000-0x0000000001E7B000-memory.dmp

Filesize
492KB

Download
memory/2432-1-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/3052-14-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/3052-12-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/3052-243-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads