e8b6ebf0d66d4a9b0d15d08bb88353dced374bad9113d5595c00ba270853f8f8

General

Target

e8b6ebf0d66d4a9b0d15d08bb88353dced374bad9113d5595c00ba270853f8f8.exe
Size

3.3MB
MD5

e9865c0cab1852f3c71aaa95ee93569e
SHA1

52a7b9ab1dba3a1ccb25cf878ca65e9c10d86e7c
SHA256

e8b6ebf0d66d4a9b0d15d08bb88353dced374bad9113d5595c00ba270853f8f8
SHA512

4d92f74a3c4e591fd8cc040961a290fb6b81abd7d5bde165fa21f4ef2291176440d10b3e559474d0e9ea1b5cb0a83e9af7790187d6b8036ab011060ca0c1dd15

Score

10^/10

aspackv2 persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

HelpMe.exe

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

ASPack v2.12-2.42 5 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

Processes:

resource	yara_rule
\Windows\SysWOW64\HelpMe.exe	aspack_v212_v242
\Windows\SysWOW64\HelpMe.exe	aspack_v212_v242
C:\Windows\SysWOW64\HelpMe.exe	aspack_v212_v242
C:\Windows\SysWOW64\HelpMe.exe	aspack_v212_v242
C:\$Recycle.Bin\S-1-5-21-2513283230-931923277-594887482-1000\desktop.ini.exe	aspack_v212_v242

Executes dropped EXE 1 IoCs

Processes:

HelpMe.exe

pid process

1796 HelpMe.exe

pid	process
1796	HelpMe.exe

Drops startup file 2 IoCs

Processes:

HelpMe.exe

description	ioc	process
File created	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	HelpMe.exe

Loads dropped DLL 2 IoCs

Processes:

e8b6ebf0d66d4a9b0d15d08bb88353dced374bad9113d5595c00ba270853f8f8.exe

pid	process
1748	e8b6ebf0d66d4a9b0d15d08bb88353dced374bad9113d5595c00ba270853f8f8.exe
1748	e8b6ebf0d66d4a9b0d15d08bb88353dced374bad9113d5595c00ba270853f8f8.exe

Enumerates connected drives 3 TTPs 24 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

Processes:

HelpMe.exe

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

Drops autorun.inf file 1 TTPs
Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media
T1091

Drops file in System32 directory 4 IoCs

Processes:

e8b6ebf0d66d4a9b0d15d08bb88353dced374bad9113d5595c00ba270853f8f8.exeHelpMe.exe

description	ioc	process
File created	C:\Windows\SysWOW64\HelpMe.exe	e8b6ebf0d66d4a9b0d15d08bb88353dced374bad9113d5595c00ba270853f8f8.exe
File created	C:\Windows\SysWOW64\HelpMe.exe	HelpMe.exe
File opened for modification	C:\Windows\SysWOW64\HelpMe.exe	e8b6ebf0d66d4a9b0d15d08bb88353dced374bad9113d5595c00ba270853f8f8.exe
File created	C:\Windows\SysWOW64\notepad.exe.exe	e8b6ebf0d66d4a9b0d15d08bb88353dced374bad9113d5595c00ba270853f8f8.exe

Drops file in Program Files directory 1 IoCs

Processes:

e8b6ebf0d66d4a9b0d15d08bb88353dced374bad9113d5595c00ba270853f8f8.exe

description	ioc	process
File created	C:\Program Files (x86)\Internet Explorer\iexplore.exe.exe	e8b6ebf0d66d4a9b0d15d08bb88353dced374bad9113d5595c00ba270853f8f8.exe

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

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

e8b6ebf0d66d4a9b0d15d08bb88353dced374bad9113d5595c00ba270853f8f8.exe

pid process

1748 e8b6ebf0d66d4a9b0d15d08bb88353dced374bad9113d5595c00ba270853f8f8.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

e8b6ebf0d66d4a9b0d15d08bb88353dced374bad9113d5595c00ba270853f8f8.exe

description	pid	process	target process
PID 1748 wrote to memory of 1796	1748	e8b6ebf0d66d4a9b0d15d08bb88353dced374bad9113d5595c00ba270853f8f8.exe	HelpMe.exe
PID 1748 wrote to memory of 1796	1748	e8b6ebf0d66d4a9b0d15d08bb88353dced374bad9113d5595c00ba270853f8f8.exe	HelpMe.exe
PID 1748 wrote to memory of 1796	1748	e8b6ebf0d66d4a9b0d15d08bb88353dced374bad9113d5595c00ba270853f8f8.exe	HelpMe.exe
PID 1748 wrote to memory of 1796	1748	e8b6ebf0d66d4a9b0d15d08bb88353dced374bad9113d5595c00ba270853f8f8.exe	HelpMe.exe

C:\Users\Admin\AppData\Local\Temp\e8b6ebf0d66d4a9b0d15d08bb88353dced374bad9113d5595c00ba270853f8f8.exe
"C:\Users\Admin\AppData\Local\Temp\e8b6ebf0d66d4a9b0d15d08bb88353dced374bad9113d5595c00ba270853f8f8.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1748

C:\Windows\SysWOW64\HelpMe.exe
C:\Windows\system32\HelpMe.exe
2⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Drops startup file
- Enumerates connected drives
- Drops file in System32 directory
PID:1796

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Replication Through Removable Media

1

T1091

Execution

Persistence

Winlogon Helper DLL

1

T1004

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

2

T1082

Lateral Movement

Replication Through Removable Media

1

T1091

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\$Recycle.Bin\S-1-5-21-2513283230-931923277-594887482-1000\desktop.ini.exe
MD5
c16945d93302098c2e8224667f9502a1

SHA1
dc797e80e48932e147fd398133f5113b17bb8567

SHA256
85f4a9ef83841f249d255520b1ddef45fa579304897a838f4c32a9b7ac6baf6c

SHA512
74d90e6fbfb6ebeaa350c7400511e45c32e174a8513db48b2a5ca5fdf6bc583f7bfeaed7d66b1e57b5c47f4a6f15343bd85595b29a7d56e5ab79c09ae944118e

Download Submit
C:\Windows\SysWOW64\HelpMe.exe
MD5
2ad6debbfe83736d5daec29c1665e66a

SHA1
d363121edf8ff81e585f9d2b5786bf697280afa9

SHA256
95a0f0c116d51a6c371e52b4f22b9775d10f9fef69aceadb981ca2c53101591a

SHA512
91ea5169508df3de2281aa977881a59a78e99ab32084b4758ef2ea55a25a38ad75c68d2f1aa240b6e31bf310f827de6e0424b26149a9256fada9393e6dd4f80e

Download Submit
C:\Windows\SysWOW64\HelpMe.exe
MD5
2ad6debbfe83736d5daec29c1665e66a

SHA1
d363121edf8ff81e585f9d2b5786bf697280afa9

SHA256
95a0f0c116d51a6c371e52b4f22b9775d10f9fef69aceadb981ca2c53101591a

SHA512
91ea5169508df3de2281aa977881a59a78e99ab32084b4758ef2ea55a25a38ad75c68d2f1aa240b6e31bf310f827de6e0424b26149a9256fada9393e6dd4f80e

Download Submit
\Windows\SysWOW64\HelpMe.exe
MD5
2ad6debbfe83736d5daec29c1665e66a

SHA1
d363121edf8ff81e585f9d2b5786bf697280afa9

SHA256
95a0f0c116d51a6c371e52b4f22b9775d10f9fef69aceadb981ca2c53101591a

SHA512
91ea5169508df3de2281aa977881a59a78e99ab32084b4758ef2ea55a25a38ad75c68d2f1aa240b6e31bf310f827de6e0424b26149a9256fada9393e6dd4f80e

Download Submit
\Windows\SysWOW64\HelpMe.exe
MD5
2ad6debbfe83736d5daec29c1665e66a

SHA1
d363121edf8ff81e585f9d2b5786bf697280afa9

SHA256
95a0f0c116d51a6c371e52b4f22b9775d10f9fef69aceadb981ca2c53101591a

SHA512
91ea5169508df3de2281aa977881a59a78e99ab32084b4758ef2ea55a25a38ad75c68d2f1aa240b6e31bf310f827de6e0424b26149a9256fada9393e6dd4f80e

Download Submit
memory/1748-60-0x00000000757E1000-0x00000000757E3000-memory.dmp

Filesize
8KB

Download
memory/1748-67-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1796-63-0x0000000000000000-mapping.dmp

Download
memory/1796-68-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads