91a370ad9a1fd97ce3d2fa1732f026c3b9c5ad7ef80b310f92b65db41ea63268

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
06/10/2023, 13:01

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe
Size

395KB
MD5

b0d488ccf7300355a469d92244a5090a
SHA1

5d427a6894a822f46138282daa0acbf361a81303
SHA256

91a370ad9a1fd97ce3d2fa1732f026c3b9c5ad7ef80b310f92b65db41ea63268
SHA512

cbb8783e8a90a1dc4ba573f22a079e458a48b23f26b2347da17da2f941ff8ab49ff3332345bae8fe83551c02dec89263fd113c2ba34dcda2cda9f53dcb52ed36
SSDEEP

6144:gdspDeDrxkg/vrMuJIgwhEFHyOrJcX/Pgqwzm5IzkWjS4e4azExBKO1t4Kb70Nqx:G8kxNhOZElO5kkWjhD4AF

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2744	EIN.EXE

Loads dropped DLL 2 IoCs

pid	Process
2388	NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe
2388	NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe

Modifies system executable filetype association 2 TTPs 5 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell	EIN.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open	EIN.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command	NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\QROCJVU.EXE \"%1\" %*"	NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command	EIN.EXE

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\BUPCB.EXE = "C:\\Program Files (x86)\\BUPCB.EXE"	NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe

Enumerates connected drives 3 TTPs 34 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)	\??\E:	NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe
File opened (read-only)	\??\Q:	NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe
File opened (read-only)	\??\G:	EIN.EXE
File opened (read-only)	\??\H:	EIN.EXE
File opened (read-only)	\??\K:	EIN.EXE
File opened (read-only)	\??\L:	EIN.EXE
File opened (read-only)	\??\J:	NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe
File opened (read-only)	\??\E:	EIN.EXE
File opened (read-only)	\??\S:	EIN.EXE
File opened (read-only)	\??\P:	NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe
File opened (read-only)	\??\V:	NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe
File opened (read-only)	\??\R:	EIN.EXE
File opened (read-only)	\??\G:	NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe
File opened (read-only)	\??\T:	NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe
File opened (read-only)	\??\M:	EIN.EXE
File opened (read-only)	\??\T:	EIN.EXE
File opened (read-only)	\??\K:	NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe
File opened (read-only)	\??\L:	NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe
File opened (read-only)	\??\R:	NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe
File opened (read-only)	\??\J:	EIN.EXE
File opened (read-only)	\??\O:	EIN.EXE
File opened (read-only)	\??\M:	NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe
File opened (read-only)	\??\N:	NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe
File opened (read-only)	\??\S:	NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe
File opened (read-only)	\??\I:	EIN.EXE
File opened (read-only)	\??\P:	EIN.EXE
File opened (read-only)	\??\Q:	EIN.EXE
File opened (read-only)	\??\U:	EIN.EXE
File opened (read-only)	\??\V:	EIN.EXE
File opened (read-only)	\??\H:	NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe
File opened (read-only)	\??\I:	NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe
File opened (read-only)	\??\N:	EIN.EXE
File opened (read-only)	\??\O:	NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe
File opened (read-only)	\??\U:	NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\BUPCB.EXE	NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe
File created	C:\Program Files\BZVB.EXE	EIN.EXE
File created	C:\Program Files\MEFU.EXE	EIN.EXE

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\QROCJVU.EXE	NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe
File opened for modification	C:\Windows\QROCJVU.EXE	NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe

Modifies registry class 38 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\chm.file\shell\open	NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile	EIN.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\inifile\shell\open\command	EIN.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\inifile\shell	EIN.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\chm.file	NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell	EIN.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "C:\\$Recycle.Bin\\YZT.EXE %1"	NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\regfile\shell\open\command	NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open	EIN.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\scrfile\shell\open\command	EIN.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open	EIN.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\regfile\shell\open	EIN.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command	NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\inifile\shell\open\command\ = "C:\\Windows\\QROCJVU.EXE %1"	NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\chm.file	EIN.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\chm.file\shell\open	EIN.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\regfile	EIN.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command	EIN.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\chm.file\shell	NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\scrfile\shell\open\command\ = "C:\\$Recycle.Bin\\QOY.EXE \"%1\""	NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell	EIN.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\scrfile\shell\open	EIN.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\inifile\shell\open	EIN.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\chm.file\shell	EIN.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\scrfile	EIN.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\scrfile\shell	EIN.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\regfile\shell	EIN.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\inifile	EIN.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile	EIN.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\regfile\shell\open\command\ = "C:\\$Recycle.Bin\\JDD.EXE \"%1\""	NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\inifile\shell\open\command	NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command	NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command	EIN.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\chm.file\shell\open\command	EIN.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\chm.file\shell\open\command	NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\scrfile\shell\open\command	NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\QROCJVU.EXE \"%1\" %*"	NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\regfile\shell\open\command	EIN.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2388 wrote to memory of 2744	2388	NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe	28
PID 2388 wrote to memory of 2744	2388	NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe	28
PID 2388 wrote to memory of 2744	2388	NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe	28
PID 2388 wrote to memory of 2744	2388	NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.b0d488ccf7300355a469d92244a5090aexe_JC.exe"
1⤵
- Loads dropped DLL
- Modifies system executable filetype association
- Adds Run key to start application
- Enumerates connected drives
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2388
- C:\$Recycle.Bin\EIN.EXE
  C:\$Recycle.Bin\EIN.EXE
  2⤵
  - Executes dropped EXE
  - Modifies system executable filetype association
  - Enumerates connected drives
  - Drops file in Program Files directory
  - Modifies registry class
  PID:2744

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

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\$Recycle.Bin\EIN.EXE

Filesize
395KB

MD5
a3b35adb476bcd04f5e0188d077a01f0

SHA1
1d7a231c48f96f06a192c8d74e5cd5309a685344

SHA256
4f86097b52df44df93efd46205a16449e256287a8104198e89e8d43b06cd38e6

SHA512
3f925dd76517c46fd793eda90274080823ad313cc7f9af59c6f05859767e23b5fe131908d3c21f23654244d004783e921165bc9a232eb248d799af56435d27c2

Download Submit
C:\$Recycle.Bin\EIN.EXE

Filesize
395KB

MD5
a3b35adb476bcd04f5e0188d077a01f0

SHA1
1d7a231c48f96f06a192c8d74e5cd5309a685344

SHA256
4f86097b52df44df93efd46205a16449e256287a8104198e89e8d43b06cd38e6

SHA512
3f925dd76517c46fd793eda90274080823ad313cc7f9af59c6f05859767e23b5fe131908d3c21f23654244d004783e921165bc9a232eb248d799af56435d27c2

Download Submit
C:\$Recycle.Bin\JDD.EXE

Filesize
395KB

MD5
072e658754016e880ab4636329819e97

SHA1
f405b4772fd72de7cba9b583df1f43ddbf624382

SHA256
16ff30cee8177e94e28453b9cdb32e28e87f6d0725c70db9988907698d8f279b

SHA512
2815ba120a58561ba80e6a282a49f71509de3444ac74b4c04a389d0b5955236f4a6885dda1167a875546c60fb0b89aa3155c4e3b81158c4367191d025ca1110a

Download Submit
\$Recycle.Bin\EIN.EXE

Filesize
395KB

MD5
a3b35adb476bcd04f5e0188d077a01f0

SHA1
1d7a231c48f96f06a192c8d74e5cd5309a685344

SHA256
4f86097b52df44df93efd46205a16449e256287a8104198e89e8d43b06cd38e6

SHA512
3f925dd76517c46fd793eda90274080823ad313cc7f9af59c6f05859767e23b5fe131908d3c21f23654244d004783e921165bc9a232eb248d799af56435d27c2

Download Submit
\$Recycle.Bin\EIN.EXE

Filesize
395KB

MD5
a3b35adb476bcd04f5e0188d077a01f0

SHA1
1d7a231c48f96f06a192c8d74e5cd5309a685344

SHA256
4f86097b52df44df93efd46205a16449e256287a8104198e89e8d43b06cd38e6

SHA512
3f925dd76517c46fd793eda90274080823ad313cc7f9af59c6f05859767e23b5fe131908d3c21f23654244d004783e921165bc9a232eb248d799af56435d27c2

Download Submit
memory/2388-0-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2744-26-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads