9c95af3438367b4cbeaa16cce6ed6ff8e407db48de3ab75021b6982867f7a2c3

General

Target

NEAS.830769424deb6aa84ef75bc8dcb63e10.exe
Size

487KB
MD5

830769424deb6aa84ef75bc8dcb63e10
SHA1

64c937f287281c65cd13f9c49cd9b98f29641f51
SHA256

9c95af3438367b4cbeaa16cce6ed6ff8e407db48de3ab75021b6982867f7a2c3
SHA512

f9dba984c9dbae2615e970c48de9f8f6ef3a59f57977b6fe2c2e0e236b57ca88801e0f72eb6a8f69c040bfd41e96f4dd0c6793e6a37f0774fe6f8318ca89be4d
SSDEEP

6144:QdspDeDrxkg/vrMuJIgwhEFHyOrJcX/Pgqwzm5IzkWjS4e4azExBKO1t4Kb70NqT:28kxNhOZElO5kkWjhD4AOj5lG

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2724	FILV.EXE

Loads dropped DLL 2 IoCs

pid	Process
2108	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe
2108	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe

Modifies system executable filetype association 2 TTPs 3 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command	FILV.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\NVRQSOO.EXE \"%1\" %*"	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe

UPX packed file 8 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2108-0-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral1/files/0x0008000000014b59-10.dat	upx
behavioral1/files/0x0009000000012024-20.dat	upx
behavioral1/files/0x0009000000012024-27.dat	upx
behavioral1/files/0x0009000000012024-22.dat	upx
behavioral1/memory/2108-30-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral1/memory/2724-29-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral1/memory/2724-33-0x0000000000400000-0x0000000000478000-memory.dmp	upx

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\UHUA.EXE = "C:\\Windows\\NVRQSOO.EXE"	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe

Enumerates connected drives 3 TTPs 17 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)	\??\G:	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe
File opened (read-only)	\??\O:	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe
File opened (read-only)	\??\R:	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe
File opened (read-only)	\??\U:	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe
File opened (read-only)	\??\I:	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe
File opened (read-only)	\??\K:	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe
File opened (read-only)	\??\N:	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe
File opened (read-only)	\??\Q:	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe
File opened (read-only)	\??\H:	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe
File opened (read-only)	\??\L:	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe
File opened (read-only)	\??\T:	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe
File opened (read-only)	\??\V:	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe
File opened (read-only)	\??\S:	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe
File opened (read-only)	\??\E:	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe
File opened (read-only)	\??\J:	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe
File opened (read-only)	\??\M:	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe
File opened (read-only)	\??\P:	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	C:\Program Files\FILV.EXE	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe
File created	C:\Program Files (x86)\EJWFT.EXE	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe
File created	C:\Program Files\BSPRZ.EXE	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe
File opened for modification	C:\Program Files\BSPRZ.EXE	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\NVRQSOO.EXE	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe
File opened for modification	C:\Windows\NVRQSOO.EXE	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\chm.file\shell\open	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\scrfile\shell\open\command	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\inifile\shell\open\command	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\chm.file\shell	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\regfile\shell\open\command	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command	FILV.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\chm.file\shell\open\command	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\scrfile\shell\open\command\ = "C:\\Windows\\NVRQSOO.EXE \"%1\""	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\inifile\shell\open\command\ = "C:\\Windows\\NVRQSOO.EXE %1"	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\NVRQSOO.EXE \"%1\" %*"	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "C:\\Program Files\\BSPRZ.EXE %1"	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\chm.file	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\regfile\shell\open\command\ = "C:\\Windows\\NVRQSOO.EXE \"%1\""	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2724	FILV.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2108 wrote to memory of 2724	2108	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe	28
PID 2108 wrote to memory of 2724	2108	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe	28
PID 2108 wrote to memory of 2724	2108	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe	28
PID 2108 wrote to memory of 2724	2108	NEAS.830769424deb6aa84ef75bc8dcb63e10.exe	28

C:\Users\Admin\AppData\Local\Temp\NEAS.830769424deb6aa84ef75bc8dcb63e10.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.830769424deb6aa84ef75bc8dcb63e10.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:2108
- C:\Program Files\FILV.EXE
  "C:\Program Files\FILV.EXE"
  2⤵
  - Executes dropped EXE
  - Modifies system executable filetype association
  - Modifies registry class
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2724

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files\FILV.EXE

Filesize
487KB

MD5
1eb200cc069650ca13f15128b648b0fa

SHA1
fcc5891adb26b28f4f3cb0bc887aed1cf7acd830

SHA256
bc066f1fd34782edbc94f24cdc2436e7ae3b8193f32eb7ffed2e3e84b89ab370

SHA512
1cd7377cf55b574314579eee9c6809568091b7a0d5283c117e80fc8bd3c3f9e15e3affd734ea99569f62a6b5f2dfcf58f3629afb869cf8368ee65529b212d368

Download Submit
C:\Windows\NVRQSOO.EXE

Filesize
487KB

MD5
6cf09a0bfa53de2f658d9a2ca0ea0334

SHA1
471e261314b97bdb5f42f000430cd2b85517c27a

SHA256
f0f6ab64ae7806162875ac5a9bb6eaee38d72cbe06e917b96c491d577726ca69

SHA512
321200ea46bc930ba8426ded5f4bc8269ddf132205149c3611acecab378a03dde6a01ebd2084afc6724b1b1bd96de3ef4ef87219ff43b7c451a82b122ff514d7

Download Submit
\Program Files\FILV.EXE

Filesize
487KB

MD5
1eb200cc069650ca13f15128b648b0fa

SHA1
fcc5891adb26b28f4f3cb0bc887aed1cf7acd830

SHA256
bc066f1fd34782edbc94f24cdc2436e7ae3b8193f32eb7ffed2e3e84b89ab370

SHA512
1cd7377cf55b574314579eee9c6809568091b7a0d5283c117e80fc8bd3c3f9e15e3affd734ea99569f62a6b5f2dfcf58f3629afb869cf8368ee65529b212d368

Download Submit
\Program Files\FILV.EXE

Filesize
487KB

MD5
1eb200cc069650ca13f15128b648b0fa

SHA1
fcc5891adb26b28f4f3cb0bc887aed1cf7acd830

SHA256
bc066f1fd34782edbc94f24cdc2436e7ae3b8193f32eb7ffed2e3e84b89ab370

SHA512
1cd7377cf55b574314579eee9c6809568091b7a0d5283c117e80fc8bd3c3f9e15e3affd734ea99569f62a6b5f2dfcf58f3629afb869cf8368ee65529b212d368

Download Submit
memory/2108-0-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2108-26-0x0000000002A70000-0x0000000002AE8000-memory.dmp

Filesize
480KB

Download
memory/2108-28-0x0000000002A70000-0x0000000002AE8000-memory.dmp

Filesize
480KB

Download
memory/2108-1-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2108-30-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2108-32-0x0000000002A70000-0x0000000002AE8000-memory.dmp

Filesize
480KB

Download
memory/2724-29-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2724-31-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2724-33-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads