aa5598a6a2fdc5b313e32ba137b11a7ba7e003829829d933d5f014ccf0db96b8

General

Target

NEAS.da0aa478d1e20da9ff1067ef91727470_JC.exe
Size

197KB
MD5

da0aa478d1e20da9ff1067ef91727470
SHA1

57e22d346a6a91aece6de1dca0c930dd7e3648df
SHA256

aa5598a6a2fdc5b313e32ba137b11a7ba7e003829829d933d5f014ccf0db96b8
SHA512

2fe328545dcbe1909a29010168e091547dec4e9c1ac83ec1bae6913b977f4f2ba080b67ee78cbf1c854c3352ccb036efa8a12c1bb84dcafe4eceb42e06022455
SSDEEP

3072:KhS7VD4/EnzzMUD8u8EC45xRS5b7lIf3GYHfqR1hAtTD5DyXglREK0c:dOizzb8uDxZCHlIZgEh5DyXglh

Score

7^/10

aspackv2 persistence

Malware Config

Signatures

ASPack v2.12-2.42 4 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral1/files/0x0008000000014834-9.dat	aspack_v212_v242
behavioral1/files/0x00070000000120e6-19.dat	aspack_v212_v242
behavioral1/files/0x00070000000120e6-21.dat	aspack_v212_v242
behavioral1/files/0x00070000000120e6-25.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2716	HUSUFFQ.EXE

Loads dropped DLL 2 IoCs

pid	Process
2188	NEAS.da0aa478d1e20da9ff1067ef91727470_JC.exe
2188	NEAS.da0aa478d1e20da9ff1067ef91727470_JC.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	NEAS.da0aa478d1e20da9ff1067ef91727470_JC.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Users\\TBEYUGV.EXE \"%1\" %*"	NEAS.da0aa478d1e20da9ff1067ef91727470_JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command	HUSUFFQ.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\BNHI.EXE = "C:\\Program Files\\BNHI.EXE"	NEAS.da0aa478d1e20da9ff1067ef91727470_JC.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)	\??\H:	NEAS.da0aa478d1e20da9ff1067ef91727470_JC.exe
File opened (read-only)	\??\J:	NEAS.da0aa478d1e20da9ff1067ef91727470_JC.exe
File opened (read-only)	\??\L:	NEAS.da0aa478d1e20da9ff1067ef91727470_JC.exe
File opened (read-only)	\??\P:	NEAS.da0aa478d1e20da9ff1067ef91727470_JC.exe
File opened (read-only)	\??\Q:	NEAS.da0aa478d1e20da9ff1067ef91727470_JC.exe
File opened (read-only)	\??\G:	NEAS.da0aa478d1e20da9ff1067ef91727470_JC.exe
File opened (read-only)	\??\K:	NEAS.da0aa478d1e20da9ff1067ef91727470_JC.exe
File opened (read-only)	\??\N:	NEAS.da0aa478d1e20da9ff1067ef91727470_JC.exe
File opened (read-only)	\??\R:	NEAS.da0aa478d1e20da9ff1067ef91727470_JC.exe
File opened (read-only)	\??\E:	NEAS.da0aa478d1e20da9ff1067ef91727470_JC.exe
File opened (read-only)	\??\M:	NEAS.da0aa478d1e20da9ff1067ef91727470_JC.exe
File opened (read-only)	\??\S:	NEAS.da0aa478d1e20da9ff1067ef91727470_JC.exe
File opened (read-only)	\??\U:	NEAS.da0aa478d1e20da9ff1067ef91727470_JC.exe
File opened (read-only)	\??\I:	NEAS.da0aa478d1e20da9ff1067ef91727470_JC.exe
File opened (read-only)	\??\O:	NEAS.da0aa478d1e20da9ff1067ef91727470_JC.exe
File opened (read-only)	\??\T:	NEAS.da0aa478d1e20da9ff1067ef91727470_JC.exe
File opened (read-only)	\??\V:	NEAS.da0aa478d1e20da9ff1067ef91727470_JC.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files\BKRV.EXE	NEAS.da0aa478d1e20da9ff1067ef91727470_JC.exe
File created	C:\Program Files\MOAO.EXE	NEAS.da0aa478d1e20da9ff1067ef91727470_JC.exe
File created	C:\Program Files\BNHI.EXE	NEAS.da0aa478d1e20da9ff1067ef91727470_JC.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\IWUFRZT.EXE	NEAS.da0aa478d1e20da9ff1067ef91727470_JC.exe
File opened for modification	C:\Windows\IWUFRZT.EXE	NEAS.da0aa478d1e20da9ff1067ef91727470_JC.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\chm.file\shell\open\command	NEAS.da0aa478d1e20da9ff1067ef91727470_JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\chm.file\shell	NEAS.da0aa478d1e20da9ff1067ef91727470_JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\scrfile\shell\open\command	NEAS.da0aa478d1e20da9ff1067ef91727470_JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\inifile\shell\open\command	NEAS.da0aa478d1e20da9ff1067ef91727470_JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command	HUSUFFQ.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\regfile\shell\open\command	NEAS.da0aa478d1e20da9ff1067ef91727470_JC.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\regfile\shell\open\command\ = "C:\\Users\\BLZOTCH.EXE \"%1\""	NEAS.da0aa478d1e20da9ff1067ef91727470_JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command	NEAS.da0aa478d1e20da9ff1067ef91727470_JC.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Users\\TBEYUGV.EXE \"%1\" %*"	NEAS.da0aa478d1e20da9ff1067ef91727470_JC.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "C:\\Program Files\\BKRV.EXE %1"	NEAS.da0aa478d1e20da9ff1067ef91727470_JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\chm.file	NEAS.da0aa478d1e20da9ff1067ef91727470_JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command	NEAS.da0aa478d1e20da9ff1067ef91727470_JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\chm.file\shell\open	NEAS.da0aa478d1e20da9ff1067ef91727470_JC.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\scrfile\shell\open\command\ = "C:\\Windows\\IWUFRZT.EXE \"%1\""	NEAS.da0aa478d1e20da9ff1067ef91727470_JC.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\inifile\shell\open\command\ = "C:\\Program Files\\MOAO.EXE %1"	NEAS.da0aa478d1e20da9ff1067ef91727470_JC.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2716	HUSUFFQ.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 2716	2188	NEAS.da0aa478d1e20da9ff1067ef91727470_JC.exe	29
PID 2188 wrote to memory of 2716	2188	NEAS.da0aa478d1e20da9ff1067ef91727470_JC.exe	29
PID 2188 wrote to memory of 2716	2188	NEAS.da0aa478d1e20da9ff1067ef91727470_JC.exe	29
PID 2188 wrote to memory of 2716	2188	NEAS.da0aa478d1e20da9ff1067ef91727470_JC.exe	29

C:\Users\Admin\AppData\Local\Temp\NEAS.da0aa478d1e20da9ff1067ef91727470_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.da0aa478d1e20da9ff1067ef91727470_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:2188
- C:\Users\HUSUFFQ.EXE
  C:\Users\HUSUFFQ.EXE
  2⤵
  - Executes dropped EXE
  - Modifies system executable filetype association
  - Modifies registry class
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2716

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:\Users\HUSUFFQ.EXE

Filesize
198KB

MD5
2b4bf3671c7ab4b1df766b0b61e0731e

SHA1
dd8ac9c477f84d7a9ee8b97ffc5f7706d9a1022a

SHA256
980b0a32561f955f595367a16a1f33f06c191e84ba28a0039ef00dfdef24a513

SHA512
f523b710d1bf1de8413d5d6a40706e7d9b0427f8c7a0ac9025cc4f018ff1e3a3c4d4702b1a71a71c808430b3145ba2813c10d2a6390499d4bbb70f32fec7b28c

Download Submit
C:\Windows\IWUFRZT.EXE

Filesize
198KB

MD5
e817eb26b8504aa5fe943f1ea68ac150

SHA1
bca19c6c83f8519c5929575b8b5bb389df3e2613

SHA256
7c5d08cd8717c861d70929d39e99f458cd745d53d52e8843de4593315e36cc3c

SHA512
adcfdaec60334cc510fe79156ec7f5d3a097f9f59fe0d9c9f0fb2e213c2ae109178ea21c075f0682486d6fd13508a5632a9283b1968592ce3b76bc4732209259

Download Submit
\Users\HUSUFFQ.EXE

Filesize
198KB

MD5
2b4bf3671c7ab4b1df766b0b61e0731e

SHA1
dd8ac9c477f84d7a9ee8b97ffc5f7706d9a1022a

SHA256
980b0a32561f955f595367a16a1f33f06c191e84ba28a0039ef00dfdef24a513

SHA512
f523b710d1bf1de8413d5d6a40706e7d9b0427f8c7a0ac9025cc4f018ff1e3a3c4d4702b1a71a71c808430b3145ba2813c10d2a6390499d4bbb70f32fec7b28c

Download Submit
\Users\HUSUFFQ.EXE

Filesize
198KB

MD5
2b4bf3671c7ab4b1df766b0b61e0731e

SHA1
dd8ac9c477f84d7a9ee8b97ffc5f7706d9a1022a

SHA256
980b0a32561f955f595367a16a1f33f06c191e84ba28a0039ef00dfdef24a513

SHA512
f523b710d1bf1de8413d5d6a40706e7d9b0427f8c7a0ac9025cc4f018ff1e3a3c4d4702b1a71a71c808430b3145ba2813c10d2a6390499d4bbb70f32fec7b28c

Download Submit
memory/2188-27-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2188-0-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2716-31-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2716-34-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2716-29-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2716-30-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2716-26-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2716-32-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2716-33-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2716-28-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2716-35-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2716-36-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2716-37-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2716-38-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2716-39-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2716-40-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2716-41-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2716-42-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads