8c407c42ab90e8ccffd55b917c9b7bae3210de515519ded70f1d7df3fe6784db

General

Target

NEAS.01b94eaa99f2e998d7cb882ce673f620_JC.exe
Size

216KB
MD5

01b94eaa99f2e998d7cb882ce673f620
SHA1

5e3a8514ae4ac4232c48f5ce24891cdd96a3133d
SHA256

8c407c42ab90e8ccffd55b917c9b7bae3210de515519ded70f1d7df3fe6784db
SHA512

69f1457a6919a7496c95fdee93b5061e2fb85a1a5f730041bf51a04f6db00409381230a86ee0cbfc1c36352717e50198ae8aa994970f2857b5f9f16f756f132d
SSDEEP

6144:pDn0J/fNQ4bc3wT994Th6rC2dzT/Y7BNandXg:hefN3o3wT994Th6rC2dI7radQ

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "2"	svchost.exe

Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "2"	svchost.exe

Disables use of System Restore points 1 TTPs
evasion

Inhibit System Recovery
T1490

Executes dropped EXE 1 IoCs

pid	Process
2924	svchost.exe

Loads dropped DLL 2 IoCs

pid	Process
1916	NEAS.01b94eaa99f2e998d7cb882ce673f620_JC.exe
1916	NEAS.01b94eaa99f2e998d7cb882ce673f620_JC.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\SoundMax = "C:\\Users\\Admin\\userinit.exe"	svchost.exe

Enumerates connected drives 3 TTPs 21 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)	\??\J:	svchost.exe
File opened (read-only)	\??\I:	svchost.exe
File opened (read-only)	\??\L:	svchost.exe
File opened (read-only)	\??\Q:	svchost.exe
File opened (read-only)	\??\S:	svchost.exe
File opened (read-only)	\??\T:	svchost.exe
File opened (read-only)	\??\E:	svchost.exe
File opened (read-only)	\??\K:	svchost.exe
File opened (read-only)	\??\M:	svchost.exe
File opened (read-only)	\??\O:	svchost.exe
File opened (read-only)	\??\R:	svchost.exe
File opened (read-only)	\??\U:	svchost.exe
File opened (read-only)	\??\W:	svchost.exe
File opened (read-only)	\??\Z:	svchost.exe
File opened (read-only)	\??\G:	svchost.exe
File opened (read-only)	\??\H:	svchost.exe
File opened (read-only)	\??\N:	svchost.exe
File opened (read-only)	\??\P:	svchost.exe
File opened (read-only)	\??\V:	svchost.exe
File opened (read-only)	\??\X:	svchost.exe
File opened (read-only)	\??\Y:	svchost.exe

Drops autorun.inf file 1 TTPs 4 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

description	ioc	Process
File created	C:\Autorun.inf	svchost.exe
File opened for modification	C:\Autorun.inf	svchost.exe
File created	F:\Autorun.inf	svchost.exe
File opened for modification	F:\Autorun.inf	svchost.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Common Files\Microsoft Shared\MSshare.exe	svchost.exe
File opened for modification	C:\Program Files (x86)\Common Files\Microsoft Shared\MSshare.exe	svchost.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Web\OfficeUpdate.exe	svchost.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 2924	1916	NEAS.01b94eaa99f2e998d7cb882ce673f620_JC.exe	28
PID 1916 wrote to memory of 2924	1916	NEAS.01b94eaa99f2e998d7cb882ce673f620_JC.exe	28
PID 1916 wrote to memory of 2924	1916	NEAS.01b94eaa99f2e998d7cb882ce673f620_JC.exe	28
PID 1916 wrote to memory of 2924	1916	NEAS.01b94eaa99f2e998d7cb882ce673f620_JC.exe	28
PID 2924 wrote to memory of 2692	2924	svchost.exe	29
PID 2924 wrote to memory of 2692	2924	svchost.exe	29
PID 2924 wrote to memory of 2692	2924	svchost.exe	29
PID 2924 wrote to memory of 2692	2924	svchost.exe	29
PID 2924 wrote to memory of 2604	2924	svchost.exe	31
PID 2924 wrote to memory of 2604	2924	svchost.exe	31
PID 2924 wrote to memory of 2604	2924	svchost.exe	31
PID 2924 wrote to memory of 2604	2924	svchost.exe	31
PID 2924 wrote to memory of 1240	2924	svchost.exe	33
PID 2924 wrote to memory of 1240	2924	svchost.exe	33
PID 2924 wrote to memory of 1240	2924	svchost.exe	33
PID 2924 wrote to memory of 1240	2924	svchost.exe	33

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Nofolderoptions = "1"	svchost.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.01b94eaa99f2e998d7cb882ce673f620_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.01b94eaa99f2e998d7cb882ce673f620_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1916
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
  2⤵
  - Modifies visibility of file extensions in Explorer
  - Modifies visiblity of hidden/system files in Explorer
  - Executes dropped EXE
  - Adds Run key to start application
  - Enumerates connected drives
  - Drops autorun.inf file
  - Drops file in Program Files directory
  - Drops file in Windows directory
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:2924
- - C:\Windows\SysWOW64\at.exe
    "C:\Windows\System32\at.exe" /delete /yes
    3⤵
    PID:2692
- - C:\Windows\SysWOW64\at.exe
    "C:\Windows\System32\at.exe" 20:30 /every:M,T,W,TH,F,S,SU C:\Windows\Web\OfficeUpdate.exe
    3⤵
    PID:2604
- - C:\Windows\SysWOW64\at.exe
    "C:\Windows\System32\at.exe" 11:30 /every:M,T,W,TH,F,S,SU C:\Windows\Web\OfficeUpdate.exe
    3⤵
    PID:1240

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

1

T1091

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Hide Artifacts

2

T1564

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Replication Through Removable Media

1

T1091

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

1

T1490

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Downloads

C:\Users\Admin\AppData\Local\Temp\svchost.exe

Filesize
216KB

MD5
01b94eaa99f2e998d7cb882ce673f620

SHA1
5e3a8514ae4ac4232c48f5ce24891cdd96a3133d

SHA256
8c407c42ab90e8ccffd55b917c9b7bae3210de515519ded70f1d7df3fe6784db

SHA512
69f1457a6919a7496c95fdee93b5061e2fb85a1a5f730041bf51a04f6db00409381230a86ee0cbfc1c36352717e50198ae8aa994970f2857b5f9f16f756f132d

Download Submit
C:\Users\Admin\AppData\Local\Temp\svchost.exe

Filesize
216KB

MD5
01b94eaa99f2e998d7cb882ce673f620

SHA1
5e3a8514ae4ac4232c48f5ce24891cdd96a3133d

SHA256
8c407c42ab90e8ccffd55b917c9b7bae3210de515519ded70f1d7df3fe6784db

SHA512
69f1457a6919a7496c95fdee93b5061e2fb85a1a5f730041bf51a04f6db00409381230a86ee0cbfc1c36352717e50198ae8aa994970f2857b5f9f16f756f132d

Download Submit
C:\Users\Admin\AppData\Local\Temp\svchost.exe

Filesize
216KB

MD5
01b94eaa99f2e998d7cb882ce673f620

SHA1
5e3a8514ae4ac4232c48f5ce24891cdd96a3133d

SHA256
8c407c42ab90e8ccffd55b917c9b7bae3210de515519ded70f1d7df3fe6784db

SHA512
69f1457a6919a7496c95fdee93b5061e2fb85a1a5f730041bf51a04f6db00409381230a86ee0cbfc1c36352717e50198ae8aa994970f2857b5f9f16f756f132d

Download Submit
\Users\Admin\AppData\Local\Temp\svchost.exe

Filesize
216KB

MD5
01b94eaa99f2e998d7cb882ce673f620

SHA1
5e3a8514ae4ac4232c48f5ce24891cdd96a3133d

SHA256
8c407c42ab90e8ccffd55b917c9b7bae3210de515519ded70f1d7df3fe6784db

SHA512
69f1457a6919a7496c95fdee93b5061e2fb85a1a5f730041bf51a04f6db00409381230a86ee0cbfc1c36352717e50198ae8aa994970f2857b5f9f16f756f132d

Download Submit
\Users\Admin\AppData\Local\Temp\svchost.exe

Filesize
216KB

MD5
01b94eaa99f2e998d7cb882ce673f620

SHA1
5e3a8514ae4ac4232c48f5ce24891cdd96a3133d

SHA256
8c407c42ab90e8ccffd55b917c9b7bae3210de515519ded70f1d7df3fe6784db

SHA512
69f1457a6919a7496c95fdee93b5061e2fb85a1a5f730041bf51a04f6db00409381230a86ee0cbfc1c36352717e50198ae8aa994970f2857b5f9f16f756f132d

Download Submit
memory/1916-0-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1916-11-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1916-10-0x0000000002680000-0x00000000026AB000-memory.dmp

Filesize
172KB

Download
memory/1916-34-0x0000000002680000-0x00000000026AB000-memory.dmp

Filesize
172KB

Download
memory/2924-13-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2924-35-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads