ccde3cd7126eba044db0a50d4f4c713660a5a9e3a4b9717b574aa40a9ec40509

General

Target

NEAS.716ef8d98c386b918e04c8ad8927bb80.exe
Size

211KB
MD5

716ef8d98c386b918e04c8ad8927bb80
SHA1

16f0c51cee5692ee6c3d9f38bb5344416f31c241
SHA256

ccde3cd7126eba044db0a50d4f4c713660a5a9e3a4b9717b574aa40a9ec40509
SHA512

0d9c050ac6f68c82cc43c8bf72d9645cccdbed15e1f556bacb59e1cf48410b41960819d15c89cc7391f628bf9e0d21e47f2d3e218f08c018d2720bdd4c7ce34c
SSDEEP

3072:EPUHpiKT2t2UHIu05W7SAFJJOUD9cckiKop97f3r8n9t9YgntM:9rTfUHeeSKOS9ccFKk3Y9t9YJ

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2528	Isass.exe

Loads dropped DLL 2 IoCs

pid	Process
2832	NEAS.716ef8d98c386b918e04c8ad8927bb80.exe
2832	NEAS.716ef8d98c386b918e04c8ad8927bb80.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows\CurrentVersion\Run\Isass.exe = "C:\\Users\\Public\\Microsoft Build\\Isass.exe"	NEAS.716ef8d98c386b918e04c8ad8927bb80.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Isass.exe = "C:\\Users\\Public\\Microsoft Build\\Isass.exe"	NEAS.716ef8d98c386b918e04c8ad8927bb80.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2832	NEAS.716ef8d98c386b918e04c8ad8927bb80.exe
2528	Isass.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2832 wrote to memory of 2528	2832	NEAS.716ef8d98c386b918e04c8ad8927bb80.exe	28
PID 2832 wrote to memory of 2528	2832	NEAS.716ef8d98c386b918e04c8ad8927bb80.exe	28
PID 2832 wrote to memory of 2528	2832	NEAS.716ef8d98c386b918e04c8ad8927bb80.exe	28
PID 2832 wrote to memory of 2528	2832	NEAS.716ef8d98c386b918e04c8ad8927bb80.exe	28

C:\Users\Admin\AppData\Local\Temp\NEAS.716ef8d98c386b918e04c8ad8927bb80.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.716ef8d98c386b918e04c8ad8927bb80.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2832
- C:\Users\Public\Microsoft Build\Isass.exe
  "C:\Users\Public\Microsoft Build\Isass.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  PID:2528

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

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Public\Microsoft Build\Isass.exe

Filesize
211KB

MD5
716ef8d98c386b918e04c8ad8927bb80

SHA1
16f0c51cee5692ee6c3d9f38bb5344416f31c241

SHA256
ccde3cd7126eba044db0a50d4f4c713660a5a9e3a4b9717b574aa40a9ec40509

SHA512
0d9c050ac6f68c82cc43c8bf72d9645cccdbed15e1f556bacb59e1cf48410b41960819d15c89cc7391f628bf9e0d21e47f2d3e218f08c018d2720bdd4c7ce34c

Download Submit
C:\Users\Public\Microsoft Build\Isass.exe

Filesize
211KB

MD5
716ef8d98c386b918e04c8ad8927bb80

SHA1
16f0c51cee5692ee6c3d9f38bb5344416f31c241

SHA256
ccde3cd7126eba044db0a50d4f4c713660a5a9e3a4b9717b574aa40a9ec40509

SHA512
0d9c050ac6f68c82cc43c8bf72d9645cccdbed15e1f556bacb59e1cf48410b41960819d15c89cc7391f628bf9e0d21e47f2d3e218f08c018d2720bdd4c7ce34c

Download Submit
C:\Users\Public\Microsoft Build\Isass.exe

Filesize
211KB

MD5
716ef8d98c386b918e04c8ad8927bb80

SHA1
16f0c51cee5692ee6c3d9f38bb5344416f31c241

SHA256
ccde3cd7126eba044db0a50d4f4c713660a5a9e3a4b9717b574aa40a9ec40509

SHA512
0d9c050ac6f68c82cc43c8bf72d9645cccdbed15e1f556bacb59e1cf48410b41960819d15c89cc7391f628bf9e0d21e47f2d3e218f08c018d2720bdd4c7ce34c

Download Submit
\Users\Public\Microsoft Build\Isass.exe

Filesize
211KB

MD5
716ef8d98c386b918e04c8ad8927bb80

SHA1
16f0c51cee5692ee6c3d9f38bb5344416f31c241

SHA256
ccde3cd7126eba044db0a50d4f4c713660a5a9e3a4b9717b574aa40a9ec40509

SHA512
0d9c050ac6f68c82cc43c8bf72d9645cccdbed15e1f556bacb59e1cf48410b41960819d15c89cc7391f628bf9e0d21e47f2d3e218f08c018d2720bdd4c7ce34c

Download Submit
\Users\Public\Microsoft Build\Isass.exe

Filesize
211KB

MD5
716ef8d98c386b918e04c8ad8927bb80

SHA1
16f0c51cee5692ee6c3d9f38bb5344416f31c241

SHA256
ccde3cd7126eba044db0a50d4f4c713660a5a9e3a4b9717b574aa40a9ec40509

SHA512
0d9c050ac6f68c82cc43c8bf72d9645cccdbed15e1f556bacb59e1cf48410b41960819d15c89cc7391f628bf9e0d21e47f2d3e218f08c018d2720bdd4c7ce34c

Download Submit
memory/2528-45-0x0000000000400000-0x00000000016A8000-memory.dmp

Filesize
18.7MB

Download
memory/2528-20-0x0000000000400000-0x00000000016A8000-memory.dmp

Filesize
18.7MB

Download
memory/2528-76-0x0000000000400000-0x00000000016A8000-memory.dmp

Filesize
18.7MB

Download
memory/2528-12-0x00000000003B0000-0x00000000003B1000-memory.dmp

Filesize
4KB

Download
memory/2528-64-0x0000000000400000-0x00000000016A8000-memory.dmp

Filesize
18.7MB

Download
memory/2528-15-0x0000000000400000-0x00000000016A8000-memory.dmp

Filesize
18.7MB

Download
memory/2528-63-0x0000000000400000-0x00000000016A8000-memory.dmp

Filesize
18.7MB

Download
memory/2528-16-0x0000000000400000-0x00000000016A8000-memory.dmp

Filesize
18.7MB

Download
memory/2528-17-0x0000000000400000-0x00000000016A8000-memory.dmp

Filesize
18.7MB

Download
memory/2528-54-0x0000000000400000-0x00000000016A8000-memory.dmp

Filesize
18.7MB

Download
memory/2528-21-0x0000000000400000-0x00000000016A8000-memory.dmp

Filesize
18.7MB

Download
memory/2528-28-0x0000000000400000-0x00000000016A8000-memory.dmp

Filesize
18.7MB

Download
memory/2528-29-0x0000000000400000-0x00000000016A8000-memory.dmp

Filesize
18.7MB

Download
memory/2528-34-0x0000000000400000-0x00000000016A8000-memory.dmp

Filesize
18.7MB

Download
memory/2528-38-0x0000000000400000-0x00000000016A8000-memory.dmp

Filesize
18.7MB

Download
memory/2528-44-0x0000000000400000-0x00000000016A8000-memory.dmp

Filesize
18.7MB

Download
memory/2528-55-0x0000000004210000-0x00000000054B8000-memory.dmp

Filesize
18.7MB

Download
memory/2528-52-0x0000000004210000-0x00000000054B8000-memory.dmp

Filesize
18.7MB

Download
memory/2528-53-0x0000000000400000-0x00000000016A8000-memory.dmp

Filesize
18.7MB

Download
memory/2832-13-0x0000000000400000-0x00000000016A8000-memory.dmp

Filesize
18.7MB

Download
memory/2832-0-0x0000000000400000-0x00000000016A8000-memory.dmp

Filesize
18.7MB

Download
memory/2832-1-0x00000000003B0000-0x00000000003B1000-memory.dmp

Filesize
4KB

Download
memory/2832-14-0x0000000004300000-0x00000000055A8000-memory.dmp

Filesize
18.7MB

Download
memory/2832-11-0x0000000004300000-0x00000000055A8000-memory.dmp

Filesize
18.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads