daa51f40083f7c3204968c1e3eb3de074f45cecb492a093a3e9991844be960e9

Analysis

max time kernel
119s
max time network
126s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
07-05-2024 19:04

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General

Target

090fa96a61d82425fda2e53fcc9ed090_NEAS.exe
Size

134KB
MD5

090fa96a61d82425fda2e53fcc9ed090
SHA1

87a9463dd44bae1c46a4282e50b13db963a7be36
SHA256

daa51f40083f7c3204968c1e3eb3de074f45cecb492a093a3e9991844be960e9
SHA512

9765c1ec4ee307c902d866adf534eb9567ed8bbc237a55ecd60f73d83b9df3ead9a56fb2a6e26441a91efabbe37eb7a1b37f1ee20a1db997143a46f50d4353ee
SSDEEP

1536:YGYU/W2/HG6QMauSV3ixJHABLrmhH7i9eNOOg00GqMIK7aGZh3SOS:YfU/WF6QMauSuiWNi9eNOl0007NZIOS

Score

7^/10

persistence upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2852	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2180	wuauclt.exe

Loads dropped DLL 1 IoCs

pid	Process
2300	090fa96a61d82425fda2e53fcc9ed090_NEAS.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2300-0-0x00000000008A0000-0x00000000008C8000-memory.dmp	upx
behavioral1/files/0x0029000000015c2f-2.dat	upx
behavioral1/memory/2180-7-0x0000000001000000-0x0000000001028000-memory.dmp	upx
behavioral1/memory/2300-8-0x00000000008A0000-0x00000000008C8000-memory.dmp	upx
behavioral1/memory/2300-10-0x00000000008A0000-0x00000000008C8000-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\Window Update = "\"C:\\ProgramData\\Update\\wuauclt.exe\" /run"	090fa96a61d82425fda2e53fcc9ed090_NEAS.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2300 wrote to memory of 2180	2300	090fa96a61d82425fda2e53fcc9ed090_NEAS.exe	28
PID 2300 wrote to memory of 2180	2300	090fa96a61d82425fda2e53fcc9ed090_NEAS.exe	28
PID 2300 wrote to memory of 2180	2300	090fa96a61d82425fda2e53fcc9ed090_NEAS.exe	28
PID 2300 wrote to memory of 2180	2300	090fa96a61d82425fda2e53fcc9ed090_NEAS.exe	28
PID 2300 wrote to memory of 2852	2300	090fa96a61d82425fda2e53fcc9ed090_NEAS.exe	31
PID 2300 wrote to memory of 2852	2300	090fa96a61d82425fda2e53fcc9ed090_NEAS.exe	31
PID 2300 wrote to memory of 2852	2300	090fa96a61d82425fda2e53fcc9ed090_NEAS.exe	31
PID 2300 wrote to memory of 2852	2300	090fa96a61d82425fda2e53fcc9ed090_NEAS.exe	31

C:\Users\Admin\AppData\Local\Temp\090fa96a61d82425fda2e53fcc9ed090_NEAS.exe
"C:\Users\Admin\AppData\Local\Temp\090fa96a61d82425fda2e53fcc9ed090_NEAS.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2300
- C:\ProgramData\Update\wuauclt.exe
  "C:\ProgramData\Update\wuauclt.exe" /run
  2⤵
  - Executes dropped EXE
  PID:2180
- C:\windows\SysWOW64\cmd.exe
  "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\090fa96a61d82425fda2e53fcc9ed090_NEAS.exe" >> NUL
  2⤵
  - Deletes itself
  PID:2852

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\ProgramData\Update\wuauclt.exe

Filesize
134KB

MD5
de2ea1627f6f2db55fdb8cb6700da5b5

SHA1
58a38a65f323480fba1b0b3990354f093f1e7b58

SHA256
2a2010aa615bf4597a558f0299997919d3d526f0f97e0f0fd69fcf8c26ee3062

SHA512
8e17835579ebdb1ef897a0d41a07103fd45e1a1f841f7cf9e4e98b1efe2057753ebfad72d50b01ce5a59827483e97f8c1ed2ccba0a5dbbc1f0f477eb1b1660d9

Download Submit
memory/2180-7-0x0000000001000000-0x0000000001028000-memory.dmp

Filesize
160KB

Download
memory/2300-0-0x00000000008A0000-0x00000000008C8000-memory.dmp

Filesize
160KB

Download
memory/2300-5-0x0000000000080000-0x00000000000A8000-memory.dmp

Filesize
160KB

Download
memory/2300-8-0x00000000008A0000-0x00000000008C8000-memory.dmp

Filesize
160KB

Download
memory/2300-9-0x0000000000080000-0x00000000000A8000-memory.dmp

Filesize
160KB

Download
memory/2300-10-0x00000000008A0000-0x00000000008C8000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads