09f8bfd3434da09f82d3905dbe0b2c7c6ca81296bffc52e244371cb36242e762

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
07/05/2024, 03:18

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General

Target

59392f9e0932c64a42fc5f31d9ee2b70_NEAS.exe
Size

134KB
MD5

59392f9e0932c64a42fc5f31d9ee2b70
SHA1

28a30aa4b690ed4f9b898e194d68a392d865aa18
SHA256

09f8bfd3434da09f82d3905dbe0b2c7c6ca81296bffc52e244371cb36242e762
SHA512

badfb39eb62bf24bf0cc8b3f8bffb028acd6e753df384e0436736652dc523536861f421a5f1bf8f609b0f7751c0f02117e2a572cfcb7961266bd2181d8bc30b0
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38Q1:riAyLN9aa+9U2rW1ip6pr2At7NZuQ1

Score

7^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2200	WwanSvc.exe

Loads dropped DLL 1 IoCs

pid	Process
1196	59392f9e0932c64a42fc5f31d9ee2b70_NEAS.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1196-0-0x0000000000080000-0x00000000000A8000-memory.dmp	upx
behavioral1/files/0x00300000000143fd-2.dat	upx
behavioral1/memory/1196-4-0x0000000000120000-0x0000000000148000-memory.dmp	upx
behavioral1/memory/2200-7-0x0000000000F40000-0x0000000000F68000-memory.dmp	upx
behavioral1/memory/1196-8-0x0000000000080000-0x00000000000A8000-memory.dmp	upx
behavioral1/memory/2200-9-0x0000000000F40000-0x0000000000F68000-memory.dmp	upx
behavioral1/memory/1196-10-0x0000000000080000-0x00000000000A8000-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\\WwanSvc.exe\" /run"	59392f9e0932c64a42fc5f31d9ee2b70_NEAS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1196 wrote to memory of 2200	1196	59392f9e0932c64a42fc5f31d9ee2b70_NEAS.exe	28
PID 1196 wrote to memory of 2200	1196	59392f9e0932c64a42fc5f31d9ee2b70_NEAS.exe	28
PID 1196 wrote to memory of 2200	1196	59392f9e0932c64a42fc5f31d9ee2b70_NEAS.exe	28
PID 1196 wrote to memory of 2200	1196	59392f9e0932c64a42fc5f31d9ee2b70_NEAS.exe	28

C:\Users\Admin\AppData\Local\Temp\59392f9e0932c64a42fc5f31d9ee2b70_NEAS.exe
"C:\Users\Admin\AppData\Local\Temp\59392f9e0932c64a42fc5f31d9ee2b70_NEAS.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1196
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  PID:2200

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\ProgramData\Update\WwanSvc.exe

Filesize
134KB

MD5
8de97e69bd673c33bc9dd5bc4589f8e7

SHA1
b766a1dc0f748cfded0e3956a140fd7ec2f0a702

SHA256
386bb156f89b3e2aa3637b877fa44102163d38a2513cf96da23d1d23a35005f4

SHA512
a27048b821e69bdfaef8fd98edb319aa2c06f350e36ca05b2c23c04fc48987cf2758874a6518d5827dc4d2adad9d6dfe3fc6b872ff1432fc3ad7a144358b9e40

Download Submit
memory/1196-0-0x0000000000080000-0x00000000000A8000-memory.dmp

Filesize
160KB

Download
memory/1196-4-0x0000000000120000-0x0000000000148000-memory.dmp

Filesize
160KB

Download
memory/1196-8-0x0000000000080000-0x00000000000A8000-memory.dmp

Filesize
160KB

Download
memory/1196-10-0x0000000000080000-0x00000000000A8000-memory.dmp

Filesize
160KB

Download
memory/2200-7-0x0000000000F40000-0x0000000000F68000-memory.dmp

Filesize
160KB

Download
memory/2200-9-0x0000000000F40000-0x0000000000F68000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads