e58be1280729e477279c8da3fe17f7ea0741c42238e5a51319fcfaed10cb57f2

Analysis

max time kernel
136s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
01/06/2024, 04:32

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General

Target

e58be1280729e477279c8da3fe17f7ea0741c42238e5a51319fcfaed10cb57f2.exe
Size

134KB
MD5

8d98e48446d579f1667127418f2d834e
SHA1

493a8c25c7acff33faa56376c9d20439f9083100
SHA256

e58be1280729e477279c8da3fe17f7ea0741c42238e5a51319fcfaed10cb57f2
SHA512

7fe3e97917fe0bd88c470c9a2a54ed9fc4fdc5e90d766a1c910eb2abe40eccce15ff77d9eb543d5f13228ef87d250a9ee1a76a355e4935078fb135286dd9c3fe
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38QE:riAyLN9aa+9U2rW1ip6pr2At7NZuQE

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 5 IoCs

resource	yara_rule
behavioral2/memory/664-0-0x0000000000520000-0x0000000000548000-memory.dmp	UPX
behavioral2/files/0x000800000002343d-3.dat	UPX
behavioral2/memory/4316-5-0x0000000000110000-0x0000000000138000-memory.dmp	UPX
behavioral2/memory/664-4-0x0000000000520000-0x0000000000548000-memory.dmp	UPX
behavioral2/memory/4316-7-0x0000000000110000-0x0000000000138000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
4316	WwanSvc.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/664-0-0x0000000000520000-0x0000000000548000-memory.dmp	upx
behavioral2/files/0x000800000002343d-3.dat	upx
behavioral2/memory/4316-5-0x0000000000110000-0x0000000000138000-memory.dmp	upx
behavioral2/memory/664-4-0x0000000000520000-0x0000000000548000-memory.dmp	upx
behavioral2/memory/4316-7-0x0000000000110000-0x0000000000138000-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"	e58be1280729e477279c8da3fe17f7ea0741c42238e5a51319fcfaed10cb57f2.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 664 wrote to memory of 4316	664	e58be1280729e477279c8da3fe17f7ea0741c42238e5a51319fcfaed10cb57f2.exe	84
PID 664 wrote to memory of 4316	664	e58be1280729e477279c8da3fe17f7ea0741c42238e5a51319fcfaed10cb57f2.exe	84
PID 664 wrote to memory of 4316	664	e58be1280729e477279c8da3fe17f7ea0741c42238e5a51319fcfaed10cb57f2.exe	84

C:\Users\Admin\AppData\Local\Temp\e58be1280729e477279c8da3fe17f7ea0741c42238e5a51319fcfaed10cb57f2.exe
"C:\Users\Admin\AppData\Local\Temp\e58be1280729e477279c8da3fe17f7ea0741c42238e5a51319fcfaed10cb57f2.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:664
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  PID:4316

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

C:\ProgramData\Update\WwanSvc.exe

Filesize
134KB

MD5
da75d12e75b62d2acc21b77dc73b0b97

SHA1
a77031685bb6a32c300b0640284cff84340a97d6

SHA256
3b62c96d11a5a2ed5973262670e3b45034da00cd6ca01d7a096eb4a1c6db75ec

SHA512
e169ee4a331eecc366ad88bb6d19292d18f67ba795d4e690473136e78c550390f77b140e183ab173342ba4185b1b554b15aca8afab35510fcd3f29761b9a3f2b

Download Submit
memory/664-0-0x0000000000520000-0x0000000000548000-memory.dmp

Filesize
160KB

Download
memory/664-4-0x0000000000520000-0x0000000000548000-memory.dmp

Filesize
160KB

Download
memory/4316-5-0x0000000000110000-0x0000000000138000-memory.dmp

Filesize
160KB

Download
memory/4316-7-0x0000000000110000-0x0000000000138000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads