46ba99bdf3c6d3efbafdd818a5229b9ad4a77c9cbcfd4ebef72a5a25b1a4efe8

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
28/06/2024, 21:02

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General

Target

46ba99bdf3c6d3efbafdd818a5229b9ad4a77c9cbcfd4ebef72a5a25b1a4efe8.exe
Size

134KB
MD5

88c7a3db8ac7774709b3fdd5d3c4cd7c
SHA1

550875d1ed7db426aac4766d4a64aad9f9496f52
SHA256

46ba99bdf3c6d3efbafdd818a5229b9ad4a77c9cbcfd4ebef72a5a25b1a4efe8
SHA512

5de499cfdd94dbc8a74ada75538fc97b5e0987836fababcbfa7ce8f54bf82ab9efdb162afbff6d5c330891fc20ca1f7c3a7cb1f5e4909aa88ff191e3dc64f8ee
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38QO:riAyLN9aa+9U2rW1ip6pr2At7NZuQO

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 6 IoCs

resource	yara_rule
behavioral1/memory/2204-4-0x00000000001B0000-0x00000000001D8000-memory.dmp	UPX
behavioral1/memory/2204-3-0x0000000000200000-0x0000000000228000-memory.dmp	UPX
behavioral1/files/0x0054000000014583-1.dat	UPX
behavioral1/memory/2040-7-0x00000000001B0000-0x00000000001D8000-memory.dmp	UPX
behavioral1/memory/2040-8-0x00000000001B0000-0x00000000001D8000-memory.dmp	UPX
behavioral1/memory/2204-9-0x0000000000200000-0x0000000000228000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
2040	WwanSvc.exe

Loads dropped DLL 1 IoCs

pid	Process
2204	46ba99bdf3c6d3efbafdd818a5229b9ad4a77c9cbcfd4ebef72a5a25b1a4efe8.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2204-4-0x00000000001B0000-0x00000000001D8000-memory.dmp	upx
behavioral1/memory/2204-3-0x0000000000200000-0x0000000000228000-memory.dmp	upx
behavioral1/files/0x0054000000014583-1.dat	upx
behavioral1/memory/2040-7-0x00000000001B0000-0x00000000001D8000-memory.dmp	upx
behavioral1/memory/2040-8-0x00000000001B0000-0x00000000001D8000-memory.dmp	upx
behavioral1/memory/2204-9-0x0000000000200000-0x0000000000228000-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"	46ba99bdf3c6d3efbafdd818a5229b9ad4a77c9cbcfd4ebef72a5a25b1a4efe8.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 2040	2204	46ba99bdf3c6d3efbafdd818a5229b9ad4a77c9cbcfd4ebef72a5a25b1a4efe8.exe	28
PID 2204 wrote to memory of 2040	2204	46ba99bdf3c6d3efbafdd818a5229b9ad4a77c9cbcfd4ebef72a5a25b1a4efe8.exe	28
PID 2204 wrote to memory of 2040	2204	46ba99bdf3c6d3efbafdd818a5229b9ad4a77c9cbcfd4ebef72a5a25b1a4efe8.exe	28
PID 2204 wrote to memory of 2040	2204	46ba99bdf3c6d3efbafdd818a5229b9ad4a77c9cbcfd4ebef72a5a25b1a4efe8.exe	28

C:\Users\Admin\AppData\Local\Temp\46ba99bdf3c6d3efbafdd818a5229b9ad4a77c9cbcfd4ebef72a5a25b1a4efe8.exe
"C:\Users\Admin\AppData\Local\Temp\46ba99bdf3c6d3efbafdd818a5229b9ad4a77c9cbcfd4ebef72a5a25b1a4efe8.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2204
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  PID:2040

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
2a538dac0d52117962d6c9bf9c645a98

SHA1
51d8a693be623a30b8fba7708ccdc0ded8d6863a

SHA256
1be5e5505e7f3232ad421340917e1a7738f0134fb7b8e07c4d58907c9df62ca4

SHA512
9210a1d7df7dad8e3507b0aaaa8269c0b3b4db9a339e1c9da254f7f3a711041efab837add0670c79b7b201820d4e440aebb5620f3352a577d1c7d8d9698bacdc

Download Submit
memory/2040-7-0x00000000001B0000-0x00000000001D8000-memory.dmp

Filesize
160KB

Download
memory/2040-8-0x00000000001B0000-0x00000000001D8000-memory.dmp

Filesize
160KB

Download
memory/2204-4-0x00000000001B0000-0x00000000001D8000-memory.dmp

Filesize
160KB

Download
memory/2204-3-0x0000000000200000-0x0000000000228000-memory.dmp

Filesize
160KB

Download
memory/2204-9-0x0000000000200000-0x0000000000228000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads