46ba99bdf3c6d3efbafdd818a5229b9ad4a77c9cbcfd4ebef72a5a25b1a4efe8

Analysis

max time kernel
146s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-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) 4 IoCs

resource	yara_rule
behavioral2/memory/1492-0-0x0000000000DD0000-0x0000000000DF8000-memory.dmp	UPX
behavioral2/files/0x000b000000023436-3.dat	UPX
behavioral2/memory/1492-5-0x0000000000DD0000-0x0000000000DF8000-memory.dmp	UPX
behavioral2/memory/724-6-0x0000000000B70000-0x0000000000B98000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
724	WwanSvc.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1492-0-0x0000000000DD0000-0x0000000000DF8000-memory.dmp	upx
behavioral2/files/0x000b000000023436-3.dat	upx
behavioral2/memory/1492-5-0x0000000000DD0000-0x0000000000DF8000-memory.dmp	upx
behavioral2/memory/724-6-0x0000000000B70000-0x0000000000B98000-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 3 IoCs

description	pid	Process	procid_target
PID 1492 wrote to memory of 724	1492	46ba99bdf3c6d3efbafdd818a5229b9ad4a77c9cbcfd4ebef72a5a25b1a4efe8.exe	83
PID 1492 wrote to memory of 724	1492	46ba99bdf3c6d3efbafdd818a5229b9ad4a77c9cbcfd4ebef72a5a25b1a4efe8.exe	83
PID 1492 wrote to memory of 724	1492	46ba99bdf3c6d3efbafdd818a5229b9ad4a77c9cbcfd4ebef72a5a25b1a4efe8.exe	83

C:\Users\Admin\AppData\Local\Temp\46ba99bdf3c6d3efbafdd818a5229b9ad4a77c9cbcfd4ebef72a5a25b1a4efe8.exe
"C:\Users\Admin\AppData\Local\Temp\46ba99bdf3c6d3efbafdd818a5229b9ad4a77c9cbcfd4ebef72a5a25b1a4efe8.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1492
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  PID:724

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
26ab2adbc09392d52af131161ef2b665

SHA1
ea2ad7dd3d2f3d8c40ae806271d88ee6d44629a4

SHA256
7d14b7d1658698b97315c9b0a16701af2f59a69aa088e0e072a6c59191aa8903

SHA512
f27361769ff14233ce93caaea501847419b6121025064391ac56d509359b4094d25d35c96f5dd23274fb20d954222ffc5a56e5409df43dc4e820d9c06cec14f0

Download Submit
memory/724-6-0x0000000000B70000-0x0000000000B98000-memory.dmp

Filesize
160KB

Download
memory/1492-0-0x0000000000DD0000-0x0000000000DF8000-memory.dmp

Filesize
160KB

Download
memory/1492-5-0x0000000000DD0000-0x0000000000DF8000-memory.dmp

Filesize
160KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads