8587936f393132fa1bc8174f8487eb1910713c11d513fe75c673fbb4623b402e

Analysis

max time kernel
141s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/05/2024, 00:18

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General

Target

8587936f393132fa1bc8174f8487eb1910713c11d513fe75c673fbb4623b402e.exe
Size

134KB
MD5

cfc4deff54fcbae2c9eebcb69783076f
SHA1

386d51f12cb47e67171a50f53897e381f719e393
SHA256

8587936f393132fa1bc8174f8487eb1910713c11d513fe75c673fbb4623b402e
SHA512

d79f0442fbd616f0cf1449b4f6644df72ce0ea611435adb790bd7269c7f7970677dd3a01ee60369fbd9f99193fe34e7dd32627af2fed5d6102f78d6a2c27a131
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38Qo:riAyLN9aa+9U2rW1ip6pr2At7NZuQo

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 5 IoCs

resource	yara_rule
behavioral2/memory/372-0-0x00000000004A0000-0x00000000004C8000-memory.dmp	UPX
behavioral2/files/0x000800000002326d-3.dat	UPX
behavioral2/memory/4456-5-0x0000000000720000-0x0000000000748000-memory.dmp	UPX
behavioral2/memory/372-6-0x00000000004A0000-0x00000000004C8000-memory.dmp	UPX
behavioral2/memory/4456-7-0x0000000000720000-0x0000000000748000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
4456	WwanSvc.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/372-0-0x00000000004A0000-0x00000000004C8000-memory.dmp	upx
behavioral2/files/0x000800000002326d-3.dat	upx
behavioral2/memory/4456-5-0x0000000000720000-0x0000000000748000-memory.dmp	upx
behavioral2/memory/372-6-0x00000000004A0000-0x00000000004C8000-memory.dmp	upx
behavioral2/memory/4456-7-0x0000000000720000-0x0000000000748000-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"	8587936f393132fa1bc8174f8487eb1910713c11d513fe75c673fbb4623b402e.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 372 wrote to memory of 4456	372	8587936f393132fa1bc8174f8487eb1910713c11d513fe75c673fbb4623b402e.exe	91
PID 372 wrote to memory of 4456	372	8587936f393132fa1bc8174f8487eb1910713c11d513fe75c673fbb4623b402e.exe	91
PID 372 wrote to memory of 4456	372	8587936f393132fa1bc8174f8487eb1910713c11d513fe75c673fbb4623b402e.exe	91

C:\Users\Admin\AppData\Local\Temp\8587936f393132fa1bc8174f8487eb1910713c11d513fe75c673fbb4623b402e.exe
"C:\Users\Admin\AppData\Local\Temp\8587936f393132fa1bc8174f8487eb1910713c11d513fe75c673fbb4623b402e.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:372
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  PID:4456

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4340 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:8
1⤵
PID:4824

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
05496e69b11a6c5071e4bee9ddbcbd08

SHA1
190201761dcd8264b51d831bdbbc34881b19e123

SHA256
73d5ed925827d3595ec165568c776731813abaf8ef61b556d69061f82fa91c3e

SHA512
3ce50daca707758b25e29328e33b15f7bda403288911a9864058ce3f8e48d54878a921d00c01b7b7b9792bbcfdf26a07c9f61917cb6b049204c5462b02eb47c9

Download Submit
memory/372-0-0x00000000004A0000-0x00000000004C8000-memory.dmp

Filesize
160KB

Download
memory/372-6-0x00000000004A0000-0x00000000004C8000-memory.dmp

Filesize
160KB

Download
memory/4456-5-0x0000000000720000-0x0000000000748000-memory.dmp

Filesize
160KB

Download
memory/4456-7-0x0000000000720000-0x0000000000748000-memory.dmp

Filesize
160KB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads