4e19ece6dffe663e3353094107f8e7649659ca4724a514fd3c637f83871a4636

Analysis

max time kernel
139s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
21-05-2024 22:33

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General

Target

4e19ece6dffe663e3353094107f8e7649659ca4724a514fd3c637f83871a4636.exe
Size

134KB
MD5

7131026606e5beda509137ded3e8ddbb
SHA1

015217bd7b5fe3100b874060680951e21e09b864
SHA256

4e19ece6dffe663e3353094107f8e7649659ca4724a514fd3c637f83871a4636
SHA512

aa4e74aa73283e6b8ce787842e3e398b9a7f1b083817dd060e5c52021b5b263519417c18a91ebc863f7fb2629a9f54d790d78cb27405ea00390f7bbfb62c510d
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38Qz:riAyLN9aa+9U2rW1ip6pr2At7NZuQz

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 4 IoCs

resource	yara_rule
behavioral2/memory/2196-0-0x00000000003B0000-0x00000000003D8000-memory.dmp	UPX
behavioral2/memory/2196-4-0x00000000003B0000-0x00000000003D8000-memory.dmp	UPX
behavioral2/files/0x000800000002351f-3.dat	UPX
behavioral2/memory/4676-6-0x0000000000360000-0x0000000000388000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
4676	WwanSvc.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2196-0-0x00000000003B0000-0x00000000003D8000-memory.dmp	upx
behavioral2/memory/2196-4-0x00000000003B0000-0x00000000003D8000-memory.dmp	upx
behavioral2/files/0x000800000002351f-3.dat	upx
behavioral2/memory/4676-6-0x0000000000360000-0x0000000000388000-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"	4e19ece6dffe663e3353094107f8e7649659ca4724a514fd3c637f83871a4636.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 4676	2196	4e19ece6dffe663e3353094107f8e7649659ca4724a514fd3c637f83871a4636.exe	91
PID 2196 wrote to memory of 4676	2196	4e19ece6dffe663e3353094107f8e7649659ca4724a514fd3c637f83871a4636.exe	91
PID 2196 wrote to memory of 4676	2196	4e19ece6dffe663e3353094107f8e7649659ca4724a514fd3c637f83871a4636.exe	91

C:\Users\Admin\AppData\Local\Temp\4e19ece6dffe663e3353094107f8e7649659ca4724a514fd3c637f83871a4636.exe
"C:\Users\Admin\AppData\Local\Temp\4e19ece6dffe663e3353094107f8e7649659ca4724a514fd3c637f83871a4636.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2196
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  PID:4676

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 --field-trial-handle=4084,i,5711962389779687290,1245653010537220991,262144 --variations-seed-version --mojo-platform-channel-handle=3836 /prefetch:8
1⤵
PID:5056

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
db62953e6dffb40b8949fb0413fe5503

SHA1
d053b49d2bde3545a0cc5f20cc99abaa462a42ab

SHA256
458eeed7a9e2a0b3e5473fd099499a22724d9797fe15debe441f8f2e664d76c8

SHA512
af54775d51c94917bf627e07e67d3e70b1d975a79128e0af46221c84b317a3a9a294b579558fd4af2f009bc246260b8eb24df1932bdec54da5155cf4b234134f

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memory/2196-0-0x00000000003B0000-0x00000000003D8000-memory.dmp

Filesize
160KB

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memory/2196-4-0x00000000003B0000-0x00000000003D8000-memory.dmp

Filesize
160KB

Download
memory/4676-6-0x0000000000360000-0x0000000000388000-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