7e582db6235d3f86ca8ad9a6846355cbccf41eb1c81c5bf802b0f4bfede64fc0

Analysis

max time kernel
137s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
22-05-2024 23:34

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General

Target

7e582db6235d3f86ca8ad9a6846355cbccf41eb1c81c5bf802b0f4bfede64fc0.exe
Size

134KB
MD5

3339c6b45e49f0de38eed59fd66186c1
SHA1

795cc5e686ff37681330b737c87cd02437f58b71
SHA256

7e582db6235d3f86ca8ad9a6846355cbccf41eb1c81c5bf802b0f4bfede64fc0
SHA512

f064f6a86ece99fea8d193f304898949211af0a57f596eaaa0e7ac37b9aed7a339a25fb4764f0765471626ab9d29c365bcf4c352e022becddd227c5fe5daeae5
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38Qk:riAyLN9aa+9U2rW1ip6pr2At7NZuQk

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 5 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4908-0-0x0000000000AF0000-0x0000000000B18000-memory.dmp	UPX
C:\ProgramData\Update\WwanSvc.exe	UPX
behavioral2/memory/4908-4-0x0000000000AF0000-0x0000000000B18000-memory.dmp	UPX
behavioral2/memory/4044-6-0x00000000006E0000-0x0000000000708000-memory.dmp	UPX
behavioral2/memory/4044-7-0x00000000006E0000-0x0000000000708000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

Processes:

WwanSvc.exe

pid process

4044 WwanSvc.exe

pid	process
4044	WwanSvc.exe

UPX packed file 5 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4908-0-0x0000000000AF0000-0x0000000000B18000-memory.dmp	upx
C:\ProgramData\Update\WwanSvc.exe	upx
behavioral2/memory/4908-4-0x0000000000AF0000-0x0000000000B18000-memory.dmp	upx
behavioral2/memory/4044-6-0x00000000006E0000-0x0000000000708000-memory.dmp	upx
behavioral2/memory/4044-7-0x00000000006E0000-0x0000000000708000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

7e582db6235d3f86ca8ad9a6846355cbccf41eb1c81c5bf802b0f4bfede64fc0.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Window Update = "\"C:\\ProgramData\\Update\\WwanSvc.exe\" /run"	7e582db6235d3f86ca8ad9a6846355cbccf41eb1c81c5bf802b0f4bfede64fc0.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

7e582db6235d3f86ca8ad9a6846355cbccf41eb1c81c5bf802b0f4bfede64fc0.exe

description	pid	process	target process
PID 4908 wrote to memory of 4044	4908	7e582db6235d3f86ca8ad9a6846355cbccf41eb1c81c5bf802b0f4bfede64fc0.exe	WwanSvc.exe
PID 4908 wrote to memory of 4044	4908	7e582db6235d3f86ca8ad9a6846355cbccf41eb1c81c5bf802b0f4bfede64fc0.exe	WwanSvc.exe
PID 4908 wrote to memory of 4044	4908	7e582db6235d3f86ca8ad9a6846355cbccf41eb1c81c5bf802b0f4bfede64fc0.exe	WwanSvc.exe

C:\Users\Admin\AppData\Local\Temp\7e582db6235d3f86ca8ad9a6846355cbccf41eb1c81c5bf802b0f4bfede64fc0.exe
"C:\Users\Admin\AppData\Local\Temp\7e582db6235d3f86ca8ad9a6846355cbccf41eb1c81c5bf802b0f4bfede64fc0.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4908

C:\ProgramData\Update\WwanSvc.exe
"C:\ProgramData\Update\WwanSvc.exe" /run
2⤵
- Executes dropped EXE
PID:4044

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=3980,i,13281073920029625837,8253721632651544158,262144 --variations-seed-version --mojo-platform-channel-handle=4176 /prefetch:8
1⤵
PID:3520

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

Replay Monitor

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Downloads

C:\ProgramData\Update\WwanSvc.exe

Filesize
134KB

MD5
150bcca86f7dc9631c3c3fd6e43a5355

SHA1
83ce03c45536db54054eb1942df38abeed299ad2

SHA256
4a74cab42612d580d4cdcc90cbb87972b9bf7e742d4a76705e47b5b2367522b2

SHA512
0f3fe6b1466c9850a04933d90db7e89a294b9acf54acbd51a80b0be4df97ff09ad0d1ebfeac1c5301421cdb1a8c6e31d0c5ff450a2af57f732534b9600c44741

Download Submit
memory/4044-6-0x00000000006E0000-0x0000000000708000-memory.dmp

Filesize
160KB

Download
memory/4044-7-0x00000000006E0000-0x0000000000708000-memory.dmp

Filesize
160KB

Download
memory/4908-0-0x0000000000AF0000-0x0000000000B18000-memory.dmp

Filesize
160KB

Download
memory/4908-4-0x0000000000AF0000-0x0000000000B18000-memory.dmp

Filesize
160KB

Download