f06b396d623bc38a1f4f4730ac109408de47d1adbc487555a3b3d7a182ec212a

Analysis

max time kernel
114s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
16/08/2024, 21:18

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General

Target

aa63f3d04cb50de8d53dcf9b12d2d660N.exe
Size

134KB
MD5

aa63f3d04cb50de8d53dcf9b12d2d660
SHA1

c666fe81ae4f0681d62645c36badcb6a896e964d
SHA256

f06b396d623bc38a1f4f4730ac109408de47d1adbc487555a3b3d7a182ec212a
SHA512

521cccc4520fcab4e054236175c5dbc833974a0f12e0a9b56a88f9e94ff2933db882543b71955ac51b2a94c8aca64fa47a4d865ede1daad657c2d4a465c7c3f6
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38Qg:riAyLN9aa+9U2rW1ip6pr2At7NZuQg

Score

7^/10

discovery persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1832	WwanSvc.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5092-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx
behavioral2/files/0x00080000000235de-3.dat	upx
behavioral2/memory/1832-4-0x0000000000BC0000-0x0000000000BE8000-memory.dmp	upx
behavioral2/memory/5092-6-0x0000000000400000-0x0000000000428000-memory.dmp	upx
behavioral2/memory/1832-7-0x0000000000BC0000-0x0000000000BE8000-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"	aa63f3d04cb50de8d53dcf9b12d2d660N.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WwanSvc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aa63f3d04cb50de8d53dcf9b12d2d660N.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5092 wrote to memory of 1832	5092	aa63f3d04cb50de8d53dcf9b12d2d660N.exe	89
PID 5092 wrote to memory of 1832	5092	aa63f3d04cb50de8d53dcf9b12d2d660N.exe	89
PID 5092 wrote to memory of 1832	5092	aa63f3d04cb50de8d53dcf9b12d2d660N.exe	89

C:\Users\Admin\AppData\Local\Temp\aa63f3d04cb50de8d53dcf9b12d2d660N.exe
"C:\Users\Admin\AppData\Local\Temp\aa63f3d04cb50de8d53dcf9b12d2d660N.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5092
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1832

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 --field-trial-handle=4292,i,12470628711992022444,7767535593390851522,262144 --variations-seed-version --mojo-platform-channel-handle=4016 /prefetch:8
1⤵
PID:1464

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\Update\WwanSvc.exe

Filesize
134KB

MD5
171386aa4db3cce352ff2c20474e40cf

SHA1
3a00dbca678e6835370111d6897de97f94fd6587

SHA256
1a6f9bbbb0e2e550cd1da36aa7dfe27b3928402a65b2b302759dd42a49a37047

SHA512
a418001ebf82b6595164a505094f13beb1ad9e441cdf675394ceae687a67f987da169afb66359a8786c856ab894cac9f8b3403e6e034b9b95e6d4fee521798f4

Download Submit
memory/1832-4-0x0000000000BC0000-0x0000000000BE8000-memory.dmp

Filesize
160KB

Download
memory/1832-7-0x0000000000BC0000-0x0000000000BE8000-memory.dmp

Filesize
160KB

Download
memory/5092-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/5092-6-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads