a72ee360d0404ea94002ff92d5ba4f8cadedb6ff8b9c012825abc70240d0aeb2

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
15/09/2024, 07:40

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General

Target

7f9b962da71f235f8487e00138d724f0N.exe
Size

134KB
MD5

7f9b962da71f235f8487e00138d724f0
SHA1

704f08070d074c1cafed4f38bf24801b50aa3e0e
SHA256

a72ee360d0404ea94002ff92d5ba4f8cadedb6ff8b9c012825abc70240d0aeb2
SHA512

6d2a47e71536c5d40ecef1f3c5d73cd32cee58c7df511799d3820192877422d38887778d4b90a1d012e9bec58f9d26c3e4784bfa4621e89f1c6d72c5cccc6d04
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38Qt:riAyLN9aa+9U2rW1ip6pr2At7NZuQt

Score

7^/10

discovery persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2524	WwanSvc.exe

Loads dropped DLL 1 IoCs

pid	Process
1968	7f9b962da71f235f8487e00138d724f0N.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1968-0-0x00000000008F0000-0x0000000000918000-memory.dmp	upx
behavioral1/files/0x000700000001945b-2.dat	upx
behavioral1/memory/2524-7-0x00000000003A0000-0x00000000003C8000-memory.dmp	upx
behavioral1/memory/1968-8-0x00000000008F0000-0x0000000000918000-memory.dmp	upx
behavioral1/memory/2524-9-0x00000000003A0000-0x00000000003C8000-memory.dmp	upx
behavioral1/memory/1968-10-0x00000000008F0000-0x0000000000918000-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"	7f9b962da71f235f8487e00138d724f0N.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	7f9b962da71f235f8487e00138d724f0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WwanSvc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1968 wrote to memory of 2524	1968	7f9b962da71f235f8487e00138d724f0N.exe	30
PID 1968 wrote to memory of 2524	1968	7f9b962da71f235f8487e00138d724f0N.exe	30
PID 1968 wrote to memory of 2524	1968	7f9b962da71f235f8487e00138d724f0N.exe	30
PID 1968 wrote to memory of 2524	1968	7f9b962da71f235f8487e00138d724f0N.exe	30

C:\Users\Admin\AppData\Local\Temp\7f9b962da71f235f8487e00138d724f0N.exe
"C:\Users\Admin\AppData\Local\Temp\7f9b962da71f235f8487e00138d724f0N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1968
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2524

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

\ProgramData\Update\WwanSvc.exe

Filesize
134KB

MD5
e4a405b5906b21dd02aa8a821f357f45

SHA1
fb6418794b4ed506651926e02689d16d33223aa5

SHA256
36c001a36a26651c9d34df529a6dba4aae5991e41baa8ff216fb17d4d2c81a36

SHA512
2972dbeb9fd5a2f379be2b71ca1221df813d8783200967f2f1e333049bb421579bb8d7dffd3dd3d96c68fab2ae9b0ec0b1dbeada839bc6b4925a048f897079ad

Download Submit
memory/1968-0-0x00000000008F0000-0x0000000000918000-memory.dmp

Filesize
160KB

Download
memory/1968-5-0x00000000000F0000-0x0000000000118000-memory.dmp

Filesize
160KB

Download
memory/1968-8-0x00000000008F0000-0x0000000000918000-memory.dmp

Filesize
160KB

Download
memory/1968-10-0x00000000008F0000-0x0000000000918000-memory.dmp

Filesize
160KB

Download
memory/2524-7-0x00000000003A0000-0x00000000003C8000-memory.dmp

Filesize
160KB

Download
memory/2524-9-0x00000000003A0000-0x00000000003C8000-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