a54a7ad7ca17ba2ebdc35edbd0ed5d49bf3dc31fbb3770ef3916cfa6a4a9052f

Analysis

max time kernel
119s
max time network
126s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
27/07/2024, 00:00

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General

Target

6ea7a8d51b1a5cdc891ab33c9cfe0820N.exe
Size

134KB
MD5

6ea7a8d51b1a5cdc891ab33c9cfe0820
SHA1

a37673b9249d67ea8ee7f13df765cb7de4239fef
SHA256

a54a7ad7ca17ba2ebdc35edbd0ed5d49bf3dc31fbb3770ef3916cfa6a4a9052f
SHA512

4066061f6259eb8d51bae2629ecfc41f03b229c5be2676cf5bd9d6011a3b5f409e8cecb11763e05c33c7091cd502f0a7289ac117592a131ca3a40c99a7424d46
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38QL:riAyLN9aa+9U2rW1ip6pr2At7NZuQL

Score

7^/10

discovery persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2584	WwanSvc.exe

Loads dropped DLL 1 IoCs

pid	Process
1628	6ea7a8d51b1a5cdc891ab33c9cfe0820N.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1628-0-0x0000000000100000-0x0000000000128000-memory.dmp	upx
behavioral1/files/0x00080000000194e5-2.dat	upx
behavioral1/memory/2584-7-0x00000000009E0000-0x0000000000A08000-memory.dmp	upx
behavioral1/memory/1628-8-0x0000000000100000-0x0000000000128000-memory.dmp	upx
behavioral1/memory/2584-10-0x00000000009E0000-0x0000000000A08000-memory.dmp	upx
behavioral1/memory/1628-11-0x0000000000100000-0x0000000000128000-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"	6ea7a8d51b1a5cdc891ab33c9cfe0820N.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	6ea7a8d51b1a5cdc891ab33c9cfe0820N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WwanSvc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 2584	1628	6ea7a8d51b1a5cdc891ab33c9cfe0820N.exe	30
PID 1628 wrote to memory of 2584	1628	6ea7a8d51b1a5cdc891ab33c9cfe0820N.exe	30
PID 1628 wrote to memory of 2584	1628	6ea7a8d51b1a5cdc891ab33c9cfe0820N.exe	30
PID 1628 wrote to memory of 2584	1628	6ea7a8d51b1a5cdc891ab33c9cfe0820N.exe	30

C:\Users\Admin\AppData\Local\Temp\6ea7a8d51b1a5cdc891ab33c9cfe0820N.exe
"C:\Users\Admin\AppData\Local\Temp\6ea7a8d51b1a5cdc891ab33c9cfe0820N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1628
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2584

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
d22b9e2238fc1da862762f66ea89c76a

SHA1
d3a9eb3887218dad7c32c24ccd61651a6e903d66

SHA256
af129b42ac1705ad2a6e5cfa7f4b58e2c1439b5d4a8541ab1b7d2f42e5a3e471

SHA512
1550ffeac31129e77f66a2b1e7647219858f2600c0e1096815b8acae48a48b16b3fa6ea8c37d7046ece8ba9418034189146bb50d1f64275cee835fbb16eb3a71

Download Submit
memory/1628-0-0x0000000000100000-0x0000000000128000-memory.dmp

Filesize
160KB

Download
memory/1628-6-0x0000000000130000-0x0000000000158000-memory.dmp

Filesize
160KB

Download
memory/1628-8-0x0000000000100000-0x0000000000128000-memory.dmp

Filesize
160KB

Download
memory/1628-9-0x0000000000130000-0x0000000000158000-memory.dmp

Filesize
160KB

Download
memory/1628-11-0x0000000000100000-0x0000000000128000-memory.dmp

Filesize
160KB

Download
memory/2584-7-0x00000000009E0000-0x0000000000A08000-memory.dmp

Filesize
160KB

Download
memory/2584-10-0x00000000009E0000-0x0000000000A08000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads