9a1d7f1be6ef96519868880e4bf84ec5c24c0340cb131651329994769a26e1cd

Analysis

max time kernel
94s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
24/07/2024, 00:41

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General

Target

9a1d7f1be6ef96519868880e4bf84ec5c24c0340cb131651329994769a26e1cd.exe
Size

135KB
MD5

4d87ddf074d1e715c967f53bf644d9a9
SHA1

96fae9975009e65ef7868431f91ddd086464b0d1
SHA256

9a1d7f1be6ef96519868880e4bf84ec5c24c0340cb131651329994769a26e1cd
SHA512

5f2b94d97a8e5ba1de7e2909148dbdade30081b57ec21623d0f92a955bcfafa83da17168f9c7f66ec480b8e42d2e0ca2902d9b43332bcba319619a6bc0ef1004
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38Qhs:riAyLN9aa+9U2rW1ip6pr2At7NZuQhs

Score

7^/10

discovery persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3948	WwanSvc.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3172-0-0x0000000000DA0000-0x0000000000DC8000-memory.dmp	upx
behavioral2/files/0x000700000002343d-3.dat	upx
behavioral2/memory/3948-6-0x0000000000B60000-0x0000000000B88000-memory.dmp	upx
behavioral2/memory/3172-5-0x0000000000DA0000-0x0000000000DC8000-memory.dmp	upx
behavioral2/memory/3948-7-0x0000000000B60000-0x0000000000B88000-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"	9a1d7f1be6ef96519868880e4bf84ec5c24c0340cb131651329994769a26e1cd.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	9a1d7f1be6ef96519868880e4bf84ec5c24c0340cb131651329994769a26e1cd.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3172 wrote to memory of 3948	3172	9a1d7f1be6ef96519868880e4bf84ec5c24c0340cb131651329994769a26e1cd.exe	84
PID 3172 wrote to memory of 3948	3172	9a1d7f1be6ef96519868880e4bf84ec5c24c0340cb131651329994769a26e1cd.exe	84
PID 3172 wrote to memory of 3948	3172	9a1d7f1be6ef96519868880e4bf84ec5c24c0340cb131651329994769a26e1cd.exe	84

C:\Users\Admin\AppData\Local\Temp\9a1d7f1be6ef96519868880e4bf84ec5c24c0340cb131651329994769a26e1cd.exe
"C:\Users\Admin\AppData\Local\Temp\9a1d7f1be6ef96519868880e4bf84ec5c24c0340cb131651329994769a26e1cd.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3172
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3948

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
135KB

MD5
22269d5cd47126d548fcf4fceeb46e0c

SHA1
c795b2f2f64323e3dcf009b957b0ea947b018cb5

SHA256
a311fc006a897c569b5c0087b53385da61eb298314100e8c4fe6d9ecf8b3a503

SHA512
c10b200daa217d9506884968237d00ee59cac2c16f103f66ece086bc6fd1ad0b43b8239431b70037e0d2593fd370814e21c2fb93a942b1c593a4b3f50b62f828

Download Submit
memory/3172-0-0x0000000000DA0000-0x0000000000DC8000-memory.dmp

Filesize
160KB

Download
memory/3172-5-0x0000000000DA0000-0x0000000000DC8000-memory.dmp

Filesize
160KB

Download
memory/3948-6-0x0000000000B60000-0x0000000000B88000-memory.dmp

Filesize
160KB

Download
memory/3948-7-0x0000000000B60000-0x0000000000B88000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads