4faf38dc2c68fb994cde73c30ccc463ed8a035089bbf8a17c444a8f0b500607d

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
24/06/2024, 21:23

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General

Target

4faf38dc2c68fb994cde73c30ccc463ed8a035089bbf8a17c444a8f0b500607d.exe
Size

134KB
MD5

c3340367f47927c4bcc4977a7e3b72a9
SHA1

e06bb4c6025c0765b73a21e764d056d04646c24b
SHA256

4faf38dc2c68fb994cde73c30ccc463ed8a035089bbf8a17c444a8f0b500607d
SHA512

7fa74a52d144c1432b84acae96a4a57b6c8be137db0fa2c13afd446abf1d91ec3580929275dadf865bde866b1b422a410fa0d8692630888c317da89b71f2db69
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38Q1:riAyLN9aa+9U2rW1ip6pr2At7NZuQ1

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 6 IoCs

resource	yara_rule
behavioral1/memory/2028-0-0x0000000000960000-0x0000000000988000-memory.dmp	UPX
behavioral1/memory/2028-4-0x0000000000080000-0x00000000000A8000-memory.dmp	UPX
behavioral1/files/0x00090000000164d8-6.dat	UPX
behavioral1/memory/2028-7-0x0000000000960000-0x0000000000988000-memory.dmp	UPX
behavioral1/memory/1664-8-0x0000000001030000-0x0000000001058000-memory.dmp	UPX
behavioral1/memory/2028-9-0x0000000000960000-0x0000000000988000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
1664	WwanSvc.exe

Loads dropped DLL 1 IoCs

pid	Process
2028	4faf38dc2c68fb994cde73c30ccc463ed8a035089bbf8a17c444a8f0b500607d.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2028-0-0x0000000000960000-0x0000000000988000-memory.dmp	upx
behavioral1/memory/2028-4-0x0000000000080000-0x00000000000A8000-memory.dmp	upx
behavioral1/files/0x00090000000164d8-6.dat	upx
behavioral1/memory/2028-7-0x0000000000960000-0x0000000000988000-memory.dmp	upx
behavioral1/memory/1664-8-0x0000000001030000-0x0000000001058000-memory.dmp	upx
behavioral1/memory/2028-9-0x0000000000960000-0x0000000000988000-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"	4faf38dc2c68fb994cde73c30ccc463ed8a035089bbf8a17c444a8f0b500607d.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 1664	2028	4faf38dc2c68fb994cde73c30ccc463ed8a035089bbf8a17c444a8f0b500607d.exe	28
PID 2028 wrote to memory of 1664	2028	4faf38dc2c68fb994cde73c30ccc463ed8a035089bbf8a17c444a8f0b500607d.exe	28
PID 2028 wrote to memory of 1664	2028	4faf38dc2c68fb994cde73c30ccc463ed8a035089bbf8a17c444a8f0b500607d.exe	28
PID 2028 wrote to memory of 1664	2028	4faf38dc2c68fb994cde73c30ccc463ed8a035089bbf8a17c444a8f0b500607d.exe	28

C:\Users\Admin\AppData\Local\Temp\4faf38dc2c68fb994cde73c30ccc463ed8a035089bbf8a17c444a8f0b500607d.exe
"C:\Users\Admin\AppData\Local\Temp\4faf38dc2c68fb994cde73c30ccc463ed8a035089bbf8a17c444a8f0b500607d.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2028
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  PID:1664

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

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Downloads

C:\ProgramData\Update\WwanSvc.exe

Filesize
134KB

MD5
6d8c8f10e5bf207baddd4f0c4fec6e43

SHA1
b23d453e9be91cca565a1507159bbddd4d38e5f3

SHA256
0c55cc67ca42c1713efca9b16831b9c23df2b696f59171ef5a67a05a7b0ce98c

SHA512
4dd92b58495f5a0d36e8d00206ae6cc90f14d8034fb43589583a6eb83de9d2d71e1885f4c10b8b14f649fbe832372f8b9b63479d22abd85af319428df81cef18

Download Submit
memory/1664-8-0x0000000001030000-0x0000000001058000-memory.dmp

Filesize
160KB

Download
memory/2028-0-0x0000000000960000-0x0000000000988000-memory.dmp

Filesize
160KB

Download
memory/2028-4-0x0000000000080000-0x00000000000A8000-memory.dmp

Filesize
160KB

Download
memory/2028-7-0x0000000000960000-0x0000000000988000-memory.dmp

Filesize
160KB

Download
memory/2028-9-0x0000000000960000-0x0000000000988000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads