38fc5110202d992817d1cc690c30409551c7a32171537232e2ba74f89587fb62

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
11/06/2024, 20:48

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General

Target

38fc5110202d992817d1cc690c30409551c7a32171537232e2ba74f89587fb62.exe
Size

134KB
MD5

5d55c7e988f21a6b79ea974cd3bc6ee4
SHA1

a6e1e7981e5ed09a9d3c144a42a1d1525b872bf1
SHA256

38fc5110202d992817d1cc690c30409551c7a32171537232e2ba74f89587fb62
SHA512

c1974b6e4d21b76128f8e1d09c9a7eb8fc7e371d09debac4ce8ffadec1b1ce7939067ab6360945efec60fa4d3d643f7e2c9d4509d1daab1330f1e0666a135884
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38QL:riAyLN9aa+9U2rW1ip6pr2At7NZuQL

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 5 IoCs

resource	yara_rule
behavioral1/memory/2028-0-0x0000000000830000-0x0000000000858000-memory.dmp	UPX
behavioral1/files/0x0038000000013362-2.dat	UPX
behavioral1/memory/2212-7-0x00000000009F0000-0x0000000000A18000-memory.dmp	UPX
behavioral1/memory/2028-8-0x0000000000830000-0x0000000000858000-memory.dmp	UPX
behavioral1/memory/2028-10-0x0000000000830000-0x0000000000858000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
2212	WwanSvc.exe

Loads dropped DLL 1 IoCs

pid	Process
2028	38fc5110202d992817d1cc690c30409551c7a32171537232e2ba74f89587fb62.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2028-0-0x0000000000830000-0x0000000000858000-memory.dmp	upx
behavioral1/files/0x0038000000013362-2.dat	upx
behavioral1/memory/2212-7-0x00000000009F0000-0x0000000000A18000-memory.dmp	upx
behavioral1/memory/2028-8-0x0000000000830000-0x0000000000858000-memory.dmp	upx
behavioral1/memory/2028-10-0x0000000000830000-0x0000000000858000-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"	38fc5110202d992817d1cc690c30409551c7a32171537232e2ba74f89587fb62.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 2212	2028	38fc5110202d992817d1cc690c30409551c7a32171537232e2ba74f89587fb62.exe	28
PID 2028 wrote to memory of 2212	2028	38fc5110202d992817d1cc690c30409551c7a32171537232e2ba74f89587fb62.exe	28
PID 2028 wrote to memory of 2212	2028	38fc5110202d992817d1cc690c30409551c7a32171537232e2ba74f89587fb62.exe	28
PID 2028 wrote to memory of 2212	2028	38fc5110202d992817d1cc690c30409551c7a32171537232e2ba74f89587fb62.exe	28

C:\Users\Admin\AppData\Local\Temp\38fc5110202d992817d1cc690c30409551c7a32171537232e2ba74f89587fb62.exe
"C:\Users\Admin\AppData\Local\Temp\38fc5110202d992817d1cc690c30409551c7a32171537232e2ba74f89587fb62.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:2212

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

Replay Monitor

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Downloads

\ProgramData\Update\WwanSvc.exe

Filesize
134KB

MD5
661c7e4716942477e05b4d6ccebe0928

SHA1
60de7ba7d1d789a6fd3e9ee36a8ecb92683ceb51

SHA256
9b56b4a1d74a22a0ffca6e40eb51d3cac10a4e51654ad9d0bc03d3573b10f0e1

SHA512
68bfd217b0cf937fb524aa0c0d6834125fb3320f8d76867f0f20e4cd33c318caeb35da055146657551facfa49730cdffd54fbe12ddb95d3489858ede0a7fc8fe

Download Submit
memory/2028-0-0x0000000000830000-0x0000000000858000-memory.dmp

Filesize
160KB

Download
memory/2028-6-0x00000000000F0000-0x0000000000118000-memory.dmp

Filesize
160KB

Download
memory/2028-8-0x0000000000830000-0x0000000000858000-memory.dmp

Filesize
160KB

Download
memory/2028-9-0x00000000000F0000-0x0000000000118000-memory.dmp

Filesize
160KB

Download
memory/2028-10-0x0000000000830000-0x0000000000858000-memory.dmp

Filesize
160KB

Download
memory/2212-7-0x00000000009F0000-0x0000000000A18000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads