056a785d25cc1986d5cecf1d322947cc11ecc5691da0c1b799bcbcfe992c0266

Analysis

max time kernel
30s
max time network
16s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
15/07/2024, 02:43

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General

Target

66ffdfa7c91bf33226b13d4f90df1af0N.exe
Size

134KB
MD5

66ffdfa7c91bf33226b13d4f90df1af0
SHA1

e7421a73a35c90b690c93fd9cf31a30818ce6461
SHA256

056a785d25cc1986d5cecf1d322947cc11ecc5691da0c1b799bcbcfe992c0266
SHA512

6c55257a767be358b7c2eb45f76d723b83d9157b142504a426bde4cd5349d07468b34cd97baf2a4fd1d6eb6d7fb82d96ca93bd1e3b890b18bc2e0145754cf641
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38QI:riAyLN9aa+9U2rW1ip6pr2At7NZuQI

Score

7^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2796	WwanSvc.exe

Loads dropped DLL 1 IoCs

pid	Process
2932	66ffdfa7c91bf33226b13d4f90df1af0N.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2932-0-0x0000000000CC0000-0x0000000000CE8000-memory.dmp	upx
behavioral1/files/0x0008000000015d0d-2.dat	upx
behavioral1/memory/2796-6-0x0000000000D80000-0x0000000000DA8000-memory.dmp	upx
behavioral1/memory/2932-7-0x0000000000CC0000-0x0000000000CE8000-memory.dmp	upx
behavioral1/memory/2796-9-0x0000000000D80000-0x0000000000DA8000-memory.dmp	upx
behavioral1/memory/2932-10-0x0000000000CC0000-0x0000000000CE8000-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"	66ffdfa7c91bf33226b13d4f90df1af0N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2932 wrote to memory of 2796	2932	66ffdfa7c91bf33226b13d4f90df1af0N.exe	28
PID 2932 wrote to memory of 2796	2932	66ffdfa7c91bf33226b13d4f90df1af0N.exe	28
PID 2932 wrote to memory of 2796	2932	66ffdfa7c91bf33226b13d4f90df1af0N.exe	28
PID 2932 wrote to memory of 2796	2932	66ffdfa7c91bf33226b13d4f90df1af0N.exe	28

C:\Users\Admin\AppData\Local\Temp\66ffdfa7c91bf33226b13d4f90df1af0N.exe
"C:\Users\Admin\AppData\Local\Temp\66ffdfa7c91bf33226b13d4f90df1af0N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2932
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  PID:2796

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

\ProgramData\Update\WwanSvc.exe

Filesize
134KB

MD5
e86eedd3e6b0932d34df05b8ee30d3c9

SHA1
02e608885c5346ef011466c8f978268ea5a120c1

SHA256
cd72ab70a4a1216d9aaac961d1578733ce6a661ea751f3d982a5fc25ef703dd3

SHA512
9119fb2535c81beebaf3838b5a54008ed0a63fa6cea005e90e04ffdc6dca2301189ab39e47264339306448262e4080c78eb156f3f4b627fa8e924e3f1426b18a

Download Submit
memory/2796-6-0x0000000000D80000-0x0000000000DA8000-memory.dmp

Filesize
160KB

Download
memory/2796-9-0x0000000000D80000-0x0000000000DA8000-memory.dmp

Filesize
160KB

Download
memory/2932-0-0x0000000000CC0000-0x0000000000CE8000-memory.dmp

Filesize
160KB

Download
memory/2932-7-0x0000000000CC0000-0x0000000000CE8000-memory.dmp

Filesize
160KB

Download
memory/2932-8-0x00000000000F0000-0x0000000000118000-memory.dmp

Filesize
160KB

Download
memory/2932-10-0x0000000000CC0000-0x0000000000CE8000-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