3e70f4bcda45dd4fd17d29afb9dfe32043e2621ac0efb017bf111f0dcc3373d4

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07/08/2024, 06:36

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General

Target

7cf6112e482c5f3df51ce751160353d0N.exe
Size

134KB
MD5

7cf6112e482c5f3df51ce751160353d0
SHA1

13952b0a85856fbe0d8ba49887a9125569a54490
SHA256

3e70f4bcda45dd4fd17d29afb9dfe32043e2621ac0efb017bf111f0dcc3373d4
SHA512

522802d4d04448d2c8ad5e0d718edbb72f54db10e927b4df76db40f1b66b877e5ac19923778a37802b23fcd7965625f14bf84d5053bf3d6225d8fafc2f5e55e7
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38QE:riAyLN9aa+9U2rW1ip6pr2At7NZuQE

Score

7^/10

discovery persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3760	WwanSvc.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2620-0-0x0000000000D30000-0x0000000000D58000-memory.dmp	upx
behavioral2/files/0x00080000000234bc-3.dat	upx
behavioral2/memory/2620-4-0x0000000000D30000-0x0000000000D58000-memory.dmp	upx
behavioral2/memory/3760-6-0x0000000000E60000-0x0000000000E88000-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"	7cf6112e482c5f3df51ce751160353d0N.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	7cf6112e482c5f3df51ce751160353d0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WwanSvc.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2620 wrote to memory of 3760	2620	7cf6112e482c5f3df51ce751160353d0N.exe	83
PID 2620 wrote to memory of 3760	2620	7cf6112e482c5f3df51ce751160353d0N.exe	83
PID 2620 wrote to memory of 3760	2620	7cf6112e482c5f3df51ce751160353d0N.exe	83

C:\Users\Admin\AppData\Local\Temp\7cf6112e482c5f3df51ce751160353d0N.exe
"C:\Users\Admin\AppData\Local\Temp\7cf6112e482c5f3df51ce751160353d0N.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2620
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3760

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
134KB

MD5
5bd108ba5944551ccfb7665ddacd094c

SHA1
66bc37271a64f37fb4781c3af752706fd6d90ef4

SHA256
e408ca36e9bf1601b4bad19edea09c6df30fca70701dc21b873f8d03905ec142

SHA512
b0d64aafc46da7ce0f3e905091a2856a8d1ad790bbeb55eb1d0b9ba79ae5ce12b181ab2df6b9da8ddc36cc255f669f1d76c77331ec2bf3a227c76b8a76b0769b

Download Submit
memory/2620-0-0x0000000000D30000-0x0000000000D58000-memory.dmp

Filesize
160KB

Download
memory/2620-4-0x0000000000D30000-0x0000000000D58000-memory.dmp

Filesize
160KB

Download
memory/3760-6-0x0000000000E60000-0x0000000000E88000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads