7796341937010110a266a127d86df0725e625d9be1c02fc4fa5dc7fe96a42598

Analysis

max time kernel
117s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
15-12-2024 22:20

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General

Target

WB/libcurl.dll
Size

730KB
MD5

21c76027249d2797f7c525826443dff9
SHA1

dce966f85251255d1ced14641583d14f6c94d889
SHA256

b886350941b3d0c5832e6e03b1b88e562f7b27d7a81cf36895387ab319f682e9
SHA512

dba30e2c765445f2c7b56f07450b336df3ba696b51b2c3e6be88bb8698bfefb122b13406facb5a677c38b0580a7753dd28cc794f7da6aca850de6adae4d0d625
SSDEEP

12288:oeeQvbf7tRlvGt0v1SROTElo+fnpwsN18RHON2l0q8hdJvV66M/wNpkR:o8nPv15GZfqsX0HON2lCL+/INW

Score

7^/10

discovery vmprotect

Malware Config

Signatures

VMProtect packed file 4 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral1/memory/2264-3-0x0000000010000000-0x0000000010212000-memory.dmp	vmprotect
behavioral1/memory/2264-2-0x0000000010000000-0x0000000010212000-memory.dmp	vmprotect
behavioral1/memory/2264-1-0x0000000010000000-0x0000000010212000-memory.dmp	vmprotect
behavioral1/memory/2264-0-0x0000000010000000-0x0000000010212000-memory.dmp	vmprotect

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2264	rundll32.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\libcurl.dll	rundll32.exe
File created	C:\Windows\libcurl.dll	rundll32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2980 wrote to memory of 2264	2980	rundll32.exe	30
PID 2980 wrote to memory of 2264	2980	rundll32.exe	30
PID 2980 wrote to memory of 2264	2980	rundll32.exe	30
PID 2980 wrote to memory of 2264	2980	rundll32.exe	30
PID 2980 wrote to memory of 2264	2980	rundll32.exe	30
PID 2980 wrote to memory of 2264	2980	rundll32.exe	30
PID 2980 wrote to memory of 2264	2980	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\WB\libcurl.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2980
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\WB\libcurl.dll,#1
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:2264

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2264-3-0x0000000010000000-0x0000000010212000-memory.dmp

Filesize
2.1MB

Download
memory/2264-2-0x0000000010000000-0x0000000010212000-memory.dmp

Filesize
2.1MB

Download
memory/2264-1-0x0000000010000000-0x0000000010212000-memory.dmp

Filesize
2.1MB

Download
memory/2264-0-0x0000000010000000-0x0000000010212000-memory.dmp

Filesize
2.1MB

Download