b499f9290495e5e404e79573c3478d93b5c58d306812806fc5016d4c463edacb

Analysis

max time kernel
122s
max time network
128s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-09-2024 11:13

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General

Target

b499f9290495e5e404e79573c3478d93b5c58d306812806fc5016d4c463edacb.dll
Size

7.0MB
MD5

278cb5046d7aadfb0966159c80f72b8b
SHA1

5f2b9aa5612832c8b39dd282c6f5f59f86b91915
SHA256

b499f9290495e5e404e79573c3478d93b5c58d306812806fc5016d4c463edacb
SHA512

e54fdbdf2439f4e6df2a34b55592c4b306ff1b4cc2c03b1137da96443c9a70b7618aaf22501f4946cda5e7a0103da73753e55509b9505c4ee70346308398896b
SSDEEP

98304:5W3iKD6FqceKujylxXJKvNYdgft51AV4ohU1uOAxTqI:5iYNXJKvNQgS4o7xTq

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
2764	rundll32.exe
2764	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 SetWindowsHookEx 1 IoCs

pid	Process
2764	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2728 wrote to memory of 2764	2728	rundll32.exe	30
PID 2728 wrote to memory of 2764	2728	rundll32.exe	30
PID 2728 wrote to memory of 2764	2728	rundll32.exe	30
PID 2728 wrote to memory of 2764	2728	rundll32.exe	30
PID 2728 wrote to memory of 2764	2728	rundll32.exe	30
PID 2728 wrote to memory of 2764	2728	rundll32.exe	30
PID 2728 wrote to memory of 2764	2728	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b499f9290495e5e404e79573c3478d93b5c58d306812806fc5016d4c463edacb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2728
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b499f9290495e5e404e79573c3478d93b5c58d306812806fc5016d4c463edacb.dll,#1
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2764

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

\Users\Admin\AppData\Roaming\CareFree\libeay32.dll

Filesize
1.4MB

MD5
ff5c63efbba91a0eec9fc645da655b4c

SHA1
d225ceff3601b57add69df7d854b2348a8980255

SHA256
e1fbb97ff3607d569d584f78ce77a9dd2cf64dca05aebdbf3e55c9711e07b3be

SHA512
96b963823d7a28e4d4ecd703aa26ad3d3e1d4086e09a4cc08ca88c30c9b8ceb42b7daf184e33b9175f87a566e78028cca3e6ab90ed6537598677f27b15eefce5

Download Submit
\Users\Admin\AppData\Roaming\CareFree\ssleay32.dll

Filesize
264KB

MD5
e0cd0800a00d51025968d778d0e6b2b3

SHA1
cbba62613c441e94d2f4add503436f26d2af2f21

SHA256
b4434b408409d36d8e0d0bcf41ad804d02fdee96bc7f8255105380bfcec0d1f5

SHA512
633427c9573019c63fe50769bf78955eb9ceac6a8d47aaf6bcf57704dc26166fd657bfdfb7a7809a3353e8cd642dc9a011454c7d83c76eb9eca2e79d7fa74856

Download Submit
memory/2764-3-0x0000000000A40000-0x0000000000A86000-memory.dmp

Filesize
280KB

Download