lockbit | 3968a850f5bc70d954bb5609d929f181a6f05a117fa3be4531cbd96cedfde5d6

Analysis

max time kernel
125s
max time network
127s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20241211-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20241211-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
20-12-2024 00:56

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General

Target

LBB_Rundll32_pass.dll
Size

154KB
MD5

b51e42d419218e70b0ae216c3ac57784
SHA1

f3023c627d1dce8d5ff4e6733af420df350fdda7
SHA256

a98fb2671ae63d179c1cf39d163a4b3dbf769c9951a0ebad5d4c76244752253e
SHA512

96fa388526984f3976ddb5f5376af88200e3d85bc41754556f9b00be32c81332d52aeb5b1e0387ce83be220f34199a88379aa9c90f679eb17ac10f9cf8714f37
SSDEEP

3072:sUM/b6nriEhhyj26gWNOm18JcdwgqYUkSvVDjogUliww56T9tEtc:sUsmr7yX3Um18JcdwgqYUkCRjorqGTP

Score

10^/10

lockbit discovery ransomware

Malware Config

Signatures

Lockbit
Ransomware family with multiple variants released since late 2019.
ransomware lockbit
Lockbit family
lockbit

Rule to detect Lockbit 3.0 ransomware Windows payload 1 IoCs

resource	yara_rule
behavioral9/memory/2216-0-0x0000000010000000-0x000000001002A000-memory.dmp	family_lockbit

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 3 IoCs

description	pid	Process	procid_target
PID 1432 wrote to memory of 2216	1432	rundll32.exe	91
PID 1432 wrote to memory of 2216	1432	rundll32.exe	91
PID 1432 wrote to memory of 2216	1432	rundll32.exe	91

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\LBB_Rundll32_pass.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1432
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\LBB_Rundll32_pass.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2216

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --string-annotations=is-enterprise-managed=no --field-trial-handle=4080,i,14915339153108214952,13513928827091056845,262144 --variations-seed-version --mojo-platform-channel-handle=5020 /prefetch:8
1⤵
PID:3100

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --string-annotations=is-enterprise-managed=no --field-trial-handle=3208,i,14915339153108214952,13513928827091056845,262144 --variations-seed-version --mojo-platform-channel-handle=4344 /prefetch:8
1⤵
PID:2564

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/2216-0-0x0000000010000000-0x000000001002A000-memory.dmp

Filesize
168KB

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