d9a4b71fe192498302d03c778811ddfe3c8433222ce9ab4fc54111724db9fabd

General

Target

2024-10-02_fdb339d6f10e4a15ac27fdd8f78883ea_lockbit.exe
Size

32KB
MD5

fdb339d6f10e4a15ac27fdd8f78883ea
SHA1

401c4e1cbf2f2223477c2bbd61b33f8af2146fcd
SHA256

d9a4b71fe192498302d03c778811ddfe3c8433222ce9ab4fc54111724db9fabd
SHA512

f8f42384a58de709e4fd4d3693e17f8e1b62c24c80027320fe06403884619f17a21c9ed84f0c523b01b9cb45ad9349a3f37089677c21b68eec120a80a009743f
SSDEEP

768:xF2jccRV0SOZ4Okd5uIuEnMAnHw7waN8BB5Ix4PC74801X5:HyV0SO2Okd5uQBrakBGx40480x5

Score

7^/10

defense_evasion discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	2024-10-02_fdb339d6f10e4a15ac27fdd8f78883ea_lockbit.exe

Executes dropped EXE 1 IoCs

pid	Process
2016	wecutil.exe

Subvert Trust Controls: Mark-of-the-Web Bypass 1 TTPs 1 IoCs

When files are downloaded from the Internet, they are tagged with a hidden NTFS Alternate Data Stream (ADS) named Zone.Identifier with a specific value known as the MOTW.

defense_evasion

SIP and Trust Provider Hijacking

T1553.003

description	ioc	Process
File opened for modification	C:\ProgramData\Microsoft\v2.0_2.0.0.0__35a050ecd74d48ec\wecutil.exe:Zone.Identifier	2024-10-02_fdb339d6f10e4a15ac27fdd8f78883ea_lockbit.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 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	2024-10-02_fdb339d6f10e4a15ac27fdd8f78883ea_lockbit.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wecutil.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fsutil.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
3148	cmd.exe
3556	PING.EXE

NTFS ADS 1 IoCs

description	ioc	Process
File opened for modification	C:\ProgramData\Microsoft\v2.0_2.0.0.0__35a050ecd74d48ec\wecutil.exe:Zone.Identifier	2024-10-02_fdb339d6f10e4a15ac27fdd8f78883ea_lockbit.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3556	PING.EXE

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 212 wrote to memory of 3148	212	2024-10-02_fdb339d6f10e4a15ac27fdd8f78883ea_lockbit.exe	88
PID 212 wrote to memory of 3148	212	2024-10-02_fdb339d6f10e4a15ac27fdd8f78883ea_lockbit.exe	88
PID 212 wrote to memory of 3148	212	2024-10-02_fdb339d6f10e4a15ac27fdd8f78883ea_lockbit.exe	88
PID 3148 wrote to memory of 3556	3148	cmd.exe	90
PID 3148 wrote to memory of 3556	3148	cmd.exe	90
PID 3148 wrote to memory of 3556	3148	cmd.exe	90
PID 3148 wrote to memory of 4776	3148	cmd.exe	93
PID 3148 wrote to memory of 4776	3148	cmd.exe	93
PID 3148 wrote to memory of 4776	3148	cmd.exe	93

C:\Users\Admin\AppData\Local\Temp\2024-10-02_fdb339d6f10e4a15ac27fdd8f78883ea_lockbit.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-02_fdb339d6f10e4a15ac27fdd8f78883ea_lockbit.exe"
1⤵
- Checks computer location settings
- Subvert Trust Controls: Mark-of-the-Web Bypass
- System Location Discovery: System Language Discovery
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:212
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /d /c ping -n 2 127.0.0.1 > NUL & fsutil file setzerodata offset=0 length=524288 "C:\Users\Admin\AppData\Local\Temp\2024-10-02_fdb339d6f10e4a15ac27fdd8f78883ea_lockbit.exe" & del "C:\Users\Admin\AppData\Local\Temp\2024-10-02_fdb339d6f10e4a15ac27fdd8f78883ea_lockbit.exe" > NUL & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:3148
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 2 127.0.0.1
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:3556
- - C:\Windows\SysWOW64\fsutil.exe
    fsutil file setzerodata offset=0 length=524288 "C:\Users\Admin\AppData\Local\Temp\2024-10-02_fdb339d6f10e4a15ac27fdd8f78883ea_lockbit.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4776

C:\ProgramData\Microsoft\v2.0_2.0.0.0__35a050ecd74d48ec\wecutil.exe
C:\ProgramData\Microsoft\v2.0_2.0.0.0__35a050ecd74d48ec\wecutil.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2016

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Subvert Trust Controls

1

T1553

SIP and Trust Provider Hijacking

1

T1553.003

Credential Access

Discovery

Query Registry

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Microsoft\v2.0_2.0.0.0__35a050ecd74d48ec\wecutil.exe

Filesize
32KB

MD5
f502027646bc70fbd91ecbccd9f32b53

SHA1
626faac31b071e82ba1cc4cb595280123cf8915e

SHA256
e98619b112b000349146aa331a7db6926d67c25ab95ce41bc0d4a772afee44a7

SHA512
3a244b23dc448f4d9a5c06fb06cc9f4d90659425b69a36ec6af46a9f41334b7043dbe44ac376bea77955ed5dfd47ed38782842522d235976b119ff43ff440f5e

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB49A.tmp

Filesize
32KB

MD5
fdb339d6f10e4a15ac27fdd8f78883ea

SHA1
401c4e1cbf2f2223477c2bbd61b33f8af2146fcd

SHA256
d9a4b71fe192498302d03c778811ddfe3c8433222ce9ab4fc54111724db9fabd

SHA512
f8f42384a58de709e4fd4d3693e17f8e1b62c24c80027320fe06403884619f17a21c9ed84f0c523b01b9cb45ad9349a3f37089677c21b68eec120a80a009743f

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Analysis

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