latrodectus | b1bd09509b474c5e4d8a652e27dfd37113ee64a238e696dd25d4c9a78f4c9b26

General

Target

018150d42eef2a004821b1ae6242a1daaeb122786b6ba4c5437f45390ccb7cd1.exe
Size

8.8MB
MD5

028903c61dc62459f4241124b7ce3e8d
SHA1

65beb2be5d0cac1f246f43dfe3bbfd2124919137
SHA256

018150d42eef2a004821b1ae6242a1daaeb122786b6ba4c5437f45390ccb7cd1
SHA512

fc616aad411d0dafdde18b2b9dd78978cfe3cb10fc7932928eed528b16a425d96f82b995cdb3c3258370c5a25402eaf5220e6d2e39a52fafb95ab68fd2dc5a00
SSDEEP

196608:7cC8osdUCWzpt8iSjiTF6pS7MO8Q6gLawggMNr2ieZMpbfn:7clFPWzpt8iSqopS7MO8Q6gLawOyiQM5

Score

10^/10

latrodectus discovery loader

Malware Config

Extracted

Family

latrodectus

Version

1.4

C2

https://piloferstaf.com/test/

https://ypredoninen.com/test/

Attributes

group
Sigma
user_agent
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Tob 1.1)

aes.hex

Extracted

Family

latrodectus

aes.hex

Signatures

Latrodectus family
latrodectus
Latrodectus loader
Latrodectus is a loader written in C++.
loader latrodectus

Downloads MZ/PE file 1 IoCs

flow	pid	Process
25	5100	Process not Found

Deletes itself 1 IoCs

pid	Process
1656	018150d42eef2a004821b1ae6242a1daaeb122786b6ba4c5437f45390ccb7cd1.exe

Executes dropped EXE 1 IoCs

pid	Process
328	Update_4266c265.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	MicrosoftEdgeUpdate.exe

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

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1724	MicrosoftEdgeUpdate.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1656	018150d42eef2a004821b1ae6242a1daaeb122786b6ba4c5437f45390ccb7cd1.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1656 wrote to memory of 328	1656	018150d42eef2a004821b1ae6242a1daaeb122786b6ba4c5437f45390ccb7cd1.exe	90
PID 1656 wrote to memory of 328	1656	018150d42eef2a004821b1ae6242a1daaeb122786b6ba4c5437f45390ccb7cd1.exe	90

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\018150d42eef2a004821b1ae6242a1daaeb122786b6ba4c5437f45390ccb7cd1.exe
"C:\Users\Admin\AppData\Local\Temp\018150d42eef2a004821b1ae6242a1daaeb122786b6ba4c5437f45390ccb7cd1.exe"
1⤵
- Deletes itself
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1656
- C:\Users\Admin\AppData\Roaming\Custom_update\Update_4266c265.exe
  "C:\Users\Admin\AppData\Roaming\Custom_update\Update_4266c265.exe"
  2⤵
  - Executes dropped EXE
  PID:328

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIxIiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODIxNjkiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1MzE4NTEwMTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI0ODgzNTgzNDE1Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:1724

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

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

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Downloads

C:\Users\Admin\AppData\Roaming\Custom_update\Update_4266c265.exe

Filesize
8.8MB

MD5
028903c61dc62459f4241124b7ce3e8d

SHA1
65beb2be5d0cac1f246f43dfe3bbfd2124919137

SHA256
018150d42eef2a004821b1ae6242a1daaeb122786b6ba4c5437f45390ccb7cd1

SHA512
fc616aad411d0dafdde18b2b9dd78978cfe3cb10fc7932928eed528b16a425d96f82b995cdb3c3258370c5a25402eaf5220e6d2e39a52fafb95ab68fd2dc5a00

Download Submit
memory/1656-0-0x0000000140000000-0x0000000141CB2000-memory.dmp

Filesize
28.7MB

Download
memory/1656-4-0x00000174C8B00000-0x00000174CA7B0000-memory.dmp

Filesize
28.7MB

Download
memory/1656-11-0x00007FF66F0C0000-0x00007FF66F9E5000-memory.dmp

Filesize
9.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads