latrodectus | f01b02a08c1953e7db9ce61207b121c6efbe986181ba0df1ec205b5909bd856c

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25-08-2024 10:55

240825-mz9snasdql 10

25-08-2024 09:03

240825-k1g3xswbnf 10

25-08-2024 08:53

240825-ktjyyavhlb 10

Analysis

max time kernel
92s
max time network
99s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
25-08-2024 10:55

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Report Analysis Logs

General

Target

f01b02a08c1953e7db9ce61207b121c6efbe986181ba0df1ec205b5909bd856c.exe
Size

2.3MB
MD5

9fb83bee6ff97065c498f48fc094f848
SHA1

860112de5e833eb5fd9abaaf6db7c881c13220f8
SHA256

f01b02a08c1953e7db9ce61207b121c6efbe986181ba0df1ec205b5909bd856c
SHA512

103f87414802d1edd3d932626a370cd8b3e37666d541e7550257ffa5f5e6b0ce357f11dd14f13a5ff831d02da6a596d101682adf68855c1982093da03bdf8a96
SSDEEP

49152:YMLtHPldWW5afLAUCweyFI0ZBAFCGLcRe2xTIYLEs:j5aMUzRe2M

Score

10^/10

latrodectus loader

Malware Config

Signatures

Detects Latrodectus 6 IoCs

Detects Latrodectus v1.4.

resource	yara_rule
behavioral1/memory/3600-0-0x0000000002030000-0x0000000002046000-memory.dmp	family_latrodectus_1_4
behavioral1/memory/3600-1-0x0000000002030000-0x0000000002046000-memory.dmp	family_latrodectus_1_4
behavioral1/memory/3600-3-0x0000000002030000-0x0000000002046000-memory.dmp	family_latrodectus_1_4
behavioral1/memory/3600-8-0x0000000002030000-0x0000000002046000-memory.dmp	family_latrodectus_1_4
behavioral1/memory/1176-9-0x00000000004C0000-0x00000000004D6000-memory.dmp	family_latrodectus_1_4
behavioral1/memory/1176-10-0x00000000004C0000-0x00000000004D6000-memory.dmp	family_latrodectus_1_4

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

Deletes itself 1 IoCs

pid	Process
3600	f01b02a08c1953e7db9ce61207b121c6efbe986181ba0df1ec205b5909bd856c.exe

Executes dropped EXE 2 IoCs

pid	Process
1176	Update_fd2f8641.exe
1492	Update_fd2f8641.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3600	f01b02a08c1953e7db9ce61207b121c6efbe986181ba0df1ec205b5909bd856c.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3600 wrote to memory of 1176	3600	f01b02a08c1953e7db9ce61207b121c6efbe986181ba0df1ec205b5909bd856c.exe	82
PID 3600 wrote to memory of 1176	3600	f01b02a08c1953e7db9ce61207b121c6efbe986181ba0df1ec205b5909bd856c.exe	82

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\f01b02a08c1953e7db9ce61207b121c6efbe986181ba0df1ec205b5909bd856c.exe
"C:\Users\Admin\AppData\Local\Temp\f01b02a08c1953e7db9ce61207b121c6efbe986181ba0df1ec205b5909bd856c.exe"
1⤵
- Deletes itself
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:3600
- C:\Users\Admin\AppData\Roaming\Custom_update\Update_fd2f8641.exe
  "C:\Users\Admin\AppData\Roaming\Custom_update\Update_fd2f8641.exe"
  2⤵
  - Executes dropped EXE
  PID:1176

C:\Users\Admin\AppData\Roaming\Custom_update\Update_fd2f8641.exe
C:\Users\Admin\AppData\Roaming\Custom_update\Update_fd2f8641.exe
1⤵
- Executes dropped EXE
PID:1492

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Custom_update\Update_fd2f8641.exe

Filesize
2.3MB

MD5
9fb83bee6ff97065c498f48fc094f848

SHA1
860112de5e833eb5fd9abaaf6db7c881c13220f8

SHA256
f01b02a08c1953e7db9ce61207b121c6efbe986181ba0df1ec205b5909bd856c

SHA512
103f87414802d1edd3d932626a370cd8b3e37666d541e7550257ffa5f5e6b0ce357f11dd14f13a5ff831d02da6a596d101682adf68855c1982093da03bdf8a96

Download Submit
memory/1176-9-0x00000000004C0000-0x00000000004D6000-memory.dmp

Filesize
88KB

Download
memory/1176-10-0x00000000004C0000-0x00000000004D6000-memory.dmp

Filesize
88KB

Download
memory/3600-0-0x0000000002030000-0x0000000002046000-memory.dmp

Filesize
88KB

Download
memory/3600-1-0x0000000002030000-0x0000000002046000-memory.dmp

Filesize
88KB

Download
memory/3600-3-0x0000000002030000-0x0000000002046000-memory.dmp

Filesize
88KB

Download
memory/3600-8-0x0000000002030000-0x0000000002046000-memory.dmp

Filesize
88KB

Download
memory/3600-6-0x0000000140000000-0x0000000140254000-memory.dmp

Filesize
2.3MB

Download