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Resubmissions
25/08/2024, 10:55 UTC
240825-mz9snasdql 1025/08/2024, 09:03 UTC
240825-k1g3xswbnf 1025/08/2024, 08:53 UTC
240825-ktjyyavhlb 10Analysis
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max time kernel
131s -
max time network
132s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
25/08/2024, 09:03 UTC
Static task
static1
Behavioral task
behavioral1
Sample
f01b02a08c1953e7db9ce61207b121c6efbe986181ba0df1ec205b5909bd856c.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
f01b02a08c1953e7db9ce61207b121c6efbe986181ba0df1ec205b5909bd856c.exe
Resource
win10v2004-20240802-en
General
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Target
f01b02a08c1953e7db9ce61207b121c6efbe986181ba0df1ec205b5909bd856c.exe
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Size
2.3MB
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MD5
9fb83bee6ff97065c498f48fc094f848
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SHA1
860112de5e833eb5fd9abaaf6db7c881c13220f8
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SHA256
f01b02a08c1953e7db9ce61207b121c6efbe986181ba0df1ec205b5909bd856c
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SHA512
103f87414802d1edd3d932626a370cd8b3e37666d541e7550257ffa5f5e6b0ce357f11dd14f13a5ff831d02da6a596d101682adf68855c1982093da03bdf8a96
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SSDEEP
49152:YMLtHPldWW5afLAUCweyFI0ZBAFCGLcRe2xTIYLEs:j5aMUzRe2M
Malware Config
Signatures
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Detects Latrodectus 6 IoCs
Detects Latrodectus v1.4.
resource yara_rule behavioral2/memory/2380-0-0x0000000000440000-0x0000000000456000-memory.dmp family_latrodectus_1_4 behavioral2/memory/2380-1-0x0000000000440000-0x0000000000456000-memory.dmp family_latrodectus_1_4 behavioral2/memory/2380-2-0x0000000000440000-0x0000000000456000-memory.dmp family_latrodectus_1_4 behavioral2/memory/2380-8-0x0000000000440000-0x0000000000456000-memory.dmp family_latrodectus_1_4 behavioral2/memory/1100-10-0x0000000000440000-0x0000000000456000-memory.dmp family_latrodectus_1_4 behavioral2/memory/1100-9-0x0000000000440000-0x0000000000456000-memory.dmp family_latrodectus_1_4 -
Latrodectus loader
Latrodectus is a loader written in C++.
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Deletes itself 1 IoCs
pid Process 2380 f01b02a08c1953e7db9ce61207b121c6efbe986181ba0df1ec205b5909bd856c.exe -
Executes dropped EXE 1 IoCs
pid Process 1100 Update_2bba8ec5.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2380 f01b02a08c1953e7db9ce61207b121c6efbe986181ba0df1ec205b5909bd856c.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2380 wrote to memory of 1100 2380 f01b02a08c1953e7db9ce61207b121c6efbe986181ba0df1ec205b5909bd856c.exe 84 PID 2380 wrote to memory of 1100 2380 f01b02a08c1953e7db9ce61207b121c6efbe986181ba0df1ec205b5909bd856c.exe 84 -
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.
Processes
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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:2380 -
C:\Users\Admin\AppData\Roaming\Custom_update\Update_2bba8ec5.exe"C:\Users\Admin\AppData\Roaming\Custom_update\Update_2bba8ec5.exe"2⤵
- Executes dropped EXE
PID:1100
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Network
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Remote address:8.8.8.8:53Request208.146.102.100.in-addr.arpaIN PTRResponse208.146.102.100.in-addr.arpaIN A100.64.72.105
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Remote address:8.8.8.8:53Request141.9.121.100.in-addr.arpaIN PTRResponse141.9.121.100.in-addr.arpaIN A100.71.77.246
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Remote address:8.8.8.8:53Request88.216.78.100.in-addr.arpaIN PTRResponse88.216.78.100.in-addr.arpaIN A100.67.30.30
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Remote address:8.8.8.8:53Request72.62.85.100.in-addr.arpaIN PTRResponse72.62.85.100.in-addr.arpaIN A100.105.5.42
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Remote address:8.8.8.8:53Request73.227.65.100.in-addr.arpaIN PTRResponse73.227.65.100.in-addr.arpaIN A100.96.139.144
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Remote address:8.8.8.8:53Request163.220.94.100.in-addr.arpaIN PTRResponse163.220.94.100.in-addr.arpaIN A100.96.219.168
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74 B 118 B 1 1
DNS Request
208.146.102.100.in-addr.arpa
DNS Response
100.64.72.105
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72 B 114 B 1 1
DNS Request
141.9.121.100.in-addr.arpa
DNS Response
100.71.77.246
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72 B 114 B 1 1
DNS Request
88.216.78.100.in-addr.arpa
DNS Response
100.67.30.30
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71 B 112 B 1 1
DNS Request
72.62.85.100.in-addr.arpa
DNS Response
100.105.5.42
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72 B 114 B 1 1
DNS Request
73.227.65.100.in-addr.arpa
DNS Response
100.96.139.144
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73 B 116 B 1 1
DNS Request
163.220.94.100.in-addr.arpa
DNS Response
100.96.219.168
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.3MB
MD59fb83bee6ff97065c498f48fc094f848
SHA1860112de5e833eb5fd9abaaf6db7c881c13220f8
SHA256f01b02a08c1953e7db9ce61207b121c6efbe986181ba0df1ec205b5909bd856c
SHA512103f87414802d1edd3d932626a370cd8b3e37666d541e7550257ffa5f5e6b0ce357f11dd14f13a5ff831d02da6a596d101682adf68855c1982093da03bdf8a96