Analysis
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max time kernel
134s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
24-03-2023 17:17
Static task
static1
Behavioral task
behavioral1
Sample
vx.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
vx.exe
Resource
win10v2004-20230220-en
General
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Target
vx.exe
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Size
385KB
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MD5
0483d8bc0a1258011f297d1984f040c7
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SHA1
fe2ed57c265d6e99eeba2118e500765354afdcff
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SHA256
17ab123e35e0532b63a09c89db6d57ad19b17488f2211f6e6e2fcc3f091b90f2
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SHA512
5d7ddc1a9a4a760c3b19387c7a1c8a898093b55ff52b095d1b9c5db0d043375cad79e804b82f1d7375c17190f054f357d4e62224e30b1dc263161b84168a926f
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SSDEEP
3072:0orV6p1eJaaPASzaq/13Ja27/7qUF7+3WiXhNivSJFIjHr2oXcWcHDNVRMyObobL:R6WaafB7/OUtiXhNoSJ2GFWeNDw0Ou1
Malware Config
Extracted
cobaltstrike
666666
http://124.223.3.43:8044/_/scs/mail-static/_/js/
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access_type
512
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host
124.223.3.43,/_/scs/mail-static/_/js/
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http_header1
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http_header2
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http_method1
GET
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http_method2
POST
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jitter
3840
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polling_time
60000
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port_number
8044
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sc_process32
%windir%\syswow64\rundll32.exe
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sc_process64
%windir%\sysnative\rundll32.exe
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state_machine
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCcG2kqoSw8E9T8Cl9ycqidjuKPzv5EblAlDcEXeYDWavhJj4c7w1gqyJNT4v8+gowa/baCxxAWamdmIMA24OZv3FI2ei/sDD9Pklhapa7P3cremdIeGotOLoscwepsVXG+NOEZ0tVsC0hKGMHwk9Qz/2KKMCVG005Im2muwaj5WQIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
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unknown1
5.37071616e+08
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unknown2
AAAABAAAAAEAAAF3AAAAAQAAAPoAAAACAAAABAAAAAIAAAAcAAAAAgAAACQAAAACAAAAEgAAAAIAAAAEAAAAAgAAABwAAAACAAAAJAAAAAIAAAARAAAAAgAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
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uri
/mail/u/0/
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user_agent
Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; GTB7.4; .NET4.0C)
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watermark
666666
Signatures
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Cobaltstrike
Detected malicious payload which is part of Cobaltstrike.
-
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
vx.exedescription pid process target process PID 3600 wrote to memory of 1932 3600 vx.exe cmd.exe PID 3600 wrote to memory of 1932 3600 vx.exe cmd.exe
Processes
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Windows\Temp\R8QDM0EXOA2EYF7R36BEA.tmpFilesize
259KB
MD5fb2e1f5b1fb0d27c73ad588f53e8760c
SHA12f74ac46bdac425e6434060cefb90d83d3711668
SHA256a5fa5e0b3e8cddcc93588c56f1e08f94c17ac2736be6c7f16fb762ac03ce5ce6
SHA5122f1ca8c5fe0457a5f7058040fb87b42f8f758ecbc593f2a89ef709282268d2cdc9ade6650e26a1f85bb8072cc9a47ab351f2029537eccf40dcdedf6aa1339496
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memory/3600-138-0x000002720C4B0000-0x000002720C4F1000-memory.dmpFilesize
260KB
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memory/3600-139-0x000002720C600000-0x000002720C64F000-memory.dmpFilesize
316KB
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memory/3600-140-0x000002720C600000-0x000002720C64F000-memory.dmpFilesize
316KB
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memory/3600-142-0x000002720C600000-0x000002720C64F000-memory.dmpFilesize
316KB