Analysis
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max time kernel
120s -
max time network
139s -
platform
windows7_x64 -
resource
win7-20230712-en -
resource tags
arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system -
submitted
30-07-2023 22:02
Static task
static1
Behavioral task
behavioral1
Sample
svchost.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
svchost.exe
Resource
win10-20230703-en
Behavioral task
behavioral3
Sample
svchost.exe
Resource
win10v2004-20230703-en
General
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Target
svchost.exe
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Size
4.0MB
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MD5
d076c4b5f5c42b44d583c534f78adbe7
-
SHA1
c35478e67d490145520be73277cd72cd4e837090
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SHA256
2c63c61e0adaaf669c9c674edfc9081d415c05b834611944a682f120ab9559d8
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SHA512
b2dfcf98695e7e40578f02a104a1c2fa1de29d13b0056d3dc4a5689168546f437bfd6acbc99e3766f94efb01bac5c908f3e80795f017e1629c97b6b1026ce638
-
SSDEEP
49152:hGXwGFfpgG2Gv0l1YzzsYvbQaWfG85EIUFiqeb0/B1:MFaTGsgB4ENiqe
Malware Config
Extracted
laplas
http://185.209.161.189
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api_key
f0cd0c3938331a84425c6e784f577ccd87bb667cfdb44cc24f97f402ac5e15b7
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2500 ntlhost.exe -
Loads dropped DLL 2 IoCs
pid Process 2056 svchost.exe 2056 svchost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3408354897-1169622894-3874090110-1000\Software\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" svchost.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 2 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2056 wrote to memory of 2500 2056 svchost.exe 28 PID 2056 wrote to memory of 2500 2056 svchost.exe 28 PID 2056 wrote to memory of 2500 2056 svchost.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\svchost.exe"C:\Users\Admin\AppData\Local\Temp\svchost.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2056 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe2⤵
- Executes dropped EXE
PID:2500
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
655.9MB
MD5311452185ea5f73635dc04245bffd137
SHA1067a4dbab7612a60920811f4242a9077c9e14281
SHA256818b3c3898554f16c4ae48baa1e02cd7f1030e03787832a51f7f4f9c182eb9ea
SHA512f230f77031b181e07b2821522b52f5147560b27e1a44bb942e50fec5b59c78b92888a21bc8d28f9d7b38e49074bc4f1a131d18fcb36ed1b33dfba60d80e6f0fd
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Filesize
645.6MB
MD515560bc296ebe98275dab69f5513ae6a
SHA19538d8a6459771ac3bbdeedfd61d2cb29a1db415
SHA2569b47151586b062a33693c4f2b815042d0d92675f6a49ae8c89dee0954d09cb6b
SHA512e22a89a5f64d5837262cb0cd450c7c4bc512c6e46a702247806c68707d19b46cdf34cd5f6621aa5ea7bcb7bedfde3053d4d0f4f9b6f2d9e9279c602c4f0d7957
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Filesize
633.7MB
MD5e4dabe85058ba819c94d2cd8e28678a8
SHA18a6f4229b7d786479709700fedb54ae0da3f0a42
SHA256f1005820a8c55e9975075569ffb12b26fd3877a34b1b32cf5a01b4ded8798e3e
SHA512503bda6c5313eb7e1094fd96cb0a113f45c6ef9a84c880bbb9f51b7469591daea3157e5ea437a1a8d8bfac4bc3f9a38188456871551f2602ae3af3edfb9c2465