Analysis
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max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
10/10/2023, 13:27
Static task
static1
Behavioral task
behavioral1
Sample
d69d730d17e30937225eb3bff9289af6f0c5c2f8428519f421853e733bb9b739.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
d69d730d17e30937225eb3bff9289af6f0c5c2f8428519f421853e733bb9b739.exe
Resource
win10v2004-20230915-en
General
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Target
d69d730d17e30937225eb3bff9289af6f0c5c2f8428519f421853e733bb9b739.exe
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Size
508KB
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MD5
7cdc45bc90410af2a2e230658f217f8a
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SHA1
0515a2346ccdd46653a6a7c9eb75321f4bd26c11
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SHA256
d69d730d17e30937225eb3bff9289af6f0c5c2f8428519f421853e733bb9b739
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SHA512
95b5e8127e82e2c067ad857da5a48a6af66fe26ee1f115900cf5cfaffa0099b5b8df444fc0beda07ad7bb78adca92f3e3efe943b8b5cf6d4bc8265c61acaffc4
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SSDEEP
6144:mp+ggUaqL7bmBB+VXvup/y8NNiqxNhHt3bcBMjUeaSCBly1EfrTrPH5WKbXE80Z:S16Lpq4NiCH2BMjWT/rPZTbX
Malware Config
Signatures
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Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
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Checks QEMU agent file 2 TTPs 2 IoCs
Checks presence of QEMU agent, possibly to detect virtualization.
description ioc Process File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe d69d730d17e30937225eb3bff9289af6f0c5c2f8428519f421853e733bb9b739.exe File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe wab.exe -
Loads dropped DLL 7 IoCs
pid Process 4712 d69d730d17e30937225eb3bff9289af6f0c5c2f8428519f421853e733bb9b739.exe 4712 d69d730d17e30937225eb3bff9289af6f0c5c2f8428519f421853e733bb9b739.exe 4712 d69d730d17e30937225eb3bff9289af6f0c5c2f8428519f421853e733bb9b739.exe 4712 d69d730d17e30937225eb3bff9289af6f0c5c2f8428519f421853e733bb9b739.exe 4712 d69d730d17e30937225eb3bff9289af6f0c5c2f8428519f421853e733bb9b739.exe 4712 d69d730d17e30937225eb3bff9289af6f0c5c2f8428519f421853e733bb9b739.exe 4712 d69d730d17e30937225eb3bff9289af6f0c5c2f8428519f421853e733bb9b739.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Startup key = "C:\\Users\\Admin\\AppData\\Local\\Temp\\subfolder1\\Bumpy.exe" wab.exe -
Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs
pid Process 4992 wab.exe 4992 wab.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 4712 d69d730d17e30937225eb3bff9289af6f0c5c2f8428519f421853e733bb9b739.exe 4992 wab.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4712 set thread context of 4992 4712 d69d730d17e30937225eb3bff9289af6f0c5c2f8428519f421853e733bb9b739.exe 97 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4712 d69d730d17e30937225eb3bff9289af6f0c5c2f8428519f421853e733bb9b739.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4992 wab.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4712 wrote to memory of 4992 4712 d69d730d17e30937225eb3bff9289af6f0c5c2f8428519f421853e733bb9b739.exe 97 PID 4712 wrote to memory of 4992 4712 d69d730d17e30937225eb3bff9289af6f0c5c2f8428519f421853e733bb9b739.exe 97 PID 4712 wrote to memory of 4992 4712 d69d730d17e30937225eb3bff9289af6f0c5c2f8428519f421853e733bb9b739.exe 97 PID 4712 wrote to memory of 4992 4712 d69d730d17e30937225eb3bff9289af6f0c5c2f8428519f421853e733bb9b739.exe 97 PID 4712 wrote to memory of 4992 4712 d69d730d17e30937225eb3bff9289af6f0c5c2f8428519f421853e733bb9b739.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\d69d730d17e30937225eb3bff9289af6f0c5c2f8428519f421853e733bb9b739.exe"C:\Users\Admin\AppData\Local\Temp\d69d730d17e30937225eb3bff9289af6f0c5c2f8428519f421853e733bb9b739.exe"1⤵
- Checks QEMU agent file
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4712 -
C:\Program Files (x86)\windows mail\wab.exe"C:\Users\Admin\AppData\Local\Temp\d69d730d17e30937225eb3bff9289af6f0c5c2f8428519f421853e733bb9b739.exe"2⤵
- Checks QEMU agent file
- Adds Run key to start application
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetWindowsHookEx
PID:4992
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
5KB
MD53dd80dff583544514eeb3a5ed851a519
SHA156f7324d9d4230c96d1963e7b3e02b05a6cf5c24
SHA25686cff5eaca76c49f924cb123d242fdcfd45ab99c4b638d3b8f4a8cfb1970ab5b
SHA512955f4df195b5d134449904e9020f80125cfb64d70d9482ff583451f3fcb10d15577ceac4180f71a96452d8478f6365160ab15731f9a79a494383087c9310fd1d
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Filesize
5KB
MD53dd80dff583544514eeb3a5ed851a519
SHA156f7324d9d4230c96d1963e7b3e02b05a6cf5c24
SHA25686cff5eaca76c49f924cb123d242fdcfd45ab99c4b638d3b8f4a8cfb1970ab5b
SHA512955f4df195b5d134449904e9020f80125cfb64d70d9482ff583451f3fcb10d15577ceac4180f71a96452d8478f6365160ab15731f9a79a494383087c9310fd1d
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Filesize
5KB
MD53dd80dff583544514eeb3a5ed851a519
SHA156f7324d9d4230c96d1963e7b3e02b05a6cf5c24
SHA25686cff5eaca76c49f924cb123d242fdcfd45ab99c4b638d3b8f4a8cfb1970ab5b
SHA512955f4df195b5d134449904e9020f80125cfb64d70d9482ff583451f3fcb10d15577ceac4180f71a96452d8478f6365160ab15731f9a79a494383087c9310fd1d
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Filesize
5KB
MD53dd80dff583544514eeb3a5ed851a519
SHA156f7324d9d4230c96d1963e7b3e02b05a6cf5c24
SHA25686cff5eaca76c49f924cb123d242fdcfd45ab99c4b638d3b8f4a8cfb1970ab5b
SHA512955f4df195b5d134449904e9020f80125cfb64d70d9482ff583451f3fcb10d15577ceac4180f71a96452d8478f6365160ab15731f9a79a494383087c9310fd1d
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Filesize
5KB
MD53dd80dff583544514eeb3a5ed851a519
SHA156f7324d9d4230c96d1963e7b3e02b05a6cf5c24
SHA25686cff5eaca76c49f924cb123d242fdcfd45ab99c4b638d3b8f4a8cfb1970ab5b
SHA512955f4df195b5d134449904e9020f80125cfb64d70d9482ff583451f3fcb10d15577ceac4180f71a96452d8478f6365160ab15731f9a79a494383087c9310fd1d
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Filesize
5KB
MD53dd80dff583544514eeb3a5ed851a519
SHA156f7324d9d4230c96d1963e7b3e02b05a6cf5c24
SHA25686cff5eaca76c49f924cb123d242fdcfd45ab99c4b638d3b8f4a8cfb1970ab5b
SHA512955f4df195b5d134449904e9020f80125cfb64d70d9482ff583451f3fcb10d15577ceac4180f71a96452d8478f6365160ab15731f9a79a494383087c9310fd1d
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Filesize
11KB
MD575ed96254fbf894e42058062b4b4f0d1
SHA1996503f1383b49021eb3427bc28d13b5bbd11977
SHA256a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7
SHA51258174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4
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Filesize
11KB
MD575ed96254fbf894e42058062b4b4f0d1
SHA1996503f1383b49021eb3427bc28d13b5bbd11977
SHA256a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7
SHA51258174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4
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Filesize
11KB
MD575ed96254fbf894e42058062b4b4f0d1
SHA1996503f1383b49021eb3427bc28d13b5bbd11977
SHA256a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7
SHA51258174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4