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Analysis
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max time kernel
144s -
max time network
147s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
03/04/2023, 05:55
Static task
static1
Behavioral task
behavioral1
Sample
008100179377_INV_AWB_20230329.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
008100179377_INV_AWB_20230329.exe
Resource
win10v2004-20230220-en
General
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Target
008100179377_INV_AWB_20230329.exe
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Size
339KB
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MD5
8ee10213a8319fdec8c2229e264a01d4
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SHA1
c4e084201355eb124444d2ef58e049386fd0fb39
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SHA256
4506e6e700c4e9b899f09c826a0d34a4a601654ce891dec0fe5a62dbb89f82e7
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SHA512
5f1ff49411157502a73b89e481f69d35c710e9d4b9340beadd5b92ac59ecc3ff7347597ac42c65393bc9b32821b8f4b86bf5135f28450fb55812a4f0dd1c4298
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SSDEEP
6144:yPXlu0E/c84v3K/qVkEizYgANMNMK9QlOMMWVJvVyn2hsXWyVjrKr:5/GvK/qDiLBKfIWVJvV6C/ypa
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 008100179377_INV_AWB_20230329.exe File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe 008100179377_INV_AWB_20230329.exe -
Loads dropped DLL 1 IoCs
pid Process 1712 008100179377_INV_AWB_20230329.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 1712 008100179377_INV_AWB_20230329.exe 768 008100179377_INV_AWB_20230329.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1712 set thread context of 768 1712 008100179377_INV_AWB_20230329.exe 28 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1712 008100179377_INV_AWB_20230329.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 1712 wrote to memory of 768 1712 008100179377_INV_AWB_20230329.exe 28 PID 1712 wrote to memory of 768 1712 008100179377_INV_AWB_20230329.exe 28 PID 1712 wrote to memory of 768 1712 008100179377_INV_AWB_20230329.exe 28 PID 1712 wrote to memory of 768 1712 008100179377_INV_AWB_20230329.exe 28 PID 1712 wrote to memory of 768 1712 008100179377_INV_AWB_20230329.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\008100179377_INV_AWB_20230329.exe"C:\Users\Admin\AppData\Local\Temp\008100179377_INV_AWB_20230329.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:1712 -
C:\Users\Admin\AppData\Local\Temp\008100179377_INV_AWB_20230329.exe"C:\Users\Admin\AppData\Local\Temp\008100179377_INV_AWB_20230329.exe"2⤵
- Checks QEMU agent file
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:768
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
11KB
MD5fccff8cb7a1067e23fd2e2b63971a8e1
SHA130e2a9e137c1223a78a0f7b0bf96a1c361976d91
SHA2566fcea34c8666b06368379c6c402b5321202c11b00889401c743fb96c516c679e
SHA512f4335e84e6f8d70e462a22f1c93d2998673a7616c868177cac3e8784a3be1d7d0bb96f2583fa0ed82f4f2b6b8f5d9b33521c279a42e055d80a94b4f3f1791e0c