Analysis
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max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240319-en -
resource tags
arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system -
submitted
25/03/2024, 12:31
Static task
static1
Behavioral task
behavioral1
Sample
shipping documents_pdf.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
shipping documents_pdf.exe
Resource
win10v2004-20240319-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240226-en
General
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Target
shipping documents_pdf.exe
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Size
372KB
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MD5
bd62f17940dfd751c9819c454cc69bc5
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SHA1
fb98c9cad78cc269181e3eee7f14b89f74e04b09
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SHA256
32f3ca938c2ce5e47648ad52af6d01eb49d3f03d47dd7b45b91f8102aca68482
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SHA512
bff52c0a232b12a9369264b824583493448f0ee70381271dcd9f0214fefd48a0b9527c7bf7ecb75b651f8b9a942924037eb22340da768531c876823b9027a617
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SSDEEP
6144:0GYgXWlQwTiuj8KHwL0+OulsWJyaAt/wVcmBkTv6+CuxUHAKsvJT8wGl8KRLTm9O:tDGvj8KHwLbHdE/wRBSzCuxBKiZGl8LO
Malware Config
Signatures
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Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
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Loads dropped DLL 1 IoCs
pid Process 4976 shipping documents_pdf.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 46 drive.google.com 47 drive.google.com -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 4976 shipping documents_pdf.exe 4276 shipping documents_pdf.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4976 set thread context of 4276 4976 shipping documents_pdf.exe 103 -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\svbenes.lnk shipping documents_pdf.exe File opened for modification C:\Program Files (x86)\svbenes.lnk shipping documents_pdf.exe -
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 4976 shipping documents_pdf.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4976 wrote to memory of 4276 4976 shipping documents_pdf.exe 103 PID 4976 wrote to memory of 4276 4976 shipping documents_pdf.exe 103 PID 4976 wrote to memory of 4276 4976 shipping documents_pdf.exe 103 PID 4976 wrote to memory of 4276 4976 shipping documents_pdf.exe 103 PID 4976 wrote to memory of 4276 4976 shipping documents_pdf.exe 103
Processes
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C:\Users\Admin\AppData\Local\Temp\shipping documents_pdf.exe"C:\Users\Admin\AppData\Local\Temp\shipping documents_pdf.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4976 -
C:\Users\Admin\AppData\Local\Temp\shipping documents_pdf.exe"C:\Users\Admin\AppData\Local\Temp\shipping documents_pdf.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:4276
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4036 --field-trial-handle=2264,i,1475924722205134884,16549311107360026087,262144 --variations-seed-version /prefetch:81⤵PID:4664
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
868B
MD58094999d00f84d2225ad7cb9b96f69ff
SHA18099edfd44483f38ec8d2b37693d6b2723ad6234
SHA256cedc18ac6e659d826067aec61509af5ae2f6cecb806f56db25cc31660ae302f9
SHA5124c25639f28dc8505e799691bf7fe823f1666ba7a618da123d25382a3f79998f60ee988cd7e57d2b4b0a6a33c8aebc04cf2466a02adeafc6a5644ac90d4950897
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Filesize
11KB
MD5ee260c45e97b62a5e42f17460d406068
SHA1df35f6300a03c4d3d3bd69752574426296b78695
SHA256e94a1f7bcd7e0d532b660d0af468eb3321536c3efdca265e61f9ec174b1aef27
SHA512a98f350d17c9057f33e5847462a87d59cbf2aaeda7f6299b0d49bb455e484ce4660c12d2eb8c4a0d21df523e729222bbd6c820bf25b081bc7478152515b414b3