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Analysis
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max time kernel
233s -
max time network
310s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
02/05/2024, 02:34
Static task
static1
Behavioral task
behavioral1
Sample
toolspub5.exe
Resource
win7-20231129-en
General
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Target
toolspub5.exe
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Size
291KB
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MD5
29f3989b7444d45b49d6ad91f3d20515
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SHA1
0e399a69674d3f98c04058fda5dbdad567c5470d
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SHA256
e258ea5af7ad546989cff72758eb179dc37cd65bd15a378b4cfbf553994c7010
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SHA512
27b8cc84aefcf6dac70bcb69fb6678eabe437f3a0b66eda37f7fcfc007e49c0cd44bd7ce33b1f47ae9156efdeaffebdbbe6e737b3eb29ca3f04815d7db998c77
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SSDEEP
6144:0KuM4pVUTppny8SXuzvbhQJyR33pz3Ut/w:XUVUlpnaebhQMJApw
Malware Config
Extracted
stealc
http://okkolus.com
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url_path
/cf5cbdf706840b3f.php
Signatures
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Downloads MZ/PE file
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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Program crash 1 IoCs
pid pid_target Process procid_target 1144 4616 WerFault.exe 90 -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 toolspub5.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString toolspub5.exe -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 4616 toolspub5.exe 4616 toolspub5.exe 4616 toolspub5.exe 4616 toolspub5.exe 4616 toolspub5.exe 4616 toolspub5.exe 4616 toolspub5.exe 4616 toolspub5.exe 4616 toolspub5.exe 4616 toolspub5.exe 4616 toolspub5.exe 4616 toolspub5.exe 4616 toolspub5.exe 4616 toolspub5.exe 4616 toolspub5.exe 4616 toolspub5.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\toolspub5.exe"C:\Users\Admin\AppData\Local\Temp\toolspub5.exe"1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4616 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4616 -s 7722⤵
- Program crash
PID:1144
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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=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --mojo-platform-channel-handle=3492 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:31⤵PID:540
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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=1400 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:81⤵PID:4040
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4616 -ip 46161⤵PID:4824
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2B
MD5d751713988987e9331980363e24189ce
SHA197d170e1550eee4afc0af065b78cda302a97674c
SHA2564f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
SHA512b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af
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Filesize
40B
MD520d4b8fa017a12a108c87f540836e250
SHA11ac617fac131262b6d3ce1f52f5907e31d5f6f00
SHA2566028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d
SHA512507b2b8a8a168ff8f2bdafa5d9d341c44501a5f17d9f63f3d43bd586bc9e8ae33221887869fa86f845b7d067cb7d2a7009efd71dda36e03a40a74fee04b86856