Analysis
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max time kernel
85s -
max time network
107s -
platform
windows10-2004_x64 -
resource
win10v2004-20230621-en -
resource tags
arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system -
submitted
02/07/2023, 04:52
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20230621-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20230621-en
General
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Target
file.exe
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Size
1.1MB
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MD5
10f02ac67d619ef4ed2b5cbe14e556db
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SHA1
125b59e8cba7dfd2095cda60c63a23def7360943
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SHA256
f42012d42d1efb0ce9a28eac63f9512ad4d873cf22d1148c71ce4230ad26abe2
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SHA512
6fbe78b7321047166ec4a8ed189154b198b23acd72b03915d26f5978479fd484a9f56354569644388381949fedaeadbcc794d25458b91eeae9b7d440ee52946d
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SSDEEP
24576:JfOyxyU3MB2dpS2WWy8vWwGQfOI2huiQhWX+5GLEl/nNUWCMW6:JGAyUe2drTwQ2r8GXQ/VvT
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 1100 is-B7K5H.tmp 2680 RejSpacer72.exe -
Loads dropped DLL 1 IoCs
pid Process 1100 is-B7K5H.tmp -
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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Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-4PNK1.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-O3UN2.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-VV5OU.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\is-N2804.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-ING73.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-CPBJ6.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-0ANQP.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-V4FAU.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-I4553.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-P5J8U.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-O0RN9.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-T8JUD.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Config\is-FO191.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-RFJ2B.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Config\is-LKGKR.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-EFFML.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-19A69.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\is-D408L.tmp is-B7K5H.tmp File opened for modification C:\Program Files (x86)\RejSpacer72\RejSpacer72.exe is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-IUETP.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-QNI3L.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-S342T.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-PBS9C.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-72D9J.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-G1RRD.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-O43M4.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-TO4QI.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-F9PKO.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-USM5O.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-BECOU.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-VVJE6.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-1DBBR.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-AMMS6.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-LQP48.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-23F31.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-4E9MI.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-8COV7.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-P9KG6.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-G6JFH.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-I27PT.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-0TCR6.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-DFOLD.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-CNJVF.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-7D0C7.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-NN9CC.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-UBUS3.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-J2JE2.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-9OK4O.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\is-L0TPU.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Config\is-GEKUH.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-NONMB.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-50BMT.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-1FUQJ.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-6P7C5.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-UIT4E.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-0G65V.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\unins000.dat is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Config\is-2FD37.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-5PJOR.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-41318.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-28J2S.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\is-2E1TG.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Skins\Blue\is-8CS24.tmp is-B7K5H.tmp File created C:\Program Files (x86)\RejSpacer72\Config\is-K2L7P.tmp is-B7K5H.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Runs net.exe
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Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 4784 wrote to memory of 1100 4784 file.exe 82 PID 4784 wrote to memory of 1100 4784 file.exe 82 PID 4784 wrote to memory of 1100 4784 file.exe 82 PID 1100 wrote to memory of 1332 1100 is-B7K5H.tmp 85 PID 1100 wrote to memory of 1332 1100 is-B7K5H.tmp 85 PID 1100 wrote to memory of 1332 1100 is-B7K5H.tmp 85 PID 1100 wrote to memory of 2680 1100 is-B7K5H.tmp 86 PID 1100 wrote to memory of 2680 1100 is-B7K5H.tmp 86 PID 1100 wrote to memory of 2680 1100 is-B7K5H.tmp 86 PID 1332 wrote to memory of 4612 1332 net.exe 88 PID 1332 wrote to memory of 4612 1332 net.exe 88 PID 1332 wrote to memory of 4612 1332 net.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4784 -
C:\Users\Admin\AppData\Local\Temp\is-3NLH1.tmp\is-B7K5H.tmp"C:\Users\Admin\AppData\Local\Temp\is-3NLH1.tmp\is-B7K5H.tmp" /SL4 $1C0022 "C:\Users\Admin\AppData\Local\Temp\file.exe" 922350 737282⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1100 -
C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 23⤵
- Suspicious use of WriteProcessMemory
PID:1332 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 24⤵PID:4612
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C:\Program Files (x86)\RejSpacer72\RejSpacer72.exe"C:\Program Files (x86)\RejSpacer72\RejSpacer72.exe"3⤵
- Executes dropped EXE
PID:2680
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1.1MB
MD58dddbb2925650c158676cf0b29ce6d10
SHA1af8296ae35f58265a2852240a804e0ed9a661c9a
SHA256106220886bf4198d697c2fb507771ded2ed503c97e6a5d15c176771d9d022f17
SHA5126604dd4c1a2e1e113d0946c705892de4067ca8632a1f6e28e975675521388ed8a5e800a509923b9807d9e8608021b0fd3a9211e9a4b5ba8c37d7008ab74c15f6
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Filesize
1.1MB
MD58dddbb2925650c158676cf0b29ce6d10
SHA1af8296ae35f58265a2852240a804e0ed9a661c9a
SHA256106220886bf4198d697c2fb507771ded2ed503c97e6a5d15c176771d9d022f17
SHA5126604dd4c1a2e1e113d0946c705892de4067ca8632a1f6e28e975675521388ed8a5e800a509923b9807d9e8608021b0fd3a9211e9a4b5ba8c37d7008ab74c15f6
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Filesize
4KB
MD5ce494d2d223aed950fea67f657d3fa3e
SHA197a19c02487c41e3a079cd6764afffeb5e838b26
SHA256c8fa111c5b9537e3b6cab9ba763e164e27fa469f2232b82a54b206a7d892b9e9
SHA512687bf3bd7de28dc45ea622672dc59d7e45d9ce83530a7db6462447ea247a9bde061738c454e09b48531aab9cce802c8491aa730e4da65e63daf31c65ffc39fe1
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Filesize
664KB
MD5ce35b2dad10a0e6d5e016772efb75ad2
SHA1ac38173e753c499655ba566493e3c3ff71878d92
SHA25631f933169e44b127e3f0a80077a088ed208c2504773a084bfca4de2f53b839c6
SHA512cdd97e8bbf568e9d6d6708bb427f3ce9d5433d320cd577e1e7bab1154c224efbb3960a24980ceec3e2bf471c72caf2309b13e7075c3216f6d43072d277a6642c
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Filesize
664KB
MD5ce35b2dad10a0e6d5e016772efb75ad2
SHA1ac38173e753c499655ba566493e3c3ff71878d92
SHA25631f933169e44b127e3f0a80077a088ed208c2504773a084bfca4de2f53b839c6
SHA512cdd97e8bbf568e9d6d6708bb427f3ce9d5433d320cd577e1e7bab1154c224efbb3960a24980ceec3e2bf471c72caf2309b13e7075c3216f6d43072d277a6642c
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63