Analysis
-
max time kernel
145s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
17-11-2023 13:17
Static task
static1
Behavioral task
behavioral1
Sample
81dd5690c253e72ab07b865323beccf7954e7246a64684345e8853f49afa0c74.exe
Resource
win10v2004-20231023-en
General
-
Target
81dd5690c253e72ab07b865323beccf7954e7246a64684345e8853f49afa0c74.exe
-
Size
4.0MB
-
MD5
174e40c9b02019ea306825b4d8929892
-
SHA1
5ba6bc5c0621f194c4f37a1b09ae358a5ec223c6
-
SHA256
81dd5690c253e72ab07b865323beccf7954e7246a64684345e8853f49afa0c74
-
SHA512
f6f466ca9f09320c678215d1891f95b929520db456daa74c26083777844a8dbd95326b5855da8451c66dbe09f434004d5554bef87e322c684f4d738a0ea8a031
-
SSDEEP
98304:pdHsdNZFu6xd3CZangMbxlif4HwNoVnH6vhkL+unlqnf7e:7HsdNZFu4Co0fEw6VnHoPnf7e
Malware Config
Signatures
-
Executes dropped EXE 3 IoCs
pid Process 3460 is-263DU.tmp 1880 ZxingPDF.exe 1200 ZxingPDF.exe -
Loads dropped DLL 1 IoCs
pid Process 3460 is-263DU.tmp -
Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 51.159.66.125 -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Drops file in Program Files directory 28 IoCs
description ioc Process File created C:\Program Files (x86)\ZxingPDF\Online\is-PNON3.tmp is-263DU.tmp File created C:\Program Files (x86)\ZxingPDF\Help\is-HUQFF.tmp is-263DU.tmp File opened for modification C:\Program Files (x86)\ZxingPDF\unins000.dat is-263DU.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-TOISU.tmp is-263DU.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-L2UDU.tmp is-263DU.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-M71H6.tmp is-263DU.tmp File created C:\Program Files (x86)\ZxingPDF\is-5RCLA.tmp is-263DU.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-1BCGQ.tmp is-263DU.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-CPBJU.tmp is-263DU.tmp File created C:\Program Files (x86)\ZxingPDF\Plugins\is-FFMKN.tmp is-263DU.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-NB76O.tmp is-263DU.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-IRGKG.tmp is-263DU.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-6DVIH.tmp is-263DU.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-EB31H.tmp is-263DU.tmp File created C:\Program Files (x86)\ZxingPDF\Plugins\is-FQQAF.tmp is-263DU.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-66MTS.tmp is-263DU.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-D9V1D.tmp is-263DU.tmp File created C:\Program Files (x86)\ZxingPDF\Plugins\is-BU31G.tmp is-263DU.tmp File created C:\Program Files (x86)\ZxingPDF\unins000.dat is-263DU.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-9MD8S.tmp is-263DU.tmp File created C:\Program Files (x86)\ZxingPDF\Plugins\is-E6KL0.tmp is-263DU.tmp File opened for modification C:\Program Files (x86)\ZxingPDF\ZxingPDF.exe is-263DU.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-VAIAO.tmp is-263DU.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-NBI1T.tmp is-263DU.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-6BKLC.tmp is-263DU.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-4VU8V.tmp is-263DU.tmp File created C:\Program Files (x86)\ZxingPDF\Online\is-EK4QS.tmp is-263DU.tmp File created C:\Program Files (x86)\ZxingPDF\is-O6LBH.tmp is-263DU.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 5008 wrote to memory of 3460 5008 81dd5690c253e72ab07b865323beccf7954e7246a64684345e8853f49afa0c74.exe 84 PID 5008 wrote to memory of 3460 5008 81dd5690c253e72ab07b865323beccf7954e7246a64684345e8853f49afa0c74.exe 84 PID 5008 wrote to memory of 3460 5008 81dd5690c253e72ab07b865323beccf7954e7246a64684345e8853f49afa0c74.exe 84 PID 3460 wrote to memory of 440 3460 is-263DU.tmp 86 PID 3460 wrote to memory of 440 3460 is-263DU.tmp 86 PID 3460 wrote to memory of 440 3460 is-263DU.tmp 86 PID 3460 wrote to memory of 1880 3460 is-263DU.tmp 88 PID 3460 wrote to memory of 1880 3460 is-263DU.tmp 88 PID 3460 wrote to memory of 1880 3460 is-263DU.tmp 88 PID 3460 wrote to memory of 1200 3460 is-263DU.tmp 90 PID 3460 wrote to memory of 1200 3460 is-263DU.tmp 90 PID 3460 wrote to memory of 1200 3460 is-263DU.tmp 90
Processes
-
C:\Users\Admin\AppData\Local\Temp\81dd5690c253e72ab07b865323beccf7954e7246a64684345e8853f49afa0c74.exe"C:\Users\Admin\AppData\Local\Temp\81dd5690c253e72ab07b865323beccf7954e7246a64684345e8853f49afa0c74.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:5008 -
C:\Users\Admin\AppData\Local\Temp\is-KCNRQ.tmp\is-263DU.tmp"C:\Users\Admin\AppData\Local\Temp\is-KCNRQ.tmp\is-263DU.tmp" /SL4 $60160 "C:\Users\Admin\AppData\Local\Temp\81dd5690c253e72ab07b865323beccf7954e7246a64684345e8853f49afa0c74.exe" 3885557 2421762⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:3460 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Query3⤵PID:440
-
-
C:\Program Files (x86)\ZxingPDF\ZxingPDF.exe"C:\Program Files (x86)\ZxingPDF\ZxingPDF.exe" -i3⤵
- Executes dropped EXE
PID:1880
-
-
C:\Program Files (x86)\ZxingPDF\ZxingPDF.exe"C:\Program Files (x86)\ZxingPDF\ZxingPDF.exe" -s3⤵
- Executes dropped EXE
PID:1200
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
2.0MB
MD5804f369f06b808caa1ad76798e957052
SHA115b925b2c163fabb2a799c040378a4df4f8fa94d
SHA256406340fa17faca2d481a91f9ec640ab63a46c2d7b947b05ceebf31c91ca0f483
SHA512cac4faa83d6072763efde4ada53d19d107c1034008cb82a57cb5c0dc7ba5c060249dc81deb6550bc04ec151a909822420ff1072bfbc05fdbc1b7dafd03ccea14
-
Filesize
2.0MB
MD5804f369f06b808caa1ad76798e957052
SHA115b925b2c163fabb2a799c040378a4df4f8fa94d
SHA256406340fa17faca2d481a91f9ec640ab63a46c2d7b947b05ceebf31c91ca0f483
SHA512cac4faa83d6072763efde4ada53d19d107c1034008cb82a57cb5c0dc7ba5c060249dc81deb6550bc04ec151a909822420ff1072bfbc05fdbc1b7dafd03ccea14
-
Filesize
2.0MB
MD5804f369f06b808caa1ad76798e957052
SHA115b925b2c163fabb2a799c040378a4df4f8fa94d
SHA256406340fa17faca2d481a91f9ec640ab63a46c2d7b947b05ceebf31c91ca0f483
SHA512cac4faa83d6072763efde4ada53d19d107c1034008cb82a57cb5c0dc7ba5c060249dc81deb6550bc04ec151a909822420ff1072bfbc05fdbc1b7dafd03ccea14
-
Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
-
Filesize
643KB
MD5a991510c12f20ccf8a5231a32a7958c3
SHA1122724d1a4fdea39af3aa427e4941158d7e91dfa
SHA2560c3ab280e156e9ff6a325267bc5d721f71dcb12490a53a03a033d932272f9198
SHA5128f387a6189f6fa51f84004706589ed1706dfd08dfc38c1f8ce3ce010f37efac085fd241396ab69bc25c86174a4637492163bf3cb26f88639551dc9fa0c52eafa
-
Filesize
643KB
MD5a991510c12f20ccf8a5231a32a7958c3
SHA1122724d1a4fdea39af3aa427e4941158d7e91dfa
SHA2560c3ab280e156e9ff6a325267bc5d721f71dcb12490a53a03a033d932272f9198
SHA5128f387a6189f6fa51f84004706589ed1706dfd08dfc38c1f8ce3ce010f37efac085fd241396ab69bc25c86174a4637492163bf3cb26f88639551dc9fa0c52eafa