Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system - submitted
14/05/2024, 06:07
Static task
static1
Behavioral task
behavioral1
Sample
0093222024135.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
0093222024135.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20231129-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240426-en
General
- Target 0093222024135.exe
- Size 289KB
- Sample240514-gva6msdf54
- SHA256 fe5e2d4546cfb9f6ec3f5a87e79ab352e57e1528fd4b4f0d657485285f9bdc82
- MD5 6652b1e0fdbd35d0f7f213370f1d07a1
- SHA1 98922063acabc016263e28175055d97b1675fae9
- SHA512 f2ac411f1403b7d0eacab81ab4ed0e20b8f97f68074f276b98089232fd06e0024d86b86079050e5574dbdcd3c8681141fd91bc6d83d2d1c5981a25e3b426bd53
- SSDEEP 6144:DfmOP9z8WoXPJa6O7PGJut9ZN38sx5Frddg/mpvsPC/mHCndwqYV9:pFohfOrGJuHZy0ngbPXqOqY
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
remcos
-
RemoteHost
-
185.29.9.120:2404
-
audio_folder
MicRecords
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
remcos.exe
-
copy_folder
Remcos
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
false
-
install_flag
false
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc-QN9BDD
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- NirSoft MailPassView 2 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/5076-323-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView behavioral2/memory/5076-319-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView - NirSoft WebBrowserPassView 2 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/116-320-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView behavioral2/memory/116-335-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView - Nirsoft 6 IoCs
resource yara_rule behavioral2/memory/1892-326-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/1892-332-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/5076-323-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/116-320-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral2/memory/5076-319-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/116-335-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft - Loads dropped DLL 1 IoCs
pid Process 2864 0093222024135.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts 0093222024135.exe - Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
pid Process 4924 0093222024135.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 2864 0093222024135.exe 4924 0093222024135.exe - Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 2864 set thread context of 4924 2864 0093222024135.exe 93 PID 4924 set thread context of 116 4924 0093222024135.exe 94 PID 4924 set thread context of 5076 4924 0093222024135.exe 95 PID 4924 set thread context of 1892 4924 0093222024135.exe 96 - Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\resources\0409\affine\butenyl.lnk 0093222024135.exe File opened for modification C:\Windows\resources\0409\Whittaker.dis 0093222024135.exe File opened for modification C:\Windows\incavation\inhalerendes.Alg 0093222024135.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 116 0093222024135.exe 116 0093222024135.exe 1892 0093222024135.exe 1892 0093222024135.exe 116 0093222024135.exe 116 0093222024135.exe - Suspicious behavior: MapViewOfSection 4 IoCs
pid Process 2864 0093222024135.exe 4924 0093222024135.exe 4924 0093222024135.exe 4924 0093222024135.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1892 0093222024135.exe - Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2864 wrote to memory of 4924 2864 0093222024135.exe 93 PID 2864 wrote to memory of 4924 2864 0093222024135.exe 93 PID 2864 wrote to memory of 4924 2864 0093222024135.exe 93 PID 2864 wrote to memory of 4924 2864 0093222024135.exe 93 PID 2864 wrote to memory of 4924 2864 0093222024135.exe 93 PID 4924 wrote to memory of 116 4924 0093222024135.exe 94 PID 4924 wrote to memory of 116 4924 0093222024135.exe 94 PID 4924 wrote to memory of 116 4924 0093222024135.exe 94 PID 4924 wrote to memory of 5076 4924 0093222024135.exe 95 PID 4924 wrote to memory of 5076 4924 0093222024135.exe 95 PID 4924 wrote to memory of 5076 4924 0093222024135.exe 95 PID 4924 wrote to memory of 1892 4924 0093222024135.exe 96 PID 4924 wrote to memory of 1892 4924 0093222024135.exe 96 PID 4924 wrote to memory of 1892 4924 0093222024135.exe 96
Processes
-
C:\Users\Admin\AppData\Local\Temp\0093222024135.exe"C:\Users\Admin\AppData\Local\Temp\0093222024135.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2864 -
C:\Users\Admin\AppData\Local\Temp\0093222024135.exe"C:\Users\Admin\AppData\Local\Temp\0093222024135.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4924 -
C:\Users\Admin\AppData\Local\Temp\0093222024135.exeC:\Users\Admin\AppData\Local\Temp\0093222024135.exe /stext "C:\Users\Admin\AppData\Local\Temp\pbbyvebgqpbr"3⤵
- Suspicious behavior: EnumeratesProcesses
PID:116
-
-
C:\Users\Admin\AppData\Local\Temp\0093222024135.exeC:\Users\Admin\AppData\Local\Temp\0093222024135.exe /stext "C:\Users\Admin\AppData\Local\Temp\zdgjoxliextwlth"3⤵
- Accesses Microsoft Outlook accounts
PID:5076
-
-
C:\Users\Admin\AppData\Local\Temp\0093222024135.exeC:\Users\Admin\AppData\Local\Temp\0093222024135.exe /stext "C:\Users\Admin\AppData\Local\Temp\kxmbppwbafljnzvcxz"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1892
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\nsb570A.tmp\System.dll
- Size 11KB
- SHA256 c2f405d7402f815d0c3fadd9a50f0bbbb1bab9aa38fe347823478a2587299448
- MD5 9625d5b1754bc4ff29281d415d27a0fd
- SHA1 80e85afc5cccd4c0a3775edbb90595a1a59f5ce0
- SHA512 dce52b640897c2e8dbfd0a1472d5377fa91fb9cf1aeff62604d014bccbe5b56af1378f173132abeb0edd18c225b9f8f5e3d3e72434aed946661e036c779f165b
- SSDEEP 192:eX24sihno00Wfl97nH6BenXwWobpWBTtvShJ5omi7dJWjOlqSlS:D8QIl972eXqlWBFSt273YOlqz
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\pbbyvebgqpbr
- Size 4KB
- SHA256 41fcf3117cab8796adc9854cf66a6533fc2766f0e36abdaf04ce5fd7c13f5a50
- MD5 2f9f3e06c08fbefb9d972eb45910783e
- SHA1 f8452829b8404981ee3f7ac2f8f4b16825014c14
- SHA512 db33ff568a991b3b7d6574e0b4514236f22d3df30c26593a18d7f2d879be2f6831e9d9361800ca349303ba9c43591643f04c090fb16dfc99f7301e197ff48dec
- SSDEEP 48:wvvv01xfvvc1xfdvv01xBvv01xakvv017:mvkxv8p1vkPvkbvk7
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Printer Shortcuts\Isopodous.lnk
- Size 995B
- SHA256 cbfc5e8901a37aa16803480ea17a82648bd7ec7e71e6d67aa3a963b49cc686f2
- MD5 201e339cb15d324b248019244c98f832
- SHA1 450f4d39f0dd588b5d79a94570361e5599a546da
- SHA512 457ec81895425788c6830dfff98d5b7567181b2a8b808a77ee03adb6c42e6affaf53165df63c34afffb8305ab1aaf6bacb253cda0d968b1ff0a94d0bd3f9bab6
- MD5 SHA1 SHA512