Overview
overview
10Static
static
3dcdc99a71a...3b.exe
windows7-x64
10dcdc99a71a...3b.exe
windows10-2004-x64
10$TEMP/Part...ri.dll
windows7-x64
10$TEMP/Part...ri.dll
windows10-2004-x64
10$TEMP/what...60.dll
windows7-x64
1$TEMP/what...60.dll
windows10-2004-x64
1$TEMP/what...60.dll
windows7-x64
1$TEMP/what...60.dll
windows10-2004-x64
1$TEMP/what...60.dll
windows7-x64
1$TEMP/what...60.dll
windows10-2004-x64
1$TEMP/what...ps.dll
windows7-x64
1$TEMP/what...ps.dll
windows10-2004-x64
1$TEMP/what...ui.dll
windows7-x64
1$TEMP/what...ui.dll
windows10-2004-x64
1$TEMP/what...er.dll
windows7-x64
1$TEMP/what...er.dll
windows10-2004-x64
1Analysis
-
max time kernel
163s -
max time network
166s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
10/04/2024, 07:58
Static task
static1
Behavioral task
behavioral1
Sample
dcdc99a71af2d3db2cb3004dd3e91a4908d71a876179b447ed116742cff8ba3b.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
dcdc99a71af2d3db2cb3004dd3e91a4908d71a876179b447ed116742cff8ba3b.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
$TEMP/PartiShikari.dll
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
$TEMP/PartiShikari.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral5
Sample
$TEMP/whatnot/failure/cgi-bin/33.opends60.dll
Resource
win7-20240319-en
Behavioral task
behavioral6
Sample
$TEMP/whatnot/failure/cgi-bin/33.opends60.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral7
Sample
$TEMP/whatnot/failure/cgi-bin/69.opends60.dll
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
$TEMP/whatnot/failure/cgi-bin/69.opends60.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral9
Sample
$TEMP/whatnot/failure/cgi-bin/79.opends60.dll
Resource
win7-20240220-en
Behavioral task
behavioral10
Sample
$TEMP/whatnot/failure/cgi-bin/79.opends60.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral11
Sample
$TEMP/whatnot/failure/cgi-bin/edbgps.dll
Resource
win7-20240221-en
Behavioral task
behavioral12
Sample
$TEMP/whatnot/failure/cgi-bin/edbgps.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral13
Sample
$TEMP/whatnot/failure/cgi-bin/hxvzui.dll
Resource
win7-20231129-en
Behavioral task
behavioral14
Sample
$TEMP/whatnot/failure/cgi-bin/hxvzui.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral15
Sample
$TEMP/whatnot/failure/cgi-bin/sbsdiasymreader.dll
Resource
win7-20240221-en
Behavioral task
behavioral16
Sample
$TEMP/whatnot/failure/cgi-bin/sbsdiasymreader.dll
Resource
win10v2004-20240226-en
General
-
Target
dcdc99a71af2d3db2cb3004dd3e91a4908d71a876179b447ed116742cff8ba3b.exe
-
Size
721KB
-
MD5
ed8504a7a6f3377d677b97526a376e81
-
SHA1
86a0376de9b9ee12f86ed24091bc151ebae7d147
-
SHA256
dcdc99a71af2d3db2cb3004dd3e91a4908d71a876179b447ed116742cff8ba3b
-
SHA512
624bd34a11ebc86976bfd36385c79cf1730f81ce16f1c4fbf8076e226056219deb132e629297729b415c3721114425ae12f3da8ff34a1e60827d0588e7b74397
-
SSDEEP
12288:/anyMm4/gn9Otfj8QwCHPInVyTnT6+lyZsIhqV4mfSoi1f5N/yCjcbvsqUpR:5Mh+aNwSPInVyFlONhq2mKD3/yCjYpuR
Malware Config
Extracted
remcos
2.5.0 Pro
TREINTAYOCHO
treintayochorem.duckdns.org:1010
-
audio_folder
MicRecords
-
audio_path
%AppData%
-
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
-
install_path
%AppData%
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
keylog_path
%AppData%
-
mouse_option
false
-
mutex
Remcos-H7ZOSI
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
startup_value
remcos
-
take_screenshot_option
false
-
take_screenshot_time
5
-
take_screenshot_title
wikipedia;solitaire;
Signatures
-
Blocklisted process makes network request 5 IoCs
flow pid Process 39 3128 cmd.exe 43 3128 cmd.exe 45 3128 cmd.exe 48 3128 cmd.exe 49 3128 cmd.exe -
Loads dropped DLL 1 IoCs
pid Process 112 rundll32.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Tasks\msfeedssync.job cmd.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 112 rundll32.exe 112 rundll32.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 112 rundll32.exe 112 rundll32.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3128 cmd.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4072 wrote to memory of 112 4072 dcdc99a71af2d3db2cb3004dd3e91a4908d71a876179b447ed116742cff8ba3b.exe 94 PID 4072 wrote to memory of 112 4072 dcdc99a71af2d3db2cb3004dd3e91a4908d71a876179b447ed116742cff8ba3b.exe 94 PID 4072 wrote to memory of 112 4072 dcdc99a71af2d3db2cb3004dd3e91a4908d71a876179b447ed116742cff8ba3b.exe 94 PID 112 wrote to memory of 3176 112 rundll32.exe 97 PID 112 wrote to memory of 3176 112 rundll32.exe 97 PID 112 wrote to memory of 3176 112 rundll32.exe 97 PID 112 wrote to memory of 3176 112 rundll32.exe 97 PID 112 wrote to memory of 3176 112 rundll32.exe 97 PID 112 wrote to memory of 3176 112 rundll32.exe 97 PID 112 wrote to memory of 3176 112 rundll32.exe 97 PID 112 wrote to memory of 3176 112 rundll32.exe 97 PID 112 wrote to memory of 3176 112 rundll32.exe 97 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98 PID 112 wrote to memory of 3128 112 rundll32.exe 98
Processes
-
C:\Users\Admin\AppData\Local\Temp\dcdc99a71af2d3db2cb3004dd3e91a4908d71a876179b447ed116742cff8ba3b.exe"C:\Users\Admin\AppData\Local\Temp\dcdc99a71af2d3db2cb3004dd3e91a4908d71a876179b447ed116742cff8ba3b.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4072 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe PartiShikari,Hurley2⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:112 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe"3⤵PID:3176
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe"3⤵
- Blocklisted process makes network request
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
PID:3128
-
-
-
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=4104 --field-trial-handle=2256,i,9172343514068348080,519219714517961765,262144 --variations-seed-version /prefetch:81⤵PID:4600
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
626KB
MD5b9239ef2ea3c8a042259de2001a1b447
SHA13f599a1247c4c58ac20674cfba24e1383cee9072
SHA256f6506d4b516addd8550689bb0d55ecf0731f3740e76c3e27c714e877f941da32
SHA5122d3026f0c5beea03cf3ce3bb6f07c8e9084d8b149df2ed954cd4b10583305571a57bc48a4aa1f32ec54db12fde81c752ffc758cec686bbfea92c99648ced473e
-
Filesize
50KB
MD58aec2b9bf7b0156601b5738445c89afb
SHA172a3cf230083d1b882181bda3320ee5592a058d2
SHA256e288f1292df61e692e2ba9f2a163bcaa620403b30fad40155c37edc9c9e53f76
SHA512a92939475c2d0ac2331428d42628fc035ef98b3bb7ff9c154d99b441a38e11419de74fea0b07765de695dc02f0610ac9aba2ce7f82d500703b87f5f1183fe9ba
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Filesize
74B
MD50fecbd4fb03bd196b6fe8f1635cc3d60
SHA14e49aa717c54e92bab10b915346628a4565f8491
SHA2569532d794eaa39c875a944113cce517f9286f3de39dba5083d965902353d6a215
SHA512ea8e043c3508a446b5969ea3ed37e9dbf6b94c8a4b5b327a02f673c648f06a2ffb09913641e9270ed401f7dc06628077cbc277e85d8961db1b9e8c7725d96d6c