Analysis
-
max time kernel
145s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
18-03-2024 13:22
Static task
static1
Behavioral task
behavioral1
Sample
d39da4595ca51a748ac33447965d80e3.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
d39da4595ca51a748ac33447965d80e3.exe
Resource
win10v2004-20240226-en
General
-
Target
d39da4595ca51a748ac33447965d80e3.exe
-
Size
962KB
-
MD5
d39da4595ca51a748ac33447965d80e3
-
SHA1
e7e0ec21e7cb1d67c906169e6e039d4b29c423c7
-
SHA256
77732e74850050bb6f935945e510d32a0499d820fa1197752df8bd01c66e8210
-
SHA512
620cf557f657213ff9f52b2939fdd689906f4b634a20210d3a6062802b25e30d3085c3b6bf0336c880fa8deedafc67f4daee2dd999f911d86184bda47d3ba178
-
SSDEEP
24576:0FsVd+29QFw53L5o3DVUYR35Xc32WBjshPQ:0FsqtFwaFi3JX
Malware Config
Extracted
webmonitor
niiarmah.wm01.to:443
-
config_key
4EcDHH7aWbl50LayUnuRlJWUXiKQWk0O
-
private_key
yvkn5wM8E
-
url_path
/recv5.php
Signatures
-
RevcodeRat, WebMonitorRat
WebMonitor is a remote access tool that you can use from any browser access to control, and monitor your phones, or PCs.
-
WebMonitor payload 6 IoCs
Processes:
resource yara_rule behavioral1/memory/2124-3-0x0000000000400000-0x00000000004F3000-memory.dmp family_webmonitor behavioral1/memory/2124-5-0x0000000000400000-0x00000000004F3000-memory.dmp family_webmonitor behavioral1/memory/2124-7-0x0000000000400000-0x00000000004F3000-memory.dmp family_webmonitor behavioral1/memory/2124-9-0x0000000000400000-0x00000000004F3000-memory.dmp family_webmonitor behavioral1/memory/2124-11-0x0000000000400000-0x00000000004F3000-memory.dmp family_webmonitor behavioral1/memory/2124-12-0x0000000000400000-0x00000000004F3000-memory.dmp family_webmonitor -
Unexpected DNS network traffic destination 10 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
Processes:
description ioc Destination IP 1.2.4.8 Destination IP 114.114.114.114 Destination IP 1.2.4.8 Destination IP 185.141.152.26 Destination IP 185.141.152.26 Destination IP 114.114.114.114 Destination IP 185.141.152.26 Destination IP 1.2.4.8 Destination IP 185.141.152.26 Destination IP 185.141.152.26 -
Suspicious use of SetThreadContext 1 IoCs
Processes:
d39da4595ca51a748ac33447965d80e3.exedescription pid process target process PID 2184 set thread context of 2124 2184 d39da4595ca51a748ac33447965d80e3.exe d39da4595ca51a748ac33447965d80e3.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
d39da4595ca51a748ac33447965d80e3.exepid process 2184 d39da4595ca51a748ac33447965d80e3.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
d39da4595ca51a748ac33447965d80e3.exedescription pid process Token: SeShutdownPrivilege 2124 d39da4595ca51a748ac33447965d80e3.exe -
Suspicious use of WriteProcessMemory 5 IoCs
Processes:
d39da4595ca51a748ac33447965d80e3.exedescription pid process target process PID 2184 wrote to memory of 2124 2184 d39da4595ca51a748ac33447965d80e3.exe d39da4595ca51a748ac33447965d80e3.exe PID 2184 wrote to memory of 2124 2184 d39da4595ca51a748ac33447965d80e3.exe d39da4595ca51a748ac33447965d80e3.exe PID 2184 wrote to memory of 2124 2184 d39da4595ca51a748ac33447965d80e3.exe d39da4595ca51a748ac33447965d80e3.exe PID 2184 wrote to memory of 2124 2184 d39da4595ca51a748ac33447965d80e3.exe d39da4595ca51a748ac33447965d80e3.exe PID 2184 wrote to memory of 2124 2184 d39da4595ca51a748ac33447965d80e3.exe d39da4595ca51a748ac33447965d80e3.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\d39da4595ca51a748ac33447965d80e3.exe"C:\Users\Admin\AppData\Local\Temp\d39da4595ca51a748ac33447965d80e3.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2184 -
C:\Users\Admin\AppData\Local\Temp\d39da4595ca51a748ac33447965d80e3.exe"C:\Users\Admin\AppData\Local\Temp\d39da4595ca51a748ac33447965d80e3.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2124
-