Analysis
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max time kernel
4294209s -
max time network
162s -
platform
windows7_x64 -
resource
win7-20220311-en -
submitted
20-03-2022 01:28
Static task
static1
Behavioral task
behavioral1
Sample
8ea3556813e7d871f37b1d3954c278a08da132f48f5d5c475c075415b9adba9f.exe
Resource
win7-20220311-en
Behavioral task
behavioral2
Sample
8ea3556813e7d871f37b1d3954c278a08da132f48f5d5c475c075415b9adba9f.exe
Resource
win10v2004-20220310-en
General
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Target
8ea3556813e7d871f37b1d3954c278a08da132f48f5d5c475c075415b9adba9f.exe
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Size
1.6MB
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MD5
2418bc399c5e287e7c25c7c0d83a5c13
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SHA1
a3e6d95474651b6ccd55cf125c898792507fc958
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SHA256
8ea3556813e7d871f37b1d3954c278a08da132f48f5d5c475c075415b9adba9f
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SHA512
cc548c5b2e1281185c53ee8d941f8e681cf9a3f11df20e7b1eb98ea07b1521b02677e7e4b7f8ae1dc6ffcdfc477ce7ba1c3e862c6a671a01e7dd147206dd19a2
Malware Config
Signatures
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RevcodeRat, WebMonitorRat
WebMonitor is a remote access tool that you can use from any browser access to control, and monitor your phones, or PCs.
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WebMonitor Payload 3 IoCs
resource yara_rule behavioral1/memory/960-69-0x0000000000400000-0x00000000005F7000-memory.dmp family_webmonitor behavioral1/memory/960-70-0x0000000000400000-0x00000000005F7000-memory.dmp family_webmonitor behavioral1/memory/960-72-0x0000000002D40000-0x0000000003D40000-memory.dmp family_webmonitor -
suricata: ET MALWARE WebMonitor/RevCode RAT CnC Domain in DNS Lookup
suricata: ET MALWARE WebMonitor/RevCode RAT CnC Domain in DNS Lookup
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resource yara_rule behavioral1/memory/960-62-0x0000000000400000-0x00000000005F7000-memory.dmp upx behavioral1/memory/960-64-0x0000000000400000-0x00000000005F7000-memory.dmp upx behavioral1/memory/960-66-0x0000000000400000-0x00000000005F7000-memory.dmp upx behavioral1/memory/960-69-0x0000000000400000-0x00000000005F7000-memory.dmp upx behavioral1/memory/960-70-0x0000000000400000-0x00000000005F7000-memory.dmp upx behavioral1/memory/960-68-0x0000000000400000-0x00000000005F7000-memory.dmp upx behavioral1/memory/960-67-0x0000000000400000-0x00000000005F7000-memory.dmp upx -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1764 set thread context of 960 1764 8ea3556813e7d871f37b1d3954c278a08da132f48f5d5c475c075415b9adba9f.exe 31 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1692 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1764 8ea3556813e7d871f37b1d3954c278a08da132f48f5d5c475c075415b9adba9f.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1764 8ea3556813e7d871f37b1d3954c278a08da132f48f5d5c475c075415b9adba9f.exe Token: SeDebugPrivilege 960 8ea3556813e7d871f37b1d3954c278a08da132f48f5d5c475c075415b9adba9f.exe Token: SeShutdownPrivilege 960 8ea3556813e7d871f37b1d3954c278a08da132f48f5d5c475c075415b9adba9f.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1764 wrote to memory of 1692 1764 8ea3556813e7d871f37b1d3954c278a08da132f48f5d5c475c075415b9adba9f.exe 29 PID 1764 wrote to memory of 1692 1764 8ea3556813e7d871f37b1d3954c278a08da132f48f5d5c475c075415b9adba9f.exe 29 PID 1764 wrote to memory of 1692 1764 8ea3556813e7d871f37b1d3954c278a08da132f48f5d5c475c075415b9adba9f.exe 29 PID 1764 wrote to memory of 1692 1764 8ea3556813e7d871f37b1d3954c278a08da132f48f5d5c475c075415b9adba9f.exe 29 PID 1764 wrote to memory of 960 1764 8ea3556813e7d871f37b1d3954c278a08da132f48f5d5c475c075415b9adba9f.exe 31 PID 1764 wrote to memory of 960 1764 8ea3556813e7d871f37b1d3954c278a08da132f48f5d5c475c075415b9adba9f.exe 31 PID 1764 wrote to memory of 960 1764 8ea3556813e7d871f37b1d3954c278a08da132f48f5d5c475c075415b9adba9f.exe 31 PID 1764 wrote to memory of 960 1764 8ea3556813e7d871f37b1d3954c278a08da132f48f5d5c475c075415b9adba9f.exe 31 PID 1764 wrote to memory of 960 1764 8ea3556813e7d871f37b1d3954c278a08da132f48f5d5c475c075415b9adba9f.exe 31 PID 1764 wrote to memory of 960 1764 8ea3556813e7d871f37b1d3954c278a08da132f48f5d5c475c075415b9adba9f.exe 31 PID 1764 wrote to memory of 960 1764 8ea3556813e7d871f37b1d3954c278a08da132f48f5d5c475c075415b9adba9f.exe 31 PID 1764 wrote to memory of 960 1764 8ea3556813e7d871f37b1d3954c278a08da132f48f5d5c475c075415b9adba9f.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\8ea3556813e7d871f37b1d3954c278a08da132f48f5d5c475c075415b9adba9f.exe"C:\Users\Admin\AppData\Local\Temp\8ea3556813e7d871f37b1d3954c278a08da132f48f5d5c475c075415b9adba9f.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1764 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uuLZHftKjZYI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6A57.tmp"2⤵
- Creates scheduled task(s)
PID:1692
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C:\Users\Admin\AppData\Local\Temp\8ea3556813e7d871f37b1d3954c278a08da132f48f5d5c475c075415b9adba9f.exe"{path}"2⤵
- Suspicious use of AdjustPrivilegeToken
PID:960
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