webmonitor | 04ca9c3b628ea6dad9416c02c1b49af193644b406cd6aba37d933df0e73ce9ae

General

Target

04ca9c3b628ea6dad9416c02c1b49af193644b406cd6aba37d933df0e73ce9ae.exe
Size

1.6MB
MD5

c5ef92f3ee5dd058aee7acc24617dc75
SHA1

335b2cbb898146725bb81af4ca254971e1301e2f
SHA256

04ca9c3b628ea6dad9416c02c1b49af193644b406cd6aba37d933df0e73ce9ae
SHA512

9d4b10ceee22ac0eb59d6e7bc94f26a4bf6faff91306af370f6cb31f62d2eb28541de1c0f32d584ad1e1598417c94a75720fc0043e2c822e7fbba1f60f1b6bdd

Score

10^/10

webmonitor backdoor evasion infostealer rat suricata upx

Malware Config

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.
backdoor rat infostealer webmonitor

WebMonitor Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1796-69-0x0000000000400000-0x00000000005F7000-memory.dmp	family_webmonitor
behavioral1/memory/1796-70-0x0000000000400000-0x00000000005F7000-memory.dmp	family_webmonitor
behavioral1/memory/1796-72-0x0000000002E10000-0x0000000003E10000-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
suricata
Looks for VirtualBox Guest Additions in registry 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497
Looks for VMWare Tools registry key 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

UPX packed file 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/1796-62-0x0000000000400000-0x00000000005F7000-memory.dmp	upx
behavioral1/memory/1796-64-0x0000000000400000-0x00000000005F7000-memory.dmp	upx
behavioral1/memory/1796-66-0x0000000000400000-0x00000000005F7000-memory.dmp	upx
behavioral1/memory/1796-67-0x0000000000400000-0x00000000005F7000-memory.dmp	upx
behavioral1/memory/1796-68-0x0000000000400000-0x00000000005F7000-memory.dmp	upx
behavioral1/memory/1796-69-0x0000000000400000-0x00000000005F7000-memory.dmp	upx
behavioral1/memory/1796-70-0x0000000000400000-0x00000000005F7000-memory.dmp	upx

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

04ca9c3b628ea6dad9416c02c1b49af193644b406cd6aba37d933df0e73ce9ae.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	04ca9c3b628ea6dad9416c02c1b49af193644b406cd6aba37d933df0e73ce9ae.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	04ca9c3b628ea6dad9416c02c1b49af193644b406cd6aba37d933df0e73ce9ae.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

04ca9c3b628ea6dad9416c02c1b49af193644b406cd6aba37d933df0e73ce9ae.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	04ca9c3b628ea6dad9416c02c1b49af193644b406cd6aba37d933df0e73ce9ae.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	04ca9c3b628ea6dad9416c02c1b49af193644b406cd6aba37d933df0e73ce9ae.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

04ca9c3b628ea6dad9416c02c1b49af193644b406cd6aba37d933df0e73ce9ae.exe

description	pid	process	target process
PID 964 set thread context of 1796	964	04ca9c3b628ea6dad9416c02c1b49af193644b406cd6aba37d933df0e73ce9ae.exe	04ca9c3b628ea6dad9416c02c1b49af193644b406cd6aba37d933df0e73ce9ae.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1832 schtasks.exe

pid	process
1832	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

04ca9c3b628ea6dad9416c02c1b49af193644b406cd6aba37d933df0e73ce9ae.exe

description	pid	process
Token: SeDebugPrivilege	1796	04ca9c3b628ea6dad9416c02c1b49af193644b406cd6aba37d933df0e73ce9ae.exe
Token: SeShutdownPrivilege	1796	04ca9c3b628ea6dad9416c02c1b49af193644b406cd6aba37d933df0e73ce9ae.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

04ca9c3b628ea6dad9416c02c1b49af193644b406cd6aba37d933df0e73ce9ae.exe

description	pid	process	target process
PID 964 wrote to memory of 1832	964	04ca9c3b628ea6dad9416c02c1b49af193644b406cd6aba37d933df0e73ce9ae.exe	schtasks.exe
PID 964 wrote to memory of 1832	964	04ca9c3b628ea6dad9416c02c1b49af193644b406cd6aba37d933df0e73ce9ae.exe	schtasks.exe
PID 964 wrote to memory of 1832	964	04ca9c3b628ea6dad9416c02c1b49af193644b406cd6aba37d933df0e73ce9ae.exe	schtasks.exe
PID 964 wrote to memory of 1832	964	04ca9c3b628ea6dad9416c02c1b49af193644b406cd6aba37d933df0e73ce9ae.exe	schtasks.exe
PID 964 wrote to memory of 1796	964	04ca9c3b628ea6dad9416c02c1b49af193644b406cd6aba37d933df0e73ce9ae.exe	04ca9c3b628ea6dad9416c02c1b49af193644b406cd6aba37d933df0e73ce9ae.exe
PID 964 wrote to memory of 1796	964	04ca9c3b628ea6dad9416c02c1b49af193644b406cd6aba37d933df0e73ce9ae.exe	04ca9c3b628ea6dad9416c02c1b49af193644b406cd6aba37d933df0e73ce9ae.exe
PID 964 wrote to memory of 1796	964	04ca9c3b628ea6dad9416c02c1b49af193644b406cd6aba37d933df0e73ce9ae.exe	04ca9c3b628ea6dad9416c02c1b49af193644b406cd6aba37d933df0e73ce9ae.exe
PID 964 wrote to memory of 1796	964	04ca9c3b628ea6dad9416c02c1b49af193644b406cd6aba37d933df0e73ce9ae.exe	04ca9c3b628ea6dad9416c02c1b49af193644b406cd6aba37d933df0e73ce9ae.exe
PID 964 wrote to memory of 1796	964	04ca9c3b628ea6dad9416c02c1b49af193644b406cd6aba37d933df0e73ce9ae.exe	04ca9c3b628ea6dad9416c02c1b49af193644b406cd6aba37d933df0e73ce9ae.exe
PID 964 wrote to memory of 1796	964	04ca9c3b628ea6dad9416c02c1b49af193644b406cd6aba37d933df0e73ce9ae.exe	04ca9c3b628ea6dad9416c02c1b49af193644b406cd6aba37d933df0e73ce9ae.exe
PID 964 wrote to memory of 1796	964	04ca9c3b628ea6dad9416c02c1b49af193644b406cd6aba37d933df0e73ce9ae.exe	04ca9c3b628ea6dad9416c02c1b49af193644b406cd6aba37d933df0e73ce9ae.exe
PID 964 wrote to memory of 1796	964	04ca9c3b628ea6dad9416c02c1b49af193644b406cd6aba37d933df0e73ce9ae.exe	04ca9c3b628ea6dad9416c02c1b49af193644b406cd6aba37d933df0e73ce9ae.exe

C:\Users\Admin\AppData\Local\Temp\04ca9c3b628ea6dad9416c02c1b49af193644b406cd6aba37d933df0e73ce9ae.exe
"C:\Users\Admin\AppData\Local\Temp\04ca9c3b628ea6dad9416c02c1b49af193644b406cd6aba37d933df0e73ce9ae.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:964

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\auFtTukBq" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEC81.tmp"
2⤵
- Creates scheduled task(s)
PID:1832

C:\Users\Admin\AppData\Local\Temp\04ca9c3b628ea6dad9416c02c1b49af193644b406cd6aba37d933df0e73ce9ae.exe
"{path}"
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1796

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Query Registry

4

T1012

Virtualization/Sandbox Evasion

2

T1497

System Information Discovery

3

T1082

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpEC81.tmp
MD5
196727143cce2890550e4298713e77f2

SHA1
047275c342b7118583630ebde9b313d800af2c61

SHA256
852cb503e34f50ebc29259723471b9435ac8ada21d2af1cf53fb113577f6f6da

SHA512
d8a37a22ae9fcf86b1970c783e492d1f1e81077b5220e73a39972bdef46f7dc9daf71e19d93052492c13c76f96358ebc863ece0b0088109b3280766ea232b9ea

Download Submit
memory/964-54-0x00000000009C0000-0x0000000000B62000-memory.dmp

Filesize
1.6MB

Download
memory/964-55-0x0000000074CD0000-0x00000000753BE000-memory.dmp

Filesize
6.9MB

Download
memory/964-56-0x0000000000920000-0x0000000000921000-memory.dmp

Filesize
4KB

Download
memory/964-57-0x0000000000960000-0x000000000096A000-memory.dmp

Filesize
40KB

Download
memory/964-58-0x0000000008120000-0x000000000825C000-memory.dmp

Filesize
1.2MB

Download
memory/1796-64-0x0000000000400000-0x00000000005F7000-memory.dmp

Filesize
2.0MB

Download
memory/1796-62-0x0000000000400000-0x00000000005F7000-memory.dmp

Filesize
2.0MB

Download
memory/1796-60-0x0000000000400000-0x00000000005F7000-memory.dmp

Filesize
2.0MB

Download
memory/1796-66-0x0000000000400000-0x00000000005F7000-memory.dmp

Filesize
2.0MB

Download
memory/1796-67-0x0000000000400000-0x00000000005F7000-memory.dmp

Filesize
2.0MB

Download
memory/1796-68-0x0000000000400000-0x00000000005F7000-memory.dmp

Filesize
2.0MB

Download
memory/1796-69-0x0000000000400000-0x00000000005F7000-memory.dmp

Filesize
2.0MB

Download
memory/1796-70-0x0000000000400000-0x00000000005F7000-memory.dmp

Filesize
2.0MB

Download
memory/1796-71-0x0000000075C41000-0x0000000075C43000-memory.dmp

Filesize
8KB

Download
memory/1796-72-0x0000000002E10000-0x0000000003E10000-memory.dmp

Filesize
16.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads