webmonitor | 2699fd4e118ec814f98e7b62546f8d4d10b28fbef3cafe4442a920d81f6a9016

General

Target

2699fd4e118ec814f98e7b62546f8d4d10b28fbef3cafe4442a920d81f6a9016.exe
Size

546KB
MD5

ea8bd15c924883beb0675399bc9e790a
SHA1

0b18ec8eaa1b11315be4d08618f2df14d60a9be1
SHA256

2699fd4e118ec814f98e7b62546f8d4d10b28fbef3cafe4442a920d81f6a9016
SHA512

7d0c8cadee1a10cdcc039603a114f39cbf9b514a90d98f3142eb300bd73082672e7dae7cc2611f28e89175d600964a7f81cfd5c045b92212cd1dff5ee1665ce6

Score

10^/10

webmonitor backdoor infostealer rat upx

Malware Config

Extracted

Family

webmonitor

C2

roxter666.wm01.to:443

Attributes

config_key
9rwqIhLhP1v4mc4fDkpMWCPyZZA3jLtP
private_key
ifcSJLpGN
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.
backdoor rat infostealer webmonitor

WebMonitor Payload 2 IoCs

resource	yara_rule
behavioral2/memory/2948-140-0x0000000000400000-0x00000000004F6000-memory.dmp	family_webmonitor
behavioral2/memory/2948-144-0x0000000000400000-0x00000000004F6000-memory.dmp	family_webmonitor

Executes dropped EXE 1 IoCs

pid	Process
2948	svhost.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2948-135-0x0000000000400000-0x00000000004F6000-memory.dmp	upx
behavioral2/memory/2948-138-0x0000000000400000-0x00000000004F6000-memory.dmp	upx
behavioral2/memory/2948-139-0x0000000000400000-0x00000000004F6000-memory.dmp	upx
behavioral2/memory/2948-140-0x0000000000400000-0x00000000004F6000-memory.dmp	upx
behavioral2/memory/2948-144-0x0000000000400000-0x00000000004F6000-memory.dmp	upx

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	svhost.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	2699fd4e118ec814f98e7b62546f8d4d10b28fbef3cafe4442a920d81f6a9016.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4200 set thread context of 2948	4200	2699fd4e118ec814f98e7b62546f8d4d10b28fbef3cafe4442a920d81f6a9016.exe	82

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

System Information Discovery
T1082

NTFS ADS 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\FolderN\name.exe:Zone.Identifier	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4200	2699fd4e118ec814f98e7b62546f8d4d10b28fbef3cafe4442a920d81f6a9016.exe
4200	2699fd4e118ec814f98e7b62546f8d4d10b28fbef3cafe4442a920d81f6a9016.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4200	2699fd4e118ec814f98e7b62546f8d4d10b28fbef3cafe4442a920d81f6a9016.exe
Token: SeShutdownPrivilege	2948	svhost.exe
Token: SeCreatePagefilePrivilege	2948	svhost.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 4200 wrote to memory of 2948	4200	2699fd4e118ec814f98e7b62546f8d4d10b28fbef3cafe4442a920d81f6a9016.exe	82
PID 4200 wrote to memory of 2948	4200	2699fd4e118ec814f98e7b62546f8d4d10b28fbef3cafe4442a920d81f6a9016.exe	82
PID 4200 wrote to memory of 2948	4200	2699fd4e118ec814f98e7b62546f8d4d10b28fbef3cafe4442a920d81f6a9016.exe	82
PID 4200 wrote to memory of 2948	4200	2699fd4e118ec814f98e7b62546f8d4d10b28fbef3cafe4442a920d81f6a9016.exe	82
PID 4200 wrote to memory of 2948	4200	2699fd4e118ec814f98e7b62546f8d4d10b28fbef3cafe4442a920d81f6a9016.exe	82
PID 4200 wrote to memory of 2948	4200	2699fd4e118ec814f98e7b62546f8d4d10b28fbef3cafe4442a920d81f6a9016.exe	82
PID 4200 wrote to memory of 2948	4200	2699fd4e118ec814f98e7b62546f8d4d10b28fbef3cafe4442a920d81f6a9016.exe	82
PID 4200 wrote to memory of 4508	4200	2699fd4e118ec814f98e7b62546f8d4d10b28fbef3cafe4442a920d81f6a9016.exe	83
PID 4200 wrote to memory of 4508	4200	2699fd4e118ec814f98e7b62546f8d4d10b28fbef3cafe4442a920d81f6a9016.exe	83
PID 4200 wrote to memory of 4508	4200	2699fd4e118ec814f98e7b62546f8d4d10b28fbef3cafe4442a920d81f6a9016.exe	83
PID 4200 wrote to memory of 1316	4200	2699fd4e118ec814f98e7b62546f8d4d10b28fbef3cafe4442a920d81f6a9016.exe	85
PID 4200 wrote to memory of 1316	4200	2699fd4e118ec814f98e7b62546f8d4d10b28fbef3cafe4442a920d81f6a9016.exe	85
PID 4200 wrote to memory of 1316	4200	2699fd4e118ec814f98e7b62546f8d4d10b28fbef3cafe4442a920d81f6a9016.exe	85
PID 1316 wrote to memory of 3532	1316	cmd.exe	87
PID 1316 wrote to memory of 3532	1316	cmd.exe	87
PID 1316 wrote to memory of 3532	1316	cmd.exe	87
PID 4200 wrote to memory of 4872	4200	2699fd4e118ec814f98e7b62546f8d4d10b28fbef3cafe4442a920d81f6a9016.exe	88
PID 4200 wrote to memory of 4872	4200	2699fd4e118ec814f98e7b62546f8d4d10b28fbef3cafe4442a920d81f6a9016.exe	88
PID 4200 wrote to memory of 4872	4200	2699fd4e118ec814f98e7b62546f8d4d10b28fbef3cafe4442a920d81f6a9016.exe	88
PID 2948 wrote to memory of 4064	2948	svhost.exe	93
PID 2948 wrote to memory of 4064	2948	svhost.exe	93
PID 2948 wrote to memory of 4064	2948	svhost.exe	93

C:\Users\Admin\AppData\Local\Temp\2699fd4e118ec814f98e7b62546f8d4d10b28fbef3cafe4442a920d81f6a9016.exe
"C:\Users\Admin\AppData\Local\Temp\2699fd4e118ec814f98e7b62546f8d4d10b28fbef3cafe4442a920d81f6a9016.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4200
- C:\Users\Admin\AppData\Local\Temp\svhost.exe
  "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2948
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\OmKOJxz8XdIkZRl9.bat" "
    3⤵
    PID:4064
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c copy "C:/Users/Admin/AppData/Local/Temp/2699fd4e118ec814f98e7b62546f8d4d10b28fbef3cafe4442a920d81f6a9016.exe" "%temp%\FolderN\name.exe" /Y
  2⤵
  PID:4508
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "%temp%\FolderN\name.exe.lnk" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1316
- - C:\Windows\SysWOW64\reg.exe
    reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\FolderN\name.exe.lnk" /f
    3⤵
    PID:3532
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c echo [zoneTransfer]ZoneID = 2 > %temp%\FolderN\name.exe:Zone.Identifier
  2⤵
  - NTFS ADS
  PID:4872

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\FolderN\name.exe

Filesize
546KB

MD5
ea8bd15c924883beb0675399bc9e790a

SHA1
0b18ec8eaa1b11315be4d08618f2df14d60a9be1

SHA256
2699fd4e118ec814f98e7b62546f8d4d10b28fbef3cafe4442a920d81f6a9016

SHA512
7d0c8cadee1a10cdcc039603a114f39cbf9b514a90d98f3142eb300bd73082672e7dae7cc2611f28e89175d600964a7f81cfd5c045b92212cd1dff5ee1665ce6

Download Submit
C:\Users\Admin\AppData\Local\Temp\OmKOJxz8XdIkZRl9.bat

Filesize
204B

MD5
5df96170fc27ad8dd0a5b6f303fe9352

SHA1
a8464dbabf2a6fa435560503ea3fc1f601acce4f

SHA256
72223ebdb01dd29e8d290762c56bf3609ac6cc38b4697daacd4a6d50696eba9d

SHA512
b91b56bbe009459731602d8ecc61d40f0d7a51137e3a71df09a34780f0796c2286f3bcf96a8a587969d9b3365af11f92b9bcc353fa61b8fe50cbe46242ab5b85

Download Submit
C:\Users\Admin\AppData\Local\Temp\svhost.exe

Filesize
2.5MB

MD5
0a7608db01cae07792cea95e792aa866

SHA1
71dff876e4d5edb6cea78fee7aa15845d4950e24

SHA256
c16336ab32195b08c1678220fbe0256fee865f623e2b32fcfa4d9825fd68977e

SHA512
990a6fa1b8adb6727b1dcd8931ad84fdcb556533b78f896a71eae2a7e3ae3222e4b8efaa4b629ced2841211750e0d8a75ddd546a983c2e586918dd8ba4e0dc42

Download Submit
C:\Users\Admin\AppData\Local\Temp\svhost.exe

Filesize
2.5MB

MD5
0a7608db01cae07792cea95e792aa866

SHA1
71dff876e4d5edb6cea78fee7aa15845d4950e24

SHA256
c16336ab32195b08c1678220fbe0256fee865f623e2b32fcfa4d9825fd68977e

SHA512
990a6fa1b8adb6727b1dcd8931ad84fdcb556533b78f896a71eae2a7e3ae3222e4b8efaa4b629ced2841211750e0d8a75ddd546a983c2e586918dd8ba4e0dc42

Download Submit
memory/2948-138-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download
memory/2948-139-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download
memory/2948-140-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download
memory/2948-144-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download
memory/2948-135-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download
memory/4200-133-0x0000000005400000-0x0000000005492000-memory.dmp

Filesize
584KB

Download
memory/4200-132-0x0000000005910000-0x0000000005EB4000-memory.dmp

Filesize
5.6MB

Download
memory/4200-130-0x0000000000700000-0x000000000078E000-memory.dmp

Filesize
568KB

Download
memory/4200-131-0x0000000005160000-0x00000000051FC000-memory.dmp

Filesize
624KB

Download

Analysis

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