webmonitor | 5777f5810423f9e0bc678ef97b0fef98a843d7e90e4257819850c0ef12ac8055

General

Target

DHL_PACKAGE_HD98232.pdf.exe
Size

1.3MB
MD5

0e72b26fbd7f27c2753c02193337c280
SHA1

fc000dd71eeace99e08c54e6a8ec6d578c80ed20
SHA256

6095dd10965d4e081e87c366736e0305b7d42f84dbdb10471bcedacfe145f7a5
SHA512

0f222aef8358f3a712871316eb9aa1c24efc36c90396701c4cbae558a3e52bab6c6acedd2a21555e914204fab47f30b586a6322a81fa925042c05eda4ec34950

Score

10^/10

webmonitor backdoor infostealer rat

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
behavioral2/memory/3876-128-0x000000000049D8CA-mapping.dmp	family_webmonitor
behavioral2/memory/3876-127-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor
behavioral2/memory/3876-129-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor

Suspicious use of SetThreadContext 1 IoCs

Processes:

DHL_PACKAGE_HD98232.pdf.exe

description	pid	Process	procid_target
PID 3908 set thread context of 3876	3908	DHL_PACKAGE_HD98232.pdf.exe	81

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
2332	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

DHL_PACKAGE_HD98232.pdf.exe

pid	Process
3908	DHL_PACKAGE_HD98232.pdf.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

DHL_PACKAGE_HD98232.pdf.exeRegSvcs.exe

description	pid	Process
Token: SeDebugPrivilege	3908	DHL_PACKAGE_HD98232.pdf.exe
Token: SeShutdownPrivilege	3876	RegSvcs.exe
Token: SeCreatePagefilePrivilege	3876	RegSvcs.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

DHL_PACKAGE_HD98232.pdf.exeRegSvcs.exe

description	pid	Process	procid_target
PID 3908 wrote to memory of 2332	3908	DHL_PACKAGE_HD98232.pdf.exe	79
PID 3908 wrote to memory of 2332	3908	DHL_PACKAGE_HD98232.pdf.exe	79
PID 3908 wrote to memory of 2332	3908	DHL_PACKAGE_HD98232.pdf.exe	79
PID 3908 wrote to memory of 3876	3908	DHL_PACKAGE_HD98232.pdf.exe	81
PID 3908 wrote to memory of 3876	3908	DHL_PACKAGE_HD98232.pdf.exe	81
PID 3908 wrote to memory of 3876	3908	DHL_PACKAGE_HD98232.pdf.exe	81
PID 3908 wrote to memory of 3876	3908	DHL_PACKAGE_HD98232.pdf.exe	81
PID 3908 wrote to memory of 3876	3908	DHL_PACKAGE_HD98232.pdf.exe	81
PID 3908 wrote to memory of 3876	3908	DHL_PACKAGE_HD98232.pdf.exe	81
PID 3908 wrote to memory of 3876	3908	DHL_PACKAGE_HD98232.pdf.exe	81
PID 3908 wrote to memory of 3876	3908	DHL_PACKAGE_HD98232.pdf.exe	81
PID 3908 wrote to memory of 3876	3908	DHL_PACKAGE_HD98232.pdf.exe	81
PID 3876 wrote to memory of 2416	3876	RegSvcs.exe	83
PID 3876 wrote to memory of 2416	3876	RegSvcs.exe	83
PID 3876 wrote to memory of 2416	3876	RegSvcs.exe	83

C:\Users\Admin\AppData\Local\Temp\DHL_PACKAGE_HD98232.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\DHL_PACKAGE_HD98232.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3908
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sKUmEKiiItxu" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE12E.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2332
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3876
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\uqcOIx7ZXrsNOVaI.bat" "
    3⤵
    PID:2416

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpE12E.tmp

MD5
8418b94adf7e2db9572e4f785f334b5b

SHA1
5c9ed0c6481a2e30d07db7871d44f9b659ec2669

SHA256
4ec401f774064973966e832ff4c497d8e6281c0ea45f27e452b4572d096fa1f5

SHA512
010ef727df25ffd96012c755d8d6e8fdce015ee7f756fd1a864d7d41b8c6a9bb0a7ce0cc8da331a0993c2fe24ea2f183269b795aa4675a44ded4e0da3c3e11b2

Download Submit
C:\Users\Admin\AppData\Local\Temp\uqcOIx7ZXrsNOVaI.bat

MD5
9e86c940add690e2f87dbf6b50e57039

SHA1
21aac921fd75883d402b7d66bdb93218f118c4e2

SHA256
e16e317ae5b2959ef431a520e6260dfe4e8305b939c9bc53bdeb65eb2c5ca4ff

SHA512
c6647b8ab0f030bdbb989314baacfd8c9d4dd3ae4b354d46b1e09002373265fb8ac63c866899ab751171001a2d9563b0ba684bf447aa629ad4406df9d700ec59

Download Submit
memory/2332-125-0x0000000000000000-mapping.dmp

Download
memory/2416-130-0x0000000000000000-mapping.dmp

Download
memory/3876-129-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/3876-127-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/3876-128-0x000000000049D8CA-mapping.dmp

Download
memory/3908-119-0x0000000004FD0000-0x0000000004FD1000-memory.dmp

Filesize
4KB

Download
memory/3908-123-0x0000000008900000-0x0000000008A00000-memory.dmp

Filesize
1024KB

Download
memory/3908-124-0x000000000C000000-0x000000000C104000-memory.dmp

Filesize
1.0MB

Download
memory/3908-122-0x0000000006BD0000-0x0000000006BDF000-memory.dmp

Filesize
60KB

Download
memory/3908-121-0x0000000004FB0000-0x00000000054AE000-memory.dmp

Filesize
5.0MB

Download
memory/3908-120-0x0000000005220000-0x0000000005221000-memory.dmp

Filesize
4KB

Download
memory/3908-114-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/3908-118-0x0000000005050000-0x0000000005051000-memory.dmp

Filesize
4KB

Download
memory/3908-117-0x00000000054B0000-0x00000000054B1000-memory.dmp

Filesize
4KB

Download
memory/3908-116-0x0000000004F10000-0x0000000004F11000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads