webmonitor | 28fd0fcdf202f29eaaee33d23939cd5bdd75bd68ee4c7815d4ca4dd2e6a04be5

Analysis

max time kernel
18s
max time network
121s
platform
windows10_x64
resource
win10v20210408
submitted
16-08-2021 05:10

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General

Target

OUTSTANDING_DEBTS.exe
Size

1.3MB
MD5

a0cb248c9464e9ea4f72ebc7d7807e98
SHA1

d049bc23f0604897e32ac0f76f52677a7c8ce991
SHA256

28fd0fcdf202f29eaaee33d23939cd5bdd75bd68ee4c7815d4ca4dd2e6a04be5
SHA512

4849ad39e130e6513ba56d5a23eae54c73f3f7436ff3a289ebc93ab5106bb9ba56f8b58d543b94576c07ff3c79991e9f3a7f85ad84d9ac4d0317dde2b83dce2c

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 1 IoCs

resource	yara_rule
behavioral2/memory/3428-118-0x0000000000400000-0x00000000004F3000-memory.dmp	family_webmonitor

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 740 set thread context of 3428	740	OUTSTANDING_DEBTS.exe	76

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

System Information Discovery
T1082

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
740	OUTSTANDING_DEBTS.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3428	OUTSTANDING_DEBTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3428	OUTSTANDING_DEBTS.exe
Token: SeCreatePagefilePrivilege	3428	OUTSTANDING_DEBTS.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 740 wrote to memory of 3428	740	OUTSTANDING_DEBTS.exe	76
PID 740 wrote to memory of 3428	740	OUTSTANDING_DEBTS.exe	76
PID 740 wrote to memory of 3428	740	OUTSTANDING_DEBTS.exe	76
PID 740 wrote to memory of 3428	740	OUTSTANDING_DEBTS.exe	76
PID 3428 wrote to memory of 640	3428	OUTSTANDING_DEBTS.exe	80
PID 3428 wrote to memory of 640	3428	OUTSTANDING_DEBTS.exe	80
PID 3428 wrote to memory of 640	3428	OUTSTANDING_DEBTS.exe	80

C:\Users\Admin\AppData\Local\Temp\OUTSTANDING_DEBTS.exe
"C:\Users\Admin\AppData\Local\Temp\OUTSTANDING_DEBTS.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:740
- C:\Users\Admin\AppData\Local\Temp\OUTSTANDING_DEBTS.exe
  "C:\Users\Admin\AppData\Local\Temp\OUTSTANDING_DEBTS.exe"
  2⤵
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3428
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\pMeFP78DnDjr2cxk.bat" "
    3⤵
    PID:640

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/740-117-0x0000000003190000-0x0000000003192000-memory.dmp

Filesize
8KB

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memory/3428-118-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

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