webmonitor | 1f19a803e4e003dc2ddb14183beb84fce2169dc84b67811bf002e83a3bfe2329

Resubmissions

23/09/2021, 13:59

210923-ractvaefc5 8

22/08/2021, 12:44

210822-vqqzsf2ch6 10

Analysis

max time kernel
301s
max time network
305s
platform
windows10_x64
resource
win10v20210410
submitted
22/08/2021, 12:44

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Report Analysis Logs

General

Target

ApowerREC.exe
Size

8.9MB
MD5

810be064429970190268a24af354a2f1
SHA1

f5e17599a9c30a9eada1dcb276b888bdeffd037d
SHA256

7edf30b359be3f27c9e7313352bc2d4cccb0e36010b34633646ea4823a70a82b
SHA512

d385f16cb89fff66926770768d34686963dededf2fe47cb3889fc1ab9ae791c9067b76d78d0f5b58f2a29d9bdb2e709a672d560c97cf34e1834230b322c157b0

Score

10^/10

webmonitor backdoor infostealer persistence rat 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 1 IoCs

resource	yara_rule
behavioral1/memory/2420-146-0x00000000005F5A70-mapping.dmp	family_webmonitor

Executes dropped EXE 4 IoCs

pid	Process
3264	chrome.exe
512	chrome.exe
808	revpe.exe
3884	chrome.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2420-145-0x0000000000400000-0x00000000005F7000-memory.dmp	upx
behavioral1/memory/2420-149-0x0000000000400000-0x00000000005F7000-memory.dmp	upx
behavioral1/memory/1504-155-0x0000000000400000-0x000000000041B000-memory.dmp	upx
behavioral1/memory/1504-171-0x0000000000400000-0x000000000041B000-memory.dmp	upx

Adds Run key to start application 2 TTPs 8 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WM-934e = "C:\\Users\\Admin\\AppData\\Roaming\\WM-934e.exe쨀"	AppLaunch.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\WM-934e = "C:\\Users\\Admin\\AppData\\Roaming\\WM-934e.exe\uff00"	AppLaunch.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WM-934e = "C:\\Users\\Admin\\AppData\\Roaming\\WM-934e.exe\uff00"	AppLaunch.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\WM-934e = "C:\\Users\\Admin\\AppData\\Roaming\\WM-934e.exe\uf800"	AppLaunch.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WM-934e = "C:\\Users\\Admin\\AppData\\Roaming\\WM-934e.exe\uf800"	AppLaunch.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\WM-934e = "C:\\Users\\Admin\\AppData\\Roaming\\WM-934e.exe"	AppLaunch.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WM-934e = "C:\\Users\\Admin\\AppData\\Roaming\\WM-934e.exe"	AppLaunch.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\WM-934e = "C:\\Users\\Admin\\AppData\\Roaming\\WM-934e.exe쨀"	AppLaunch.exe

Suspicious use of SetThreadContext 8 IoCs

description	pid	Process	procid_target
PID 1968 set thread context of 212	1968	ApowerREC.exe	79
PID 3264 set thread context of 2732	3264	chrome.exe	91
PID 512 set thread context of 2420	512	chrome.exe	97
PID 2420 set thread context of 1504	2420	AppLaunch.exe	100
PID 2420 set thread context of 2060	2420	AppLaunch.exe	102
PID 2420 set thread context of 808	2420	AppLaunch.exe	105
PID 2420 set thread context of 3896	2420	AppLaunch.exe	106
PID 3884 set thread context of 2260	3884	chrome.exe	112

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

System Information Discovery
T1082

Program crash 3 IoCs

pid	pid_target	Process	procid_target
3412	3264	WerFault.exe	88
1348	512	WerFault.exe	94
1112	3884	WerFault.exe	109

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

pid	Process
2356	schtasks.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

pid	Process
3412	WerFault.exe
3412	WerFault.exe
3412	WerFault.exe
3412	WerFault.exe
3412	WerFault.exe
3412	WerFault.exe
3412	WerFault.exe
3412	WerFault.exe
3412	WerFault.exe
3412	WerFault.exe
3412	WerFault.exe
3412	WerFault.exe
3412	WerFault.exe
3412	WerFault.exe
3412	WerFault.exe
1348	WerFault.exe
1348	WerFault.exe
1348	WerFault.exe
1348	WerFault.exe
1348	WerFault.exe
1348	WerFault.exe
1348	WerFault.exe
1348	WerFault.exe
1348	WerFault.exe
1348	WerFault.exe
1348	WerFault.exe
1348	WerFault.exe
1348	WerFault.exe
1348	WerFault.exe
1348	WerFault.exe
1112	WerFault.exe
1112	WerFault.exe
1112	WerFault.exe
1112	WerFault.exe
1112	WerFault.exe
1112	WerFault.exe
1112	WerFault.exe
1112	WerFault.exe
1112	WerFault.exe
1112	WerFault.exe
1112	WerFault.exe
1112	WerFault.exe
1112	WerFault.exe
1112	WerFault.exe
1112	WerFault.exe
1112	WerFault.exe

Suspicious use of AdjustPrivilegeToken 15 IoCs

description	pid	Process
Token: SeDebugPrivilege	1968	ApowerREC.exe
Token: SeDebugPrivilege	3264	chrome.exe
Token: SeRestorePrivilege	3412	WerFault.exe
Token: SeBackupPrivilege	3412	WerFault.exe
Token: SeDebugPrivilege	3412	WerFault.exe
Token: SeDebugPrivilege	512	chrome.exe
Token: SeDebugPrivilege	2420	AppLaunch.exe
Token: SeDebugPrivilege	1348	WerFault.exe
Token: SeShutdownPrivilege	2420	AppLaunch.exe
Token: SeCreatePagefilePrivilege	2420	AppLaunch.exe
Token: SeDebugPrivilege	3884	chrome.exe
Token: SeDebugPrivilege	2260	AppLaunch.exe
Token: SeDebugPrivilege	1112	WerFault.exe
Token: SeShutdownPrivilege	2260	AppLaunch.exe
Token: SeCreatePagefilePrivilege	2260	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2420	AppLaunch.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1968 wrote to memory of 3384	1968	ApowerREC.exe	77
PID 1968 wrote to memory of 3384	1968	ApowerREC.exe	77
PID 1968 wrote to memory of 3384	1968	ApowerREC.exe	77
PID 1968 wrote to memory of 212	1968	ApowerREC.exe	79
PID 1968 wrote to memory of 212	1968	ApowerREC.exe	79
PID 1968 wrote to memory of 212	1968	ApowerREC.exe	79
PID 1968 wrote to memory of 212	1968	ApowerREC.exe	79
PID 1968 wrote to memory of 212	1968	ApowerREC.exe	79
PID 1968 wrote to memory of 212	1968	ApowerREC.exe	79
PID 1968 wrote to memory of 212	1968	ApowerREC.exe	79
PID 1968 wrote to memory of 1140	1968	ApowerREC.exe	83
PID 1968 wrote to memory of 1140	1968	ApowerREC.exe	83
PID 1968 wrote to memory of 1140	1968	ApowerREC.exe	83
PID 1968 wrote to memory of 4048	1968	ApowerREC.exe	85
PID 1968 wrote to memory of 4048	1968	ApowerREC.exe	85
PID 1968 wrote to memory of 4048	1968	ApowerREC.exe	85
PID 1140 wrote to memory of 2356	1140	cmd.exe	87
PID 1140 wrote to memory of 2356	1140	cmd.exe	87
PID 1140 wrote to memory of 2356	1140	cmd.exe	87
PID 3264 wrote to memory of 200	3264	chrome.exe	89
PID 3264 wrote to memory of 200	3264	chrome.exe	89
PID 3264 wrote to memory of 200	3264	chrome.exe	89
PID 3264 wrote to memory of 2732	3264	chrome.exe	91
PID 3264 wrote to memory of 2732	3264	chrome.exe	91
PID 3264 wrote to memory of 2732	3264	chrome.exe	91
PID 3264 wrote to memory of 2732	3264	chrome.exe	91
PID 3264 wrote to memory of 2732	3264	chrome.exe	91
PID 3264 wrote to memory of 2732	3264	chrome.exe	91
PID 3264 wrote to memory of 2732	3264	chrome.exe	91
PID 512 wrote to memory of 2172	512	chrome.exe	95
PID 512 wrote to memory of 2172	512	chrome.exe	95
PID 512 wrote to memory of 2172	512	chrome.exe	95
PID 512 wrote to memory of 2420	512	chrome.exe	97
PID 512 wrote to memory of 2420	512	chrome.exe	97
PID 512 wrote to memory of 2420	512	chrome.exe	97
PID 512 wrote to memory of 2420	512	chrome.exe	97
PID 512 wrote to memory of 2420	512	chrome.exe	97
PID 512 wrote to memory of 2420	512	chrome.exe	97
PID 512 wrote to memory of 2420	512	chrome.exe	97
PID 2420 wrote to memory of 1504	2420	AppLaunch.exe	100
PID 2420 wrote to memory of 1504	2420	AppLaunch.exe	100
PID 2420 wrote to memory of 1504	2420	AppLaunch.exe	100
PID 2420 wrote to memory of 1504	2420	AppLaunch.exe	100
PID 2420 wrote to memory of 1504	2420	AppLaunch.exe	100
PID 2420 wrote to memory of 1504	2420	AppLaunch.exe	100
PID 2420 wrote to memory of 1504	2420	AppLaunch.exe	100
PID 2420 wrote to memory of 1504	2420	AppLaunch.exe	100
PID 2420 wrote to memory of 2060	2420	AppLaunch.exe	102
PID 2420 wrote to memory of 2060	2420	AppLaunch.exe	102
PID 2420 wrote to memory of 2060	2420	AppLaunch.exe	102
PID 2420 wrote to memory of 2060	2420	AppLaunch.exe	102
PID 2420 wrote to memory of 2060	2420	AppLaunch.exe	102
PID 2420 wrote to memory of 2060	2420	AppLaunch.exe	102
PID 2420 wrote to memory of 2060	2420	AppLaunch.exe	102
PID 2420 wrote to memory of 2060	2420	AppLaunch.exe	102
PID 2420 wrote to memory of 3800	2420	AppLaunch.exe	103
PID 2420 wrote to memory of 3800	2420	AppLaunch.exe	103
PID 2420 wrote to memory of 3800	2420	AppLaunch.exe	103
PID 2420 wrote to memory of 808	2420	AppLaunch.exe	105
PID 2420 wrote to memory of 808	2420	AppLaunch.exe	105
PID 2420 wrote to memory of 808	2420	AppLaunch.exe	105
PID 2420 wrote to memory of 808	2420	AppLaunch.exe	105
PID 2420 wrote to memory of 808	2420	AppLaunch.exe	105
PID 2420 wrote to memory of 808	2420	AppLaunch.exe	105

C:\Users\Admin\AppData\Local\Temp\ApowerREC.exe
"C:\Users\Admin\AppData\Local\Temp\ApowerREC.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1968
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c
  2⤵
  PID:3384
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
  2⤵
  PID:212
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Local\Temp\chrome\chrome.exe'" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1140
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Local\Temp\chrome\chrome.exe'" /f
    3⤵
    - Creates scheduled task(s)
    PID:2356
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\ApowerREC.exe" "C:\Users\Admin\AppData\Local\Temp\chrome\chrome.exe"
  2⤵
  PID:4048

C:\Users\Admin\AppData\Local\Temp\chrome\chrome.exe
C:\Users\Admin\AppData\Local\Temp\chrome\chrome.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3264
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c
  2⤵
  PID:200
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
  2⤵
  PID:2732
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3264 -s 1892
  2⤵
  - Program crash
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3412

C:\Users\Admin\AppData\Local\Temp\chrome\chrome.exe
C:\Users\Admin\AppData\Local\Temp\chrome\chrome.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:512
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c
  2⤵
  PID:2172
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2420
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    -d 56007 TCP
    3⤵
    PID:1504
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    -a 10.10.0.30 56007 56007 TCP
    3⤵
    PID:2060
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    -d 56008 TCP
    3⤵
    PID:3800
- - C:\Users\Admin\AppData\Local\Temp\revpe.exe
    -d 56008 TCP
    3⤵
    - Executes dropped EXE
    PID:808
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    -a 10.10.0.30 56008 56008 TCP
    3⤵
    PID:3896
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 512 -s 1868
  2⤵
  - Program crash
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1348

C:\Users\Admin\AppData\Local\Temp\chrome\chrome.exe
C:\Users\Admin\AppData\Local\Temp\chrome\chrome.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
PID:3884
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c
  2⤵
  PID:3264
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2260
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3884 -s 1868
  2⤵
  - Program crash
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1112

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/512-143-0x0000000002B30000-0x0000000002B31000-memory.dmp

Filesize
4KB

Download
memory/1504-155-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1504-171-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1968-117-0x0000000005200000-0x0000000005201000-memory.dmp

Filesize
4KB

Download
memory/1968-114-0x0000000000B10000-0x0000000000B11000-memory.dmp

Filesize
4KB

Download
memory/1968-116-0x0000000005700000-0x0000000005701000-memory.dmp

Filesize
4KB

Download
memory/1968-118-0x0000000005130000-0x0000000005131000-memory.dmp

Filesize
4KB

Download
memory/1968-119-0x00000000051E0000-0x00000000051E1000-memory.dmp

Filesize
4KB

Download
memory/2420-154-0x0000000007530000-0x0000000008530000-memory.dmp

Filesize
16.0MB

Download
memory/2420-149-0x0000000000400000-0x00000000005F7000-memory.dmp

Filesize
2.0MB

Download
memory/2420-145-0x0000000000400000-0x00000000005F7000-memory.dmp

Filesize
2.0MB

Download
memory/3264-133-0x0000000000A10000-0x0000000000A11000-memory.dmp

Filesize
4KB

Download
memory/3264-128-0x0000000000B50000-0x0000000000B51000-memory.dmp

Filesize
4KB

Download
memory/3884-177-0x0000000005740000-0x0000000005741000-memory.dmp

Filesize
4KB

Download