webmonitor | e25b99b58c4f58caa57d6cc934f9efb97489aec576e4ab170eb6feb7793f2eed

General

Target

93f61ea9b665afc793fa204699cb4125_JaffaCakes118.exe
Size

1.6MB
MD5

93f61ea9b665afc793fa204699cb4125
SHA1

75d62f1bbdafbebc3fe79a4f404a50444170cef2
SHA256

e25b99b58c4f58caa57d6cc934f9efb97489aec576e4ab170eb6feb7793f2eed
SHA512

78e94aff1cd0f6dc032c8c3a716489bb3cd1eeaa293e24ec9e28eb1167ffac88d4f9a9ed57d83aeab31f033c7332ab359f8f2efc372abb7cdbadb1dad2be511f
SSDEEP

24576:Ru6Jx3O0c+JY5UZ+XC0kGso/Wa0Ktp/RutocwUXRitJcXDjhAWY:DI0c++OCvkGsUWaOY

Score

10^/10

webmonitor backdoor infostealer rat upx

Malware Config

Extracted

Family

webmonitor

C2

preetha.wm01.to:443

Attributes

config_key
QuvlUX1F0t9VVObPIMdFN2IC4RdIDe8m
private_key
32i3qiVRG
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 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3260-10-0x0000000000400000-0x00000000004F2000-memory.dmp	family_webmonitor
behavioral2/memory/3260-9-0x0000000000400000-0x00000000004F2000-memory.dmp	family_webmonitor
behavioral2/memory/3260-14-0x0000000000400000-0x00000000004F2000-memory.dmp	family_webmonitor

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

93f61ea9b665afc793fa204699cb4125_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	93f61ea9b665afc793fa204699cb4125_JaffaCakes118.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3260-2-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/3260-8-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/3260-10-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/3260-9-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/3260-7-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/3260-14-0x0000000000400000-0x00000000004F2000-memory.dmp	upx

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
behavioral2/memory/3260-15-0x00000000006A0000-0x0000000000834000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

93f61ea9b665afc793fa204699cb4125_JaffaCakes118.exe

description	pid	process	target process
PID 1920 set thread context of 3260	1920	93f61ea9b665afc793fa204699cb4125_JaffaCakes118.exe	93f61ea9b665afc793fa204699cb4125_JaffaCakes118.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

93f61ea9b665afc793fa204699cb4125_JaffaCakes118.exe

pid	process
1920	93f61ea9b665afc793fa204699cb4125_JaffaCakes118.exe
1920	93f61ea9b665afc793fa204699cb4125_JaffaCakes118.exe
1920	93f61ea9b665afc793fa204699cb4125_JaffaCakes118.exe
1920	93f61ea9b665afc793fa204699cb4125_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

93f61ea9b665afc793fa204699cb4125_JaffaCakes118.exe

pid process

3260 93f61ea9b665afc793fa204699cb4125_JaffaCakes118.exe

pid	process
3260	93f61ea9b665afc793fa204699cb4125_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

93f61ea9b665afc793fa204699cb4125_JaffaCakes118.exe

description	pid	process
Token: SeShutdownPrivilege	3260	93f61ea9b665afc793fa204699cb4125_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	3260	93f61ea9b665afc793fa204699cb4125_JaffaCakes118.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

93f61ea9b665afc793fa204699cb4125_JaffaCakes118.exe

pid	process
1920	93f61ea9b665afc793fa204699cb4125_JaffaCakes118.exe
1920	93f61ea9b665afc793fa204699cb4125_JaffaCakes118.exe
1920	93f61ea9b665afc793fa204699cb4125_JaffaCakes118.exe

Suspicious use of SendNotifyMessage 3 IoCs

Processes:

93f61ea9b665afc793fa204699cb4125_JaffaCakes118.exe

pid	process
1920	93f61ea9b665afc793fa204699cb4125_JaffaCakes118.exe
1920	93f61ea9b665afc793fa204699cb4125_JaffaCakes118.exe
1920	93f61ea9b665afc793fa204699cb4125_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

93f61ea9b665afc793fa204699cb4125_JaffaCakes118.exe93f61ea9b665afc793fa204699cb4125_JaffaCakes118.exe

description	pid	process	target process
PID 1920 wrote to memory of 3260	1920	93f61ea9b665afc793fa204699cb4125_JaffaCakes118.exe	93f61ea9b665afc793fa204699cb4125_JaffaCakes118.exe
PID 1920 wrote to memory of 3260	1920	93f61ea9b665afc793fa204699cb4125_JaffaCakes118.exe	93f61ea9b665afc793fa204699cb4125_JaffaCakes118.exe
PID 1920 wrote to memory of 3260	1920	93f61ea9b665afc793fa204699cb4125_JaffaCakes118.exe	93f61ea9b665afc793fa204699cb4125_JaffaCakes118.exe
PID 1920 wrote to memory of 3260	1920	93f61ea9b665afc793fa204699cb4125_JaffaCakes118.exe	93f61ea9b665afc793fa204699cb4125_JaffaCakes118.exe
PID 1920 wrote to memory of 3260	1920	93f61ea9b665afc793fa204699cb4125_JaffaCakes118.exe	93f61ea9b665afc793fa204699cb4125_JaffaCakes118.exe
PID 3260 wrote to memory of 3700	3260	93f61ea9b665afc793fa204699cb4125_JaffaCakes118.exe	cmd.exe
PID 3260 wrote to memory of 3700	3260	93f61ea9b665afc793fa204699cb4125_JaffaCakes118.exe	cmd.exe
PID 3260 wrote to memory of 3700	3260	93f61ea9b665afc793fa204699cb4125_JaffaCakes118.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\93f61ea9b665afc793fa204699cb4125_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\93f61ea9b665afc793fa204699cb4125_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1920
- C:\Users\Admin\AppData\Local\Temp\93f61ea9b665afc793fa204699cb4125_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\93f61ea9b665afc793fa204699cb4125_JaffaCakes118.exe"
  2⤵
  - Checks computer location settings
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3260
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\PcAUqLZzy5jRWl4r.bat" "
    3⤵
    PID:3700

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\PcAUqLZzy5jRWl4r.bat

Filesize
204B

MD5
5583877deaacc6a32bc6856afcd8f802

SHA1
58f77130cead72d42970475ef5e479a4750a8b94

SHA256
1e420f90387d5d9917b34314cf57366a7f8e19a0bc58094d6b6f97e14c2cd64e

SHA512
6928ecdc35a2b9f28aacf2d2be233532b37b91a03663fc79cd28aa1c6c2b3b37c449190114968eb8157b8f3411807a5bdaafaeda0314f22d9cf462a827f60a65

Download Submit
memory/1920-1-0x0000000003A50000-0x0000000003A51000-memory.dmp

Filesize
4KB

Download
memory/1920-0-0x0000000003B60000-0x0000000003BBB000-memory.dmp

Filesize
364KB

Download
memory/3260-2-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/3260-8-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/3260-10-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/3260-9-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/3260-7-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/3260-14-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/3260-15-0x00000000006A0000-0x0000000000834000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads