revengerat | 13efa382b10defb99bd1415a12ab885da5ba6773bd651f2a983239bf10bcd5c4

General

Target

13efa382b10defb99bd1415a12ab885da5ba6773bd651f2a983239bf10bcd5c4.vbs
Size

151KB
MD5

2617fabde3d4865c6838626ff1f08dd4
SHA1

1b30dd98a97c25f898b9a90765b9da65e5f59a85
SHA256

13efa382b10defb99bd1415a12ab885da5ba6773bd651f2a983239bf10bcd5c4
SHA512

10e525b6fd13fc268e4eecad4abe1ee5d81fb0ebba701c522b6ff2485954477ccdb9810ceb06d51183469f3e5f5e0af8935d20156e25d601d14e371d040af8b8

Score

10^/10

revengerat nyancatrevenge trojan

Malware Config

Extracted

Family

revengerat

Botnet

NyanCatRevenge

C2

h0pe1759.ddns.net:6943

Mutex

128f3f5311064da68d3

Signatures

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

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-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	WScript.exe

Drops startup file 2 IoCs

Processes:

powershell.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Installation.vbs	powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Installation.vbs	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.exe

description pid process target process

PID 4624 set thread context of 4744 4624 powershell.exe InstallUtil.exe

description	pid	process	target process
PID 4624 set thread context of 4744	4624	powershell.exe	InstallUtil.exe

Drops file in Windows directory 6 IoCs

Processes:

svchost.exe

description	ioc	process
File opened for modification	C:\Windows\WindowsUpdate.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	svchost.exe

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

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exe

pid process

4624 powershell.exe
4624 powershell.exe
4624 powershell.exe
4624 powershell.exe

pid	process
4624	powershell.exe
4624	powershell.exe
4624	powershell.exe
4624	powershell.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

powershell.exesvchost.exe

description	pid	process
Token: SeDebugPrivilege	4624	powershell.exe
Token: SeShutdownPrivilege	4484	svchost.exe
Token: SeCreatePagefilePrivilege	4484	svchost.exe
Token: SeShutdownPrivilege	4484	svchost.exe
Token: SeCreatePagefilePrivilege	4484	svchost.exe
Token: SeShutdownPrivilege	4484	svchost.exe
Token: SeCreatePagefilePrivilege	4484	svchost.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

WScript.exepowershell.execsc.exe

description	pid	process	target process
PID 1540 wrote to memory of 4624	1540	WScript.exe	powershell.exe
PID 1540 wrote to memory of 4624	1540	WScript.exe	powershell.exe
PID 4624 wrote to memory of 3616	4624	powershell.exe	csc.exe
PID 4624 wrote to memory of 3616	4624	powershell.exe	csc.exe
PID 3616 wrote to memory of 4492	3616	csc.exe	cvtres.exe
PID 3616 wrote to memory of 4492	3616	csc.exe	cvtres.exe
PID 4624 wrote to memory of 1400	4624	powershell.exe	InstallUtil.exe
PID 4624 wrote to memory of 1400	4624	powershell.exe	InstallUtil.exe
PID 4624 wrote to memory of 1400	4624	powershell.exe	InstallUtil.exe
PID 4624 wrote to memory of 4744	4624	powershell.exe	InstallUtil.exe
PID 4624 wrote to memory of 4744	4624	powershell.exe	InstallUtil.exe
PID 4624 wrote to memory of 4744	4624	powershell.exe	InstallUtil.exe
PID 4624 wrote to memory of 4744	4624	powershell.exe	InstallUtil.exe
PID 4624 wrote to memory of 4744	4624	powershell.exe	InstallUtil.exe
PID 4624 wrote to memory of 4744	4624	powershell.exe	InstallUtil.exe
PID 4624 wrote to memory of 4744	4624	powershell.exe	InstallUtil.exe
PID 4624 wrote to memory of 4744	4624	powershell.exe	InstallUtil.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\13efa382b10defb99bd1415a12ab885da5ba6773bd651f2a983239bf10bcd5c4.vbs"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1540

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EXECUTIONPOLICY REMOTESIGNED -FILE C:\Users\Admin\AppData\Local\Temp\Systray64.PS1
2⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4624

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\jmfcx1zq\jmfcx1zq.cmdline"
3⤵
- Suspicious use of WriteProcessMemory
PID:3616

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESB8FD.tmp" "c:\Users\Admin\AppData\Local\Temp\jmfcx1zq\CSC400B63F423844688BE3C7CD1518535B6.TMP"
4⤵
PID:4492

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
3⤵
PID:1400

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
3⤵
PID:4744

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:4484

Network

MITRE ATT&CK Enterprise v6

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\RESB8FD.tmp

MD5
961a13c9af30d336a949d732bf8d3bc8

SHA1
83ab19ea8e060de823fc022f339d32f3106308f3

SHA256
0fe00f2a6ce7d1c57c1bf15321054814f1defbada2333bbf259426306f86aa00

SHA512
765b2c5839878c1084c5ffe850a45e34f5bd1e3ee84166790238111a3bbeb79bb2936b66397bf9f4faa36e0838e332eff1f63d79203b8968c2019d4c2ec8cef4

Download Submit
C:\Users\Admin\AppData\Local\Temp\Systray64.PS1

MD5
3bf84ac22ea91f5dab4a2e743ecee16d

SHA1
8bcc6a36b44413266bd44915aa2af7198045d0bb

SHA256
5482d824e6edc8cd2237aad6b99ad5f7b5bb7676bd3fee92f295707c3db32d10

SHA512
b0905a70c14a780674781db670a6f89bd85564f38601eb3e50bffcaa8e23079b68281d51c38f5679b8fa5796a798714990bc2f3fb4aade2f814416ebc6cd2d8f

Download Submit
C:\Users\Admin\AppData\Local\Temp\jmfcx1zq\jmfcx1zq.dll

MD5
93d8e9a7c2ba62cf2c8d33f21c8b06b9

SHA1
aa1af5b45d388afa59074bf916e6112ea0d9c159

SHA256
e6587bbf9d6d00c504566ce441ef2882d0a400ffe66f77714c8ad67d48e2f4a1

SHA512
3a186fe5e820d8a057f684276b61fd1681d8ca397999043983ee58e878c3c4d201cf719f5b1bc69ead6a6d7538ac2877de426ad4343fa64a7774a61d94314255

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\jmfcx1zq\CSC400B63F423844688BE3C7CD1518535B6.TMP

MD5
d521ec50972a1707365b886bdbe1d47a

SHA1
72400057e141bcde84eaa56d604866a2481212e7

SHA256
922d2d2da9362947fab029dcf143e72a7307e63857aea5d87810ed6262a3337a

SHA512
6c1de0ee1e9ef8563deeb953b924cdd65d093204f981b78b26797612c53e2c0e46d62d131017019eec319854235d8da80c742e2933ff1a003b92dbb0cc1f685c

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\jmfcx1zq\jmfcx1zq.0.cs

MD5
e03b1e7ba7f1a53a7e10c0fd9049f437

SHA1
3bb851a42717eeb588eb7deadfcd04c571c15f41

SHA256
3ca2d456cf2f8d781f2134e1481bd787a9cb6f4bcaa2131ebbe0d47a0eb36427

SHA512
a098a8e2a60a75357ee202ed4bbe6b86fa7b2ebae30574791e0d13dcf3ee95b841a14b51553c23b95af32a29cc2265afc285b3b0442f0454ea730de4d647383f

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\jmfcx1zq\jmfcx1zq.cmdline

MD5
bd0dad42dafa84e34569029756282b6a

SHA1
b9940c457692c2adfdbc8b6fa46a7cc64a4f8382

SHA256
fe1bb3e49b6c56b3745826a5e6ef441dbcdc68843479330f086c8ba6e15c052f

SHA512
d95fdb03eec3798866b90e6cdf7543c65339bc3922d141cc6ccedbef6dc11275ff65812e09040a5dce61dd5092a38c539be9e994c65e460d1dbb2beff8d115f9

Download Submit
memory/4484-148-0x000001E994AA0000-0x000001E994AA4000-memory.dmp

Filesize
16KB

Download
memory/4484-147-0x000001E991D90000-0x000001E991DA0000-memory.dmp

Filesize
64KB

Download
memory/4484-146-0x000001E991D30000-0x000001E991D40000-memory.dmp

Filesize
64KB

Download
memory/4624-134-0x0000027FCC3A3000-0x0000027FCC3A5000-memory.dmp

Filesize
8KB

Download
memory/4624-136-0x0000027FCD310000-0x0000027FCD386000-memory.dmp

Filesize
472KB

Download
memory/4624-135-0x0000027FCC3A6000-0x0000027FCC3A8000-memory.dmp

Filesize
8KB

Download
memory/4624-130-0x0000027FCC370000-0x0000027FCC392000-memory.dmp

Filesize
136KB

Download
memory/4624-133-0x0000027FCC3A0000-0x0000027FCC3A2000-memory.dmp

Filesize
8KB

Download
memory/4624-132-0x00007FFC895A3000-0x00007FFC895A5000-memory.dmp

Filesize
8KB

Download
memory/4744-142-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4744-143-0x0000000005260000-0x0000000005804000-memory.dmp

Filesize
5.6MB

Download
memory/4744-144-0x00000000752FE000-0x00000000752FF000-memory.dmp

Filesize
4KB

Download
memory/4744-145-0x0000000004D40000-0x0000000004D41000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads