revengerat | 3ef00155baeabbeb0ef1c43d331acc59cf051bfe03257679afe23555743ec898

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
11-03-2022 04:13

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General

Target

3ef00155baeabbeb0ef1c43d331acc59cf051bfe03257679afe23555743ec898.exe
Size

3.4MB
MD5

a0831b1b18e7f3fc23ab72b2d4ee8bff
SHA1

bf53a73c0b14425c4c2df960613c22a5bdd5a172
SHA256

3ef00155baeabbeb0ef1c43d331acc59cf051bfe03257679afe23555743ec898
SHA512

78db962ba5bdfc66a11df57190e56fc6c006d1048467537b96a1d1f54b6335258910cbacc1ca5de3532130bbcf80816fa0ef6fab07bf056c25b3c38535342f8c

Score

10^/10

revengerat persistence stealer trojan

Malware Config

Signatures

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

RevengeRat Executable 2 IoCs

stealer

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\svchost .exe	revengerat
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\svchost .exe	revengerat

Executes dropped EXE 3 IoCs

Processes:

CDS.execrypted.exesvchost .exe

pid process

940 CDS.exe
2476 crypted.exe
4364 svchost .exe

pid	process
940	CDS.exe
2476	crypted.exe
4364	svchost .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

Processes:

CDS.execrypted.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	CDS.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	crypted.exe

Loads dropped DLL 1 IoCs

Processes:

CDS.exe

pid process

940 CDS.exe

pid	process
940	CDS.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

3ef00155baeabbeb0ef1c43d331acc59cf051bfe03257679afe23555743ec898.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	3ef00155baeabbeb0ef1c43d331acc59cf051bfe03257679afe23555743ec898.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	3ef00155baeabbeb0ef1c43d331acc59cf051bfe03257679afe23555743ec898.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 2 IoCs

Processes:

CDS.exe

pid process

940 CDS.exe
940 CDS.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

AUDIODG.EXE

description pid process

Token: 33 1340 AUDIODG.EXE
Token: SeIncBasePriorityPrivilege 1340 AUDIODG.EXE
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

CDS.exe

pid process

940 CDS.exe
940 CDS.exe

pid	process
940	CDS.exe
940	CDS.exe

description	pid	process
Token: 33	1340	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1340	AUDIODG.EXE

pid	process
940	CDS.exe
940	CDS.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

3ef00155baeabbeb0ef1c43d331acc59cf051bfe03257679afe23555743ec898.exeCDS.execrypted.exesvchost .exefondue.exe

description	pid	process	target process
PID 608 wrote to memory of 940	608	3ef00155baeabbeb0ef1c43d331acc59cf051bfe03257679afe23555743ec898.exe	CDS.exe
PID 608 wrote to memory of 940	608	3ef00155baeabbeb0ef1c43d331acc59cf051bfe03257679afe23555743ec898.exe	CDS.exe
PID 608 wrote to memory of 940	608	3ef00155baeabbeb0ef1c43d331acc59cf051bfe03257679afe23555743ec898.exe	CDS.exe
PID 940 wrote to memory of 2476	940	CDS.exe	crypted.exe
PID 940 wrote to memory of 2476	940	CDS.exe	crypted.exe
PID 940 wrote to memory of 2476	940	CDS.exe	crypted.exe
PID 2476 wrote to memory of 4364	2476	crypted.exe	svchost .exe
PID 2476 wrote to memory of 4364	2476	crypted.exe	svchost .exe
PID 2476 wrote to memory of 4364	2476	crypted.exe	svchost .exe
PID 4364 wrote to memory of 3716	4364	svchost .exe	fondue.exe
PID 4364 wrote to memory of 3716	4364	svchost .exe	fondue.exe
PID 4364 wrote to memory of 3716	4364	svchost .exe	fondue.exe
PID 3716 wrote to memory of 3448	3716	fondue.exe	FonDUE.EXE
PID 3716 wrote to memory of 3448	3716	fondue.exe	FonDUE.EXE

C:\Users\Admin\AppData\Local\Temp\3ef00155baeabbeb0ef1c43d331acc59cf051bfe03257679afe23555743ec898.exe
"C:\Users\Admin\AppData\Local\Temp\3ef00155baeabbeb0ef1c43d331acc59cf051bfe03257679afe23555743ec898.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:608
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CDS.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CDS.exe
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:940
- - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\crypted.exe
    "C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\crypted.exe"
    3⤵
    - Executes dropped EXE
    - Checks computer location settings
    - Suspicious use of WriteProcessMemory
    PID:2476
  - - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\svchost .exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\svchost .exe"
      4⤵
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:4364
    - - C:\Windows\SysWOW64\fondue.exe
        
        "C:\Windows\system32\fondue.exe" /enable-feature:NetFx3 /caller-name:mscoreei.dll
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:3716
      - C:\Windows\system32\FonDUE.EXE
        
        "C:\Windows\sysnative\FonDUE.EXE" /enable-feature:NetFx3 /caller-name:mscoreei.dll
        6⤵
        
        PID:3448

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x444 0x2ec
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1340

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\630_10.png

MD5
340b294efc691d1b20c64175d565ebc7

SHA1
81cb9649bd1c9a62ae79e781818fc24d15c29ce7

SHA256
72566894059452101ea836bbff9ede5069141eeb52022ab55baa24e1666825c9

SHA512
1395a8e175c63a1a1ff459a9dac437156c74299272e020e7e078a087969251a8534f17244a529acbc1b6800a97d4c0abfa3c88f6fcb88423f56dfaae9b49fc3d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CDS.cdd

MD5
3e7ecaeb51c2812d13b07ec852d74aaf

SHA1
e9bdab93596ffb0f7f8c65243c579180939acb26

SHA256
e7e942993864e8b18780ef10a415f7b93924c6378248c52f0c96895735222b96

SHA512
635cd5173b595f1905af9eeea65037601cf8496d519c506b6d082662d438c26a1bfe653eaf6edcb117ccf8767975c37ab0238ca4c77574e2706f9b238a15ad4d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CDS.exe

MD5
424bf196deaeb4ddcafb78e137fa560a

SHA1
007738e9486c904a3115daa6e8ba2ee692af58c8

SHA256
0963cef2f742a31b2604fe975f4471ae6a76641490fe60805db744fef9bdd5d2

SHA512
a9be6dd5b2ed84baea34e0f1b1e8f5388ce3662c5dcb6a80c2d175be95f9598312837420c07b52cdfaa9e94bcffd8c7a2b9db2b551dfac171bce4b92f466e797

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CDS.exe

MD5
424bf196deaeb4ddcafb78e137fa560a

SHA1
007738e9486c904a3115daa6e8ba2ee692af58c8

SHA256
0963cef2f742a31b2604fe975f4471ae6a76641490fe60805db744fef9bdd5d2

SHA512
a9be6dd5b2ed84baea34e0f1b1e8f5388ce3662c5dcb6a80c2d175be95f9598312837420c07b52cdfaa9e94bcffd8c7a2b9db2b551dfac171bce4b92f466e797

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c.dat

MD5
2603651c31712cd66e76ca0f4c9501a9

SHA1
87cebfa0012cc4921c422012c90240148e43cfc8

SHA256
237c21113107da961ea74c6ed94622f37f3d6914d93c1581f3498e6a70ad1139

SHA512
6ec898583c9f11dc3be728e91f4dd73fc85c7b4a7c0f5a2ed5c174aeb8eacee35cf305aaad305a14c27dd0fe5338cec793e032a5af66a462ecdfd2534c1365e4

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\crypted.exe

MD5
c24a867d37fa97e89dadb45c3e4c6354

SHA1
fbef4040731505a2cdc5033443264af3a63a8b6c

SHA256
4a0910362b77d913eac9e9e9c5318e0c00d00b41b949edbb3d1b9d618ada8762

SHA512
bac83149ecf57c263ef71a940e271bc8e7f06c24a8513dec903c83b81798f002a265743d6ef0e1da85ca249bd441e715b5df9012b1202cc6a63d06f3740973f8

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\crypted.exe

MD5
c24a867d37fa97e89dadb45c3e4c6354

SHA1
fbef4040731505a2cdc5033443264af3a63a8b6c

SHA256
4a0910362b77d913eac9e9e9c5318e0c00d00b41b949edbb3d1b9d618ada8762

SHA512
bac83149ecf57c263ef71a940e271bc8e7f06c24a8513dec903c83b81798f002a265743d6ef0e1da85ca249bd441e715b5df9012b1202cc6a63d06f3740973f8

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fs.settings

MD5
68934a3e9455fa72420237eb05902327

SHA1
7cb6efb98ba5972a9b5090dc2e517fe14d12cb04

SHA256
fcbcf165908dd18a9e49f7ff27810176db8e9f63b4352213741664245224f8aa

SHA512
719fa67eef49c4b2a2b83f0c62bddd88c106aaadb7e21ae057c8802b700e36f81fe3f144812d8b05d66dc663d908b25645e153262cf6d457aa34e684af9e328d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lua5.1.dll

MD5
c3256800dce47c14acc83ccca4c3e2ac

SHA1
9d126818c66991dbc3813a65eddb88bbcf77f30a

SHA256
f26f4f66022acc96d0319c09814ebeda60f4ab96b63b6262045dc786dc7c5866

SHA512
6865a98ad8a6bd02d1ba35a28b36b6306af393f5e9ad767cd6da027bb021f7399d629423f510c44436ac3e4603b6c606493edf8b14d21fabf3eab16d37bd0d25

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lua5.1.dll

MD5
c3256800dce47c14acc83ccca4c3e2ac

SHA1
9d126818c66991dbc3813a65eddb88bbcf77f30a

SHA256
f26f4f66022acc96d0319c09814ebeda60f4ab96b63b6262045dc786dc7c5866

SHA512
6865a98ad8a6bd02d1ba35a28b36b6306af393f5e9ad767cd6da027bb021f7399d629423f510c44436ac3e4603b6c606493edf8b14d21fabf3eab16d37bd0d25

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\svchost .exe

MD5
a2759f9c14db433576e4e7d6d6577c9c

SHA1
724922f4428a6c5084a4792441d232bd137dce03

SHA256
7ff2eacfe2858e07955bed332fce208a07c7f42392f624cf5c09ea47d239f7f2

SHA512
62bb8132a95b14085194d982ff84aae11d5c5ca27c10f8477f6838477f316af78a2c091387298ea07915402047f077e56f741c79e9168ebd1ad1eb4b903ca633

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\svchost .exe

MD5
a2759f9c14db433576e4e7d6d6577c9c

SHA1
724922f4428a6c5084a4792441d232bd137dce03

SHA256
7ff2eacfe2858e07955bed332fce208a07c7f42392f624cf5c09ea47d239f7f2

SHA512
62bb8132a95b14085194d982ff84aae11d5c5ca27c10f8477f6838477f316af78a2c091387298ea07915402047f077e56f741c79e9168ebd1ad1eb4b903ca633

Download Submit