warzonerat | 6a6e1823ba802e69315de8833ea7038289a51cb28f330fb359dc821d4923408c

Analysis

max time kernel
91s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
05-07-2022 06:53

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General

Target

Medgulf PO.exe
Size

21KB
MD5

fc08864032d1bc58016be58bb1257da8
SHA1

fb561bebaac8d5a3f2686071c8c0666af183e188
SHA256

6a6e1823ba802e69315de8833ea7038289a51cb28f330fb359dc821d4923408c
SHA512

4cb9c9863e8f716f4f987271b39f5ead42f47ad9a39f00a39e87621bb996fffdbf30f78b7e1a915d1344aab126b643f94c873b4f2d01adf2b3c9920ee07dfcec

Score

10^/10

warzonerat collection evasion infostealer persistence rat spyware stealer upx

Malware Config

Signatures

WarzoneRat, AveMaria
WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.
rat infostealer warzonerat

Warzone RAT Payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4832-137-0x0000000000400000-0x0000000000559000-memory.dmp	warzonerat
behavioral2/memory/4832-139-0x0000000000400000-0x0000000000559000-memory.dmp	warzonerat
behavioral2/memory/4832-140-0x0000000000400000-0x0000000000559000-memory.dmp	warzonerat
behavioral2/memory/4832-150-0x0000000000400000-0x0000000000559000-memory.dmp	warzonerat

Executes dropped EXE 1 IoCs

Processes:

95.exe

pid process

3968 95.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

2196 netsh.exe

pid	process
3968	95.exe

pid	process
2196	netsh.exe

Sets DLL path for service in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Medgulf PO.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\TermService\Parameters\ServiceDll = "%ProgramFiles%\\Microsoft DN1\\sqlmap.dll"	Medgulf PO.exe

UPX packed file 4 IoCs

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

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\95.exe	upx
C:\Users\Admin\AppData\Local\Temp\95.exe	upx
behavioral2/memory/3968-146-0x0000000000D00000-0x0000000000D2D000-memory.dmp	upx
behavioral2/memory/3968-151-0x0000000000D00000-0x0000000000D2D000-memory.dmp	upx

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:

Medgulf PO.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	Medgulf PO.exe

Drops startup file 2 IoCs

Processes:

Medgulf PO.exe

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

Loads dropped DLL 7 IoCs

Processes:

svchost.exeMedgulf PO.exe

pid process

1264 svchost.exe
4832 Medgulf PO.exe
4832 Medgulf PO.exe
4832 Medgulf PO.exe
4832 Medgulf PO.exe
4832 Medgulf PO.exe
4832 Medgulf PO.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

pid	process
1264	svchost.exe
4832	Medgulf PO.exe
4832	Medgulf PO.exe
4832	Medgulf PO.exe
4832	Medgulf PO.exe
4832	Medgulf PO.exe
4832	Medgulf PO.exe

Accesses Microsoft Outlook profiles 1 TTPs 2 IoCs

collection

Email Collection

T1114

Processes:

Medgulf PO.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Medgulf PO.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Medgulf PO.exe

Modifies WinLogon 2 TTPs 4 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

Medgulf PO.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\SpecialAccounts\UserList\HBwnjAn = "0"	Medgulf PO.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\AllowMultipleTSSessions = "1"	Medgulf PO.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\SpecialAccounts\UserList	Medgulf PO.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\SpecialAccounts	Medgulf PO.exe

Drops file in System32 directory 1 IoCs

Processes:

Medgulf PO.exe

description ioc process

File created C:\Windows\System32\rfxvmt.dll Medgulf PO.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

Medgulf PO.exe

description pid process target process

PID 2732 set thread context of 4832 2732 Medgulf PO.exe Medgulf PO.exe

description	ioc	process
File created	C:\Windows\System32\rfxvmt.dll	Medgulf PO.exe

description	pid	process	target process
PID 2732 set thread context of 4832	2732	Medgulf PO.exe	Medgulf PO.exe

Drops file in Program Files directory 2 IoCs

Processes:

Medgulf PO.exe

description	ioc	process
File created	C:\Program Files\Microsoft DN1\sqlmap.dll	Medgulf PO.exe
File created	C:\Program Files\Microsoft DN1\rdpwrap.ini	Medgulf PO.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 49 IoCs

Processes:

Medgulf PO.exesvchost.exe

pid	process
2732	Medgulf PO.exe
2732	Medgulf PO.exe
2732	Medgulf PO.exe
2732	Medgulf PO.exe
2732	Medgulf PO.exe
2732	Medgulf PO.exe
2732	Medgulf PO.exe
2732	Medgulf PO.exe
2732	Medgulf PO.exe
2732	Medgulf PO.exe
2732	Medgulf PO.exe
2732	Medgulf PO.exe
2732	Medgulf PO.exe
2732	Medgulf PO.exe
2732	Medgulf PO.exe
2732	Medgulf PO.exe
2732	Medgulf PO.exe
2732	Medgulf PO.exe
2732	Medgulf PO.exe
2732	Medgulf PO.exe
2732	Medgulf PO.exe
2732	Medgulf PO.exe
2732	Medgulf PO.exe
2732	Medgulf PO.exe
2732	Medgulf PO.exe
2732	Medgulf PO.exe
2732	Medgulf PO.exe
2732	Medgulf PO.exe
2732	Medgulf PO.exe
2732	Medgulf PO.exe
2732	Medgulf PO.exe
2732	Medgulf PO.exe
2732	Medgulf PO.exe
2732	Medgulf PO.exe
2732	Medgulf PO.exe
2732	Medgulf PO.exe
2732	Medgulf PO.exe
2732	Medgulf PO.exe
2732	Medgulf PO.exe
2732	Medgulf PO.exe
2732	Medgulf PO.exe
2732	Medgulf PO.exe
2732	Medgulf PO.exe
2732	Medgulf PO.exe
2732	Medgulf PO.exe
1264	svchost.exe
1264	svchost.exe
1264	svchost.exe
1264	svchost.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

pid process

648
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Medgulf PO.exeMedgulf PO.exesvchost.exe

description pid process

Token: SeDebugPrivilege 2732 Medgulf PO.exe
Token: SeDebugPrivilege 4832 Medgulf PO.exe
Token: SeAuditPrivilege 1264 svchost.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Medgulf PO.exe

pid process

4832 Medgulf PO.exe

pid	process
648

description	pid	process
Token: SeDebugPrivilege	2732	Medgulf PO.exe
Token: SeDebugPrivilege	4832	Medgulf PO.exe
Token: SeAuditPrivilege	1264	svchost.exe

pid	process
4832	Medgulf PO.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

Medgulf PO.exeMedgulf PO.exe95.exe

description	pid	process	target process
PID 2732 wrote to memory of 4832	2732	Medgulf PO.exe	Medgulf PO.exe
PID 2732 wrote to memory of 4832	2732	Medgulf PO.exe	Medgulf PO.exe
PID 2732 wrote to memory of 4832	2732	Medgulf PO.exe	Medgulf PO.exe
PID 2732 wrote to memory of 4832	2732	Medgulf PO.exe	Medgulf PO.exe
PID 2732 wrote to memory of 4832	2732	Medgulf PO.exe	Medgulf PO.exe
PID 2732 wrote to memory of 4832	2732	Medgulf PO.exe	Medgulf PO.exe
PID 2732 wrote to memory of 4832	2732	Medgulf PO.exe	Medgulf PO.exe
PID 2732 wrote to memory of 4832	2732	Medgulf PO.exe	Medgulf PO.exe
PID 2732 wrote to memory of 4832	2732	Medgulf PO.exe	Medgulf PO.exe
PID 2732 wrote to memory of 4832	2732	Medgulf PO.exe	Medgulf PO.exe
PID 2732 wrote to memory of 4832	2732	Medgulf PO.exe	Medgulf PO.exe
PID 4832 wrote to memory of 3968	4832	Medgulf PO.exe	95.exe
PID 4832 wrote to memory of 3968	4832	Medgulf PO.exe	95.exe
PID 4832 wrote to memory of 3968	4832	Medgulf PO.exe	95.exe
PID 3968 wrote to memory of 2196	3968	95.exe	netsh.exe
PID 3968 wrote to memory of 2196	3968	95.exe	netsh.exe
PID 3968 wrote to memory of 2196	3968	95.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

Medgulf PO.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Medgulf PO.exe

outlook_win_path 1 IoCs

Processes:

Medgulf PO.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Medgulf PO.exe

C:\Users\Admin\AppData\Local\Temp\Medgulf PO.exe
"C:\Users\Admin\AppData\Local\Temp\Medgulf PO.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2732

C:\Users\Admin\AppData\Local\Temp\Medgulf PO.exe
"C:\Users\Admin\AppData\Local\Temp\Medgulf PO.exe"
2⤵
- Sets DLL path for service in the registry
- Checks computer location settings
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Modifies WinLogon
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:4832

C:\Users\Admin\AppData\Local\Temp\95.exe
"C:\Users\Admin\AppData\Local\Temp\95.exe"
3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3968

C:\Windows\SysWOW64\netsh.exe
netsh advfirewall firewall add rule name="3389" dir=in action=allow protocol=TCP localport=3389
4⤵
- Modifies Windows Firewall
PID:2196

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -s TermService
1⤵
PID:2056

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -s TermService
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1264

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Program Files\Microsoft DN1\sqlmap.dll
Filesize
114KB

MD5
461ade40b800ae80a40985594e1ac236

SHA1
b3892eef846c044a2b0785d54a432b3e93a968c8

SHA256
798af20db39280f90a1d35f2ac2c1d62124d1f5218a2a0fa29d87a13340bd3e4

SHA512
421f9060c4b61fa6f4074508602a2639209032fd5df5bfc702a159e3bad5479684ccb3f6e02f3e38fb8db53839cf3f41fe58a3acad6ec1199a48dc333b2d8a26

Download Submit
C:\Users\Admin\AppData\Local\Temp\95.exe
Filesize
70KB

MD5
ca96229390a0e6a53e8f2125f2c01114

SHA1
a54b1081cf58724f8cb292b4d165dfee2fb1c9f6

SHA256
0df3d05900e7b530f6c2a281d43c47839f2cf2a5d386553c8dc46e463a635a2c

SHA512
e93445bce6c8b6f51890309577a0ea9369860d2e6bf8cc0ca708879a77bb176d27c5f559bbdb7deb4b719aee0fc48d9068c293559f7629baf4ec3515898102ef

Download Submit
C:\Users\Admin\AppData\Local\Temp\95.exe
Filesize
70KB

MD5
ca96229390a0e6a53e8f2125f2c01114

SHA1
a54b1081cf58724f8cb292b4d165dfee2fb1c9f6

SHA256
0df3d05900e7b530f6c2a281d43c47839f2cf2a5d386553c8dc46e463a635a2c

SHA512
e93445bce6c8b6f51890309577a0ea9369860d2e6bf8cc0ca708879a77bb176d27c5f559bbdb7deb4b719aee0fc48d9068c293559f7629baf4ec3515898102ef

Download Submit
C:\Users\Admin\AppData\Local\Temp\freebl3.dll
Filesize
326KB

MD5
ef12ab9d0b231b8f898067b2114b1bc0

SHA1
6d90f27b2105945f9bb77039e8b892070a5f9442

SHA256
2b00fc4f541ac10c94e3556ff28e30a801811c36422546a546a445aca3f410f7

SHA512
2aa62bfba556ad8f042942dd25aa071ff6677c257904377c1ec956fd9e862abcbf379e0cfd8c630c303a32ece75618c24e3eef58bddb705c427985b944689193

Download Submit
C:\Users\Admin\AppData\Local\Temp\mozglue.dll
Filesize
133KB

MD5
75f8cc548cabf0cc800c25047e4d3124

SHA1
602676768f9faecd35b48c38a0632781dfbde10c

SHA256
fb419a60305f17359e2ac0510233ee80e845885eee60607715c67dd88e501ef0

SHA512
ed831c9c769aef3be253c52542cf032afa0a8fa5fe25ca704db65ee6883c608220df7102ac2b99ee9c2e599a0f5db99fd86894a4b169e68440eb1b0d0012672f

Download Submit
C:\Users\Admin\AppData\Local\Temp\msvcp140.dll
Filesize
429KB

MD5
109f0f02fd37c84bfc7508d4227d7ed5

SHA1
ef7420141bb15ac334d3964082361a460bfdb975

SHA256
334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

SHA512
46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

Download Submit
C:\Users\Admin\AppData\Local\Temp\nss3.dll
Filesize
1.2MB

MD5
d7858e8449004e21b01d468e9fd04b82

SHA1
9524352071ede21c167e7e4f106e9526dc23ef4e

SHA256
78758bf7f3b3b5e3477e38354acd32d787bc1286c8bd9b873471b9c195e638db

SHA512
1e2c981e6c0ca36c60c6e9cae9548b866d5c524df837095b30d618d9c322def7134c20de820105400dd1b58076b66d90274f67773ac6ba914f611b419babb440

Download Submit
C:\Users\Admin\AppData\Local\Temp\softokn3.dll
Filesize
141KB

MD5
471c983513694ac3002590345f2be0da

SHA1
6612b9af4ff6830fa9b7d4193078434ef72f775b

SHA256
bb3ff746471116c6ad0339fa0522aa2a44a787e33a29c7b27649a054ecd4d00f

SHA512
a9b0fb923bc3b567e933de10b141a3e9213640e3d790b4c4d753cf220d55593ae8026102909969ba6bfc22da3b2fcd01e30a9f5a74bd14a0fdec9beaf0fb1410

Download Submit
C:\Users\Admin\AppData\Local\Temp\vcruntime140.dll
Filesize
81KB

MD5
7587bf9cb4147022cd5681b015183046

SHA1
f2106306a8f6f0da5afb7fc765cfa0757ad5a628

SHA256
c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

SHA512
0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

Download Submit
\??\c:\program files\microsoft dn1\rdpwrap.ini
Filesize
268KB

MD5
4b5b6c7313629163170b3cc53214cb5c

SHA1
dbe4acffe7045b8a8e8fbd43ecdaf477463eb93c

SHA256
a2c21e88da0e0c6bed95789a19efd14aba62662a45648a66d6e89067cb2020dd

SHA512
acf740538fb2d27c208b7aface9662266b8f566632f96b7abf5082d5b659d29bc76a7cbaf93d45a1a4c499bc258d96265086fbfd2210466a29b69699bc4cad73

Download Submit
\??\c:\program files\microsoft dn1\sqlmap.dll
Filesize
114KB

MD5
461ade40b800ae80a40985594e1ac236

SHA1
b3892eef846c044a2b0785d54a432b3e93a968c8

SHA256
798af20db39280f90a1d35f2ac2c1d62124d1f5218a2a0fa29d87a13340bd3e4

SHA512
421f9060c4b61fa6f4074508602a2639209032fd5df5bfc702a159e3bad5479684ccb3f6e02f3e38fb8db53839cf3f41fe58a3acad6ec1199a48dc333b2d8a26

Download Submit
memory/2196-145-0x0000000000000000-mapping.dmp

Download
memory/2732-135-0x0000000007AC0000-0x0000000007B26000-memory.dmp

Filesize
408KB

Download
memory/2732-130-0x0000000000070000-0x000000000007C000-memory.dmp

Filesize
48KB

Download
memory/2732-134-0x00000000079B0000-0x0000000007A4C000-memory.dmp

Filesize
624KB

Download
memory/2732-133-0x0000000004B40000-0x0000000004B4A000-memory.dmp

Filesize
40KB

Download
memory/2732-132-0x0000000004A80000-0x0000000004B12000-memory.dmp

Filesize
584KB

Download
memory/2732-131-0x0000000004F90000-0x0000000005534000-memory.dmp

Filesize
5.6MB

Download
memory/3968-142-0x0000000000000000-mapping.dmp

Download
memory/3968-146-0x0000000000D00000-0x0000000000D2D000-memory.dmp

Filesize
180KB

Download
memory/3968-151-0x0000000000D00000-0x0000000000D2D000-memory.dmp

Filesize
180KB

Download
memory/4832-137-0x0000000000400000-0x0000000000559000-memory.dmp

Filesize
1.3MB

Download
memory/4832-152-0x000000000B800000-0x000000000B884000-memory.dmp

Filesize
528KB

Download
memory/4832-150-0x0000000000400000-0x0000000000559000-memory.dmp

Filesize
1.3MB

Download
memory/4832-141-0x000000000AF70000-0x000000000B110000-memory.dmp

Filesize
1.6MB

Download
memory/4832-140-0x0000000000400000-0x0000000000559000-memory.dmp

Filesize
1.3MB

Download
memory/4832-139-0x0000000000400000-0x0000000000559000-memory.dmp

Filesize
1.3MB

Download
memory/4832-136-0x0000000000000000-mapping.dmp

Download
memory/4832-159-0x000000000B800000-0x000000000B884000-memory.dmp

Filesize
528KB

Download