warzonerat | 6be2eb67682c01f45fff604dd26b0444506d6a92a9405786ca89d2b82f09f5bc

Analysis

max time kernel
145s
max time network
149s
platform
windows7_x64
resource
win7v20201028
submitted
19/11/2020, 06:37

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General

Target
purchase order.exe
Size 1.2MB
Sample201119-j92melevb6
SHA256 6be2eb67682c01f45fff604dd26b0444506d6a92a9405786ca89d2b82f09f5bc
MD5 f0dd6a565ec9a3eec95178b478c7ebb1
SHA1 7155f5a0ea9e0c358edcc4dba237360eb3166f53
SHA512 49e20fcaee906bbef70654642467333fe73bcca385e300b2de2637a2351651a9e0cd6576a0b10ef0b53d83d85e0abe21c2daa5c7bf3a552d8d3af7015af8b82d
MD5 SHA1 SHA512

Score

10^/10

warzonerat infostealer persistence rat

Malware Config

Extracted

Family

warzonerat

185.140.53.233:6767

Signatures

Modifies WinLogon for persistence 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "\"C:\\Users\\Admin\\AppData\\Roaming\\po7jTFqSeF9kJ45h\\NbtwQTVW1bsC.exe\",explorer.exe"	images.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "\"C:\\Users\\Admin\\AppData\\Roaming\\po7jTFqSeF9kJ45h\\KrRLxcSetNqV.exe\",explorer.exe"	purchase order.exe

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

Warzone RAT Payload 5 IoCs

rat

resource	yara_rule
behavioral1/memory/1636-1-0x0000000000400000-0x0000000000454000-memory.dmp	warzonerat
behavioral1/memory/1636-2-0x0000000000405738-mapping.dmp	warzonerat
behavioral1/memory/1636-3-0x0000000000400000-0x0000000000454000-memory.dmp	warzonerat
behavioral1/memory/624-13-0x0000000000405738-mapping.dmp	warzonerat
behavioral1/memory/624-15-0x0000000000400000-0x0000000000454000-memory.dmp	warzonerat

Executes dropped EXE 2 IoCs

pid	Process
1212	images.exe
624	images.exe

Loads dropped DLL 1 IoCs

pid	Process
1636	purchase order.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Images = "C:\\ProgramData\\images.exe"	purchase order.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1080 set thread context of 1636	1080	purchase order.exe	30
PID 1212 set thread context of 624	1212	images.exe	33

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 6 IoCs

pid	Process
1080	purchase order.exe
1080	purchase order.exe
1080	purchase order.exe
1212	images.exe
1212	images.exe
1212	images.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1684	AcroRd32.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1080	purchase order.exe
Token: SeDebugPrivilege	1080	purchase order.exe
Token: SeDebugPrivilege	1212	images.exe
Token: SeDebugPrivilege	1212	images.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1684	AcroRd32.exe
1684	AcroRd32.exe
1684	AcroRd32.exe
1684	AcroRd32.exe
1684	AcroRd32.exe

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 1080 wrote to memory of 1684	1080	purchase order.exe	29
PID 1080 wrote to memory of 1684	1080	purchase order.exe	29
PID 1080 wrote to memory of 1684	1080	purchase order.exe	29
PID 1080 wrote to memory of 1684	1080	purchase order.exe	29
PID 1080 wrote to memory of 1636	1080	purchase order.exe	30
PID 1080 wrote to memory of 1636	1080	purchase order.exe	30
PID 1080 wrote to memory of 1636	1080	purchase order.exe	30
PID 1080 wrote to memory of 1636	1080	purchase order.exe	30
PID 1080 wrote to memory of 1636	1080	purchase order.exe	30
PID 1080 wrote to memory of 1636	1080	purchase order.exe	30
PID 1080 wrote to memory of 1636	1080	purchase order.exe	30
PID 1080 wrote to memory of 1636	1080	purchase order.exe	30
PID 1080 wrote to memory of 1636	1080	purchase order.exe	30
PID 1080 wrote to memory of 1636	1080	purchase order.exe	30
PID 1080 wrote to memory of 1636	1080	purchase order.exe	30
PID 1080 wrote to memory of 1636	1080	purchase order.exe	30
PID 1636 wrote to memory of 1212	1636	purchase order.exe	31
PID 1636 wrote to memory of 1212	1636	purchase order.exe	31
PID 1636 wrote to memory of 1212	1636	purchase order.exe	31
PID 1636 wrote to memory of 1212	1636	purchase order.exe	31
PID 1212 wrote to memory of 968	1212	images.exe	32
PID 1212 wrote to memory of 968	1212	images.exe	32
PID 1212 wrote to memory of 968	1212	images.exe	32
PID 1212 wrote to memory of 968	1212	images.exe	32
PID 1212 wrote to memory of 624	1212	images.exe	33
PID 1212 wrote to memory of 624	1212	images.exe	33
PID 1212 wrote to memory of 624	1212	images.exe	33
PID 1212 wrote to memory of 624	1212	images.exe	33
PID 1212 wrote to memory of 624	1212	images.exe	33
PID 1212 wrote to memory of 624	1212	images.exe	33
PID 1212 wrote to memory of 624	1212	images.exe	33
PID 1212 wrote to memory of 624	1212	images.exe	33
PID 1212 wrote to memory of 624	1212	images.exe	33
PID 1212 wrote to memory of 624	1212	images.exe	33
PID 1212 wrote to memory of 624	1212	images.exe	33
PID 1212 wrote to memory of 624	1212	images.exe	33
PID 624 wrote to memory of 548	624	images.exe	34
PID 624 wrote to memory of 548	624	images.exe	34
PID 624 wrote to memory of 548	624	images.exe	34
PID 624 wrote to memory of 548	624	images.exe	34
PID 624 wrote to memory of 548	624	images.exe	34
PID 624 wrote to memory of 548	624	images.exe	34

C:\Users\Admin\AppData\Local\Temp\purchase order.exe
"C:\Users\Admin\AppData\Local\Temp\purchase order.exe"
1⤵
- Modifies WinLogon for persistence
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1080
- C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
  "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\gYclCbcgsHdzqJUQ.pdf"
  2⤵
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  PID:1684
- C:\Users\Admin\AppData\Local\Temp\purchase order.exe
  "C:\Users\Admin\AppData\Local\Temp\purchase order.exe"
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1636
- - C:\ProgramData\images.exe
    "C:\ProgramData\images.exe"
    3⤵
    - Modifies WinLogon for persistence
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1212
  - - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
      "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\DzO8CaE2s7vtoAyC.pdf"
      4⤵
      PID:968
  - - C:\ProgramData\images.exe
      "C:\ProgramData\images.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:624
    - - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\System32\cmd.exe"
        5⤵
        
        PID:548

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/548-19-0x0000000000260000-0x0000000000261000-memory.dmp

Download

memory/548-18-0x0000000000270000-0x0000000000271000-memory.dmp

Download

memory/624-15-0x0000000000400000-0x0000000000454000-memory.dmp

Download

memory/1636-1-0x0000000000400000-0x0000000000454000-memory.dmp

Download

memory/1636-3-0x0000000000400000-0x0000000000454000-memory.dmp

Download