745f38f0dd92b5c696a25a2772a46296c12d2535283ae8237abb4b6dbd976da4

General

Target

SOLarVA.exe
Size

4.7MB
MD5

ddc63bd70b3637c33136be3ad66ed1e1
SHA1

28e5f36693efdd05fc65cef804d4c865c339e939
SHA256

745f38f0dd92b5c696a25a2772a46296c12d2535283ae8237abb4b6dbd976da4
SHA512

0e1cb64749540593042f0cdd7775ac470e61325300a7de8612a9a868fd407940182fb1163cfb6993f8cd3332fca7dcfd8b039dbab5f7a87c0a5354d4c1aa87d0
SSDEEP

98304:wghHWE2yxi5CwaMu/tGvA7MO9P/NK3+x8oncGGT:w8WEflwFu/tGYgOZ/NoO8C

Score

9^/10

discovery evasion themida trojan

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	SOLarVA.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	SOLarVA.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	SOLarVA.exe

Themida packer 1 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/2412-27-0x0000000001020000-0x0000000001B2A000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	SOLarVA.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2412	SOLarVA.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SOLarVA.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 26 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{85E6F061-5A65-11EF-8419-5E235017FF15} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Internet Explorer\MINIE	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2332	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2332	iexplore.exe
2332	iexplore.exe
2796	IEXPLORE.EXE
2796	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 2332	2412	SOLarVA.exe	30
PID 2412 wrote to memory of 2332	2412	SOLarVA.exe	30
PID 2412 wrote to memory of 2332	2412	SOLarVA.exe	30
PID 2412 wrote to memory of 2332	2412	SOLarVA.exe	30
PID 2332 wrote to memory of 2796	2332	iexplore.exe	31
PID 2332 wrote to memory of 2796	2332	iexplore.exe	31
PID 2332 wrote to memory of 2796	2332	iexplore.exe	31
PID 2332 wrote to memory of 2796	2332	iexplore.exe	31

C:\Users\Admin\AppData\Local\Temp\SOLarVA.exe
"C:\Users\Admin\AppData\Local\Temp\SOLarVA.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2412
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" http://go.microsoft.com/fwlink/?prd=11324&pver=4.5&sbp=AppLaunch2&plcid=0x409&o1=SHIM_NOVERSION_FOUND&version=(null)&processName=SOLarVA.exe&platform=0009&osver=5&isServer=0&shimver=4.0.30319.0
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2332
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2332 CREDAT:275457 /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:2796

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2412-0-0x0000000001020000-0x0000000001B2A000-memory.dmp

Filesize
11.0MB

Download
memory/2412-1-0x0000000076881000-0x0000000076882000-memory.dmp

Filesize
4KB

Download
memory/2412-6-0x0000000076870000-0x0000000076980000-memory.dmp

Filesize
1.1MB

Download
memory/2412-12-0x0000000076870000-0x0000000076980000-memory.dmp

Filesize
1.1MB

Download
memory/2412-11-0x0000000076870000-0x0000000076980000-memory.dmp

Filesize
1.1MB

Download
memory/2412-10-0x0000000076870000-0x0000000076980000-memory.dmp

Filesize
1.1MB

Download
memory/2412-9-0x0000000076870000-0x0000000076980000-memory.dmp

Filesize
1.1MB

Download
memory/2412-8-0x0000000076870000-0x0000000076980000-memory.dmp

Filesize
1.1MB

Download
memory/2412-7-0x0000000076870000-0x0000000076980000-memory.dmp

Filesize
1.1MB

Download
memory/2412-5-0x0000000076870000-0x0000000076980000-memory.dmp

Filesize
1.1MB

Download
memory/2412-4-0x0000000076870000-0x0000000076980000-memory.dmp

Filesize
1.1MB

Download
memory/2412-3-0x0000000076870000-0x0000000076980000-memory.dmp

Filesize
1.1MB

Download
memory/2412-2-0x0000000076870000-0x0000000076980000-memory.dmp

Filesize
1.1MB

Download
memory/2412-18-0x0000000076870000-0x0000000076980000-memory.dmp

Filesize
1.1MB

Download
memory/2412-17-0x0000000076870000-0x0000000076980000-memory.dmp

Filesize
1.1MB

Download
memory/2412-16-0x0000000076870000-0x0000000076980000-memory.dmp

Filesize
1.1MB

Download
memory/2412-15-0x0000000076870000-0x0000000076980000-memory.dmp

Filesize
1.1MB

Download
memory/2412-14-0x0000000076870000-0x0000000076980000-memory.dmp

Filesize
1.1MB

Download
memory/2412-13-0x0000000076870000-0x0000000076980000-memory.dmp

Filesize
1.1MB

Download
memory/2412-22-0x0000000076870000-0x0000000076980000-memory.dmp

Filesize
1.1MB

Download
memory/2412-24-0x0000000076870000-0x0000000076980000-memory.dmp

Filesize
1.1MB

Download
memory/2412-23-0x0000000076870000-0x0000000076980000-memory.dmp

Filesize
1.1MB

Download
memory/2412-26-0x0000000076870000-0x0000000076980000-memory.dmp

Filesize
1.1MB

Download
memory/2412-27-0x0000000001020000-0x0000000001B2A000-memory.dmp

Filesize
11.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads