09feb423dd354f1e64a957b130e47f38d07d6be37e71c43a17742f32fa73ff6a

Analysis

max time kernel
61s
max time network
123s
platform
windows10_x64
resource
win10v20201028
submitted
26/03/2021, 17:32

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General

Target
aInjector Win64_x32.exe
Size 4.2MB
Sample210326-4eazsm9776
SHA256 09feb423dd354f1e64a957b130e47f38d07d6be37e71c43a17742f32fa73ff6a
MD5 6c5743eef9f4f2675d369c5b3cca4cbb
SHA1 54f24c219daf5517722a43644f69762f77922ea0
SHA512 0936aedbb307068035ad1c04fc61136cc48d993745090a760204a35ae5f5ecff91755abfed5c2e09cb804527fc72fd74937d674972739f98e58f920fe267ac80
MD5 SHA1 SHA512

Score

10^/10

evasion spyware stealer themida trojan

Malware Config

Signatures

Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 3752 created 1908	3752	WerFault.exe	68

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

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

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	aInjector Win64_x32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	aInjector Win64_x32.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

themida 2 IoCs

Detects Themida, Advanced Windows software protection system.

themida

resource	yara_rule
behavioral2/memory/1908-4-0x00000000010C0000-0x00000000010C1000-memory.dmp	themida
behavioral2/memory/3752-25-0x0000000004F80000-0x0000000004F81000-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	aInjector Win64_x32.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1908	aInjector Win64_x32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3752	1908	WerFault.exe	68

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	aInjector Win64_x32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	aInjector Win64_x32.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
1908	aInjector Win64_x32.exe
1908	aInjector Win64_x32.exe
1908	aInjector Win64_x32.exe
1908	aInjector Win64_x32.exe
1908	aInjector Win64_x32.exe
1908	aInjector Win64_x32.exe
1908	aInjector Win64_x32.exe
1908	aInjector Win64_x32.exe
1908	aInjector Win64_x32.exe
1908	aInjector Win64_x32.exe
1908	aInjector Win64_x32.exe
1908	aInjector Win64_x32.exe
1908	aInjector Win64_x32.exe
1908	aInjector Win64_x32.exe
1908	aInjector Win64_x32.exe
1908	aInjector Win64_x32.exe
1908	aInjector Win64_x32.exe
1908	aInjector Win64_x32.exe
3752	WerFault.exe
3752	WerFault.exe
3752	WerFault.exe
3752	WerFault.exe
3752	WerFault.exe
3752	WerFault.exe
3752	WerFault.exe
3752	WerFault.exe
3752	WerFault.exe
3752	WerFault.exe
3752	WerFault.exe
3752	WerFault.exe
3752	WerFault.exe
3752	WerFault.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1908	aInjector Win64_x32.exe
Token: SeRestorePrivilege	3752	WerFault.exe
Token: SeBackupPrivilege	3752	WerFault.exe
Token: SeDebugPrivilege	3752	WerFault.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1908 wrote to memory of 2076	1908	aInjector Win64_x32.exe	80
PID 1908 wrote to memory of 2076	1908	aInjector Win64_x32.exe	80
PID 1908 wrote to memory of 2076	1908	aInjector Win64_x32.exe	80
PID 2076 wrote to memory of 2320	2076	cmd.exe	82
PID 2076 wrote to memory of 2320	2076	cmd.exe	82
PID 2076 wrote to memory of 2320	2076	cmd.exe	82
PID 2076 wrote to memory of 1632	2076	cmd.exe	83
PID 2076 wrote to memory of 1632	2076	cmd.exe	83
PID 2076 wrote to memory of 1632	2076	cmd.exe	83
PID 2076 wrote to memory of 1488	2076	cmd.exe	84
PID 2076 wrote to memory of 1488	2076	cmd.exe	84
PID 2076 wrote to memory of 1488	2076	cmd.exe	84
PID 1908 wrote to memory of 2780	1908	aInjector Win64_x32.exe	85
PID 1908 wrote to memory of 2780	1908	aInjector Win64_x32.exe	85
PID 1908 wrote to memory of 2780	1908	aInjector Win64_x32.exe	85
PID 2780 wrote to memory of 3404	2780	cmd.exe	87
PID 2780 wrote to memory of 3404	2780	cmd.exe	87
PID 2780 wrote to memory of 3404	2780	cmd.exe	87
PID 2780 wrote to memory of 3824	2780	cmd.exe	88
PID 2780 wrote to memory of 3824	2780	cmd.exe	88
PID 2780 wrote to memory of 3824	2780	cmd.exe	88

C:\Users\Admin\AppData\Local\Temp\aInjector Win64_x32.exe
"C:\Users\Admin\AppData\Local\Temp\aInjector Win64_x32.exe"
1⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1908
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2076
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    PID:2320
- - C:\Windows\SysWOW64\netsh.exe
    netsh wlan show profile
    3⤵
    PID:1632
- - C:\Windows\SysWOW64\findstr.exe
    findstr All
    3⤵
    PID:1488
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2780
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    PID:3404
- - C:\Windows\SysWOW64\netsh.exe
    netsh wlan show networks mode=bssid
    3⤵
    PID:3824
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1908 -s 114392
  2⤵
  - Suspicious use of NtCreateProcessExOtherParentProcess
  - Program crash
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3752

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1908-8-0x0000000000D80000-0x0000000000D81000-memory.dmp

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memory/1908-12-0x00000000099F0000-0x00000000099F1000-memory.dmp

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memory/1908-21-0x0000000005690000-0x0000000005691000-memory.dmp

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memory/1908-9-0x0000000005580000-0x0000000005581000-memory.dmp

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memory/1908-10-0x0000000007A50000-0x0000000007A51000-memory.dmp

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memory/1908-11-0x0000000008630000-0x0000000008631000-memory.dmp

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memory/1908-20-0x00000000056F0000-0x00000000056F1000-memory.dmp

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memory/1908-7-0x0000000077754000-0x0000000077755000-memory.dmp

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memory/1908-3-0x0000000073920000-0x000000007400E000-memory.dmp

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memory/1908-6-0x0000000005590000-0x00000000055DE000-memory.dmp

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memory/1908-4-0x00000000010C0000-0x00000000010C1000-memory.dmp

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memory/1908-23-0x0000000005583000-0x0000000005585000-memory.dmp

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memory/1908-22-0x00000000056C0000-0x00000000056C1000-memory.dmp

Download

memory/3752-24-0x0000000004F80000-0x0000000004F81000-memory.dmp

Download

memory/3752-25-0x0000000004F80000-0x0000000004F81000-memory.dmp

Download