sectoprat | fe92a0c3ac848d23c2dc607b571e1ea804ef9e5a4fbd81412509929afe94e59c

General

Target

fdb5b2a0041b0939552ecd31e382e28529313c8bc8a656eb7de1cef9fbd6eee9.exe
Size

7.3MB
MD5

5c95d5493dda877b228a6485a6d40d9c
SHA1

185482dabc06787f6ce14c6cd46c17372a1b77ae
SHA256

fdb5b2a0041b0939552ecd31e382e28529313c8bc8a656eb7de1cef9fbd6eee9
SHA512

05334c39be051eb33c0ad4787cd8d56a1386115bf809f2ec44088f719ab5bf3caf8e7a4539cb5d10b60bc5452b98d01656332b7e5c608038aeae73bd88b16e24
SSDEEP

196608:0qw9h20Qu0lFIutULgNr8cQ6P/qrFfDG2HD14LDsYu67ReBR:w2FIutULgS7rlDvDSI6cz

Score

10^/10

sectoprat evasion rat themida trojan

Malware Config

Signatures

SectopRAT
SectopRAT is a remote access trojan first seen in November 2019.
trojan rat sectoprat

SectopRAT payload 2 IoCs

Processes:

resource	yara_rule
behavioral7/memory/1792-67-0x00000000003C0000-0x0000000000C1C000-memory.dmp	family_sectoprat
behavioral7/memory/1792-68-0x00000000003C0000-0x0000000000C1C000-memory.dmp	family_sectoprat

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

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

r.exe3.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ r.exe
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 3.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	r.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	3.exe

Checks BIOS information in registry 2 TTPs 4 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

3.exer.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	3.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	3.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	r.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	r.exe

Executes dropped EXE 4 IoCs

Processes:

4.exe3.exesmlndz.exer.exe

pid process

2516 4.exe
2548 3.exe
2136 smlndz.exe
1792 r.exe
Loads dropped DLL 9 IoCs

Processes:

4.exe3.exesmlndz.exe

pid process

2516 4.exe
2516 4.exe
2516 4.exe
2516 4.exe
2548 3.exe
2136 smlndz.exe
2136 smlndz.exe
2136 smlndz.exe
2136 smlndz.exe

pid	process
2516	4.exe
2548	3.exe
2136	smlndz.exe
1792	r.exe

pid	process
2516	4.exe
2516	4.exe
2516	4.exe
2516	4.exe
2548	3.exe
2136	smlndz.exe
2136	smlndz.exe
2136	smlndz.exe
2136	smlndz.exe

Themida packer 6 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\3.exe	themida
behavioral7/memory/2548-34-0x0000000001210000-0x0000000001B18000-memory.dmp	themida
behavioral7/memory/2548-35-0x0000000001210000-0x0000000001B18000-memory.dmp	themida
\Users\Admin\AppData\Local\Temp\r.exe	themida
behavioral7/memory/1792-67-0x00000000003C0000-0x0000000000C1C000-memory.dmp	themida
behavioral7/memory/1792-68-0x00000000003C0000-0x0000000000C1C000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

3.exer.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	3.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	r.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

3.exer.exe

pid process

2548 3.exe
1792 r.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

3.exer.exe

description pid process

Token: SeDebugPrivilege 2548 3.exe
Token: SeDebugPrivilege 1792 r.exe

pid	process
2548	3.exe
1792	r.exe

description	pid	process
Token: SeDebugPrivilege	2548	3.exe
Token: SeDebugPrivilege	1792	r.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

fdb5b2a0041b0939552ecd31e382e28529313c8bc8a656eb7de1cef9fbd6eee9.exe4.exe3.exesmlndz.exe

description	pid	process	target process
PID 1732 wrote to memory of 2516	1732	fdb5b2a0041b0939552ecd31e382e28529313c8bc8a656eb7de1cef9fbd6eee9.exe	4.exe
PID 1732 wrote to memory of 2516	1732	fdb5b2a0041b0939552ecd31e382e28529313c8bc8a656eb7de1cef9fbd6eee9.exe	4.exe
PID 1732 wrote to memory of 2516	1732	fdb5b2a0041b0939552ecd31e382e28529313c8bc8a656eb7de1cef9fbd6eee9.exe	4.exe
PID 1732 wrote to memory of 2516	1732	fdb5b2a0041b0939552ecd31e382e28529313c8bc8a656eb7de1cef9fbd6eee9.exe	4.exe
PID 2516 wrote to memory of 2548	2516	4.exe	3.exe
PID 2516 wrote to memory of 2548	2516	4.exe	3.exe
PID 2516 wrote to memory of 2548	2516	4.exe	3.exe
PID 2516 wrote to memory of 2548	2516	4.exe	3.exe
PID 2548 wrote to memory of 2136	2548	3.exe	smlndz.exe
PID 2548 wrote to memory of 2136	2548	3.exe	smlndz.exe
PID 2548 wrote to memory of 2136	2548	3.exe	smlndz.exe
PID 2548 wrote to memory of 2136	2548	3.exe	smlndz.exe
PID 2136 wrote to memory of 1792	2136	smlndz.exe	r.exe
PID 2136 wrote to memory of 1792	2136	smlndz.exe	r.exe
PID 2136 wrote to memory of 1792	2136	smlndz.exe	r.exe
PID 2136 wrote to memory of 1792	2136	smlndz.exe	r.exe

C:\Users\Admin\AppData\Local\Temp\fdb5b2a0041b0939552ecd31e382e28529313c8bc8a656eb7de1cef9fbd6eee9.exe
"C:\Users\Admin\AppData\Local\Temp\fdb5b2a0041b0939552ecd31e382e28529313c8bc8a656eb7de1cef9fbd6eee9.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1732
- C:\Users\Admin\AppData\Local\Temp\4.exe
  "C:\Users\Admin\AppData\Local\Temp\4.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2516
- - C:\Users\Admin\AppData\Local\Temp\3.exe
    "C:\Users\Admin\AppData\Local\Temp\3.exe"
    3⤵
    - Identifies VirtualBox via ACPI registry values (likely anti-VM)
    - Checks BIOS information in registry
    - Executes dropped EXE
    - Loads dropped DLL
    - Checks whether UAC is enabled
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2548
  - - C:\Users\Admin\AppData\Local\Temp\smlndz.exe
      "C:\Users\Admin\AppData\Local\Temp\smlndz.exe"
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Suspicious use of WriteProcessMemory
      PID:2136
    - - C:\Users\Admin\AppData\Local\Temp\r.exe
        
        "C:\Users\Admin\AppData\Local\Temp\r.exe"
        5⤵
        Identifies VirtualBox via ACPI registry values (likely anti-VM)
        Checks BIOS information in registry
        Executes dropped EXE
        Checks whether UAC is enabled
        Suspicious use of NtSetInformationThreadHideFromDebugger
        Suspicious use of AdjustPrivilegeToken
        
        PID:1792

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\4.exe

Filesize
3.4MB

MD5
d7e09993b21575a255d4ceaf706c205a

SHA1
01b68051ae35e1e12d8827664acdcf2cb9ed3766

SHA256
939f981d4a948e41999d8e1073418edb0c2afc47797ad87e0ecdf7124df7bde0

SHA512
37621af16254f15f273b0e36dff3927c4f40ef594e150c03f0b693443d16a7d6de8bed259a290b8ad9e8fe3d754865b06cdcba8b900722d1eb46487a56ef9d72

Download Submit
C:\Users\Admin\AppData\Local\Temp\smlndz.exe

Filesize
3.5MB

MD5
823f263a3d860454ef8092594ffb7ec0

SHA1
707e4b0e1340a72d200bae4cee0bd2c22b47e1e7

SHA256
e9e391ef56461e970601392db1d9adc8958f1dbc7fb9328d58cfc0601d3c7a3b

SHA512
ccebdb1af101a5a05be7a92797add599bfc565df0849aa404fc1bd5156e02828b7df6713d8ee66144150006e33cc87a9977f827e9e789d09f251925b12ff7a52

Download Submit
\Users\Admin\AppData\Local\Temp\3.exe

Filesize
3.1MB

MD5
215f503316c98618dc6db327477fd26f

SHA1
136df5466ff49e2aadb1587e4c94d56175a0085e

SHA256
dbbde79c77cc64c6f42ca0f69e33561b70377626e7db42774679f9d602078cd1

SHA512
7c6a5ee768c8ae75ad9112526fa8de35c214b6de48435097599ab73b4ca072372ebaa8e59da2c734e0e4e2f0fac7187f1ad2a02306625051c7d9147e6d14da22

Download Submit
\Users\Admin\AppData\Local\Temp\r.exe

Filesize
3.2MB

MD5
cf1a74b1e40e5c34df68add35da92129

SHA1
c8faf639d73049f35de385f2c698f6809c1eaa92

SHA256
3196cc360075b773b4ff9a17ee1a53c6ce32476af563a910126fdfc02702f4c0

SHA512
83c3b4c16c2a53f1048c37e90c6ad5025b4e143975622bb0388b32af04b54544aeb3e2415ad7cccc2381471002732deec1f8b96d778efe6315953c495a0ba634

Download Submit
memory/1732-12-0x0000000003330000-0x0000000003331000-memory.dmp

Filesize
4KB

Download
memory/1792-67-0x00000000003C0000-0x0000000000C1C000-memory.dmp

Filesize
8.4MB

Download
memory/1792-63-0x00000000003C0000-0x0000000000C1C000-memory.dmp

Filesize
8.4MB

Download
memory/1792-68-0x00000000003C0000-0x0000000000C1C000-memory.dmp

Filesize
8.4MB

Download
memory/1792-74-0x00000000003C0000-0x0000000000C1C000-memory.dmp

Filesize
8.4MB

Download
memory/2136-61-0x00000000040C0000-0x000000000491C000-memory.dmp

Filesize
8.4MB

Download
memory/2136-73-0x00000000040C0000-0x000000000491C000-memory.dmp

Filesize
8.4MB

Download
memory/2516-29-0x0000000003D40000-0x0000000004648000-memory.dmp

Filesize
9.0MB

Download
memory/2548-35-0x0000000001210000-0x0000000001B18000-memory.dmp

Filesize
9.0MB

Download
memory/2548-38-0x0000000001210000-0x0000000001B18000-memory.dmp

Filesize
9.0MB

Download
memory/2548-34-0x0000000001210000-0x0000000001B18000-memory.dmp

Filesize
9.0MB

Download
memory/2548-30-0x0000000001210000-0x0000000001B18000-memory.dmp

Filesize
9.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads