sectoprat | 906623a415b6de1164c7798d3743a5fc06ca0ccc58ca76c8b35ef0a674991608

Analysis

max time kernel
257s
max time network
278s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
01-02-2024 04:55

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General

Target

906623a415b6de1164c7798d3743a5fc06ca0ccc58ca76c8b35ef0a674991608.exe
Size

3.7MB
MD5

eca96e3eb1fe44265acc31373a1dadb9
SHA1

3221c9a9d13cc4b0ae24b7d2cc807f18feb3ea4f
SHA256

906623a415b6de1164c7798d3743a5fc06ca0ccc58ca76c8b35ef0a674991608
SHA512

ce2829831d5e5bc8783dc1d871957184f48504bd2aa741456dab29dbdac72b1ad1c110964232655cae67992283dadfc96f46417bacb700b1bd55ba4b6494a6a1
SSDEEP

98304:lbPH543INzdx/9yiXGBwmcFBcBL+PRao/Szic:lb/5cUxllGBgFamYF

Score

10^/10

sectoprat rat trojan

Malware Config

Signatures

Detects Arechclient2 RAT 5 IoCs

Arechclient2.

Processes:

resource	yara_rule
behavioral1/memory/2616-34-0x0000000000400000-0x00000000004D4000-memory.dmp	MALWARE_Win_Arechclient
behavioral1/memory/2616-32-0x0000000000400000-0x00000000004D4000-memory.dmp	MALWARE_Win_Arechclient
behavioral1/memory/2616-30-0x0000000000400000-0x00000000004D4000-memory.dmp	MALWARE_Win_Arechclient
behavioral1/memory/2616-26-0x0000000000400000-0x00000000004D4000-memory.dmp	MALWARE_Win_Arechclient
behavioral1/memory/2616-24-0x0000000000400000-0x00000000004D4000-memory.dmp	MALWARE_Win_Arechclient

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

SectopRAT payload 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2616-34-0x0000000000400000-0x00000000004D4000-memory.dmp	family_sectoprat
behavioral1/memory/2616-32-0x0000000000400000-0x00000000004D4000-memory.dmp	family_sectoprat
behavioral1/memory/2616-30-0x0000000000400000-0x00000000004D4000-memory.dmp	family_sectoprat
behavioral1/memory/2616-26-0x0000000000400000-0x00000000004D4000-memory.dmp	family_sectoprat
behavioral1/memory/2616-24-0x0000000000400000-0x00000000004D4000-memory.dmp	family_sectoprat

Loads dropped DLL 1 IoCs

Processes:

906623a415b6de1164c7798d3743a5fc06ca0ccc58ca76c8b35ef0a674991608.exe

pid process

2336 906623a415b6de1164c7798d3743a5fc06ca0ccc58ca76c8b35ef0a674991608.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service
T1102

Processes:

flow ioc

5 pastebin.com
6 pastebin.com

pid	process
2336	906623a415b6de1164c7798d3743a5fc06ca0ccc58ca76c8b35ef0a674991608.exe

flow	ioc
5	pastebin.com
6	pastebin.com

Suspicious use of SetThreadContext 1 IoCs

Processes:

906623a415b6de1164c7798d3743a5fc06ca0ccc58ca76c8b35ef0a674991608.exe

description	pid	process	target process
PID 2336 set thread context of 2616	2336	906623a415b6de1164c7798d3743a5fc06ca0ccc58ca76c8b35ef0a674991608.exe	InstallUtil.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2896 2336 WerFault.exe 906623a415b6de1164c7798d3743a5fc06ca0ccc58ca76c8b35ef0a674991608.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

InstallUtil.exe

description pid process

Token: SeDebugPrivilege 2616 InstallUtil.exe

pid	pid_target	process	target process
2896	2336	WerFault.exe	906623a415b6de1164c7798d3743a5fc06ca0ccc58ca76c8b35ef0a674991608.exe

description	pid	process
Token: SeDebugPrivilege	2616	InstallUtil.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

906623a415b6de1164c7798d3743a5fc06ca0ccc58ca76c8b35ef0a674991608.exe

description	pid	process	target process
PID 2336 wrote to memory of 2616	2336	906623a415b6de1164c7798d3743a5fc06ca0ccc58ca76c8b35ef0a674991608.exe	InstallUtil.exe
PID 2336 wrote to memory of 2616	2336	906623a415b6de1164c7798d3743a5fc06ca0ccc58ca76c8b35ef0a674991608.exe	InstallUtil.exe
PID 2336 wrote to memory of 2616	2336	906623a415b6de1164c7798d3743a5fc06ca0ccc58ca76c8b35ef0a674991608.exe	InstallUtil.exe
PID 2336 wrote to memory of 2616	2336	906623a415b6de1164c7798d3743a5fc06ca0ccc58ca76c8b35ef0a674991608.exe	InstallUtil.exe
PID 2336 wrote to memory of 2616	2336	906623a415b6de1164c7798d3743a5fc06ca0ccc58ca76c8b35ef0a674991608.exe	InstallUtil.exe
PID 2336 wrote to memory of 2616	2336	906623a415b6de1164c7798d3743a5fc06ca0ccc58ca76c8b35ef0a674991608.exe	InstallUtil.exe
PID 2336 wrote to memory of 2616	2336	906623a415b6de1164c7798d3743a5fc06ca0ccc58ca76c8b35ef0a674991608.exe	InstallUtil.exe
PID 2336 wrote to memory of 2616	2336	906623a415b6de1164c7798d3743a5fc06ca0ccc58ca76c8b35ef0a674991608.exe	InstallUtil.exe
PID 2336 wrote to memory of 2616	2336	906623a415b6de1164c7798d3743a5fc06ca0ccc58ca76c8b35ef0a674991608.exe	InstallUtil.exe
PID 2336 wrote to memory of 2616	2336	906623a415b6de1164c7798d3743a5fc06ca0ccc58ca76c8b35ef0a674991608.exe	InstallUtil.exe
PID 2336 wrote to memory of 2616	2336	906623a415b6de1164c7798d3743a5fc06ca0ccc58ca76c8b35ef0a674991608.exe	InstallUtil.exe
PID 2336 wrote to memory of 2616	2336	906623a415b6de1164c7798d3743a5fc06ca0ccc58ca76c8b35ef0a674991608.exe	InstallUtil.exe
PID 2336 wrote to memory of 2896	2336	906623a415b6de1164c7798d3743a5fc06ca0ccc58ca76c8b35ef0a674991608.exe	WerFault.exe
PID 2336 wrote to memory of 2896	2336	906623a415b6de1164c7798d3743a5fc06ca0ccc58ca76c8b35ef0a674991608.exe	WerFault.exe
PID 2336 wrote to memory of 2896	2336	906623a415b6de1164c7798d3743a5fc06ca0ccc58ca76c8b35ef0a674991608.exe	WerFault.exe
PID 2336 wrote to memory of 2896	2336	906623a415b6de1164c7798d3743a5fc06ca0ccc58ca76c8b35ef0a674991608.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\906623a415b6de1164c7798d3743a5fc06ca0ccc58ca76c8b35ef0a674991608.exe
"C:\Users\Admin\AppData\Local\Temp\906623a415b6de1164c7798d3743a5fc06ca0ccc58ca76c8b35ef0a674991608.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2336
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2616
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2336 -s 728
  2⤵
  - Program crash
  PID:2896

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarE2D5.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\Protect544cd51a.dll

Filesize
229KB

MD5
ec06e103d2030015046aa85b564b6014

SHA1
475efaec83cfb52fbc8fe3917eee0bcf328a646b

SHA256
414114953db3879451172f54479119ad43842fe0cc3a61fd43ca0d15444f1796

SHA512
c202294289f5330861b3b38e400d266437f5a363318a889e2387f231eb18323a24d99fef4010ea3f438d4a37e4bc489390f7e2ea5275275fc2875f11ca008e18

Download Submit
memory/2336-19-0x0000000004D90000-0x0000000004DD0000-memory.dmp

Filesize
256KB

Download
memory/2336-38-0x0000000004D90000-0x0000000004DD0000-memory.dmp

Filesize
256KB

Download
memory/2336-5-0x00000000069E0000-0x0000000006B72000-memory.dmp

Filesize
1.6MB

Download
memory/2336-3-0x0000000004D90000-0x0000000004DD0000-memory.dmp

Filesize
256KB

Download
memory/2336-13-0x0000000004D90000-0x0000000004DD0000-memory.dmp

Filesize
256KB

Download
memory/2336-12-0x0000000004D90000-0x0000000004DD0000-memory.dmp

Filesize
256KB

Download
memory/2336-16-0x0000000004D90000-0x0000000004DD0000-memory.dmp

Filesize
256KB

Download
memory/2336-18-0x0000000004D90000-0x0000000004DD0000-memory.dmp

Filesize
256KB

Download
memory/2336-17-0x0000000006CF0000-0x0000000006DF0000-memory.dmp

Filesize
1024KB

Download
memory/2336-0-0x00000000003A0000-0x0000000000764000-memory.dmp

Filesize
3.8MB

Download
memory/2336-15-0x0000000004D90000-0x0000000004DD0000-memory.dmp

Filesize
256KB

Download
memory/2336-46-0x0000000004D90000-0x0000000004DD0000-memory.dmp

Filesize
256KB

Download
memory/2336-45-0x0000000004D90000-0x0000000004DD0000-memory.dmp

Filesize
256KB

Download
memory/2336-44-0x0000000006CF0000-0x0000000006DF0000-memory.dmp

Filesize
1024KB

Download
memory/2336-43-0x0000000004D90000-0x0000000004DD0000-memory.dmp

Filesize
256KB

Download
memory/2336-42-0x0000000004D90000-0x0000000004DD0000-memory.dmp

Filesize
256KB

Download
memory/2336-4-0x0000000005770000-0x00000000059DA000-memory.dmp

Filesize
2.4MB

Download
memory/2336-1-0x0000000074830000-0x0000000074F1E000-memory.dmp

Filesize
6.9MB

Download
memory/2336-41-0x0000000004D90000-0x0000000004DD0000-memory.dmp

Filesize
256KB

Download
memory/2336-2-0x0000000074830000-0x0000000074F1E000-memory.dmp

Filesize
6.9MB

Download
memory/2336-40-0x0000000004D90000-0x0000000004DD0000-memory.dmp

Filesize
256KB

Download
memory/2336-11-0x0000000004D90000-0x0000000004DD0000-memory.dmp

Filesize
256KB

Download
memory/2336-10-0x0000000002100000-0x0000000002110000-memory.dmp

Filesize
64KB

Download
memory/2336-36-0x0000000004D90000-0x0000000004DD0000-memory.dmp

Filesize
256KB

Download
memory/2336-37-0x0000000004D90000-0x0000000004DD0000-memory.dmp

Filesize
256KB

Download
memory/2336-14-0x0000000004D90000-0x0000000004DD0000-memory.dmp

Filesize
256KB

Download
memory/2336-39-0x0000000004D90000-0x0000000004DD0000-memory.dmp

Filesize
256KB

Download
memory/2616-22-0x0000000000400000-0x00000000004D4000-memory.dmp

Filesize
848KB

Download
memory/2616-24-0x0000000000400000-0x00000000004D4000-memory.dmp

Filesize
848KB

Download
memory/2616-26-0x0000000000400000-0x00000000004D4000-memory.dmp

Filesize
848KB

Download
memory/2616-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2616-30-0x0000000000400000-0x00000000004D4000-memory.dmp

Filesize
848KB

Download
memory/2616-32-0x0000000000400000-0x00000000004D4000-memory.dmp

Filesize
848KB

Download
memory/2616-35-0x0000000074830000-0x0000000074F1E000-memory.dmp

Filesize
6.9MB

Download
memory/2616-47-0x0000000074830000-0x0000000074F1E000-memory.dmp

Filesize
6.9MB

Download
memory/2616-48-0x0000000004A60000-0x0000000004AA0000-memory.dmp

Filesize
256KB

Download
memory/2616-34-0x0000000000400000-0x00000000004D4000-memory.dmp

Filesize
848KB

Download
memory/2616-20-0x0000000000400000-0x00000000004D4000-memory.dmp

Filesize
848KB

Download