44b87df9f68f5a3084c7d80c1c7492ca5209e816a4e83fdbd6e2fcb6f1ff936f

General

Target

Cryp_RAT.rtf
Size

662KB
MD5

1fc2941b70df9dd6cdf4cb82af740fe9
SHA1

e5d18e3487ca2d5037215c0e0ebfaf7ccae1c655
SHA256

44b87df9f68f5a3084c7d80c1c7492ca5209e816a4e83fdbd6e2fcb6f1ff936f
SHA512

d5da156e406093bfd398d78a36962360ed6918d6b96e641843e7eeddbd6fe41c0a1681bf0a4fe9e31be22d7b1e16267e62abafc9c14d1dea223e72f3ef810081
SSDEEP

12288:6NtcndUa0XzmFe4lT+F4qZDGefM4qeF4C:6Oua0XzmFFI+7Z4VT

Score

4^/10

Malware Config

Signatures

Subvert Trust Controls: Mark-of-the-Web Bypass 1 TTPs 1 IoCs

When files are downloaded from the Internet, they are tagged with a hidden NTFS Alternate Data Stream (ADS) named Zone.Identifier with a specific value known as the MOTW.

defense_evasion

SIP and Trust Provider Hijacking

T1553.003

Processes:

WINWORD.EXE

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\{BB0159E8-D17A-40D7-B1F9-7DEE3F612074}\Client.exe:Zone.Identifier	WINWORD.EXE

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE

NTFS ADS 1 IoCs

Processes:

WINWORD.EXE

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\{BB0159E8-D17A-40D7-B1F9-7DEE3F612074}\Client.exe:Zone.Identifier	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

2820 WINWORD.EXE
2820 WINWORD.EXE
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

WINWORD.EXE

pid process

2820 WINWORD.EXE
2820 WINWORD.EXE
2820 WINWORD.EXE
2820 WINWORD.EXE
2820 WINWORD.EXE
2820 WINWORD.EXE
2820 WINWORD.EXE

pid	process
2820	WINWORD.EXE
2820	WINWORD.EXE

pid	process
2820	WINWORD.EXE
2820	WINWORD.EXE
2820	WINWORD.EXE
2820	WINWORD.EXE
2820	WINWORD.EXE
2820	WINWORD.EXE
2820	WINWORD.EXE

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\Cryp_RAT.rtf" /o ""
1⤵
- Subvert Trust Controls: Mark-of-the-Web Bypass
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2820

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Subvert Trust Controls

1

T1553

SIP and Trust Provider Hijacking

1

T1553.003

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Content.MSO\5958D594.wmf

Filesize
316B

MD5
95bb648d6eb9265eeaf0f889731b1e23

SHA1
631d60a024835f4e53ceb9d0a987ce52fe517df4

SHA256
9639441a9d36e7e4fda980961b75eeb334540b8cfbcee71eb3cd857e0a838e0c

SHA512
184414ea68092124290049282147070a86172833359404ee26199a36083d720e291d55bb85e4ae1d02504ce841efbc646760e7cc5af4088a253aed7b2665c420

Download Submit
C:\Users\Admin\AppData\Local\Temp\TCDED44.tmp\sist02.xsl

Filesize
245KB

MD5
f883b260a8d67082ea895c14bf56dd56

SHA1
7954565c1f243d46ad3b1e2f1baf3281451fc14b

SHA256
ef4835db41a485b56c2ef0ff7094bc2350460573a686182bc45fd6613480e353

SHA512
d95924a499f32d9b4d9a7d298502181f9e9048c21dbe0496fa3c3279b263d6f7d594b859111a99b1a53bd248ee69b867d7b1768c42e1e40934e0b990f0ce051e

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms

Filesize
1KB

MD5
7cf26e639f1ebe2c1740de28e7d704b6

SHA1
8be4608cdfb854149c52949a08cb9a0a77f36b14

SHA256
e9c91286fe9ad20b36c257d6552b660fe3f17903585c62d69899764c6df1e098

SHA512
b485ceeea0a8a95ae648b9649a7ef6a956c1866f6d0126b8483e27b509379e45f079a55c2ac21c9a24e35c9534d27594612d99c37ddeb3eb068b1b6733e0055b

Download Submit
memory/2820-6-0x00007FFE29050000-0x00007FFE29245000-memory.dmp

Filesize
2.0MB

Download
memory/2820-14-0x00007FFE29050000-0x00007FFE29245000-memory.dmp

Filesize
2.0MB

Download
memory/2820-5-0x00007FFDE90D0000-0x00007FFDE90E0000-memory.dmp

Filesize
64KB

Download
memory/2820-7-0x00007FFE29050000-0x00007FFE29245000-memory.dmp

Filesize
2.0MB

Download
memory/2820-9-0x00007FFE29050000-0x00007FFE29245000-memory.dmp

Filesize
2.0MB

Download
memory/2820-10-0x00007FFE29050000-0x00007FFE29245000-memory.dmp

Filesize
2.0MB

Download
memory/2820-12-0x00007FFE29050000-0x00007FFE29245000-memory.dmp

Filesize
2.0MB

Download
memory/2820-11-0x00007FFE29050000-0x00007FFE29245000-memory.dmp

Filesize
2.0MB

Download
memory/2820-8-0x00007FFDE90D0000-0x00007FFDE90E0000-memory.dmp

Filesize
64KB

Download
memory/2820-0-0x00007FFDE90D0000-0x00007FFDE90E0000-memory.dmp

Filesize
64KB

Download
memory/2820-13-0x00007FFDE6E30000-0x00007FFDE6E40000-memory.dmp

Filesize
64KB

Download
memory/2820-4-0x00007FFE29050000-0x00007FFE29245000-memory.dmp

Filesize
2.0MB

Download
memory/2820-15-0x00007FFE29050000-0x00007FFE29245000-memory.dmp

Filesize
2.0MB

Download
memory/2820-18-0x00007FFE29050000-0x00007FFE29245000-memory.dmp

Filesize
2.0MB

Download
memory/2820-17-0x00007FFDE6E30000-0x00007FFDE6E40000-memory.dmp

Filesize
64KB

Download
memory/2820-16-0x00007FFE29050000-0x00007FFE29245000-memory.dmp

Filesize
2.0MB

Download
memory/2820-19-0x00007FFE29050000-0x00007FFE29245000-memory.dmp

Filesize
2.0MB

Download
memory/2820-2-0x00007FFDE90D0000-0x00007FFDE90E0000-memory.dmp

Filesize
64KB

Download
memory/2820-43-0x00007FFE29050000-0x00007FFE29245000-memory.dmp

Filesize
2.0MB

Download
memory/2820-44-0x00007FFE290ED000-0x00007FFE290EE000-memory.dmp

Filesize
4KB

Download
memory/2820-45-0x00007FFE29050000-0x00007FFE29245000-memory.dmp

Filesize
2.0MB

Download
memory/2820-3-0x00007FFDE90D0000-0x00007FFDE90E0000-memory.dmp

Filesize
64KB

Download
memory/2820-51-0x00007FFE29050000-0x00007FFE29245000-memory.dmp

Filesize
2.0MB

Download
memory/2820-1-0x00007FFE290ED000-0x00007FFE290EE000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads