cycbot | 1671eb7f8d0c0ba52b3dc8247e1b4f6fe21cc279eff0c671fd399c7a69460ff9

General

Target

1671eb7f8d0c0ba52b3dc8247e1b4f6fe21cc279eff0c671fd399c7a69460ff9N.exe
Size

187KB
MD5

be440b21677ceac9aa978b2a6a773fa0
SHA1

d089628b91e710d9248caedd8460140498bb8346
SHA256

1671eb7f8d0c0ba52b3dc8247e1b4f6fe21cc279eff0c671fd399c7a69460ff9
SHA512

54b02e9d216b1e974496665429de3d6e5e4b61254fa81bbbf9ac59b53f4bd04576a97cb94ebc7da86b37e9a7ec27065b43bb3581e5b2f572717074d6fcd5d8cd
SSDEEP

3072:e16lfu9h227EdUDG1EGJAA2boHMLaIWP9bw6QwtzoK1xqKEnqlHhn:e1Gu9pP6AA2bVLaIWlRhTqKEWHh

Score

10^/10

cycbot backdoor discovery rat upx

Malware Config

Signatures

Cycbot
Cycbot is a backdoor and trojan written in C++..
backdoor rat cycbot
Cycbot family
cycbot

Detects Cycbot payload 5 IoCs

Cycbot is a backdoor and trojan written in C++.

resource	yara_rule
behavioral1/memory/2896-10-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2432-11-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2432-12-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/1396-113-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2432-292-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot

UPX packed file 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2432-2-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2896-10-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2896-8-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2432-11-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2432-12-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/1396-113-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2432-292-0x0000000000400000-0x0000000000455000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 1 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	1671eb7f8d0c0ba52b3dc8247e1b4f6fe21cc279eff0c671fd399c7a69460ff9N.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2432 wrote to memory of 2896	2432	1671eb7f8d0c0ba52b3dc8247e1b4f6fe21cc279eff0c671fd399c7a69460ff9N.exe	30
PID 2432 wrote to memory of 2896	2432	1671eb7f8d0c0ba52b3dc8247e1b4f6fe21cc279eff0c671fd399c7a69460ff9N.exe	30
PID 2432 wrote to memory of 2896	2432	1671eb7f8d0c0ba52b3dc8247e1b4f6fe21cc279eff0c671fd399c7a69460ff9N.exe	30
PID 2432 wrote to memory of 2896	2432	1671eb7f8d0c0ba52b3dc8247e1b4f6fe21cc279eff0c671fd399c7a69460ff9N.exe	30
PID 2432 wrote to memory of 1396	2432	1671eb7f8d0c0ba52b3dc8247e1b4f6fe21cc279eff0c671fd399c7a69460ff9N.exe	31
PID 2432 wrote to memory of 1396	2432	1671eb7f8d0c0ba52b3dc8247e1b4f6fe21cc279eff0c671fd399c7a69460ff9N.exe	31
PID 2432 wrote to memory of 1396	2432	1671eb7f8d0c0ba52b3dc8247e1b4f6fe21cc279eff0c671fd399c7a69460ff9N.exe	31
PID 2432 wrote to memory of 1396	2432	1671eb7f8d0c0ba52b3dc8247e1b4f6fe21cc279eff0c671fd399c7a69460ff9N.exe	31

C:\Users\Admin\AppData\Local\Temp\1671eb7f8d0c0ba52b3dc8247e1b4f6fe21cc279eff0c671fd399c7a69460ff9N.exe
"C:\Users\Admin\AppData\Local\Temp\1671eb7f8d0c0ba52b3dc8247e1b4f6fe21cc279eff0c671fd399c7a69460ff9N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2432
- C:\Users\Admin\AppData\Local\Temp\1671eb7f8d0c0ba52b3dc8247e1b4f6fe21cc279eff0c671fd399c7a69460ff9N.exe
  C:\Users\Admin\AppData\Local\Temp\1671eb7f8d0c0ba52b3dc8247e1b4f6fe21cc279eff0c671fd399c7a69460ff9N.exe startC:\Program Files (x86)\LP\7E6A\747.exe%C:\Program Files (x86)\LP\7E6A
  2⤵
  PID:2896
- C:\Users\Admin\AppData\Local\Temp\1671eb7f8d0c0ba52b3dc8247e1b4f6fe21cc279eff0c671fd399c7a69460ff9N.exe
  C:\Users\Admin\AppData\Local\Temp\1671eb7f8d0c0ba52b3dc8247e1b4f6fe21cc279eff0c671fd399c7a69460ff9N.exe startC:\Users\Admin\AppData\Roaming\AD424\D117E.exe%C:\Users\Admin\AppData\Roaming\AD424
  2⤵
  PID:1396

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\AD424\4326.D42

Filesize
300B

MD5
9c1060ea9e399f7eacf805d3aa6c66f7

SHA1
0838dd56456275cf329686d9285cd5006f91b0a5

SHA256
34f9bcb997597f97d6d36aee585d59adc5f48f299e5e31a7913f6a1186999753

SHA512
e78f04994290367e69215803191da495d0d73707f2da4e97cb9788421dfa5c92ac956cfcb0290a4dabe00ec80e21e0caf6ac0f702e91d2b4b53b9df08b5524e1

Download Submit
C:\Users\Admin\AppData\Roaming\AD424\4326.D42

Filesize
696B

MD5
e4c22e474e5521681e238e48e8c634b2

SHA1
f1cb5e5f354f083f321fe41f8b94603d19f04ab0

SHA256
6d098a4270f8930d77dea942f52123faf38cb030cef0382953e66903d120b366

SHA512
4c8680bbd88320f157e774159ca88a431645e1caf753cf0651adbee3dbd264b9c2dc60eb46eb4a00f47ad734ff2159156dba5699a3517bcabd734f01ee1ea421

Download Submit
C:\Users\Admin\AppData\Roaming\AD424\4326.D42

Filesize
1KB

MD5
b111e61b5b003e96afddad49f381c2c0

SHA1
763717eef79fd2181c9036d8f81738e627334dcf

SHA256
8f1054680d2dd4a432817a13568fc2b74efcce25a1ca8c56af07ff36f7a963bd

SHA512
91ce269b451895d0da38b7d0ec15810d1f8b07a14c614c661cb6212f26268a0a14dca1187ac8612c225dd329f678faab766830fa71f9543adcfdd0e847415e35

Download Submit
memory/1396-113-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2432-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2432-2-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2432-11-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2432-12-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2432-292-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2896-7-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2896-10-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2896-8-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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