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
behavioral2/memory/4568-10-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/2604-11-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/2604-12-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral2/memory/3276-105-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/2604-268-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2604-2-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/4568-8-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/4568-10-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/2604-11-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/2604-12-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/3276-105-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/2604-268-0x0000000000400000-0x0000000000455000-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 6 IoCs

description	pid	Process	procid_target
PID 2604 wrote to memory of 4568	2604	1671eb7f8d0c0ba52b3dc8247e1b4f6fe21cc279eff0c671fd399c7a69460ff9N.exe	82
PID 2604 wrote to memory of 4568	2604	1671eb7f8d0c0ba52b3dc8247e1b4f6fe21cc279eff0c671fd399c7a69460ff9N.exe	82
PID 2604 wrote to memory of 4568	2604	1671eb7f8d0c0ba52b3dc8247e1b4f6fe21cc279eff0c671fd399c7a69460ff9N.exe	82
PID 2604 wrote to memory of 3276	2604	1671eb7f8d0c0ba52b3dc8247e1b4f6fe21cc279eff0c671fd399c7a69460ff9N.exe	87
PID 2604 wrote to memory of 3276	2604	1671eb7f8d0c0ba52b3dc8247e1b4f6fe21cc279eff0c671fd399c7a69460ff9N.exe	87
PID 2604 wrote to memory of 3276	2604	1671eb7f8d0c0ba52b3dc8247e1b4f6fe21cc279eff0c671fd399c7a69460ff9N.exe	87

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:2604
- C:\Users\Admin\AppData\Local\Temp\1671eb7f8d0c0ba52b3dc8247e1b4f6fe21cc279eff0c671fd399c7a69460ff9N.exe
  C:\Users\Admin\AppData\Local\Temp\1671eb7f8d0c0ba52b3dc8247e1b4f6fe21cc279eff0c671fd399c7a69460ff9N.exe startC:\Program Files (x86)\LP\49FC\9EA.exe%C:\Program Files (x86)\LP\49FC
  2⤵
  PID:4568
- C:\Users\Admin\AppData\Local\Temp\1671eb7f8d0c0ba52b3dc8247e1b4f6fe21cc279eff0c671fd399c7a69460ff9N.exe
  C:\Users\Admin\AppData\Local\Temp\1671eb7f8d0c0ba52b3dc8247e1b4f6fe21cc279eff0c671fd399c7a69460ff9N.exe startC:\Users\Admin\AppData\Roaming\C8571\07D49.exe%C:\Users\Admin\AppData\Roaming\C8571
  2⤵
  PID:3276

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\C8571\1AD6.857

Filesize
696B

MD5
72357400efa693952e376b4747cedfe1

SHA1
255b7e0e572a61584a2619b535543306d75aa8f4

SHA256
44d1797666017041fc1172ad4e46aa284e34fb0363c660517771ad2545e82208

SHA512
01be83b29f59334b8c23d397e3c9e64dbbdb9d0531b6ad462ec972e1e5de768571d4362b7d94955b2e2d94ef7033662d3e5d004f96a4d272e377d2863a194132

Download Submit
C:\Users\Admin\AppData\Roaming\C8571\1AD6.857

Filesize
300B

MD5
0b1cf1fd653b5326d0ea6ce8ba54b219

SHA1
c07ca48c39f7f085fb60cec420cd5be4dd253909

SHA256
b9904ac6303294cc80a33dc65ce27c8d25739f6c5e3813c41d2ec3ced42283ad

SHA512
465b69cf44bbb2e45979cd57898707ec7f12c71846e6f61fd17ce5537b607b1147c36de49d172977e5328881f3c730413095450bcba4c061a10435f43ef514ed

Download Submit
C:\Users\Admin\AppData\Roaming\C8571\1AD6.857

Filesize
1KB

MD5
b46e4557ea421bc82e2568044bbef22d

SHA1
6460617b7db3df657990ad2f6ab9dfdfd3d35601

SHA256
3d0c3255eb59384b7bc869074190a6ebf8866605e539f33204c4ad1dca2dc2de

SHA512
90a85bb91b5e173db02a769d195ef0828aeab143741c1fcaf884fdb9e9b494edc49d1175fe70026d0ae9b2f826e581e3d91b2d40dbe11828fe0b39b6c411fda9

Download Submit
memory/2604-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2604-2-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2604-11-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2604-12-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2604-268-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3276-105-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4568-7-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4568-8-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4568-10-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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