cycbot | 7cf3171db67f95dafccccdebd657cab606268dc84704dad1f168c533057c1a90

General

Target

7cf3171db67f95dafccccdebd657cab606268dc84704dad1f168c533057c1a90N.exe
Size

174KB
MD5

824fe0a451db07cd5d52227e05612600
SHA1

8f1b568d7beb8b67c53b01d34c578aaee4459fe4
SHA256

7cf3171db67f95dafccccdebd657cab606268dc84704dad1f168c533057c1a90
SHA512

21cd6ec5c69153a5351141b84db021caa421daaa24603557cbfc35978d560a3081054e4c62b546e38da08d75ccf8a40efdf93275ae2768684d569b5b39b66162
SSDEEP

3072:sPHCZRKkA3gjhw8LLzkDS17ANWvRD43YtvDM/7rOrp/oOPe3teA:s4KR3gjusv+SJxJs3asarpooedeA

Score

10^/10

cycbot backdoor discovery rat spyware stealer upx

Malware Config

Signatures

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

Detects Cycbot payload 4 IoCs

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

resource	yara_rule
behavioral1/memory/2576-8-0x0000000000400000-0x000000000044B000-memory.dmp	family_cycbot
behavioral1/memory/1528-16-0x0000000000400000-0x000000000044B000-memory.dmp	family_cycbot
behavioral1/memory/1948-80-0x0000000000400000-0x000000000044B000-memory.dmp	family_cycbot
behavioral1/memory/1528-179-0x0000000000400000-0x000000000044B000-memory.dmp	family_cycbot

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1528-2-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2576-6-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2576-8-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/1528-16-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/1948-80-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/1528-179-0x0000000000400000-0x000000000044B000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 3 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	7cf3171db67f95dafccccdebd657cab606268dc84704dad1f168c533057c1a90N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7cf3171db67f95dafccccdebd657cab606268dc84704dad1f168c533057c1a90N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7cf3171db67f95dafccccdebd657cab606268dc84704dad1f168c533057c1a90N.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1528 wrote to memory of 2576	1528	7cf3171db67f95dafccccdebd657cab606268dc84704dad1f168c533057c1a90N.exe	30
PID 1528 wrote to memory of 2576	1528	7cf3171db67f95dafccccdebd657cab606268dc84704dad1f168c533057c1a90N.exe	30
PID 1528 wrote to memory of 2576	1528	7cf3171db67f95dafccccdebd657cab606268dc84704dad1f168c533057c1a90N.exe	30
PID 1528 wrote to memory of 2576	1528	7cf3171db67f95dafccccdebd657cab606268dc84704dad1f168c533057c1a90N.exe	30
PID 1528 wrote to memory of 1948	1528	7cf3171db67f95dafccccdebd657cab606268dc84704dad1f168c533057c1a90N.exe	32
PID 1528 wrote to memory of 1948	1528	7cf3171db67f95dafccccdebd657cab606268dc84704dad1f168c533057c1a90N.exe	32
PID 1528 wrote to memory of 1948	1528	7cf3171db67f95dafccccdebd657cab606268dc84704dad1f168c533057c1a90N.exe	32
PID 1528 wrote to memory of 1948	1528	7cf3171db67f95dafccccdebd657cab606268dc84704dad1f168c533057c1a90N.exe	32

C:\Users\Admin\AppData\Local\Temp\7cf3171db67f95dafccccdebd657cab606268dc84704dad1f168c533057c1a90N.exe
"C:\Users\Admin\AppData\Local\Temp\7cf3171db67f95dafccccdebd657cab606268dc84704dad1f168c533057c1a90N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1528
- C:\Users\Admin\AppData\Local\Temp\7cf3171db67f95dafccccdebd657cab606268dc84704dad1f168c533057c1a90N.exe
  C:\Users\Admin\AppData\Local\Temp\7cf3171db67f95dafccccdebd657cab606268dc84704dad1f168c533057c1a90N.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2576
- C:\Users\Admin\AppData\Local\Temp\7cf3171db67f95dafccccdebd657cab606268dc84704dad1f168c533057c1a90N.exe
  C:\Users\Admin\AppData\Local\Temp\7cf3171db67f95dafccccdebd657cab606268dc84704dad1f168c533057c1a90N.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1948

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\8E9A.963

Filesize
1KB

MD5
c116c3063f9b4b925d77ecf4096fa8a5

SHA1
771f2eddc075191552ae9a59884c54e1f42dde93

SHA256
c6e31c6f067a72736f07393fc77c983c1154f415c20ee700545fb5ab700cdff8

SHA512
1bb15c7adff7e81235028a49ae187b1a3a38f857dfc0d057633ed4df2c158202b158214064e3d44f7b1e143d3c85a76190fe87134bcbd7fea53c3d4a82ce2d29

Download Submit
C:\Users\Admin\AppData\Roaming\8E9A.963

Filesize
600B

MD5
78234cb72f63284e9860a190f8bc3edb

SHA1
17e9452b75b685eab31ccd40b28bb6ca0c082caf

SHA256
7a940dccbdd78602bf42c358f3e7793ac7c85e038ad05f24ff95e2b751f82a91

SHA512
82aabab938374e49a91737a17bde19250b20a1d71dc50e6d32de2c32ba38eb5a17562b64af4f7e979f4f578dc7ed9afefcb740592e6695c7ba48978c22089043

Download Submit
C:\Users\Admin\AppData\Roaming\8E9A.963

Filesize
996B

MD5
c1a1602f9e9aa7e89f6e39eaa5135a13

SHA1
ac6679fa1597a9065e851fe9d1c940630e505fc1

SHA256
834158131f3a88ffbc1b3482fd611dba98bdfcc0c5d5dde3fb3224cb7204c0cb

SHA512
294411de4f6ac3ecf12bbcdd27bcc66613a804d578958fa20d87787f849fded32097f505e7ec96b19dd3d309c5c04cb5910f2e102f310e43681d8be6547a6b72

Download Submit
memory/1528-1-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1528-2-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1528-16-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1528-179-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1948-80-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2576-6-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2576-5-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2576-8-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download

Analysis

Sharing