cycbot | a181dde6c273f15fac0aaa71fa1fd214ebfcbc0522671a1ae079ecd10e5a28df

General

Target

a181dde6c273f15fac0aaa71fa1fd214ebfcbc0522671a1ae079ecd10e5a28df.exe
Size

158KB
MD5

6baec7dda130e3d7b792464cd892fc41
SHA1

f0813d09958b6575709c4c1b5742dcd22050e8bc
SHA256

a181dde6c273f15fac0aaa71fa1fd214ebfcbc0522671a1ae079ecd10e5a28df
SHA512

b73ce3a3985ccd508a3045fe984960cdb005edfff3ea2c4a072bd05fd639c4fce87459d225754543e7e311e465b8e2ad9b8cd52d64545249935af6ba8fee75b6
SSDEEP

3072:0Ttz/7HY/M9V4CUYgCLSCxRwVoVGMrmB9N39//lOpcheMS+DsdLoP6WLx:0Ttj74SVZxMAYL3ZESh/DSnqx

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/2344-6-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/2500-14-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/2576-80-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/2500-185-0x0000000000400000-0x0000000000468000-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/2500-2-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2344-5-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2344-6-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2500-14-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2576-80-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2500-185-0x0000000000400000-0x0000000000468000-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	a181dde6c273f15fac0aaa71fa1fd214ebfcbc0522671a1ae079ecd10e5a28df.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a181dde6c273f15fac0aaa71fa1fd214ebfcbc0522671a1ae079ecd10e5a28df.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a181dde6c273f15fac0aaa71fa1fd214ebfcbc0522671a1ae079ecd10e5a28df.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2500 wrote to memory of 2344	2500	a181dde6c273f15fac0aaa71fa1fd214ebfcbc0522671a1ae079ecd10e5a28df.exe	30
PID 2500 wrote to memory of 2344	2500	a181dde6c273f15fac0aaa71fa1fd214ebfcbc0522671a1ae079ecd10e5a28df.exe	30
PID 2500 wrote to memory of 2344	2500	a181dde6c273f15fac0aaa71fa1fd214ebfcbc0522671a1ae079ecd10e5a28df.exe	30
PID 2500 wrote to memory of 2344	2500	a181dde6c273f15fac0aaa71fa1fd214ebfcbc0522671a1ae079ecd10e5a28df.exe	30
PID 2500 wrote to memory of 2576	2500	a181dde6c273f15fac0aaa71fa1fd214ebfcbc0522671a1ae079ecd10e5a28df.exe	33
PID 2500 wrote to memory of 2576	2500	a181dde6c273f15fac0aaa71fa1fd214ebfcbc0522671a1ae079ecd10e5a28df.exe	33
PID 2500 wrote to memory of 2576	2500	a181dde6c273f15fac0aaa71fa1fd214ebfcbc0522671a1ae079ecd10e5a28df.exe	33
PID 2500 wrote to memory of 2576	2500	a181dde6c273f15fac0aaa71fa1fd214ebfcbc0522671a1ae079ecd10e5a28df.exe	33

C:\Users\Admin\AppData\Local\Temp\a181dde6c273f15fac0aaa71fa1fd214ebfcbc0522671a1ae079ecd10e5a28df.exe
"C:\Users\Admin\AppData\Local\Temp\a181dde6c273f15fac0aaa71fa1fd214ebfcbc0522671a1ae079ecd10e5a28df.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2500
- C:\Users\Admin\AppData\Local\Temp\a181dde6c273f15fac0aaa71fa1fd214ebfcbc0522671a1ae079ecd10e5a28df.exe
  C:\Users\Admin\AppData\Local\Temp\a181dde6c273f15fac0aaa71fa1fd214ebfcbc0522671a1ae079ecd10e5a28df.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2344
- C:\Users\Admin\AppData\Local\Temp\a181dde6c273f15fac0aaa71fa1fd214ebfcbc0522671a1ae079ecd10e5a28df.exe
  C:\Users\Admin\AppData\Local\Temp\a181dde6c273f15fac0aaa71fa1fd214ebfcbc0522671a1ae079ecd10e5a28df.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2576

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

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Downloads

C:\Users\Admin\AppData\Roaming\0137.41A

Filesize
1KB

MD5
4b5e77986356107b6c0543c898617a99

SHA1
9d90f539fc3b7dc458f40fbb4b2b30a2db530d51

SHA256
b2ec2870d123ae9876b0b9ff4dbea48dbd1d1fb30108ee73390eb93acdc906a5

SHA512
4f0bf28adb181c0f1c72f32dba16984979e6fa322f40dd9a86aa0b1e4a2baf6d2a62d43e7f7d38fc9f13108058b9b17c91b79a5143e587f0fc14bd987f6b9d83

Download Submit
C:\Users\Admin\AppData\Roaming\0137.41A

Filesize
600B

MD5
22ae1226bc40b7ba31665cc328dd83b9

SHA1
2616cf120418dafe33069460ae14b11c165a62c1

SHA256
747b85f1db9b4854f2be34f25e6ba58fd7edbbee1183c509a7988befe964e4e0

SHA512
70eae63615316dd9d2d60556f365d726b724bd4f05c855a3953939f61425c66af903b7db365c8fbde761a0b1956a7425a49b80dfea6330ef19ee589a126304ce

Download Submit
C:\Users\Admin\AppData\Roaming\0137.41A

Filesize
996B

MD5
6902013ecd6c7a22a3e3531abe1f5a51

SHA1
31a620143378ff0a008978d85ab2649c6ae90f01

SHA256
e9fa1ea9a19626abebbe26ba1f1a511e39a12f0556229860e4074428dafaf67e

SHA512
b2dacafb98c4b01116c78e79b4cff6ae3dec30363ca42a4b91a48906a2d0f74992feaa0b38b432ade5990bc5043b9c92d9c49073a3b5eeb890c79c2a86513d7e

Download Submit
memory/2344-5-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2344-6-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2500-1-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2500-2-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2500-14-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2500-185-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2576-80-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download

Analysis

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