cycbot | 4bb9244ac4ab9d4ef677cf99288b414ae9daba4636981a3c06cf6db3c12b58f5

General

Target

VirusShare_001468a17a21611ade41d5a0d19d79a4.exe
Size

184KB
MD5

001468a17a21611ade41d5a0d19d79a4
SHA1

4afd978cccc6e051e30a2509df4f03df3166752d
SHA256

4bb9244ac4ab9d4ef677cf99288b414ae9daba4636981a3c06cf6db3c12b58f5
SHA512

91c50ecf645cc5f569d0fbcd3891c1ce0d749434992d4940bbcbbaa1093c5a0b5393b5b702963556e5e8af8e6c56017b7ec8524662ceb25610a1f8776cc44657
SSDEEP

3072:2ZKSpN+TQJsTC4jcKhvvBZcxBBlp6nKlbgu+J/WcY1N25eOr8JBCLOzEao4xC:2wSpUU34jrvglH+J/WcY1N2wHzfdxC

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 5 IoCs

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

resource	yara_rule
behavioral1/memory/2748-6-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/2244-13-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/2812-82-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/2244-182-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/2244-211-0x0000000000400000-0x0000000000468000-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 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2244-2-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2748-6-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2748-5-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2244-13-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2812-82-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2812-81-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2244-182-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2244-211-0x0000000000400000-0x0000000000468000-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	VirusShare_001468a17a21611ade41d5a0d19d79a4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	VirusShare_001468a17a21611ade41d5a0d19d79a4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	VirusShare_001468a17a21611ade41d5a0d19d79a4.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 2748	2244	VirusShare_001468a17a21611ade41d5a0d19d79a4.exe	30
PID 2244 wrote to memory of 2748	2244	VirusShare_001468a17a21611ade41d5a0d19d79a4.exe	30
PID 2244 wrote to memory of 2748	2244	VirusShare_001468a17a21611ade41d5a0d19d79a4.exe	30
PID 2244 wrote to memory of 2748	2244	VirusShare_001468a17a21611ade41d5a0d19d79a4.exe	30
PID 2244 wrote to memory of 2812	2244	VirusShare_001468a17a21611ade41d5a0d19d79a4.exe	32
PID 2244 wrote to memory of 2812	2244	VirusShare_001468a17a21611ade41d5a0d19d79a4.exe	32
PID 2244 wrote to memory of 2812	2244	VirusShare_001468a17a21611ade41d5a0d19d79a4.exe	32
PID 2244 wrote to memory of 2812	2244	VirusShare_001468a17a21611ade41d5a0d19d79a4.exe	32

C:\Users\Admin\AppData\Local\Temp\VirusShare_001468a17a21611ade41d5a0d19d79a4.exe
"C:\Users\Admin\AppData\Local\Temp\VirusShare_001468a17a21611ade41d5a0d19d79a4.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Users\Admin\AppData\Local\Temp\VirusShare_001468a17a21611ade41d5a0d19d79a4.exe
  C:\Users\Admin\AppData\Local\Temp\VirusShare_001468a17a21611ade41d5a0d19d79a4.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2748
- C:\Users\Admin\AppData\Local\Temp\VirusShare_001468a17a21611ade41d5a0d19d79a4.exe
  C:\Users\Admin\AppData\Local\Temp\VirusShare_001468a17a21611ade41d5a0d19d79a4.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2812

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\04F5.2BA

Filesize
1KB

MD5
36eb41c958552bfcc880d02267c0f257

SHA1
c6ba3e60f25d540ba4c67b754c0a76e3b8e43cdb

SHA256
311cba8731a4a29802321f3820b7321d77249c11d884bdf6447bd9eaacb0e799

SHA512
78de015796dc6aad57e3c02883d436b0db8afcfdba578bd930fab7cdd6f6be6e5fc84a0f0da8a24d46cd11a7eda8cb95c7df5612b2195ab9027ad11399e7bf3d

Download Submit
C:\Users\Admin\AppData\Roaming\04F5.2BA

Filesize
600B

MD5
94f03bff93afdb55e956078b57bdb2cf

SHA1
c40a0c110744c7155dc923d2384a5adec5a1bac2

SHA256
e1887cced9f106d192937ab3970074991b18d288338e3a541ac5933c5a634f1c

SHA512
e3ecc267d3682901b7bbc40c8a5860c95204ca48ca3a7d8bf5936c3eff78aeb2dae4481b616e996e13238ab3f5196684b2eb0f5598c54c1f04e9515b6005caaa

Download Submit
C:\Users\Admin\AppData\Roaming\04F5.2BA

Filesize
996B

MD5
cff1d6d730e67bd33edd56ff57699de9

SHA1
5ca79b03dc5d179f0a0db94407583f4062c88580

SHA256
106384c713bb9e44ace6229a3843bcaa76509a43decdb2d002f9a6392a1763fd

SHA512
a9ddcbd8a128e7824a50f8e22cd1633de63eef45af1f0935cd6bfdbed09ba4182c1f93ccceaddb96bacb3fee09ca776832936ccc16e4d4ee4aba4291ea322989

Download Submit
memory/2244-2-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2244-211-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2244-1-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2244-13-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2244-182-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2748-5-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2748-6-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2812-81-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2812-82-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2812-79-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download

Analysis

Sharing