cycbot | 6a7c6aad7b391cd371535dd4f92c883308c6e383dacae2f24e975977bf53759f

General

Target

6a7c6aad7b391cd371535dd4f92c883308c6e383dacae2f24e975977bf53759f.exe
Size

176KB
MD5

154d32194d1279080fe392766684a9b9
SHA1

c6b1d243142e3f78c103b90a6786d02781550494
SHA256

6a7c6aad7b391cd371535dd4f92c883308c6e383dacae2f24e975977bf53759f
SHA512

41542a632cf7eeadb0ad55e31d567be4b0d56a48db1c616102a740af3cf0820b920641e1e11e3dd48c17dfe302f11c78118feab41883b0a4670411dff40c84f9
SSDEEP

3072:3117viGsihGJh1ftYN9Yh9wypeTMnLmytzq6lF8YkOLJak6bnP+YG73pYm/g52:3r7ajihG91YN9+peTMhnlSzC76bn03xt

Score

10^/10

cycbot backdoor discovery persistence 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++.

Processes:

resource	yara_rule
behavioral1/memory/2452-8-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/796-14-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/3020-85-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/796-152-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/796-191-0x0000000000400000-0x0000000000445000-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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

6a7c6aad7b391cd371535dd4f92c883308c6e383dacae2f24e975977bf53759f.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\conhost = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\conhost.exe"	6a7c6aad7b391cd371535dd4f92c883308c6e383dacae2f24e975977bf53759f.exe

UPX packed file 7 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/796-1-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2452-8-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/796-14-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/3020-84-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/3020-85-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/796-152-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/796-191-0x0000000000400000-0x0000000000445000-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

Processes:

6a7c6aad7b391cd371535dd4f92c883308c6e383dacae2f24e975977bf53759f.exe6a7c6aad7b391cd371535dd4f92c883308c6e383dacae2f24e975977bf53759f.exe6a7c6aad7b391cd371535dd4f92c883308c6e383dacae2f24e975977bf53759f.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6a7c6aad7b391cd371535dd4f92c883308c6e383dacae2f24e975977bf53759f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6a7c6aad7b391cd371535dd4f92c883308c6e383dacae2f24e975977bf53759f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6a7c6aad7b391cd371535dd4f92c883308c6e383dacae2f24e975977bf53759f.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

6a7c6aad7b391cd371535dd4f92c883308c6e383dacae2f24e975977bf53759f.exe

description	pid	process	target process
PID 796 wrote to memory of 2452	796	6a7c6aad7b391cd371535dd4f92c883308c6e383dacae2f24e975977bf53759f.exe	6a7c6aad7b391cd371535dd4f92c883308c6e383dacae2f24e975977bf53759f.exe
PID 796 wrote to memory of 2452	796	6a7c6aad7b391cd371535dd4f92c883308c6e383dacae2f24e975977bf53759f.exe	6a7c6aad7b391cd371535dd4f92c883308c6e383dacae2f24e975977bf53759f.exe
PID 796 wrote to memory of 2452	796	6a7c6aad7b391cd371535dd4f92c883308c6e383dacae2f24e975977bf53759f.exe	6a7c6aad7b391cd371535dd4f92c883308c6e383dacae2f24e975977bf53759f.exe
PID 796 wrote to memory of 2452	796	6a7c6aad7b391cd371535dd4f92c883308c6e383dacae2f24e975977bf53759f.exe	6a7c6aad7b391cd371535dd4f92c883308c6e383dacae2f24e975977bf53759f.exe
PID 796 wrote to memory of 3020	796	6a7c6aad7b391cd371535dd4f92c883308c6e383dacae2f24e975977bf53759f.exe	6a7c6aad7b391cd371535dd4f92c883308c6e383dacae2f24e975977bf53759f.exe
PID 796 wrote to memory of 3020	796	6a7c6aad7b391cd371535dd4f92c883308c6e383dacae2f24e975977bf53759f.exe	6a7c6aad7b391cd371535dd4f92c883308c6e383dacae2f24e975977bf53759f.exe
PID 796 wrote to memory of 3020	796	6a7c6aad7b391cd371535dd4f92c883308c6e383dacae2f24e975977bf53759f.exe	6a7c6aad7b391cd371535dd4f92c883308c6e383dacae2f24e975977bf53759f.exe
PID 796 wrote to memory of 3020	796	6a7c6aad7b391cd371535dd4f92c883308c6e383dacae2f24e975977bf53759f.exe	6a7c6aad7b391cd371535dd4f92c883308c6e383dacae2f24e975977bf53759f.exe

C:\Users\Admin\AppData\Local\Temp\6a7c6aad7b391cd371535dd4f92c883308c6e383dacae2f24e975977bf53759f.exe
"C:\Users\Admin\AppData\Local\Temp\6a7c6aad7b391cd371535dd4f92c883308c6e383dacae2f24e975977bf53759f.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:796
- C:\Users\Admin\AppData\Local\Temp\6a7c6aad7b391cd371535dd4f92c883308c6e383dacae2f24e975977bf53759f.exe
  C:\Users\Admin\AppData\Local\Temp\6a7c6aad7b391cd371535dd4f92c883308c6e383dacae2f24e975977bf53759f.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2452
- C:\Users\Admin\AppData\Local\Temp\6a7c6aad7b391cd371535dd4f92c883308c6e383dacae2f24e975977bf53759f.exe
  C:\Users\Admin\AppData\Local\Temp\6a7c6aad7b391cd371535dd4f92c883308c6e383dacae2f24e975977bf53759f.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3020

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

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\7D3A.3BB

Filesize
1KB

MD5
0ca390a8a1aacd6accfe0fcde8bc737c

SHA1
9f06e662eae14bae96e5bc8a82ae72d04ff869c7

SHA256
21a9c9c846dc2c29bde19410fc190d0834f2c546614c31da22d4a2b07037e5fd

SHA512
5c6852c66553b7f0ca0b0092b9207e99e0534a456e6a6d4f4cdf9e0d55095b070c2f43349f5a79d88278fbd5a4f93cc58e2a7751938d296d09b3df7311efca96

Download Submit
C:\Users\Admin\AppData\Roaming\7D3A.3BB

Filesize
600B

MD5
738de9588f5ed21fc990279798686ba6

SHA1
ca8704a6582d41163f81463b189f942231546d1a

SHA256
8ffa5da3569c06e5882446afe53d20a83c98cef2472d1ee03bcc4b83c1471e05

SHA512
01d3fdaf468603721de3ed11f5cda9a0aaa10428cdc06454251bf228705ef5885a805d14003169d6f59b485189f722c93189c2b2a2b63c4e55b1ddf93d1ee35e

Download Submit
C:\Users\Admin\AppData\Roaming\7D3A.3BB

Filesize
996B

MD5
db6fb048c1f245d107142333cbf461f8

SHA1
0d39bc4df9f4d7be8c11721c89c9837a7355c7f4

SHA256
bf547bf93c690dd65264eb1eb7b78e1e2226df6b81689b9042f1a82bfb28c085

SHA512
71951092548a6ca52f42dbbcb38d3027f2e8321040b95335f9c227bc4f9db48a59e1c8433cf1ffd310e0ad409696443cc226d6c6c827a6d5a327d27028166a53

Download Submit
memory/796-1-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/796-14-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/796-152-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/796-191-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2452-9-0x000000000058B000-0x00000000005A5000-memory.dmp

Filesize
104KB

Download
memory/2452-8-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/3020-84-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/3020-83-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/3020-85-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads