cycbot | 30b2f7b57388ffbe29f99042d4d34812e6e8b2e68df5667709c24a589334cade

General

Target

30b2f7b57388ffbe29f99042d4d34812e6e8b2e68df5667709c24a589334cade.exe
Size

167KB
MD5

9e54d1068d912e2ad14d14ca6844114a
SHA1

dab658a004f10cc5af9e1db907c0f24d20a4b45e
SHA256

30b2f7b57388ffbe29f99042d4d34812e6e8b2e68df5667709c24a589334cade
SHA512

35b76faa74db79b700930899bb94d89ca438c58027b406aa4cb74ac537917e113b45d6271abee760230ca103b429bc30952c2422317651660f8b0ba03a1003aa
SSDEEP

3072:1/JT+YPf75ysw4dB6eWth+WU8wTtNUFLwvPITiyTRbd0v0m7:pJy+24dc7h+p8wwFZiSRbd67

Score

10^/10

cycbot backdoor discovery persistence 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/4768-13-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral2/memory/3692-14-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral2/memory/3692-81-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral2/memory/5028-85-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral2/memory/3692-198-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\conhost = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\conhost.exe"	30b2f7b57388ffbe29f99042d4d34812e6e8b2e68df5667709c24a589334cade.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3692-2-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral2/memory/4768-13-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral2/memory/3692-14-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral2/memory/3692-81-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral2/memory/5028-84-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral2/memory/5028-85-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral2/memory/3692-198-0x0000000000400000-0x0000000000445000-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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	30b2f7b57388ffbe29f99042d4d34812e6e8b2e68df5667709c24a589334cade.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	30b2f7b57388ffbe29f99042d4d34812e6e8b2e68df5667709c24a589334cade.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	30b2f7b57388ffbe29f99042d4d34812e6e8b2e68df5667709c24a589334cade.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3692 wrote to memory of 4768	3692	30b2f7b57388ffbe29f99042d4d34812e6e8b2e68df5667709c24a589334cade.exe	83
PID 3692 wrote to memory of 4768	3692	30b2f7b57388ffbe29f99042d4d34812e6e8b2e68df5667709c24a589334cade.exe	83
PID 3692 wrote to memory of 4768	3692	30b2f7b57388ffbe29f99042d4d34812e6e8b2e68df5667709c24a589334cade.exe	83
PID 3692 wrote to memory of 5028	3692	30b2f7b57388ffbe29f99042d4d34812e6e8b2e68df5667709c24a589334cade.exe	94
PID 3692 wrote to memory of 5028	3692	30b2f7b57388ffbe29f99042d4d34812e6e8b2e68df5667709c24a589334cade.exe	94
PID 3692 wrote to memory of 5028	3692	30b2f7b57388ffbe29f99042d4d34812e6e8b2e68df5667709c24a589334cade.exe	94

C:\Users\Admin\AppData\Local\Temp\30b2f7b57388ffbe29f99042d4d34812e6e8b2e68df5667709c24a589334cade.exe
"C:\Users\Admin\AppData\Local\Temp\30b2f7b57388ffbe29f99042d4d34812e6e8b2e68df5667709c24a589334cade.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3692
- C:\Users\Admin\AppData\Local\Temp\30b2f7b57388ffbe29f99042d4d34812e6e8b2e68df5667709c24a589334cade.exe
  C:\Users\Admin\AppData\Local\Temp\30b2f7b57388ffbe29f99042d4d34812e6e8b2e68df5667709c24a589334cade.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4768
- C:\Users\Admin\AppData\Local\Temp\30b2f7b57388ffbe29f99042d4d34812e6e8b2e68df5667709c24a589334cade.exe
  C:\Users\Admin\AppData\Local\Temp\30b2f7b57388ffbe29f99042d4d34812e6e8b2e68df5667709c24a589334cade.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5028

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

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\84D3.D74

Filesize
1KB

MD5
193b76713d2ca6928a2febbb954bc71e

SHA1
df2b2bac90713ef26d16331db38e0c8d2327766c

SHA256
dabb44968514d1cc76cbfbbd31891d900a83128a3b1206df60facdc62b6c901d

SHA512
aeba2ec8d81f09f523dfbcb4286d77e60c7acca1cd81606d7b7abe9ac232dc4189ef296c7ac8389ac33289caebf673706354caff7bbfb38ef2179a613983de11

Download Submit
C:\Users\Admin\AppData\Roaming\84D3.D74

Filesize
600B

MD5
8baa335d82cb02dac6e88dfa52f46545

SHA1
ae4f957c4d98161f249e7111cfa671ef527d55cd

SHA256
295d8441d1c2b8a6b93ebb2f7fcc723bfd3f62740372b1e452e80c0e309c64eb

SHA512
69dc5687e02ed80bdb30000d2603f0ec8f64709e84e2a5ea66bcc8411c93f751695e1f70488f4ee828627304f23ff1d6341c9b41c11e1f34ff423249000d398d

Download Submit
C:\Users\Admin\AppData\Roaming\84D3.D74

Filesize
996B

MD5
263116e7f0e95d829c391719fd85d4cd

SHA1
e07c249e271f48fa32a40b63ad9eab9456c77419

SHA256
9c30d84b6114aceae8def623d73b79f27fdbc64054186cb3799c5d83ea30dc01

SHA512
23184774c4ebac6444be8b67947cdfd7f78fcb91697e9642f3081ccaf450ab3d15fcfb42931fed6b060e2e915d0d8747642b055dc5219e41a022eb134c8ccf92

Download Submit
memory/3692-1-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/3692-2-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/3692-14-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/3692-81-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/3692-198-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/4768-13-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/5028-84-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/5028-83-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/5028-85-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads