cycbot | 6d9f9e320e0c1d0d4d4f9d750ee8acb24804bda85246572a2cbf47304721452a

General

Target

6d9f9e320e0c1d0d4d4f9d750ee8acb24804bda85246572a2cbf47304721452aN.exe
Size

174KB
MD5

f05841566fd46101e8ac0843bfe52af0
SHA1

82b433c81dd763598ba45a4d11feadc9b1d724ca
SHA256

6d9f9e320e0c1d0d4d4f9d750ee8acb24804bda85246572a2cbf47304721452a
SHA512

2a4309dbe9fd8d3613a5bbc9ce620f9333dfc801d8345e1d0ce07221fa43680b11e243b8b21d41f80dbbec3c77361425c9cb53909dfb523c1e74168f77d3337d
SSDEEP

3072:C22Azyo0VnGnAvTuXXwedA4Hk7iRnLQ9E594BeKLI8G:C2vQnG0iLA4fnLQ9k94

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++.

resource	yara_rule
behavioral1/memory/2512-13-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/1860-14-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/1936-78-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/1860-79-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/1860-145-0x0000000000400000-0x0000000000445000-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

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\conhost = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\conhost.exe"	6d9f9e320e0c1d0d4d4f9d750ee8acb24804bda85246572a2cbf47304721452aN.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1860-2-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2512-12-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2512-13-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/1860-14-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/1936-78-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/1860-79-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/1860-145-0x0000000000400000-0x0000000000445000-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	6d9f9e320e0c1d0d4d4f9d750ee8acb24804bda85246572a2cbf47304721452aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6d9f9e320e0c1d0d4d4f9d750ee8acb24804bda85246572a2cbf47304721452aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6d9f9e320e0c1d0d4d4f9d750ee8acb24804bda85246572a2cbf47304721452aN.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1860 wrote to memory of 2512	1860	6d9f9e320e0c1d0d4d4f9d750ee8acb24804bda85246572a2cbf47304721452aN.exe	30
PID 1860 wrote to memory of 2512	1860	6d9f9e320e0c1d0d4d4f9d750ee8acb24804bda85246572a2cbf47304721452aN.exe	30
PID 1860 wrote to memory of 2512	1860	6d9f9e320e0c1d0d4d4f9d750ee8acb24804bda85246572a2cbf47304721452aN.exe	30
PID 1860 wrote to memory of 2512	1860	6d9f9e320e0c1d0d4d4f9d750ee8acb24804bda85246572a2cbf47304721452aN.exe	30
PID 1860 wrote to memory of 1936	1860	6d9f9e320e0c1d0d4d4f9d750ee8acb24804bda85246572a2cbf47304721452aN.exe	33
PID 1860 wrote to memory of 1936	1860	6d9f9e320e0c1d0d4d4f9d750ee8acb24804bda85246572a2cbf47304721452aN.exe	33
PID 1860 wrote to memory of 1936	1860	6d9f9e320e0c1d0d4d4f9d750ee8acb24804bda85246572a2cbf47304721452aN.exe	33
PID 1860 wrote to memory of 1936	1860	6d9f9e320e0c1d0d4d4f9d750ee8acb24804bda85246572a2cbf47304721452aN.exe	33

C:\Users\Admin\AppData\Local\Temp\6d9f9e320e0c1d0d4d4f9d750ee8acb24804bda85246572a2cbf47304721452aN.exe
"C:\Users\Admin\AppData\Local\Temp\6d9f9e320e0c1d0d4d4f9d750ee8acb24804bda85246572a2cbf47304721452aN.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1860
- C:\Users\Admin\AppData\Local\Temp\6d9f9e320e0c1d0d4d4f9d750ee8acb24804bda85246572a2cbf47304721452aN.exe
  C:\Users\Admin\AppData\Local\Temp\6d9f9e320e0c1d0d4d4f9d750ee8acb24804bda85246572a2cbf47304721452aN.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2512
- C:\Users\Admin\AppData\Local\Temp\6d9f9e320e0c1d0d4d4f9d750ee8acb24804bda85246572a2cbf47304721452aN.exe
  C:\Users\Admin\AppData\Local\Temp\6d9f9e320e0c1d0d4d4f9d750ee8acb24804bda85246572a2cbf47304721452aN.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1936

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

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Downloads

C:\Users\Admin\AppData\Roaming\9AA7.E51

Filesize
1KB

MD5
fa43df8ba59581bd11f04aaa78a8a190

SHA1
96dfb3503032e9978b6fdde7148e15d4c09c6f84

SHA256
b307fe0ef6245bcbab9ca1e468761827679ae6428782be33a82eb6060db85db5

SHA512
c9355e03176a78c19348df1a05093dd743e127477b6df9625bc845867b7cead9076a88082ea4da4d9a07c7ecd98573f873c5f512c1370fa72beeaf05a2334987

Download Submit
C:\Users\Admin\AppData\Roaming\9AA7.E51

Filesize
600B

MD5
ebb6b8d22b68a78cc95d0aa462979da3

SHA1
e6f0839ca7b646f27b4e4404571b2b83fd24e5b7

SHA256
ef0b46e5f42064b2e835ad1ebfff2d7408730eeccf941d68a4cf391d9ff3bcac

SHA512
5c0f64d021ad640cc3849cc4fe3ac5d069cd059f93bacc62b6fd7163c319b55f41aeabffb7b52b40191e7baad2c5bde89eb4208ceb24540404c73867fb19b256

Download Submit
C:\Users\Admin\AppData\Roaming\9AA7.E51

Filesize
996B

MD5
b26575ce4fc8ebae420e8bcda3fec016

SHA1
d7fef3e5a2097b357a8e0d96bd01789c08a0e14b

SHA256
47e0ab6ec43e238b9271ed65838aa10aa57a6ca7ba382ddf2593878226354ebe

SHA512
aedee9fe0b27c87ef760a70b60f8df048d1c859655027cd34683b3745948634c7183ed87f35ac335118240b91150bf03f557e488b430754845b1aaa264d242a9

Download Submit
memory/1860-1-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/1860-2-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/1860-14-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/1860-79-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/1860-145-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/1936-78-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2512-12-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2512-13-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads