cycbot | 40d9e0fab0717b03700dc40192719bd3980a26316f54051ee3803cb9f310d150

General

Target

da57048d65216584acf61da322e502ab_JaffaCakes118.exe
Size

186KB
MD5

da57048d65216584acf61da322e502ab
SHA1

3766d2520573dc2448f7a6eaa471f0a163d12d6c
SHA256

40d9e0fab0717b03700dc40192719bd3980a26316f54051ee3803cb9f310d150
SHA512

4afcf1f70a54c2da2a771db0a970bf92230daf624289b40399b126a37c18f06649d3c3b4415fd3b4f963e34ea7eb987f5fd1ca01ed43e532401aa242d584fc6d
SSDEEP

3072:bcRvZp5tU0pvdjP9Ej5nVeSQWW6RojbQnemiJurgoqK3cMvNQ3PDJ/hWefzu8yx:IRvZtpvd79PL6Rib4eDJDKDvNQ/JhnzI

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 6 IoCs

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

resource	yara_rule
behavioral1/memory/2576-7-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2568-15-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2568-78-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/1948-80-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2568-169-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2568-175-0x0000000000400000-0x0000000000445000-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"	da57048d65216584acf61da322e502ab_JaffaCakes118.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2568-2-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2576-5-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2576-7-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2568-15-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2568-78-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/1948-80-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2568-169-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2568-175-0x0000000000400000-0x0000000000445000-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	da57048d65216584acf61da322e502ab_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	da57048d65216584acf61da322e502ab_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	da57048d65216584acf61da322e502ab_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2568 wrote to memory of 2576	2568	da57048d65216584acf61da322e502ab_JaffaCakes118.exe	30
PID 2568 wrote to memory of 2576	2568	da57048d65216584acf61da322e502ab_JaffaCakes118.exe	30
PID 2568 wrote to memory of 2576	2568	da57048d65216584acf61da322e502ab_JaffaCakes118.exe	30
PID 2568 wrote to memory of 2576	2568	da57048d65216584acf61da322e502ab_JaffaCakes118.exe	30
PID 2568 wrote to memory of 1948	2568	da57048d65216584acf61da322e502ab_JaffaCakes118.exe	32
PID 2568 wrote to memory of 1948	2568	da57048d65216584acf61da322e502ab_JaffaCakes118.exe	32
PID 2568 wrote to memory of 1948	2568	da57048d65216584acf61da322e502ab_JaffaCakes118.exe	32
PID 2568 wrote to memory of 1948	2568	da57048d65216584acf61da322e502ab_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\da57048d65216584acf61da322e502ab_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\da57048d65216584acf61da322e502ab_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2568
- C:\Users\Admin\AppData\Local\Temp\da57048d65216584acf61da322e502ab_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\da57048d65216584acf61da322e502ab_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2576
- C:\Users\Admin\AppData\Local\Temp\da57048d65216584acf61da322e502ab_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\da57048d65216584acf61da322e502ab_JaffaCakes118.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1948

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\0CE1.773

Filesize
300B

MD5
f9fef3aee6fa6b49be725a8c4b6ffcc4

SHA1
7fd33952dc57c3174cd7637077bccba71dee6227

SHA256
f7dc648878c8af11f62620d3bb7b715c0f206d1e72a76be3bd84ffb1e75f0524

SHA512
da140cadaf1bbefbb60c03b919155daed8270c880f41a413a3c607b2f8f80c6c28194be6b9aaab349735c6c030711f2d984f00bfb8a5f3ee7138e913ac16802a

Download Submit
C:\Users\Admin\AppData\Roaming\0CE1.773

Filesize
1KB

MD5
aa7670d18a6e5bcf5ad491834d3368a7

SHA1
e0172c07db850544862c9b740e208427f527bdf6

SHA256
291661f6c10508666f32b90deca5e50f3c86eff2bd7eec0d799bf3160d759889

SHA512
4854155b2b1b9f8a9c66d53472c19321ae10da38a68a2fc85a05a3c47456fb969be0ddaca06ce8bdbcd00a5d3ba2f02fd0bd9982baa2633f7702b3ad0c618fd2

Download Submit
C:\Users\Admin\AppData\Roaming\0CE1.773

Filesize
600B

MD5
df4b2467792fb4b7df4a174d3f9763dc

SHA1
d47cb514961e8f46b3b63437f851f056b9ab69db

SHA256
b1309c5becfdea0b88cf77f4fa89ab100887908ed8795fe1a8ddb4282f2b034b

SHA512
ae99899b2fe7689dba9c058ea769a5bd4ca6f1f7e898c2645c465cd7d65bddeb99ef3f81ef89aa44ff2a7ab8b4afd508a76295443b4a5b5c64d300b4cdcd96cb

Download Submit
memory/1948-80-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2568-1-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2568-2-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2568-15-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2568-78-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2568-169-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2568-175-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2576-5-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2576-7-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads