cycbot | 53ed384c3457e3d19f7ac0b743028abed6ac2018c223a280403d2d8a6c6cee8d

General

Target

de3d2e05f336d3def9627acf6207e491_JaffaCakes118.exe
Size

172KB
MD5

de3d2e05f336d3def9627acf6207e491
SHA1

0952fecd2e53ec418d936812e42aecb10a0bbfaf
SHA256

53ed384c3457e3d19f7ac0b743028abed6ac2018c223a280403d2d8a6c6cee8d
SHA512

720836d66df010601ba39c913ce7922d19d5fbd9180f892c78d01b74fa137fa2d6c1f8edbe57d834ba9e714e8c80081193bbb5223f282fcec61e14fa0e6fd2b1
SSDEEP

3072:DzRJpmbQ0n85faqNZNcJtRVOlwbvrxYpuxqiuUSzhYGrVQOipATuWs+bYL7:DzRJkfZBd7fNfMh7rVQOieToZL7

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/2676-9-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2676-10-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2756-15-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/692-90-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2756-157-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2756-195-0x0000000000400000-0x0000000000445000-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"	de3d2e05f336d3def9627acf6207e491_JaffaCakes118.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2756-2-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2676-8-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2676-9-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2676-10-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2756-15-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/692-89-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/692-90-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2756-157-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2756-195-0x0000000000400000-0x0000000000445000-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	de3d2e05f336d3def9627acf6207e491_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	de3d2e05f336d3def9627acf6207e491_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	de3d2e05f336d3def9627acf6207e491_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 2676	2756	de3d2e05f336d3def9627acf6207e491_JaffaCakes118.exe	30
PID 2756 wrote to memory of 2676	2756	de3d2e05f336d3def9627acf6207e491_JaffaCakes118.exe	30
PID 2756 wrote to memory of 2676	2756	de3d2e05f336d3def9627acf6207e491_JaffaCakes118.exe	30
PID 2756 wrote to memory of 2676	2756	de3d2e05f336d3def9627acf6207e491_JaffaCakes118.exe	30
PID 2756 wrote to memory of 692	2756	de3d2e05f336d3def9627acf6207e491_JaffaCakes118.exe	32
PID 2756 wrote to memory of 692	2756	de3d2e05f336d3def9627acf6207e491_JaffaCakes118.exe	32
PID 2756 wrote to memory of 692	2756	de3d2e05f336d3def9627acf6207e491_JaffaCakes118.exe	32
PID 2756 wrote to memory of 692	2756	de3d2e05f336d3def9627acf6207e491_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\de3d2e05f336d3def9627acf6207e491_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\de3d2e05f336d3def9627acf6207e491_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Users\Admin\AppData\Local\Temp\de3d2e05f336d3def9627acf6207e491_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\de3d2e05f336d3def9627acf6207e491_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2676
- C:\Users\Admin\AppData\Local\Temp\de3d2e05f336d3def9627acf6207e491_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\de3d2e05f336d3def9627acf6207e491_JaffaCakes118.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:692

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\0BDC.283

Filesize
1KB

MD5
98c16c66ae75c051ba9364085046a588

SHA1
3d65733bbd4838a904930ac37b7273e25812ef0f

SHA256
2885496d218f31a2188a16d55e809296bcd1b5105c24e574c02d1f0c5e7c2e8d

SHA512
7d6f98bf404d2d69da955f42d9177d8618252dc4ac9f5cbe7e531ff620003e04e6ab7aefb4b8194c18c6e42cbd31752063725f535ec8a7a5f87800924a3da6d3

Download Submit
C:\Users\Admin\AppData\Roaming\0BDC.283

Filesize
600B

MD5
be68d1e3392a5b67808ad8aeaac4ba60

SHA1
b86a7ce97da8bbf074c65b2092d9868d6be2b248

SHA256
c281388f1db36ccd7cdff036a7991acf518b394b79579d06a74bb624e96df0cf

SHA512
db658c11863e70acfd06b1aecaa3aefa2cc1bc4b3309123cc506387c926fabe73eb40c5861df62562fb70c9db5a1f1bb831a1df3bcf2529113b80ae0a9668310

Download Submit
memory/692-89-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/692-90-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2676-8-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2676-9-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2676-10-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2756-1-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2756-2-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2756-15-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2756-157-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2756-195-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads