cycbot | 2f9c901743c0f2ff6594dbc64acb7e767f8329c528512d9bc2e0566c2841c351

General

Target

JaffaCakes118_93dc3c374d77f8b13427aa37c1be2064.exe
Size

176KB
MD5

93dc3c374d77f8b13427aa37c1be2064
SHA1

f16962644575b409f56ee76d171e9ea786884745
SHA256

2f9c901743c0f2ff6594dbc64acb7e767f8329c528512d9bc2e0566c2841c351
SHA512

ecb21e4dc9e345c08c1be53e87a1ced18b4c3b40fdda048638569cf31bd9455d89a6dfb585fff3ced7c8a21f839ff4337acebb85142881dbf772df6480dfe1ed
SSDEEP

3072:id62Ls2mpMC+dJB/1d+z4p2K2zh3dyjoHWc+cMywCZBMtz1nsZ0q95xSkkIMIyo:I6TAC8B/jjA1Zd/oZyHM11nNq9Cb1o

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/2100-13-0x0000000000400000-0x000000000044B000-memory.dmp	family_cycbot
behavioral1/memory/2772-14-0x0000000000400000-0x000000000044B000-memory.dmp	family_cycbot
behavioral1/memory/2772-75-0x0000000000400000-0x000000000044B000-memory.dmp	family_cycbot
behavioral1/memory/2188-77-0x0000000000400000-0x000000000044B000-memory.dmp	family_cycbot
behavioral1/memory/2772-186-0x0000000000400000-0x000000000044B000-memory.dmp	family_cycbot

Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe

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"	JaffaCakes118_93dc3c374d77f8b13427aa37c1be2064.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2772-2-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2100-12-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2100-13-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2772-14-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2772-75-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2188-77-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2772-186-0x0000000000400000-0x000000000044B000-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	JaffaCakes118_93dc3c374d77f8b13427aa37c1be2064.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_93dc3c374d77f8b13427aa37c1be2064.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_93dc3c374d77f8b13427aa37c1be2064.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_Classes\Local Settings	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2560	explorer.exe

Suspicious use of AdjustPrivilegeToken 12 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2560	explorer.exe
Token: SeShutdownPrivilege	2560	explorer.exe
Token: SeShutdownPrivilege	2560	explorer.exe
Token: SeShutdownPrivilege	2560	explorer.exe
Token: SeShutdownPrivilege	2560	explorer.exe
Token: SeShutdownPrivilege	2560	explorer.exe
Token: SeShutdownPrivilege	2560	explorer.exe
Token: SeShutdownPrivilege	2560	explorer.exe
Token: SeShutdownPrivilege	2560	explorer.exe
Token: SeShutdownPrivilege	2560	explorer.exe
Token: SeShutdownPrivilege	2560	explorer.exe
Token: SeShutdownPrivilege	2560	explorer.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe

Suspicious use of SendNotifyMessage 16 IoCs

pid	Process
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe
2560	explorer.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2772 wrote to memory of 2100	2772	JaffaCakes118_93dc3c374d77f8b13427aa37c1be2064.exe	30
PID 2772 wrote to memory of 2100	2772	JaffaCakes118_93dc3c374d77f8b13427aa37c1be2064.exe	30
PID 2772 wrote to memory of 2100	2772	JaffaCakes118_93dc3c374d77f8b13427aa37c1be2064.exe	30
PID 2772 wrote to memory of 2100	2772	JaffaCakes118_93dc3c374d77f8b13427aa37c1be2064.exe	30
PID 2772 wrote to memory of 2188	2772	JaffaCakes118_93dc3c374d77f8b13427aa37c1be2064.exe	34
PID 2772 wrote to memory of 2188	2772	JaffaCakes118_93dc3c374d77f8b13427aa37c1be2064.exe	34
PID 2772 wrote to memory of 2188	2772	JaffaCakes118_93dc3c374d77f8b13427aa37c1be2064.exe	34
PID 2772 wrote to memory of 2188	2772	JaffaCakes118_93dc3c374d77f8b13427aa37c1be2064.exe	34

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_93dc3c374d77f8b13427aa37c1be2064.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_93dc3c374d77f8b13427aa37c1be2064.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2772
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_93dc3c374d77f8b13427aa37c1be2064.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_93dc3c374d77f8b13427aa37c1be2064.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2100
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_93dc3c374d77f8b13427aa37c1be2064.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_93dc3c374d77f8b13427aa37c1be2064.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2188

C:\Windows\explorer.exe
explorer.exe
1⤵
- Boot or Logon Autostart Execution: Active Setup
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2560

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

2

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

Query Registry

1

T1012

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\55DC.E42

Filesize
1KB

MD5
1b4e88dd88ae2658646f50b5fca6e3af

SHA1
3ac21425d08223421308bbdc036204baab948ae8

SHA256
c612c27bd92ce62a816d0fed2a720731a81de22ea5c4269b64234c4f2ee68e70

SHA512
a507ed4d7d95f7dfde502835c93333114ec78c20e1a99aee5c27122cfa2c6f1f3cccf97451be6438872088c800179b56987e2deeb9f60cd27ac32d0db9586649

Download Submit
C:\Users\Admin\AppData\Roaming\55DC.E42

Filesize
600B

MD5
955ec33b50e5d46f29094881b6bb6e28

SHA1
89b32d41d4161aca7ece7dcceee61a463e311597

SHA256
ace73b164f32ee7ab13b7fc872155b2bd85bc07579c129a08efd64366e9eaae0

SHA512
88eb8f26ed1dc8087dc4d8e054057c8163fae7652820332ab7b08cb2a9ad5762427fcece9617b39c2cc4a8891eea9a150bc34b9c391b245ddb660d9531c578ba

Download Submit
C:\Users\Admin\AppData\Roaming\55DC.E42

Filesize
996B

MD5
05a0c525f8696da1cffd1e80b79d0370

SHA1
6c9730fe4f11d052bfa8756a6799796533a41bdb

SHA256
b7b6a2f05aaee4e7542613e34550080242d0023918d1527e84f044775bc6c85e

SHA512
50a6c60f0ef1ec41b8a99352f1a06aef476053a2bea82b44e3fb183b4399537f11531f12f73340f93792012009aa8c6351104d87be40fe282c99c89250db64f5

Download Submit
memory/2100-12-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2100-13-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2188-77-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2560-193-0x0000000002B10000-0x0000000002B20000-memory.dmp

Filesize
64KB

Download
memory/2772-1-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2772-2-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2772-14-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2772-75-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2772-186-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads