cycbot | 5a2196d71fe8915087feaec9a5ecdc97160d637fcf7728c75b16accbb5ab02d0

General

Target

e910f5392c8f57eb2e97997450f8aa1c_JaffaCakes118.exe
Size

185KB
MD5

e910f5392c8f57eb2e97997450f8aa1c
SHA1

30b65c30539bdb3d61ff927b86f95c47cf0ebf98
SHA256

5a2196d71fe8915087feaec9a5ecdc97160d637fcf7728c75b16accbb5ab02d0
SHA512

d9a386112b51d64d267865c3f5a7fc24904cfcee53d43141a7b24b020bee12a9d56d490e655ca49059a43da41779886a42caf175e99e9efd282b2de2c2ac8bbb
SSDEEP

3072:8h0gLgXZ9WbO58krkIRjGrt0LEZaTFcq+9Wc6WL5bqQxGZGlfTKq9FsA/Q:8hVNbO6krkIRjOKtJOqQkZGluqTsA

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/2824-5-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2792-14-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2792-74-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/1472-78-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2792-183-0x0000000000400000-0x0000000000445000-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"	e910f5392c8f57eb2e97997450f8aa1c_JaffaCakes118.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2792-2-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2824-5-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2824-6-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2792-14-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2792-74-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/1472-76-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/1472-78-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2792-183-0x0000000000400000-0x0000000000445000-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	e910f5392c8f57eb2e97997450f8aa1c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e910f5392c8f57eb2e97997450f8aa1c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e910f5392c8f57eb2e97997450f8aa1c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2792 wrote to memory of 2824	2792	e910f5392c8f57eb2e97997450f8aa1c_JaffaCakes118.exe	30
PID 2792 wrote to memory of 2824	2792	e910f5392c8f57eb2e97997450f8aa1c_JaffaCakes118.exe	30
PID 2792 wrote to memory of 2824	2792	e910f5392c8f57eb2e97997450f8aa1c_JaffaCakes118.exe	30
PID 2792 wrote to memory of 2824	2792	e910f5392c8f57eb2e97997450f8aa1c_JaffaCakes118.exe	30
PID 2792 wrote to memory of 1472	2792	e910f5392c8f57eb2e97997450f8aa1c_JaffaCakes118.exe	32
PID 2792 wrote to memory of 1472	2792	e910f5392c8f57eb2e97997450f8aa1c_JaffaCakes118.exe	32
PID 2792 wrote to memory of 1472	2792	e910f5392c8f57eb2e97997450f8aa1c_JaffaCakes118.exe	32
PID 2792 wrote to memory of 1472	2792	e910f5392c8f57eb2e97997450f8aa1c_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\e910f5392c8f57eb2e97997450f8aa1c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e910f5392c8f57eb2e97997450f8aa1c_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2792
- C:\Users\Admin\AppData\Local\Temp\e910f5392c8f57eb2e97997450f8aa1c_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\e910f5392c8f57eb2e97997450f8aa1c_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2824
- C:\Users\Admin\AppData\Local\Temp\e910f5392c8f57eb2e97997450f8aa1c_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\e910f5392c8f57eb2e97997450f8aa1c_JaffaCakes118.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1472

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\17DA.9C6

Filesize
1KB

MD5
68047e3458ab0cde78d76f116f7bc87e

SHA1
5d12cca2b351ba040a9bc8e393fa2cc2ccbd8ba6

SHA256
4d4f6ad340278498d5cb99408178b429dbafa433efd0bd4a61121b5fbcb43f5f

SHA512
ba9068b3305b92f887c83e4fd7f0e512099ccbca2cf265a6e82623c8b9b5a4a9148824d34ec56e6dd8e411ef5ac83287356400518f704317a96edd9884539602

Download Submit
C:\Users\Admin\AppData\Roaming\17DA.9C6

Filesize
600B

MD5
98c86d4f55f5b6f8a76a165548a03582

SHA1
a16b8a989220368fd1c3bd7bea95b3ef37f4395a

SHA256
cbb3cba79657a0f92c671fb0fc868edae3b20872c888a75cb89fae6a6489742a

SHA512
d8ac091f8c82d51aaaa9224bf45b3b9d438fe60762e639931f3109afeeb8f9a8ef3401b4eed508694b2dbc8e3a2423f43d317009636532925f480017411513e1

Download Submit
C:\Users\Admin\AppData\Roaming\17DA.9C6

Filesize
996B

MD5
fe3c45656ef5fcb3bafbb194a68e3a05

SHA1
927133170b960fdc4eec281a57b3da3f944212c8

SHA256
ae1031e97f1a39006c24316162b2a3f583151308f2feee40fd2433c06a2dacc9

SHA512
3e1c2251916ea0ae74f8eb5e8bec95478209e23847d4108223606e764c36409e739bcdb413e11732dc2887e9d85d89fc463218485e8286b1467d3dbd19f58999

Download Submit
memory/1472-76-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/1472-78-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2792-1-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2792-2-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2792-14-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2792-74-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2792-183-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2824-5-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2824-6-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads