cycbot | 283d2334a993e01097c1c7d01e6d5a1bbd531b77cb9ed5ef4bec802055fc49a1

General

Target

JaffaCakes118_a6b6fae00bee7da928eddae33795b4d9.exe
Size

187KB
MD5

a6b6fae00bee7da928eddae33795b4d9
SHA1

dbf46ccee8a223ab8307346715d375570b42bc11
SHA256

283d2334a993e01097c1c7d01e6d5a1bbd531b77cb9ed5ef4bec802055fc49a1
SHA512

7781aba5dd8aaff9435853ced299329ea32825359309d27eebaaf7f68d3b8681eb2683d4c2c208195a265bb04fa9a84e447b7dbc853fff3b21d88e00ca9a0c58
SSDEEP

3072:TbVFc9nDbdmVniB4vegqy+fzQPRnSj/tr2SfGNxkqsm2We7ditqoVzhRtvmo0M:TCtIniBa+rYSj/52SYs0cdiIoHRl

Score

10^/10

cycbot backdoor discovery rat upx

Malware Config

Signatures

Cycbot
Cycbot is a backdoor and trojan written in C++..
backdoor rat cycbot
Cycbot family
cycbot

Detects Cycbot payload 4 IoCs

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

resource	yara_rule
behavioral2/memory/4912-10-0x0000000000400000-0x0000000000471000-memory.dmp	family_cycbot
behavioral2/memory/4604-15-0x0000000000400000-0x0000000000471000-memory.dmp	family_cycbot
behavioral2/memory/2560-89-0x0000000000400000-0x0000000000471000-memory.dmp	family_cycbot
behavioral2/memory/4604-196-0x0000000000400000-0x0000000000471000-memory.dmp	family_cycbot

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4604-2-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral2/memory/4912-8-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral2/memory/4912-10-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral2/memory/4604-15-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral2/memory/2560-89-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral2/memory/4604-196-0x0000000000400000-0x0000000000471000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 1 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_a6b6fae00bee7da928eddae33795b4d9.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4604 wrote to memory of 4912	4604	JaffaCakes118_a6b6fae00bee7da928eddae33795b4d9.exe	81
PID 4604 wrote to memory of 4912	4604	JaffaCakes118_a6b6fae00bee7da928eddae33795b4d9.exe	81
PID 4604 wrote to memory of 4912	4604	JaffaCakes118_a6b6fae00bee7da928eddae33795b4d9.exe	81
PID 4604 wrote to memory of 2560	4604	JaffaCakes118_a6b6fae00bee7da928eddae33795b4d9.exe	83
PID 4604 wrote to memory of 2560	4604	JaffaCakes118_a6b6fae00bee7da928eddae33795b4d9.exe	83
PID 4604 wrote to memory of 2560	4604	JaffaCakes118_a6b6fae00bee7da928eddae33795b4d9.exe	83

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a6b6fae00bee7da928eddae33795b4d9.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a6b6fae00bee7da928eddae33795b4d9.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4604
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a6b6fae00bee7da928eddae33795b4d9.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a6b6fae00bee7da928eddae33795b4d9.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  PID:4912
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a6b6fae00bee7da928eddae33795b4d9.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a6b6fae00bee7da928eddae33795b4d9.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  PID:2560

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\CE12.84A

Filesize
1KB

MD5
370c851e8c84cffa34fe6e48aaf13cce

SHA1
a34843350f5fd8711a2eec849b3746d73df4aa10

SHA256
7f7d6c3d9f49dafdfeff290ebda06fa5a05b53293425d7c55ca68838078b4ad4

SHA512
8e2e15baa7453eecd167b4a6d0070faf3d6fa321ebbc75f54af514f2b08073405f81f24e8fb2ea76e0aeb9779a43b256681472658677318ce2a52bc403a61e73

Download Submit
C:\Users\Admin\AppData\Roaming\CE12.84A

Filesize
600B

MD5
5612255145427e706d6370f70ce228b0

SHA1
c750c8d092d2b135c4fb3232ba1dd9cc7e333daa

SHA256
2d2d1023ab8e3929b48bff0d33d55b0490f312ece201ce8fd28758f85a4e486b

SHA512
395fd80c091d4929ce82c8c8cfbec6202c6ce22537e77a23e7965f074e889d3479c7f82f3a57f3ddabbdb09036490249084d997941890c299f28558eec85fcdc

Download Submit
C:\Users\Admin\AppData\Roaming\CE12.84A

Filesize
996B

MD5
47adbebea09c3739ded124e2bfc6515b

SHA1
dd5cba685ad74c0c203533787457275258f83c9e

SHA256
d1a8b87bae3328b5f9f929982c3722b1e2b28e29f9a965dec7106f21a56d175c

SHA512
26865614161078dd6629174db4c59ec5207f8d5c415ea93a2663697200fb9ed2f57a0a83809906038055c349758303bfb745e45f0068d2be894e2136c7135dbe

Download Submit
memory/2560-87-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2560-89-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/4604-1-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/4604-2-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/4604-15-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/4604-196-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/4912-8-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/4912-10-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download

Analysis

Sharing