cycbot | 647a18f570d05bf304a2f752aa3e46bac57a3b1aa05605976a630ec542b6680d

General

Target

JaffaCakes118_20cbec00156786bbb8f3505ec451c712.exe
Size

185KB
MD5

20cbec00156786bbb8f3505ec451c712
SHA1

13a4677960eb7011c4549b1747375658047e94e6
SHA256

647a18f570d05bf304a2f752aa3e46bac57a3b1aa05605976a630ec542b6680d
SHA512

24a4262aec82fd45736c62944d30097ea8a65cafb47155053a4606afadf6d9578a487811a5735e2d6ae7df81a39a2156f0984cb4f2907d9212f3a265da16a92c
SSDEEP

3072:PiWikRz6onQKh4NvWwqNoFrjpb3gh1gbuPBbi7sQVyugC9lZvRiSNy15cg+3g2LX:PXJ6iQ6KWsx2SuPBbi7lOC9fZiSq5m3f

Score

10^/10

cycbot backdoor discovery 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/2544-14-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2112-15-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/2112-16-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/832-85-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2112-184-0x0000000000400000-0x0000000000455000-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

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2112-2-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2544-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2544-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2112-15-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/2112-16-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/832-85-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2112-184-0x0000000000400000-0x0000000000455000-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_20cbec00156786bbb8f3505ec451c712.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_20cbec00156786bbb8f3505ec451c712.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_20cbec00156786bbb8f3505ec451c712.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 2544	2112	JaffaCakes118_20cbec00156786bbb8f3505ec451c712.exe	30
PID 2112 wrote to memory of 2544	2112	JaffaCakes118_20cbec00156786bbb8f3505ec451c712.exe	30
PID 2112 wrote to memory of 2544	2112	JaffaCakes118_20cbec00156786bbb8f3505ec451c712.exe	30
PID 2112 wrote to memory of 2544	2112	JaffaCakes118_20cbec00156786bbb8f3505ec451c712.exe	30
PID 2112 wrote to memory of 832	2112	JaffaCakes118_20cbec00156786bbb8f3505ec451c712.exe	33
PID 2112 wrote to memory of 832	2112	JaffaCakes118_20cbec00156786bbb8f3505ec451c712.exe	33
PID 2112 wrote to memory of 832	2112	JaffaCakes118_20cbec00156786bbb8f3505ec451c712.exe	33
PID 2112 wrote to memory of 832	2112	JaffaCakes118_20cbec00156786bbb8f3505ec451c712.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_20cbec00156786bbb8f3505ec451c712.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_20cbec00156786bbb8f3505ec451c712.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_20cbec00156786bbb8f3505ec451c712.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_20cbec00156786bbb8f3505ec451c712.exe startC:\Program Files (x86)\LP\EA39\CDF.exe%C:\Program Files (x86)\LP\EA39
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2544
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_20cbec00156786bbb8f3505ec451c712.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_20cbec00156786bbb8f3505ec451c712.exe startC:\Users\Admin\AppData\Roaming\97B3D\D243D.exe%C:\Users\Admin\AppData\Roaming\97B3D
  2⤵
  - System Location Discovery: System Language Discovery
  PID:832

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\97B3D\D0FB.7B3

Filesize
1KB

MD5
f1d8b68a50404f164b2ae1ccac48c05e

SHA1
4a9fde964b37fc19835024b7daea2b02ce6ef0d7

SHA256
f30b0f61f61446792189da973b69b6a3d1c719ca924cfd240b8ae45796e97a2f

SHA512
2b455f616e99cbfe107b29dde53230aa9e4c2d95f3027bcce2c8e492f7597092cef6504b14bd81ee3f0187214778cc5bc4a72725ea6d9160a2073115d0026ad3

Download Submit
C:\Users\Admin\AppData\Roaming\97B3D\D0FB.7B3

Filesize
600B

MD5
86f4031f161e7386f90511b4eb7af336

SHA1
1031e4ae24c83a0e0392a97c571576ce55b91566

SHA256
fb25ab81f781ebec6acbc178e1de5273d79a95583ec5a9b1ab02bfd0bc1924bf

SHA512
1a36f427f205fc4f6bee2a3d5756635911ba0e95f860988edb73c3639e76242de0fedc874e8bf41e4ffd9c84f8e038f3ab5d7df6fbea9d6ef99391985b9df506

Download Submit
C:\Users\Admin\AppData\Roaming\97B3D\D0FB.7B3

Filesize
996B

MD5
c05500d732e1c29786bf0be805095ff2

SHA1
67a855f38be21983920eb0f81807a675af3f6c17

SHA256
87eee6502d03474739c1f5bfce495c1543ebb36973c7e86edf55dc9850d2b53f

SHA512
757511c25651685b2cc071346fd6400484cff52ecec39d5dc09230eb9662d12116c5858ee6b47a639dd3389d6d14212172f58d8ad9eb3a82417612a5ff1aca24

Download Submit
memory/832-85-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2112-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2112-2-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2112-15-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2112-16-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2112-184-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2544-12-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2544-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2544-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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