cycbot | 0c8a14aac10761f9c283e4da4aef62dba8697880f8b7a8ce9f47e0db325cb9ef

General

Target

JaffaCakes118_76a98fad0616b23e1e3778ad0996856c.exe
Size

182KB
MD5

76a98fad0616b23e1e3778ad0996856c
SHA1

220d7c7a04ff044dc91b5987c525b76fd075d371
SHA256

0c8a14aac10761f9c283e4da4aef62dba8697880f8b7a8ce9f47e0db325cb9ef
SHA512

444850c009dcc22b2497f412e1da8769c11b0db31d7a95332e813222cff002aa96c96d93a5dbcad97e5a632fc33f7038ccd18d3d07352258999e4756d15c9111
SSDEEP

3072:9FBieHSOEbGyGb4gxhVS1z8Q3h5v5ZzcYH4jbJ4O13bddkXjjWF9FMt58r2:fFkGyIxh2z8Gl5Zzc9jbJ4ODKXnWGz

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 4 IoCs

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

resource	yara_rule
behavioral1/memory/1212-14-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/2444-15-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/1372-93-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/2444-192-0x0000000000400000-0x000000000044E000-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/2444-2-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/1212-13-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/1212-14-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2444-15-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/1372-91-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/1372-93-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2444-192-0x0000000000400000-0x000000000044E000-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_76a98fad0616b23e1e3778ad0996856c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_76a98fad0616b23e1e3778ad0996856c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_76a98fad0616b23e1e3778ad0996856c.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2444 wrote to memory of 1212	2444	JaffaCakes118_76a98fad0616b23e1e3778ad0996856c.exe	30
PID 2444 wrote to memory of 1212	2444	JaffaCakes118_76a98fad0616b23e1e3778ad0996856c.exe	30
PID 2444 wrote to memory of 1212	2444	JaffaCakes118_76a98fad0616b23e1e3778ad0996856c.exe	30
PID 2444 wrote to memory of 1212	2444	JaffaCakes118_76a98fad0616b23e1e3778ad0996856c.exe	30
PID 2444 wrote to memory of 1372	2444	JaffaCakes118_76a98fad0616b23e1e3778ad0996856c.exe	33
PID 2444 wrote to memory of 1372	2444	JaffaCakes118_76a98fad0616b23e1e3778ad0996856c.exe	33
PID 2444 wrote to memory of 1372	2444	JaffaCakes118_76a98fad0616b23e1e3778ad0996856c.exe	33
PID 2444 wrote to memory of 1372	2444	JaffaCakes118_76a98fad0616b23e1e3778ad0996856c.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76a98fad0616b23e1e3778ad0996856c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76a98fad0616b23e1e3778ad0996856c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2444
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76a98fad0616b23e1e3778ad0996856c.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76a98fad0616b23e1e3778ad0996856c.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1212
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76a98fad0616b23e1e3778ad0996856c.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76a98fad0616b23e1e3778ad0996856c.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1372

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\B7DD.9BB

Filesize
1KB

MD5
63686d1a085d01fe4c7caf0ec537d222

SHA1
abc13cb9ac1e4a6e5615151ee9b6cce239d69d23

SHA256
e251202732c6a140903dec3232ea35415bcfcc3fac3e01bd667ed005b73b0b58

SHA512
534ed77a89b50171f39fa495c5189b23a502c94bbd1345a66a66d9d5404663b241dfa6838a25d3570bb73683e37e2097bbd85d7eed6a305f15cbaa87a4135ad5

Download Submit
C:\Users\Admin\AppData\Roaming\B7DD.9BB

Filesize
600B

MD5
cabf90d9155455d9c0c91aa513b3adf8

SHA1
4fa96c0966a49d7fc997042f35545854a23dfafa

SHA256
a45e885a2877c0db51d03301eb8426c6b8acbae9c76f8da5d0df8f287d7cd847

SHA512
c30999df4cc9a709eea9f7e94dde128d84b59da1cdc1621e3d36fc07d63b6f97814d0ffd52548c8132a175adfd0f0072ac38af54bb9c5903381be7d1662f8b0e

Download Submit
C:\Users\Admin\AppData\Roaming\B7DD.9BB

Filesize
996B

MD5
340866b40bed151790ad16af80832947

SHA1
4ccfeb2d11567d1afe57ddacb4e7b7f2b67b41a7

SHA256
64dcbe03d106c385fdf8bf2ece1b2235ed6c4bf45cc99b70aa9f99524a9b7bfa

SHA512
52f2a405e7e89982c581f1964806ceae4c9502f1cb75e748083747687ebaa5b6670e791e0061c08028a2fe1a004977acbb0dc89f4a27f13d31c1e78da8ee1ec0

Download Submit
memory/1212-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1212-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1372-91-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1372-93-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2444-1-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2444-2-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2444-15-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2444-192-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

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