cycbot | 1df1e2601c47d80034ab65caf1b118627ea0b89439f83d55f7a1425b04c9657a

General

Target

JaffaCakes118_ab9d8676d6267c466fbc98498442392d.exe
Size

187KB
MD5

ab9d8676d6267c466fbc98498442392d
SHA1

2a0ccb91b7b87de5fcaf32c5bdb5cb3e269a45a6
SHA256

1df1e2601c47d80034ab65caf1b118627ea0b89439f83d55f7a1425b04c9657a
SHA512

23bccac7453ac366f3d7d325d8604c3c5b1eb9ac4860e07faf096f79564328634e9d10ca19dd15a9d55b293a7a41bf738e1d6aad6adfbe948eec6feff10c6c11
SSDEEP

3072:Ei5wWW0AYX9dbOKLCNh072GeTm9sZuKp2nPSqgPXWL+T5hC:Ei597diKeCa52Cth

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/2916-14-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2744-15-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2744-16-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/1652-129-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2744-284-0x0000000000400000-0x0000000000455000-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/2744-2-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2916-12-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2916-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2744-15-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2744-16-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/1652-129-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2744-284-0x0000000000400000-0x0000000000455000-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_ab9d8676d6267c466fbc98498442392d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_ab9d8676d6267c466fbc98498442392d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_ab9d8676d6267c466fbc98498442392d.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2744 wrote to memory of 2916	2744	JaffaCakes118_ab9d8676d6267c466fbc98498442392d.exe	31
PID 2744 wrote to memory of 2916	2744	JaffaCakes118_ab9d8676d6267c466fbc98498442392d.exe	31
PID 2744 wrote to memory of 2916	2744	JaffaCakes118_ab9d8676d6267c466fbc98498442392d.exe	31
PID 2744 wrote to memory of 2916	2744	JaffaCakes118_ab9d8676d6267c466fbc98498442392d.exe	31
PID 2744 wrote to memory of 1652	2744	JaffaCakes118_ab9d8676d6267c466fbc98498442392d.exe	33
PID 2744 wrote to memory of 1652	2744	JaffaCakes118_ab9d8676d6267c466fbc98498442392d.exe	33
PID 2744 wrote to memory of 1652	2744	JaffaCakes118_ab9d8676d6267c466fbc98498442392d.exe	33
PID 2744 wrote to memory of 1652	2744	JaffaCakes118_ab9d8676d6267c466fbc98498442392d.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ab9d8676d6267c466fbc98498442392d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ab9d8676d6267c466fbc98498442392d.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2744
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ab9d8676d6267c466fbc98498442392d.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ab9d8676d6267c466fbc98498442392d.exe startC:\Program Files (x86)\LP\48BD\E38.exe%C:\Program Files (x86)\LP\48BD
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2916
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ab9d8676d6267c466fbc98498442392d.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ab9d8676d6267c466fbc98498442392d.exe startC:\Users\Admin\AppData\Roaming\DF348\F5B48.exe%C:\Users\Admin\AppData\Roaming\DF348
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1652

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\DF348\8D0C.F34

Filesize
996B

MD5
fec301ebbbb635152500d4c2df453b85

SHA1
6dab471b566d0d0c1b5f034e43d31e95a7a5461a

SHA256
4792f3f096ef48b6d71b2ef1744274be576a7a598c087a2a6dc6b871fab523b4

SHA512
686a9461a97585d367d142a6f33de6d4ab9035f44584d973537a77fc8aa8663d56e0a46f5c7e365a6edb39541677caed5ecb65bd15ce3dfaf8d81d5084163df6

Download Submit
C:\Users\Admin\AppData\Roaming\DF348\8D0C.F34

Filesize
600B

MD5
cdb54bb3604fd61e0093aa520135a6c4

SHA1
e657515d967bdfc5809044165b3eec0992f1928a

SHA256
a147d6c6171b1ff6a9358aa0f410da6bc648e76f61962da5c9ec081b5b7df79d

SHA512
d4d76429eff84d89796d7589b8cfd7c3306c157463ef1a492d7078bad24b646a8101774f1696ee042138aad3b4ac51b3fb046d434e045635c8f502e50f6ed6e2

Download Submit
C:\Users\Admin\AppData\Roaming\DF348\8D0C.F34

Filesize
1KB

MD5
93a653d73a1fbaa570bb471f1b45fafc

SHA1
c8643ebbb012741a52e83b390702400d9b5bd92a

SHA256
31b320d375f6338d6b3ffd69967f444989c0b05a580df08db24357924cead640

SHA512
bc0373ce502ffd4c452d46b1e809fda3d82847d331e588f95a0d83c9b0d244e723c800d14b58eed8d12a021885833da6ebeca096ba46bbf8749fa7734014e273

Download Submit
memory/1652-129-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2744-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2744-2-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2744-15-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2744-16-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2744-284-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2916-12-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2916-11-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2916-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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