cycbot | bb9addc975dfdf9dfde3a22e8b9dbba679549961676b4e4bce26caaeefc6a304

General

Target

9576ced894b1306bb46ea64e5e3cc1b3_JaffaCakes118.exe
Size

180KB
MD5

9576ced894b1306bb46ea64e5e3cc1b3
SHA1

b0aedd64fd52a19d80df3381df1d3a2ff0fef3e9
SHA256

bb9addc975dfdf9dfde3a22e8b9dbba679549961676b4e4bce26caaeefc6a304
SHA512

a9caa0e61e5c356ef79bff9223e1db1a0a6d40690d7b59a601230c0aa2434bba90dbb7035d9e0d90ba9339e6ab79826d40f5c576c77288252119b6f40936c275
SSDEEP

3072:KEVm8FDMBRQW578SzOKdImBUdkDnnzUn0e4TZAQEjaPHEG4hJo5kLctnYZst6AZe:1NJMrdJ5dImBKckD4TKaPE3C5kLctnYn

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 6 IoCs

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

resource	yara_rule
behavioral1/memory/2812-14-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/3040-15-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/3040-16-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/1948-111-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/3040-294-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/3040-295-0x0000000000400000-0x0000000000455000-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 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3040-3-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2812-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2812-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/3040-15-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/3040-16-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/1948-110-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1948-111-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/3040-294-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/3040-295-0x0000000000400000-0x0000000000455000-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	9576ced894b1306bb46ea64e5e3cc1b3_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3040 wrote to memory of 2812	3040	9576ced894b1306bb46ea64e5e3cc1b3_JaffaCakes118.exe	31
PID 3040 wrote to memory of 2812	3040	9576ced894b1306bb46ea64e5e3cc1b3_JaffaCakes118.exe	31
PID 3040 wrote to memory of 2812	3040	9576ced894b1306bb46ea64e5e3cc1b3_JaffaCakes118.exe	31
PID 3040 wrote to memory of 2812	3040	9576ced894b1306bb46ea64e5e3cc1b3_JaffaCakes118.exe	31
PID 3040 wrote to memory of 1948	3040	9576ced894b1306bb46ea64e5e3cc1b3_JaffaCakes118.exe	33
PID 3040 wrote to memory of 1948	3040	9576ced894b1306bb46ea64e5e3cc1b3_JaffaCakes118.exe	33
PID 3040 wrote to memory of 1948	3040	9576ced894b1306bb46ea64e5e3cc1b3_JaffaCakes118.exe	33
PID 3040 wrote to memory of 1948	3040	9576ced894b1306bb46ea64e5e3cc1b3_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\9576ced894b1306bb46ea64e5e3cc1b3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9576ced894b1306bb46ea64e5e3cc1b3_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3040
- C:\Users\Admin\AppData\Local\Temp\9576ced894b1306bb46ea64e5e3cc1b3_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\9576ced894b1306bb46ea64e5e3cc1b3_JaffaCakes118.exe startC:\Program Files (x86)\LP\1DBA\A42.exe%C:\Program Files (x86)\LP\1DBA
  2⤵
  PID:2812
- C:\Users\Admin\AppData\Local\Temp\9576ced894b1306bb46ea64e5e3cc1b3_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\9576ced894b1306bb46ea64e5e3cc1b3_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\A11D4\1F41D.exe%C:\Users\Admin\AppData\Roaming\A11D4
  2⤵
  PID:1948

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\A11D4\4009.11D

Filesize
996B

MD5
070609139c94851de25e76093e59b98e

SHA1
1c58f3b7f45f82bbce2ca08964f98cd9f4fa9900

SHA256
45eab3ac7f25dda9aeb911c3b2c1ed50d6ac9019cc0401735eb0a1dab7fb41c4

SHA512
0db1a7a5667f7ca009bd46f52432d7393fc258135d5cadd44fc9b0d0f572deef8409dd0830ffd461b2d83b3e8c3d6b8567532fc53d1c337e0de0b3c1f96c03c4

Download Submit
C:\Users\Admin\AppData\Roaming\A11D4\4009.11D

Filesize
600B

MD5
764c11d9d4eed091633693307206b17f

SHA1
a33bc7ec967d3732b699a6dadbf9c4b8b937ea5b

SHA256
fa3d19d213ef4268789a62ba6c46168e9e82ce7c262c99dd25b7af662d22a9ca

SHA512
31ebc59b7e55393615519fd96a54d156762ad2df90e13012d8e3d01e0c703fd5dfea83833a9e7b158915a2efbaab3534364e981bf247bc2e818046e94bfe41e0

Download Submit
C:\Users\Admin\AppData\Roaming\A11D4\4009.11D

Filesize
1KB

MD5
ec1d156630444c1a6e5c0fb431a2fb0c

SHA1
759887064b6057993911c8b7999ae2e981621ff2

SHA256
af08e738084900c335bba50a595652983f750b3ead87e270767d4d22b2e6ed85

SHA512
3b1f205af74a22f79a62e3e2ea131471345880d9c022e29e082b4d6dbb96f77150b13004565ed3f5f29ef4eeb03a408b0066931b64cbb2e65f0594818f578071

Download Submit
memory/1948-111-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1948-110-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2812-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2812-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3040-16-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/3040-15-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3040-0-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3040-3-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3040-2-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/3040-294-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3040-295-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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