cycbot | 4cc039adfbacf1c0a30b8f6a5d08ad372c187d7a836455197b2c5870e3e4b0ae

General

Target

JaffaCakes118_0e0ac0f1e5b392d635d34bc3369ee155.exe
Size

185KB
MD5

0e0ac0f1e5b392d635d34bc3369ee155
SHA1

70ce8250d0da2bfa5a0ca44d54083269256434ba
SHA256

4cc039adfbacf1c0a30b8f6a5d08ad372c187d7a836455197b2c5870e3e4b0ae
SHA512

9463f39e904800de50eaa2f86f29ed580209ed589cea0fe61a3fa896b64b51d9238ddf46ceaa94686aa0f938bb59df81079cde999517c5700b2a89ec0bbb4756
SSDEEP

3072:I1HoHq842/wG+HZHV5VQ217AP04by0aF3FRnXk3fjf6pitrFar:I1Mzwx5tQ217Az+RFV9X6bwizU

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/1856-15-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/1960-16-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/1960-17-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/3028-82-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/1960-181-0x0000000000400000-0x0000000000455000-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/1960-2-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1856-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1856-15-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1960-16-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/1960-17-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/3028-82-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1960-181-0x0000000000400000-0x0000000000455000-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_0e0ac0f1e5b392d635d34bc3369ee155.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_0e0ac0f1e5b392d635d34bc3369ee155.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_0e0ac0f1e5b392d635d34bc3369ee155.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1960 wrote to memory of 1856	1960	JaffaCakes118_0e0ac0f1e5b392d635d34bc3369ee155.exe	30
PID 1960 wrote to memory of 1856	1960	JaffaCakes118_0e0ac0f1e5b392d635d34bc3369ee155.exe	30
PID 1960 wrote to memory of 1856	1960	JaffaCakes118_0e0ac0f1e5b392d635d34bc3369ee155.exe	30
PID 1960 wrote to memory of 1856	1960	JaffaCakes118_0e0ac0f1e5b392d635d34bc3369ee155.exe	30
PID 1960 wrote to memory of 3028	1960	JaffaCakes118_0e0ac0f1e5b392d635d34bc3369ee155.exe	33
PID 1960 wrote to memory of 3028	1960	JaffaCakes118_0e0ac0f1e5b392d635d34bc3369ee155.exe	33
PID 1960 wrote to memory of 3028	1960	JaffaCakes118_0e0ac0f1e5b392d635d34bc3369ee155.exe	33
PID 1960 wrote to memory of 3028	1960	JaffaCakes118_0e0ac0f1e5b392d635d34bc3369ee155.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0e0ac0f1e5b392d635d34bc3369ee155.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0e0ac0f1e5b392d635d34bc3369ee155.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1960
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0e0ac0f1e5b392d635d34bc3369ee155.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0e0ac0f1e5b392d635d34bc3369ee155.exe startC:\Program Files (x86)\LP\1A9F\EC6.exe%C:\Program Files (x86)\LP\1A9F
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1856
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0e0ac0f1e5b392d635d34bc3369ee155.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0e0ac0f1e5b392d635d34bc3369ee155.exe startC:\Users\Admin\AppData\Roaming\F3AA0\B643D.exe%C:\Users\Admin\AppData\Roaming\F3AA0
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3028

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\F3AA0\02F8.3AA

Filesize
1KB

MD5
e473422386af36ec27bb545fde3d83c5

SHA1
1c7ba730e3e6af2d9f97c9ef755eec556015221b

SHA256
c5fb008300aeb128ab128bf32a426d168a174e42b9b0d64ae51020fe1b27e199

SHA512
aa0a164e9c63a393923b4e4198f7b149f53c1040f0e6dc3057d01c6266a5b8a93ec4c274673ac6150b5659f4a85996340aa5b4ca6fe0e2b673fae6466b0ef4e3

Download Submit
C:\Users\Admin\AppData\Roaming\F3AA0\02F8.3AA

Filesize
600B

MD5
3991d84725195f367585c6d59a6aed1a

SHA1
bbc93060a85f0d58e921ed3ba3cc72c827786054

SHA256
c1a4d58ca4cd8bcaa23eeef936942578d382ba1e31429738ba7862c0fe3e3d69

SHA512
c734b2aeaa85b1695b1fc9ca4dc34c8cabb194a02e0bb4ab4a9474588194b60af881e07a13eb2c2fca360a4e5f840a499a1a70ecb9ce573b135dcb567ff646f0

Download Submit
C:\Users\Admin\AppData\Roaming\F3AA0\02F8.3AA

Filesize
996B

MD5
fbad12bc7d053a02f12f45acbff962bb

SHA1
7dcb915ab0696abb81964fb84e3c3de440d14914

SHA256
9e44c8a6bfe875680d9679fe3139ba2e03fa5734f063949416be5e7ce19f056a

SHA512
212479786e02fa0868eee8f50e5148665e24ec74e4937090630c14b755aabb1bd0f393bd5fa9d98aa801fddb79d2667f254af5ef38c7185173612b7f6793b41c

Download Submit
memory/1856-12-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1856-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1856-15-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1960-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1960-2-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1960-16-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1960-17-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1960-181-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3028-82-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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