cycbot | 034ce53a46ab2b1842f024f35dc329f13af6554b43b4d48f8099da31d64f05e6

General

Target

JaffaCakes118_6a4ccc6f08ccac75c80aed8bbf27c931.exe
Size

193KB
MD5

6a4ccc6f08ccac75c80aed8bbf27c931
SHA1

c8d55a1669ac410b95da833ca5c0eff3868fdb94
SHA256

034ce53a46ab2b1842f024f35dc329f13af6554b43b4d48f8099da31d64f05e6
SHA512

0941e765ac938bfdc58b16e962339a24c70e149187e8edd9df394fa88b6c449de3b1010ae596dba6777f01076d5c8566fbb0d97d7ebc691e509e9645a5e64b71
SSDEEP

3072:BZmsaSbrVRiQpGsc/GbfdYDPvpE52xvo14z7/853sxYAIwZSLQjrLsbu1Bt:BsQpGAfGPRq2xvoUL858xeKSE7D

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/2320-13-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2536-14-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2536-15-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/1692-128-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2536-287-0x0000000000400000-0x0000000000455000-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/2536-2-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2320-12-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2320-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2536-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2536-15-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/1692-128-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2536-287-0x0000000000400000-0x0000000000455000-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_6a4ccc6f08ccac75c80aed8bbf27c931.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6a4ccc6f08ccac75c80aed8bbf27c931.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6a4ccc6f08ccac75c80aed8bbf27c931.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 2320	2536	JaffaCakes118_6a4ccc6f08ccac75c80aed8bbf27c931.exe	30
PID 2536 wrote to memory of 2320	2536	JaffaCakes118_6a4ccc6f08ccac75c80aed8bbf27c931.exe	30
PID 2536 wrote to memory of 2320	2536	JaffaCakes118_6a4ccc6f08ccac75c80aed8bbf27c931.exe	30
PID 2536 wrote to memory of 2320	2536	JaffaCakes118_6a4ccc6f08ccac75c80aed8bbf27c931.exe	30
PID 2536 wrote to memory of 1692	2536	JaffaCakes118_6a4ccc6f08ccac75c80aed8bbf27c931.exe	33
PID 2536 wrote to memory of 1692	2536	JaffaCakes118_6a4ccc6f08ccac75c80aed8bbf27c931.exe	33
PID 2536 wrote to memory of 1692	2536	JaffaCakes118_6a4ccc6f08ccac75c80aed8bbf27c931.exe	33
PID 2536 wrote to memory of 1692	2536	JaffaCakes118_6a4ccc6f08ccac75c80aed8bbf27c931.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a4ccc6f08ccac75c80aed8bbf27c931.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a4ccc6f08ccac75c80aed8bbf27c931.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2536
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a4ccc6f08ccac75c80aed8bbf27c931.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a4ccc6f08ccac75c80aed8bbf27c931.exe startC:\Program Files (x86)\LP\B3E2\5C1.exe%C:\Program Files (x86)\LP\B3E2
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2320
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a4ccc6f08ccac75c80aed8bbf27c931.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a4ccc6f08ccac75c80aed8bbf27c931.exe startC:\Users\Admin\AppData\Roaming\21D06\85DB3.exe%C:\Users\Admin\AppData\Roaming\21D06
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1692

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\21D06\6675.1D0

Filesize
996B

MD5
8595e55a0c3d782bda23c3859314316c

SHA1
2c04ecfae6988f25a0d6e6049a0adad9c47472f5

SHA256
038687c5018bae8ac32f4db571c1458e9affdafe82e36049b78f40c1379af95a

SHA512
5d126c7c833612c237312705e4b0510670133026c4e755bf1b053091c9ef60bc5e03051074873c7aad4b3c08b514164f519bd264767cd0ce4ea0f4c9575b6d56

Download Submit
C:\Users\Admin\AppData\Roaming\21D06\6675.1D0

Filesize
600B

MD5
c02b29041787005a430984ea9ede4301

SHA1
9aeca32ecc927b06a69275c44204710c4cab1e18

SHA256
75b0834a05b05095ac0fbc0f173e535d40e050584d79a29b0bb2a7f218debdb8

SHA512
6101f5268f10d7d202f808078de65bca4622d8eff9bd1f29bb105c17fe81901d77ca4f8be2edc9545876f9217c96089aa49bf382c5e3486162a2707e2ed60db6

Download Submit
C:\Users\Admin\AppData\Roaming\21D06\6675.1D0

Filesize
1KB

MD5
ee3df0fafbcbbbbbd96154f5d6212f61

SHA1
3fca5fc742689ef07035f71d1ac139a52ee7c999

SHA256
28644c6b1ff673f19a97a46ed07ca0139db94d6df320cee87182dd6ccd7c0e1f

SHA512
517efb5b1d49e05c52e3310e507e09eec3b50fb38a7a592be022bd0bb97b313441c32002526bb981144311be6ba7bbf3e3d720bc5f3cf367590d76884004dfc7

Download Submit
memory/1692-128-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2320-11-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2320-12-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2320-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2536-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2536-2-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2536-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2536-15-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2536-287-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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