cycbot | 862a5b766c2441711a4234ce484686232b7e2603d19acbc1ba78cba59209e18b

General

Target

e31365389f5f5e141fb10ce51a6ffa52_JaffaCakes118.exe
Size

189KB
MD5

e31365389f5f5e141fb10ce51a6ffa52
SHA1

5e1ea0e56b37258753beb96c08b6c41600a61150
SHA256

862a5b766c2441711a4234ce484686232b7e2603d19acbc1ba78cba59209e18b
SHA512

a9dac40f4633a9d1567ef9e28f929df19c0d6aeabca99c7bb1393fd1a02c28ef38f1c249b5ba539cb2f980fe91a41cbb0092db9cad2139b651ed17804f451a83
SSDEEP

3072:0NajUUQ5axqHGocYFZY0a0NjFI/xJ8hlUHcHJeMxKY/:asiG6TYKN+v8MYX/

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/2208-13-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2748-14-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2748-15-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/1716-116-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2748-279-0x0000000000400000-0x0000000000455000-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/2748-2-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2208-12-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2208-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2748-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2748-15-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/1716-116-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2748-279-0x0000000000400000-0x0000000000455000-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	e31365389f5f5e141fb10ce51a6ffa52_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2748 wrote to memory of 2208	2748	e31365389f5f5e141fb10ce51a6ffa52_JaffaCakes118.exe	30
PID 2748 wrote to memory of 2208	2748	e31365389f5f5e141fb10ce51a6ffa52_JaffaCakes118.exe	30
PID 2748 wrote to memory of 2208	2748	e31365389f5f5e141fb10ce51a6ffa52_JaffaCakes118.exe	30
PID 2748 wrote to memory of 2208	2748	e31365389f5f5e141fb10ce51a6ffa52_JaffaCakes118.exe	30
PID 2748 wrote to memory of 1716	2748	e31365389f5f5e141fb10ce51a6ffa52_JaffaCakes118.exe	32
PID 2748 wrote to memory of 1716	2748	e31365389f5f5e141fb10ce51a6ffa52_JaffaCakes118.exe	32
PID 2748 wrote to memory of 1716	2748	e31365389f5f5e141fb10ce51a6ffa52_JaffaCakes118.exe	32
PID 2748 wrote to memory of 1716	2748	e31365389f5f5e141fb10ce51a6ffa52_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\e31365389f5f5e141fb10ce51a6ffa52_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e31365389f5f5e141fb10ce51a6ffa52_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2748
- C:\Users\Admin\AppData\Local\Temp\e31365389f5f5e141fb10ce51a6ffa52_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\e31365389f5f5e141fb10ce51a6ffa52_JaffaCakes118.exe startC:\Program Files (x86)\LP\BBA3\ADB.exe%C:\Program Files (x86)\LP\BBA3
  2⤵
  PID:2208
- C:\Users\Admin\AppData\Local\Temp\e31365389f5f5e141fb10ce51a6ffa52_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\e31365389f5f5e141fb10ce51a6ffa52_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\31BB0\222BB.exe%C:\Users\Admin\AppData\Roaming\31BB0
  2⤵
  PID:1716

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\31BB0\0C82.1BB

Filesize
996B

MD5
46c0ef7f303fab136fa5f91ea67fb095

SHA1
ec7c0793fe53ea04aa1ade63db11340a496ecc54

SHA256
471a1d65dd920944fa1585708f2898c037d57ca3d3b1a738dbdcbd908b82b623

SHA512
8f0efd963ad27b96a4632467dfff31dfb05d37c39b4bc3901f53a8bbd5cb429a9ebccfa15838516b4dda42f295e0659ae368c6e74a7e71368aad495a2dc07c0a

Download Submit
C:\Users\Admin\AppData\Roaming\31BB0\0C82.1BB

Filesize
600B

MD5
7f211e70bfeb031f2eb27abd4dba1cf0

SHA1
a38c2f3b46c6f49126a37b9ac5367b3cfa18891d

SHA256
40fbd3f962d51241f36ebc498fb427ff806040256718568048d3e856c2469b5f

SHA512
a72124a269d6f2888a488e029c1c74007f0b4be8f089ed7cc4c0ccd042ee3726f4ab651d51b99f873fe68e01fbd5b6476f3f5147b65e21570458b6224b94b5e1

Download Submit
C:\Users\Admin\AppData\Roaming\31BB0\0C82.1BB

Filesize
1KB

MD5
39188a37346834549fa41c936547917a

SHA1
4eb130eaa5f19601361ccb641e6da61d61f61c63

SHA256
809a63b5f3567ff40131583e183a027d3a84de7e668b5ad9227dc92081f99889

SHA512
9bf1eb56608c82ce0409559f72013147b0a2bfaf44994fdabbfe909ead8b0c546f80554b10ef00ab725587b689edf7365eacbdc99b51297a01eec8a2123c2a4e

Download Submit
memory/1716-116-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2208-11-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2208-12-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2208-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2748-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2748-2-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2748-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2748-15-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2748-279-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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