cycbot | 841ba2abe9ae03a658e08b74802eefaa5d10928954cfca3c3e51ae37a272a185

General

Target

JaffaCakes118_2a70314e3cbe1e0d104b6093737aed3b.exe
Size

188KB
MD5

2a70314e3cbe1e0d104b6093737aed3b
SHA1

434dfaba2abd0549dc36e71d93c94da0362781d3
SHA256

841ba2abe9ae03a658e08b74802eefaa5d10928954cfca3c3e51ae37a272a185
SHA512

c9e1d431d158132907f982fd71e0c5e278c8c0f473c0e940f28d8ed90d1d18af3412db1d903173f8bc8fa9307f43f3dcd06355a1848de3794b8d6e374b2139c2
SSDEEP

3072:y/59Bv2rGJQ1ylz/POFgqJheF46qL3Z3f//OoupzQfl8i9j:y/dvG40xnem6GZfexpM+u

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/2992-14-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2264-15-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2264-16-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/1684-129-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2264-300-0x0000000000400000-0x0000000000455000-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/2264-2-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2992-12-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2992-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2264-15-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2264-16-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/1684-129-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2264-300-0x0000000000400000-0x0000000000455000-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	JaffaCakes118_2a70314e3cbe1e0d104b6093737aed3b.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2264 wrote to memory of 2992	2264	JaffaCakes118_2a70314e3cbe1e0d104b6093737aed3b.exe	31
PID 2264 wrote to memory of 2992	2264	JaffaCakes118_2a70314e3cbe1e0d104b6093737aed3b.exe	31
PID 2264 wrote to memory of 2992	2264	JaffaCakes118_2a70314e3cbe1e0d104b6093737aed3b.exe	31
PID 2264 wrote to memory of 2992	2264	JaffaCakes118_2a70314e3cbe1e0d104b6093737aed3b.exe	31
PID 2264 wrote to memory of 1684	2264	JaffaCakes118_2a70314e3cbe1e0d104b6093737aed3b.exe	33
PID 2264 wrote to memory of 1684	2264	JaffaCakes118_2a70314e3cbe1e0d104b6093737aed3b.exe	33
PID 2264 wrote to memory of 1684	2264	JaffaCakes118_2a70314e3cbe1e0d104b6093737aed3b.exe	33
PID 2264 wrote to memory of 1684	2264	JaffaCakes118_2a70314e3cbe1e0d104b6093737aed3b.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2a70314e3cbe1e0d104b6093737aed3b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2a70314e3cbe1e0d104b6093737aed3b.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2264
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2a70314e3cbe1e0d104b6093737aed3b.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2a70314e3cbe1e0d104b6093737aed3b.exe startC:\Program Files (x86)\LP\BC42\455.exe%C:\Program Files (x86)\LP\BC42
  2⤵
  PID:2992
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2a70314e3cbe1e0d104b6093737aed3b.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2a70314e3cbe1e0d104b6093737aed3b.exe startC:\Users\Admin\AppData\Roaming\2B118\F18BC.exe%C:\Users\Admin\AppData\Roaming\2B118
  2⤵
  PID:1684

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\2B118\8307.B11

Filesize
996B

MD5
afa11fd0febdb98127d11675868d52dd

SHA1
8cd91e8eed86515c938431c6680f406c9d325a40

SHA256
15f57d3e1ae16705a978ea8aaabc84a8a765241f6aebee841ef5761cfe8ad5ee

SHA512
1fb3ba8365a76e76c3f865c4fe1e7a8c54f4e577c593e7a2587436380c7c6285e0be49ae639378f375d279d579bafe3ffcb700cee7d0c4ebccfca9f7489a40c5

Download Submit
C:\Users\Admin\AppData\Roaming\2B118\8307.B11

Filesize
600B

MD5
6f0721c463df1cd6a0c775848bf44812

SHA1
e16734782c7e571057d092bf051bb6d7e5ee8c4b

SHA256
670d5065fd97823ce99c39275f1ebaec2d36c7dc9a8c45f6c1f8598ca50cca80

SHA512
d827e51a3f4d2c1a0b0ba0fe39d53babcae3e8229e8741ead1be250a72a5de9e9a07a02e1f0e3042e84a8c352bac354c3924776964985e68180169e5126ffae6

Download Submit
C:\Users\Admin\AppData\Roaming\2B118\8307.B11

Filesize
1KB

MD5
4006c97e8259a6faaf8e5da131ba41b8

SHA1
be4ffb8c8d9cfbd77b2b21fdcfa80cccbe74ac52

SHA256
b56a924a10ca04ef5f1e4cf1debe36dc3dd518353f5b4c9475f6a80b7ad0fc33

SHA512
3b9fb73fd16201e81aa367e1b568fe85381fb8b9eec7439064abd25d0db7f6b4c2b555033952789e7cafcaebc1d74f1e17d1812dfbc5ad2fb0a1711e00210408

Download Submit
memory/1684-129-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2264-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2264-2-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2264-15-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2264-16-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2264-300-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2992-12-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2992-11-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2992-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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