cycbot | 0efdeac4aa358ae94edb273aa8f1b1c0dc1a35e7998863cd7a619db7dc2b4075

General

Target

JaffaCakes118_26a26648b072b369ba886bcc5f172124.exe
Size

195KB
MD5

26a26648b072b369ba886bcc5f172124
SHA1

c80dc1729ebde0ef2de4bfad3a657ab8d64213ca
SHA256

0efdeac4aa358ae94edb273aa8f1b1c0dc1a35e7998863cd7a619db7dc2b4075
SHA512

d1d5723982cc00711709b4c4ecf964f49aa2fd93ec41b7a03b66aa8959021cc33dee81002fb330f8f0ca1283ecdd465753893f00be359cf1e5c0b3a2c5645181
SSDEEP

3072:vX7W2w361byPzWmcfHEc6+KokA4O6foLSGAiOHc9kxPsCI381cY4i5:a2a61HfkL8J6Y/qxPzI381KG

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/2388-5-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/2388-7-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/2284-16-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/476-85-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/2284-192-0x0000000000400000-0x0000000000469000-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/2284-2-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/2388-5-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/2388-7-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/2284-16-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/476-85-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/476-84-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/2284-192-0x0000000000400000-0x0000000000469000-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_26a26648b072b369ba886bcc5f172124.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_26a26648b072b369ba886bcc5f172124.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_26a26648b072b369ba886bcc5f172124.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2284 wrote to memory of 2388	2284	JaffaCakes118_26a26648b072b369ba886bcc5f172124.exe	28
PID 2284 wrote to memory of 2388	2284	JaffaCakes118_26a26648b072b369ba886bcc5f172124.exe	28
PID 2284 wrote to memory of 2388	2284	JaffaCakes118_26a26648b072b369ba886bcc5f172124.exe	28
PID 2284 wrote to memory of 2388	2284	JaffaCakes118_26a26648b072b369ba886bcc5f172124.exe	28
PID 2284 wrote to memory of 476	2284	JaffaCakes118_26a26648b072b369ba886bcc5f172124.exe	30
PID 2284 wrote to memory of 476	2284	JaffaCakes118_26a26648b072b369ba886bcc5f172124.exe	30
PID 2284 wrote to memory of 476	2284	JaffaCakes118_26a26648b072b369ba886bcc5f172124.exe	30
PID 2284 wrote to memory of 476	2284	JaffaCakes118_26a26648b072b369ba886bcc5f172124.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_26a26648b072b369ba886bcc5f172124.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_26a26648b072b369ba886bcc5f172124.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2284
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_26a26648b072b369ba886bcc5f172124.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_26a26648b072b369ba886bcc5f172124.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2388
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_26a26648b072b369ba886bcc5f172124.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_26a26648b072b369ba886bcc5f172124.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:476

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\B39A.E09

Filesize
1KB

MD5
cae015f67cf6df3c86678bb2bd6b09f3

SHA1
26a40bec60b269443ed4715a853e6cab37bbb78c

SHA256
a8004508f7d6eabdb68016ae3e071c737c921e62ce164c0906450fb51225f42c

SHA512
13c4947a2566d0524c46932bef4c44f2379b8b2e7d2d023345a00d586d7abf6f4fa54691684aae762cbad7c86d9c053c669f708570f1b3243a3dd7a48bdba76e

Download Submit
C:\Users\Admin\AppData\Roaming\B39A.E09

Filesize
600B

MD5
691d9f52c7ca4e1f85acbd833f1e134c

SHA1
a17f63b45aa10df9a47b9ca68a8078eb968c67b8

SHA256
043c581dfd67405a8d265813f31d7672179fe58de3216e77892a691d0b5832d2

SHA512
20b46636c901b61f1fd05149f05ad9e99d23d7e281d1c53027a8caa03833923eef72eea76ff5edf9f1b002aa390d8e9564e35d7fec189a91c95afc3bbde425d9

Download Submit
C:\Users\Admin\AppData\Roaming\B39A.E09

Filesize
996B

MD5
1fd01e4609e50fabe60c84304186bed3

SHA1
20b1ef12b41b0c114460a9fbffe5672249402248

SHA256
093b23b432ddc5d15c97622cfebfa1b5c9b84e118e9c8b275c6f73e161668cee

SHA512
b6db7ad6bf58f579fdb9eac5f95a81fce2c560d6db6287418d87e8e01cfa6f4e19ceff5e06ebd90b84bf42cf7d5ba10ba9ed625335e226698cbf5e33322858e6

Download Submit
memory/476-85-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/476-84-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2284-1-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2284-2-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2284-16-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2284-192-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2388-5-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2388-7-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download

Analysis

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