cycbot | ea3e5154ebb15ac2e84efd334079b6bb1381abbe5213b7063891ec90e812b904

General

Target

edb35159d02da0f399b46f440049e832_JaffaCakes118.exe
Size

187KB
MD5

edb35159d02da0f399b46f440049e832
SHA1

3294f666821655b0e022f3f4f76046613cbdb1c9
SHA256

ea3e5154ebb15ac2e84efd334079b6bb1381abbe5213b7063891ec90e812b904
SHA512

0e145c8456f7a73453f1b0791360f6d03fa6de47994d61e3d0163250bbbc70b18d8b0057ea0251880e12a5a733caf11058ee845760a6fbacee516c78e17b1ecd
SSDEEP

3072:YljbNj6qWEz2fIxpF26iUIjmDvTD6mFxd7ondoLLYCUf4LqN8YlCW:ovNXFivjmDrp7VYCUf4mB

Score

10^/10

cycbot backdoor discovery persistence 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/268-8-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2872-16-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2872-77-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2812-80-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2872-186-0x0000000000400000-0x0000000000445000-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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\conhost = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\conhost.exe"	edb35159d02da0f399b46f440049e832_JaffaCakes118.exe

UPX packed file 9 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2872-2-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/268-6-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/268-8-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/268-5-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2872-16-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2872-77-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2812-79-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2812-80-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2872-186-0x0000000000400000-0x0000000000445000-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	edb35159d02da0f399b46f440049e832_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	edb35159d02da0f399b46f440049e832_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	edb35159d02da0f399b46f440049e832_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2872 wrote to memory of 268	2872	edb35159d02da0f399b46f440049e832_JaffaCakes118.exe	28
PID 2872 wrote to memory of 268	2872	edb35159d02da0f399b46f440049e832_JaffaCakes118.exe	28
PID 2872 wrote to memory of 268	2872	edb35159d02da0f399b46f440049e832_JaffaCakes118.exe	28
PID 2872 wrote to memory of 268	2872	edb35159d02da0f399b46f440049e832_JaffaCakes118.exe	28
PID 2872 wrote to memory of 2812	2872	edb35159d02da0f399b46f440049e832_JaffaCakes118.exe	30
PID 2872 wrote to memory of 2812	2872	edb35159d02da0f399b46f440049e832_JaffaCakes118.exe	30
PID 2872 wrote to memory of 2812	2872	edb35159d02da0f399b46f440049e832_JaffaCakes118.exe	30
PID 2872 wrote to memory of 2812	2872	edb35159d02da0f399b46f440049e832_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\edb35159d02da0f399b46f440049e832_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\edb35159d02da0f399b46f440049e832_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2872
- C:\Users\Admin\AppData\Local\Temp\edb35159d02da0f399b46f440049e832_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\edb35159d02da0f399b46f440049e832_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:268
- C:\Users\Admin\AppData\Local\Temp\edb35159d02da0f399b46f440049e832_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\edb35159d02da0f399b46f440049e832_JaffaCakes118.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2812

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

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

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Downloads

C:\Users\Admin\AppData\Roaming\70CC.F3D

Filesize
1KB

MD5
06b1779259b476ab6489328ec83a7dec

SHA1
714da3163e6857b4ad74bb5993fd73aca50a9b2a

SHA256
5ad2f226482f7df37960f3c65867fc0ce8f14ad75002f5fecfc25e4d328908fa

SHA512
1caffa09d8d666d906a13a8db9f4f1b28f84d860ecc1e88223f1e48e0b1e26abc5e786f0a55ba0c9109aa38a398253305bf8131f1b82dfaf4e63a1acc6eda4b4

Download Submit
C:\Users\Admin\AppData\Roaming\70CC.F3D

Filesize
600B

MD5
19fa4a4561bcda50fb2c136cf34ff221

SHA1
30431cdb5e046acac2b9ca85a67547866b5ee875

SHA256
0f107911498f62fb2fe5cc02167b7526306996b474dc60d65ff381ff1c97d7a2

SHA512
aea850ce97329f4502b0e823e025f088d10723145afd1bb41f3e1fde587a6d7c21de2e580a360935a3454426005c414af9b48b8dde1eabef69abcf20aa574a34

Download Submit
C:\Users\Admin\AppData\Roaming\70CC.F3D

Filesize
996B

MD5
06cd5a8174e02d1c149c1fe110929c19

SHA1
30cc39c358fa8cd8579ea483217bba681d64a2e4

SHA256
6b5200e8e8d0688f15a2431ab05c9c21775ee3edc82f4ab60dc005c0f4d53ed3

SHA512
103afc5666f9a879b3566347befad350e72bc375cfd69cc6b4445f57488110f9ab2b7a6bd4f6b920197dad7aa67b6f62728a02ef399db61125f4145e8817164c

Download Submit
memory/268-8-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/268-5-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/268-6-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2812-79-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2812-80-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2872-16-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2872-2-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2872-77-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2872-1-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2872-186-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads