cycbot | 106c9788b44d9566a95c7a2a273495fe20e60b4bca8e4b5f114763388d47dfe8

General

Target

JaffaCakes118_785483038efcd32b3be7758ad35ea82c.exe
Size

172KB
MD5

785483038efcd32b3be7758ad35ea82c
SHA1

0543845b921d1b4f34c26c730831f8a9732563b2
SHA256

106c9788b44d9566a95c7a2a273495fe20e60b4bca8e4b5f114763388d47dfe8
SHA512

9877dc7a8d8aea12b8253b60fbc629adbf52899bc682c150f73fc51f070ffc76413e52a22c18e2f9d6b860e0b5daa0d969b8de329e1edcd21a6b8eee0a6fadde
SSDEEP

3072:97p4RD9L54Gj+Zz/RKQq3niuwI0UD1U4w7ejvTYxD/PcLJWA:RS19yxVpKQ6z1U4w8TYxzH

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/2736-13-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2876-15-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2924-79-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2876-80-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2876-187-0x0000000000400000-0x0000000000445000-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"	JaffaCakes118_785483038efcd32b3be7758ad35ea82c.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2876-2-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2736-13-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2876-15-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2924-79-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2924-78-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2876-80-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2876-187-0x0000000000400000-0x0000000000445000-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	JaffaCakes118_785483038efcd32b3be7758ad35ea82c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_785483038efcd32b3be7758ad35ea82c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_785483038efcd32b3be7758ad35ea82c.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2876 wrote to memory of 2736	2876	JaffaCakes118_785483038efcd32b3be7758ad35ea82c.exe	30
PID 2876 wrote to memory of 2736	2876	JaffaCakes118_785483038efcd32b3be7758ad35ea82c.exe	30
PID 2876 wrote to memory of 2736	2876	JaffaCakes118_785483038efcd32b3be7758ad35ea82c.exe	30
PID 2876 wrote to memory of 2736	2876	JaffaCakes118_785483038efcd32b3be7758ad35ea82c.exe	30
PID 2876 wrote to memory of 2924	2876	JaffaCakes118_785483038efcd32b3be7758ad35ea82c.exe	32
PID 2876 wrote to memory of 2924	2876	JaffaCakes118_785483038efcd32b3be7758ad35ea82c.exe	32
PID 2876 wrote to memory of 2924	2876	JaffaCakes118_785483038efcd32b3be7758ad35ea82c.exe	32
PID 2876 wrote to memory of 2924	2876	JaffaCakes118_785483038efcd32b3be7758ad35ea82c.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_785483038efcd32b3be7758ad35ea82c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_785483038efcd32b3be7758ad35ea82c.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2876
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_785483038efcd32b3be7758ad35ea82c.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_785483038efcd32b3be7758ad35ea82c.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2736
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_785483038efcd32b3be7758ad35ea82c.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_785483038efcd32b3be7758ad35ea82c.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2924

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\D02C.7EC

Filesize
1KB

MD5
8bcaacea9669bdff7d485813428db217

SHA1
1cd94254b827a5999b14a31d8a0b8be530387dc4

SHA256
9b2e06a5d23af1ac65f940949f97ef769a8a6d38ba32e13349653cc85bcd18a8

SHA512
37dc2f7287dc1328a563817f8e43fd88d4b1b23cc2b5397ac0cf4ec952ecc9e36d193ebdcb0910d3fd453b72864515b6379f6f63ccaec3392f01194022ebec85

Download Submit
C:\Users\Admin\AppData\Roaming\D02C.7EC

Filesize
600B

MD5
235e2c89ebd20e9da22f46ac47fe9b6c

SHA1
3f9eb3afebb0125c331225b150fb7fab02b22eda

SHA256
0ae96c17f2b24b121a69b775d226b8a85c7afef243b477f386951723a04faf5a

SHA512
af5c3630ffabfb4e02cf8ee9407e82ec928165ffee2a32409e943938eeb6d836e4b8f3dcffe24db54068e229e2cdc72f245453864bf3dbc587b07f44b1a8a494

Download Submit
C:\Users\Admin\AppData\Roaming\D02C.7EC

Filesize
996B

MD5
b6b4d8681fc61db8825672bad728ca18

SHA1
9e09dcd588f916eede8808d8fda5b999c16cb3c9

SHA256
b3075f81f7451392149bd86b45b57a5223297652be879425c7addcdb1052db8e

SHA512
1e51871fb52a62e44e5027881728a9e0d158d136c3d73b7a43a7722e1266e94a70ac09bbe1506c0face2f80db60becff7f33c87172f332ff269ad9dfe8234e44

Download Submit
memory/2736-14-0x0000000000525000-0x000000000053F000-memory.dmp

Filesize
104KB

Download
memory/2736-11-0x00000000004E0000-0x00000000005E0000-memory.dmp

Filesize
1024KB

Download
memory/2736-13-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2876-15-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2876-1-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2876-80-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2876-2-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2876-187-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2924-79-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2924-78-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2924-76-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads