cycbot | b8417527766e5b64a490cafb0105e6df80dcea8a9c2dca88ce2fcc79a703724a

General

Target

de74448b4a398e9df200dcfdc2c6f7e5_JaffaCakes118.exe
Size

201KB
MD5

de74448b4a398e9df200dcfdc2c6f7e5
SHA1

1065fe6f58880976cfeab0e57d9f35de587a54e4
SHA256

b8417527766e5b64a490cafb0105e6df80dcea8a9c2dca88ce2fcc79a703724a
SHA512

0591178849d17f12227eea866cff806a91fae6ec8cca45fcd45aa51d89aed6adf2c9c3bf8f0b61d92156ef66b0ecf41b5d88c19cb75548bb770826ad46254517
SSDEEP

3072:ptZBDetdPfnhv7o4CbWnHcU3zbjgUznaBVrEOKQz6Mq3TlMg2agNFGvynNE1HJSg:ptZBDebfnhjJfDgUzSEetg2agKveUQF

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 4 IoCs

Cycbot is a backdoor and trojan written in C++.

resource	yara_rule
behavioral1/memory/1740-5-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot
behavioral1/memory/2504-12-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot
behavioral1/memory/2192-78-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot
behavioral1/memory/2504-168-0x0000000000400000-0x000000000044D000-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 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2504-2-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/1740-5-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2504-12-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2192-78-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2504-168-0x0000000000400000-0x000000000044D000-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	de74448b4a398e9df200dcfdc2c6f7e5_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	de74448b4a398e9df200dcfdc2c6f7e5_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	de74448b4a398e9df200dcfdc2c6f7e5_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 1740	2504	de74448b4a398e9df200dcfdc2c6f7e5_JaffaCakes118.exe	31
PID 2504 wrote to memory of 1740	2504	de74448b4a398e9df200dcfdc2c6f7e5_JaffaCakes118.exe	31
PID 2504 wrote to memory of 1740	2504	de74448b4a398e9df200dcfdc2c6f7e5_JaffaCakes118.exe	31
PID 2504 wrote to memory of 1740	2504	de74448b4a398e9df200dcfdc2c6f7e5_JaffaCakes118.exe	31
PID 2504 wrote to memory of 2192	2504	de74448b4a398e9df200dcfdc2c6f7e5_JaffaCakes118.exe	33
PID 2504 wrote to memory of 2192	2504	de74448b4a398e9df200dcfdc2c6f7e5_JaffaCakes118.exe	33
PID 2504 wrote to memory of 2192	2504	de74448b4a398e9df200dcfdc2c6f7e5_JaffaCakes118.exe	33
PID 2504 wrote to memory of 2192	2504	de74448b4a398e9df200dcfdc2c6f7e5_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\de74448b4a398e9df200dcfdc2c6f7e5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\de74448b4a398e9df200dcfdc2c6f7e5_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2504
- C:\Users\Admin\AppData\Local\Temp\de74448b4a398e9df200dcfdc2c6f7e5_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\de74448b4a398e9df200dcfdc2c6f7e5_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1740
- C:\Users\Admin\AppData\Local\Temp\de74448b4a398e9df200dcfdc2c6f7e5_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\de74448b4a398e9df200dcfdc2c6f7e5_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2192

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\1FD6.EB2

Filesize
1KB

MD5
d88490002a91235ca412d4a15d136e3a

SHA1
adb79c01f03740278d72d2298e2164d5098dbf0c

SHA256
95f385d1cfa6dbae6f0bd38d48374537cf4f19ccbcc2b148a0138099906e5c57

SHA512
262ae8babc77e8c9a6137a057cd5b40d9c729922cfcea6b2a5be8350ae10bf7d646bf5c6ba491fa5021bce33d07c0c99f7cb9bd98bea308875ad198ef3f1db02

Download Submit
C:\Users\Admin\AppData\Roaming\1FD6.EB2

Filesize
600B

MD5
e49874dadf21c071163b0d0aa7c0170c

SHA1
7346aba8dc5b2f2f53b3cdfa6c52dea984f8a3b3

SHA256
21e86468d221d534b35b2bc982b979c9267ed750e4a95d508bfcc00c61ec8489

SHA512
efdb4407b5c0ea6daaea3da93bad3092e9241ba286d57f1c8495f44e5cdf02cbab579d05ae8dc4c36423cc2609998d5c627472d818d622558461d1f95561bd8e

Download Submit
C:\Users\Admin\AppData\Roaming\1FD6.EB2

Filesize
996B

MD5
cc831d3dd9f663401acae75e5796ffe1

SHA1
8ab02aedbffef667dc64d01d15003c7cd203e4e8

SHA256
a04832cb0288a05edf98d134ff79679bcf72eb93932dda5fd388c68e0f293b64

SHA512
852d4ccbd91d5d9996efc783e7733875fe74b0cadbf1db8c05e41b3c59f2c71dbf83f5429dfb143b1b1c70cafa8c61e010287b7251a1744f549f0925831705f2

Download Submit
memory/1740-5-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2192-78-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2504-2-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2504-1-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2504-12-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2504-168-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download

Analysis

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