cycbot | a70b39d12d6c991f11e2c964b4ac5e2a3c4569312624a7c4756c1a729d8273e6

General

Target

JaffaCakes118_0ef1e455fda8820f79e67f8ff600a17c.exe
Size

165KB
MD5

0ef1e455fda8820f79e67f8ff600a17c
SHA1

e1d73388cad9bb154eb7c150417ff522a1146b8e
SHA256

a70b39d12d6c991f11e2c964b4ac5e2a3c4569312624a7c4756c1a729d8273e6
SHA512

2b5626c77a327087090b4aab202b4117c5febfbc80a781badcfb910c057ad2cf9594fd1fb0d99cdeed397f1ed80a67af6acacc44db09aa91997d8e5cf5dd5c43
SSDEEP

3072:2H6itpsribe0Lazk+F9x3PGEFYweVDn7KstvyPHEOF2T:tKjad+itQnWstUkO

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/2744-8-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/2860-19-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/2928-86-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/2860-202-0x0000000000400000-0x0000000000469000-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 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2860-1-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/2744-7-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/2744-8-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/2860-19-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/2928-86-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/2860-202-0x0000000000400000-0x0000000000469000-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_0ef1e455fda8820f79e67f8ff600a17c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_0ef1e455fda8820f79e67f8ff600a17c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_0ef1e455fda8820f79e67f8ff600a17c.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2860 wrote to memory of 2744	2860	JaffaCakes118_0ef1e455fda8820f79e67f8ff600a17c.exe	30
PID 2860 wrote to memory of 2744	2860	JaffaCakes118_0ef1e455fda8820f79e67f8ff600a17c.exe	30
PID 2860 wrote to memory of 2744	2860	JaffaCakes118_0ef1e455fda8820f79e67f8ff600a17c.exe	30
PID 2860 wrote to memory of 2744	2860	JaffaCakes118_0ef1e455fda8820f79e67f8ff600a17c.exe	30
PID 2860 wrote to memory of 2928	2860	JaffaCakes118_0ef1e455fda8820f79e67f8ff600a17c.exe	32
PID 2860 wrote to memory of 2928	2860	JaffaCakes118_0ef1e455fda8820f79e67f8ff600a17c.exe	32
PID 2860 wrote to memory of 2928	2860	JaffaCakes118_0ef1e455fda8820f79e67f8ff600a17c.exe	32
PID 2860 wrote to memory of 2928	2860	JaffaCakes118_0ef1e455fda8820f79e67f8ff600a17c.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0ef1e455fda8820f79e67f8ff600a17c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0ef1e455fda8820f79e67f8ff600a17c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2860
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0ef1e455fda8820f79e67f8ff600a17c.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0ef1e455fda8820f79e67f8ff600a17c.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2744
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0ef1e455fda8820f79e67f8ff600a17c.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0ef1e455fda8820f79e67f8ff600a17c.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2928

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\2678.05A

Filesize
597B

MD5
2baa9a42a982b496fe7362814ae50d21

SHA1
7d57094b91b5a7ba959cf329c2dfff80172de79a

SHA256
ed83372d884d9931415052ed9a652ab78e501c314d72a01113db9aac7320e403

SHA512
c9a47ef6d9f69eabf83e797d0e7117f5e9afe221f222499a163d346e437aa34ea74eb67aedfe3aefcb022fe4b7fc9d6d9552b170d99fae12c0138cfee14c8171

Download Submit
C:\Users\Admin\AppData\Roaming\2678.05A

Filesize
1KB

MD5
51a44004584104f808f3e5a0c07afe43

SHA1
6f7c6539b89c0844e95aed1cc92f42ecf5d21f2d

SHA256
ea77e8628a3873214b63fdd382061be871bd525b781c8a17739274f6c1150eb0

SHA512
cb784330c7f8117fc24ba1849059d0b0014800ae64bee3f73f23225ccb4a9b008c4eaaa2ce2f55750ca176a2861cca2a4eaec747dc2565fd980fc8d118cc68f4

Download Submit
C:\Users\Admin\AppData\Roaming\2678.05A

Filesize
1KB

MD5
51fb71e18d1c47125851cb34ed93bab7

SHA1
32a8f83b5d5416f0d85554139fca0514058d00d0

SHA256
3eeb53bb12c626ad0474901053be9a2159f15a0a6731fc4acedb2685a8fd03dd

SHA512
7be0a0fde0ac4cfce56a86ad6034afd1e0de86969375f7ec1bf24da78be8f06e9c917c91974a18012b844ff80f62b85905b14d6f5357e82c66c22ce9ea94053f

Download Submit
C:\Users\Admin\AppData\Roaming\2678.05A

Filesize
897B

MD5
16fbb3e415e63b0a07291516ffa093f6

SHA1
3c50ab2d66898b7a3effa2d5f053e9f1e01b2fbe

SHA256
16b9ccf39821544ca6670452fcbcbde6e9e6fc312a22c5423e0994f7f009f541

SHA512
8317054ac192bf9b138b4c4a09e1caa378ed804c52257716414d2e1e36f7a8840cb82af5488f0e2d729feae26b2c442a775b314fc2a1dd20b1879e832c81a0d0

Download Submit
C:\Users\Admin\AppData\Roaming\2678.05A

Filesize
1KB

MD5
b5ceaeaa3c6c8c78cf27cfa3e740a6b2

SHA1
2a1daf400802dad071bc646d2347747268b96040

SHA256
19c91ad9bac1d66e5b89e6793352f2c58ef07e7254303b39f2f1d8635e8879bd

SHA512
4017b61e11bf026d9ed24827ecec1f04d50a0c178cf556bd704c3e0cc3f79fe914419812334d5eee08cfd02b3ce365c28d37c02d37c41e60b0174351b4f2f1cb

Download Submit
memory/2744-6-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2744-7-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2744-8-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2860-1-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2860-19-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2860-202-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2928-86-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download

Analysis

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