cycbot | cf6bf3538ecfcb163be8e124a73540604731b246f8d15fa4ffab184edd539b2d

General

Target

d4b92584e58e5cddd62081ab7f46bcc8_JaffaCakes118.exe
Size

186KB
MD5

d4b92584e58e5cddd62081ab7f46bcc8
SHA1

74407ca367afb0e1cdc5a1218ea97a69a30b59d0
SHA256

cf6bf3538ecfcb163be8e124a73540604731b246f8d15fa4ffab184edd539b2d
SHA512

6be0a4542def4cf1f82300c7f2fbb071918ea038f5127d26061159019b369296a8ac104181d20b50486de5fbe95ca8dc436d6bcf4e032c48f3e0aa9586e3c0ac
SSDEEP

3072:UAD1/iHffLvRJwIdlznF6A1gFMHDxVXT9nE3TVd:UAD1/gffbv1JDFOV

Score

10^/10

cycbot backdoor discovery persistence rat 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
behavioral2/memory/1636-13-0x0000000000400000-0x000000000044B000-memory.dmp	family_cycbot
behavioral2/memory/1660-14-0x0000000000400000-0x000000000044B000-memory.dmp	family_cycbot
behavioral2/memory/2132-80-0x0000000000400000-0x000000000044B000-memory.dmp	family_cycbot
behavioral2/memory/1660-81-0x0000000000400000-0x000000000044B000-memory.dmp	family_cycbot
behavioral2/memory/1660-178-0x0000000000400000-0x000000000044B000-memory.dmp	family_cycbot

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"	d4b92584e58e5cddd62081ab7f46bcc8_JaffaCakes118.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1660-2-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/1636-13-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/1660-14-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/2132-79-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/2132-80-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/1660-81-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/1660-178-0x0000000000400000-0x000000000044B000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 1 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	d4b92584e58e5cddd62081ab7f46bcc8_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1660 wrote to memory of 1636	1660	d4b92584e58e5cddd62081ab7f46bcc8_JaffaCakes118.exe	82
PID 1660 wrote to memory of 1636	1660	d4b92584e58e5cddd62081ab7f46bcc8_JaffaCakes118.exe	82
PID 1660 wrote to memory of 1636	1660	d4b92584e58e5cddd62081ab7f46bcc8_JaffaCakes118.exe	82
PID 1660 wrote to memory of 2132	1660	d4b92584e58e5cddd62081ab7f46bcc8_JaffaCakes118.exe	83
PID 1660 wrote to memory of 2132	1660	d4b92584e58e5cddd62081ab7f46bcc8_JaffaCakes118.exe	83
PID 1660 wrote to memory of 2132	1660	d4b92584e58e5cddd62081ab7f46bcc8_JaffaCakes118.exe	83

C:\Users\Admin\AppData\Local\Temp\d4b92584e58e5cddd62081ab7f46bcc8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d4b92584e58e5cddd62081ab7f46bcc8_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1660
- C:\Users\Admin\AppData\Local\Temp\d4b92584e58e5cddd62081ab7f46bcc8_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\d4b92584e58e5cddd62081ab7f46bcc8_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  PID:1636
- C:\Users\Admin\AppData\Local\Temp\d4b92584e58e5cddd62081ab7f46bcc8_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\d4b92584e58e5cddd62081ab7f46bcc8_JaffaCakes118.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  PID:2132

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

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\0E8F.F58

Filesize
1KB

MD5
ee35b4ad9b0d1c8c9315e999fd03825c

SHA1
06ce4c60d90af70d0d1b15f1a667ad712be61766

SHA256
8d4ae7c77b2c543a5f0168edd6ed3038e734c6703af8ac6327d5f95fd130d15d

SHA512
87d3a1895e2d4bbe7a3e08aaf50d78630f1dc45d363575443d52c6df32595c65a6fefddd4c9ee70775d49d96a2c87fd5165e78ccfe2bf4ccf640c079ae82911a

Download Submit
C:\Users\Admin\AppData\Roaming\0E8F.F58

Filesize
600B

MD5
c02e8ac816b0a32822388de2bea50462

SHA1
82a9f47150766f56b3738bf49e4b4ab0f5b85621

SHA256
9c44b05ca20d47828311e4efa0bedb669045d094306eb5c5f35596ddf0a0d4b6

SHA512
7efd12d1f6db9a9b6ac9993f1f8dfbe7929ecbd81d447185859bb8df928b42ddfe417a1e1ca473d9ae9395d534b264c71d671cce10d13c3c313eb1a611bfc074

Download Submit
C:\Users\Admin\AppData\Roaming\0E8F.F58

Filesize
996B

MD5
79f4139f1ceba5a81d43f13441dc67b5

SHA1
3e1d591aeb98423e2d5ec3d5b5632a488cce2a26

SHA256
8a15c3579315ef83eb79022f45ead0a59dfc2e4fad605fd1c4e073ea9eeac3af

SHA512
b87fb3e25a64e0cd551f3e684f0bdb00286f868b3b5b27f7268268e727e2041018f7b9ae1b26abb729ca8159123325993c712ce8cd8b4c6d2d83c6f3ed6da525

Download Submit
memory/1636-13-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1660-1-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1660-2-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1660-14-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1660-81-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1660-178-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2132-79-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2132-80-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads