cycbot | e7b997ad7f409b43c71bbc7882189ec4ba8d09fe1d58c3e5c60526891efd50b8

General

Target

JaffaCakes118_741585b050760070c160f80d47e0b6f0.exe
Size

193KB
MD5

741585b050760070c160f80d47e0b6f0
SHA1

7a2676889475dec113f787fd6376a60653a54948
SHA256

e7b997ad7f409b43c71bbc7882189ec4ba8d09fe1d58c3e5c60526891efd50b8
SHA512

5c18111a2444a938ede2113f7251ecc689e478ed9b8d845c2c949e15e2bcb2fe83960082af30edae3dbba4302a8cadcd8b7da0fc8f7898473f2dd6e58d8d5ac9
SSDEEP

6144:Qkrv2dIUxHqmt0ZJh1pINcqJpfJNTF8oq:Qav2dRHmJhufpfJNTFRq

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/348-7-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/3068-15-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/3068-70-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2660-72-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/3068-175-0x0000000000400000-0x0000000000445000-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_741585b050760070c160f80d47e0b6f0.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3068-2-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/348-5-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/348-6-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/348-7-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/3068-15-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/3068-70-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2660-72-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/3068-175-0x0000000000400000-0x0000000000445000-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_741585b050760070c160f80d47e0b6f0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_741585b050760070c160f80d47e0b6f0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_741585b050760070c160f80d47e0b6f0.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3068 wrote to memory of 348	3068	JaffaCakes118_741585b050760070c160f80d47e0b6f0.exe	30
PID 3068 wrote to memory of 348	3068	JaffaCakes118_741585b050760070c160f80d47e0b6f0.exe	30
PID 3068 wrote to memory of 348	3068	JaffaCakes118_741585b050760070c160f80d47e0b6f0.exe	30
PID 3068 wrote to memory of 348	3068	JaffaCakes118_741585b050760070c160f80d47e0b6f0.exe	30
PID 3068 wrote to memory of 2660	3068	JaffaCakes118_741585b050760070c160f80d47e0b6f0.exe	32
PID 3068 wrote to memory of 2660	3068	JaffaCakes118_741585b050760070c160f80d47e0b6f0.exe	32
PID 3068 wrote to memory of 2660	3068	JaffaCakes118_741585b050760070c160f80d47e0b6f0.exe	32
PID 3068 wrote to memory of 2660	3068	JaffaCakes118_741585b050760070c160f80d47e0b6f0.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_741585b050760070c160f80d47e0b6f0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_741585b050760070c160f80d47e0b6f0.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3068
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_741585b050760070c160f80d47e0b6f0.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_741585b050760070c160f80d47e0b6f0.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:348
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_741585b050760070c160f80d47e0b6f0.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_741585b050760070c160f80d47e0b6f0.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2660

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\9DDB.28A

Filesize
1KB

MD5
42edec10bb12940eee8065a7bb76a1fa

SHA1
30e6ac615737b4f7ad6b4fd48db970fa40708791

SHA256
c2e85eddb09317cdeb320432f42f00781be770d7489616930e24fd01a11cb3e7

SHA512
e5b20a31ff17c97c405e3b4baebe5ded0abf12307b6c897c5bfb403658ffb9e459b2d455e67ab633cdcef1f8173a5eea58f8a0639ddc7eefeeabc314c7397924

Download Submit
C:\Users\Admin\AppData\Roaming\9DDB.28A

Filesize
1KB

MD5
fb6ddf93bd944710aed42749754c9150

SHA1
bc3b3b7b5e5b57f3f95f5f86dc8b8d8c8cd457e9

SHA256
c3a46e379c24144f46baf8573a9a336601ba19984d966d10573ff16bae76bd7a

SHA512
7260f4458cd65c93ac505c0c3bb2ba3d9c6c499ad164f111d3439a76b994b7850c6342955899e713b1e3c5b0ccf44452b7a4c4eeeb442c304cebdbc7be573904

Download Submit
C:\Users\Admin\AppData\Roaming\9DDB.28A

Filesize
600B

MD5
8169b51fdba323a1eaeb667d5e340a04

SHA1
d77e23f411d3c7111fa00fc1888d471e5407a222

SHA256
bf9e44827aff763df4f4af51f006c8d2d992640c7833c56da4d3e8bf2a87f1d3

SHA512
7d0c7905f2627f374a8c0c5be738bd8939f63f4eb9d9049bf1c0cd140643cdef7650f5655d520aa82adb038e491e892428776a04c4d09d3df4e1def99775c955

Download Submit
C:\Users\Admin\AppData\Roaming\9DDB.28A

Filesize
996B

MD5
e5759b3e356f83e15cb8dfee6b3346cb

SHA1
933699836eb000c848666a0916b5629826097899

SHA256
ca72a1130fb4c94aad3e6f6a3d397eb5d496246a80c3888ffa4083f12161bef8

SHA512
f0d4ce6bb36b1425550efea3d22868d33b2f5b57f611c0e814ef8c78c2f1b09f8603e21720cce259e634b62a04dd7c46a5bc73b2e127bb312e0ac45a447e138d

Download Submit
memory/348-7-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/348-6-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/348-5-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2660-72-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/3068-15-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/3068-70-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/3068-2-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/3068-1-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/3068-175-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads