cycbot | 15291d11d38ebdad7dbeec8c241c0069a79a33d493c05d2a277532f2b9cd93f7

General

Target

JaffaCakes118_178e2f9f4325e5cede2f60ad6262d4ec.exe
Size

165KB
MD5

178e2f9f4325e5cede2f60ad6262d4ec
SHA1

2b52226d624b7fd12c9d7ac39e11f0006df87822
SHA256

15291d11d38ebdad7dbeec8c241c0069a79a33d493c05d2a277532f2b9cd93f7
SHA512

b31ced0efc2f618c57fece3b69cb6b4179d5f78138e3f09cea6c441db1e2bfed6a3bebba880722c537d2183c07f31713e898b704fc28ef852ab4dfedd10ee9f1
SSDEEP

3072:03/dcufG+lPVJYfX4kvCUtbU6yfLv+fFP4m73XInV+SPH/Ihvjf:03/1GUNuJ/to6yfL+fee3YVnv/6

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/2448-13-0x0000000000400000-0x0000000000444000-memory.dmp	family_cycbot
behavioral1/memory/2504-14-0x0000000000400000-0x0000000000444000-memory.dmp	family_cycbot
behavioral1/memory/2504-77-0x0000000000400000-0x0000000000444000-memory.dmp	family_cycbot
behavioral1/memory/2240-80-0x0000000000400000-0x0000000000444000-memory.dmp	family_cycbot
behavioral1/memory/2504-191-0x0000000000400000-0x0000000000444000-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_178e2f9f4325e5cede2f60ad6262d4ec.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2504-2-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral1/memory/2448-12-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral1/memory/2448-13-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral1/memory/2504-14-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral1/memory/2504-77-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral1/memory/2240-79-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral1/memory/2240-80-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral1/memory/2504-191-0x0000000000400000-0x0000000000444000-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	JaffaCakes118_178e2f9f4325e5cede2f60ad6262d4ec.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 2448	2504	JaffaCakes118_178e2f9f4325e5cede2f60ad6262d4ec.exe	30
PID 2504 wrote to memory of 2448	2504	JaffaCakes118_178e2f9f4325e5cede2f60ad6262d4ec.exe	30
PID 2504 wrote to memory of 2448	2504	JaffaCakes118_178e2f9f4325e5cede2f60ad6262d4ec.exe	30
PID 2504 wrote to memory of 2448	2504	JaffaCakes118_178e2f9f4325e5cede2f60ad6262d4ec.exe	30
PID 2504 wrote to memory of 2240	2504	JaffaCakes118_178e2f9f4325e5cede2f60ad6262d4ec.exe	32
PID 2504 wrote to memory of 2240	2504	JaffaCakes118_178e2f9f4325e5cede2f60ad6262d4ec.exe	32
PID 2504 wrote to memory of 2240	2504	JaffaCakes118_178e2f9f4325e5cede2f60ad6262d4ec.exe	32
PID 2504 wrote to memory of 2240	2504	JaffaCakes118_178e2f9f4325e5cede2f60ad6262d4ec.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_178e2f9f4325e5cede2f60ad6262d4ec.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_178e2f9f4325e5cede2f60ad6262d4ec.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2504
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_178e2f9f4325e5cede2f60ad6262d4ec.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_178e2f9f4325e5cede2f60ad6262d4ec.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  PID:2448
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_178e2f9f4325e5cede2f60ad6262d4ec.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_178e2f9f4325e5cede2f60ad6262d4ec.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  PID:2240

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\1560.FB6

Filesize
1KB

MD5
3c6240ed6ed6b6ae58386af01806d92b

SHA1
b4040566f5b76fb87fd1b82b4d7c7b49d62fe0f6

SHA256
3c1ef8d368168ec34d7d3bf5abfa732553063f8674bd82e0383172f9bf809d68

SHA512
9fcb5dec98c6ddd3672a1c18bc0c73e0ce4f9b0c6e98afadf9b52533f76b0cdcbcb12deda5ea6af450fe737e22b71ad690325e8c8bf6aa481fddeee2063baefe

Download Submit
C:\Users\Admin\AppData\Roaming\1560.FB6

Filesize
600B

MD5
47f96c8ff51cc14985b0d36090655d61

SHA1
0eada1cc21fd2902f944415b5a89a86e57b7de41

SHA256
997370d7ff659a0a236d52191ee4ab71cf1fc61c79f0e862b0f66cd0435b712f

SHA512
da4f2889b0a71807d7c0f82cff745bd8289384d495f1f5b3402fc700de24fb4995b63fbebd8e6ba3af31cca3c358fe480afe3b0d5ead0bb732885f01f0152043

Download Submit
C:\Users\Admin\AppData\Roaming\1560.FB6

Filesize
996B

MD5
f1870f7daf3e5017bcba01a2b21c571b

SHA1
f9902b784d8d3da6265f11e2ae7b736676af3179

SHA256
8f1682341f8e7fd32ad227b1190f8c4907800cf6f5f2ee7ecc49c5592c0a3dc4

SHA512
ac52e761ab389f01d52df7888c24df19f853d8ad1649de2fcd5c3720ab63657c879db540a9be1c4cb88e84390e452508835ccbd627d5da8109828be109ff6896

Download Submit
memory/2240-79-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2240-80-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2448-12-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2448-13-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2504-2-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2504-1-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2504-14-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2504-77-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2504-191-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads