cycbot | bea012d79dc80d6316c2434ca935e2c74c508abc6d1ccc66c9a2cd3c0a8e4cef

General

Target

9518408136fd1813904953e0f8149aea_JaffaCakes118.exe
Size

163KB
MD5

9518408136fd1813904953e0f8149aea
SHA1

441fa6e913678e7b20fc0cd0e254aec90db758f6
SHA256

bea012d79dc80d6316c2434ca935e2c74c508abc6d1ccc66c9a2cd3c0a8e4cef
SHA512

06935dc029867674a7b5d595e1d81362eb72d61882b243d90c0238b3ec154b599ae6ffeec7b84cfd8a28deb195d7ab5bbca3eed53868815e57fbac4ec08d95e4
SSDEEP

3072:6kChIFvQrNax4gjA8W8+iTJk8mHUcmUUf0L0a+8CPPAt:6kO4jxXvtMmUUcMzP

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++.

Processes:

resource	yara_rule
behavioral2/memory/1848-9-0x0000000000400000-0x0000000000444000-memory.dmp	family_cycbot
behavioral2/memory/4416-14-0x0000000000400000-0x0000000000444000-memory.dmp	family_cycbot
behavioral2/memory/4416-76-0x0000000000400000-0x0000000000444000-memory.dmp	family_cycbot
behavioral2/memory/4640-79-0x0000000000400000-0x0000000000444000-memory.dmp	family_cycbot
behavioral2/memory/4416-179-0x0000000000400000-0x0000000000444000-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

Processes:

9518408136fd1813904953e0f8149aea_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\conhost = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\conhost.exe"	9518408136fd1813904953e0f8149aea_JaffaCakes118.exe

UPX packed file 8 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4416-1-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral2/memory/4416-2-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral2/memory/1848-8-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral2/memory/1848-9-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral2/memory/4416-14-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral2/memory/4416-76-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral2/memory/4640-79-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral2/memory/4416-179-0x0000000000400000-0x0000000000444000-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

Processes:

9518408136fd1813904953e0f8149aea_JaffaCakes118.exe9518408136fd1813904953e0f8149aea_JaffaCakes118.exe9518408136fd1813904953e0f8149aea_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9518408136fd1813904953e0f8149aea_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9518408136fd1813904953e0f8149aea_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9518408136fd1813904953e0f8149aea_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

9518408136fd1813904953e0f8149aea_JaffaCakes118.exe

description	pid	process	target process
PID 4416 wrote to memory of 1848	4416	9518408136fd1813904953e0f8149aea_JaffaCakes118.exe	9518408136fd1813904953e0f8149aea_JaffaCakes118.exe
PID 4416 wrote to memory of 1848	4416	9518408136fd1813904953e0f8149aea_JaffaCakes118.exe	9518408136fd1813904953e0f8149aea_JaffaCakes118.exe
PID 4416 wrote to memory of 1848	4416	9518408136fd1813904953e0f8149aea_JaffaCakes118.exe	9518408136fd1813904953e0f8149aea_JaffaCakes118.exe
PID 4416 wrote to memory of 4640	4416	9518408136fd1813904953e0f8149aea_JaffaCakes118.exe	9518408136fd1813904953e0f8149aea_JaffaCakes118.exe
PID 4416 wrote to memory of 4640	4416	9518408136fd1813904953e0f8149aea_JaffaCakes118.exe	9518408136fd1813904953e0f8149aea_JaffaCakes118.exe
PID 4416 wrote to memory of 4640	4416	9518408136fd1813904953e0f8149aea_JaffaCakes118.exe	9518408136fd1813904953e0f8149aea_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\9518408136fd1813904953e0f8149aea_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9518408136fd1813904953e0f8149aea_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4416
- C:\Users\Admin\AppData\Local\Temp\9518408136fd1813904953e0f8149aea_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\9518408136fd1813904953e0f8149aea_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1848
- C:\Users\Admin\AppData\Local\Temp\9518408136fd1813904953e0f8149aea_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\9518408136fd1813904953e0f8149aea_JaffaCakes118.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4640

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\FF06.BEB

Filesize
600B

MD5
854576354eadd96171207911e7d5cadc

SHA1
1dac934310ee208c83a8a60f3f5c0185c3b72139

SHA256
bf5d280f1ad9a2490e89cb4ef55a53b85daf30259508fc41c8a289d0e52cde98

SHA512
d81de0ea841d6673d685b131b573dd73b7896a091d91f4511192c0c350ce67a73728d420479f392fc5cefef1f073893361b6e1ead795d39a888faf8cff90b6ad

Download Submit
C:\Users\Admin\AppData\Roaming\FF06.BEB

Filesize
996B

MD5
6a2ad1b5d64919b8a8253de91b76c8bc

SHA1
df9baa3348b8db7fc9b73f89efb17dd22159c8aa

SHA256
0adf143b08dbccf9b6493066e7d45b89ba6260e35671395caa4dfdfd43ed7129

SHA512
cbce7038ae76b7b620ec0062d317fb8a519c395deb8e1bf43087d4d553b7bc641716c4a0175450f9fd8bb092e4f704c732382f36dcc0bc93faf400359b9562db

Download Submit
memory/1848-8-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1848-9-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/4416-1-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/4416-2-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/4416-14-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/4416-76-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/4416-179-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/4640-78-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/4640-79-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads