cycbot | a7e436f30b1f83b9d9df58ac91a9b9018a2713b267fc21ae2c9600bf9923462f

General

Target

910f6ae637d49520e4cd6e22390643c9_JaffaCakes118.exe
Size

183KB
MD5

910f6ae637d49520e4cd6e22390643c9
SHA1

24e4c39bbb1507bf1c3d52b771a1c431749c5afc
SHA256

a7e436f30b1f83b9d9df58ac91a9b9018a2713b267fc21ae2c9600bf9923462f
SHA512

5e04995d16b078ff6e3896d01d33d0ec39f855e620bd87aaa42aa288b8193ca6ca290be2fc3f8d0d5828f619f3a779869afa34dacc7104d4d63719c037281606
SSDEEP

3072:FxyTMO9TEMihPbqrad1Zjp5i1LkELBa2fnHcSw8xosuUY2s7nuf0B7U7X1IHAfyB:PyTfOMi5qed1Ja1IQBa2PcS/hY2s7uMU

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++.

Processes:

resource	yara_rule
behavioral1/memory/1592-7-0x0000000000400000-0x0000000000443000-memory.dmp	family_cycbot
behavioral1/memory/1968-15-0x0000000000400000-0x0000000000443000-memory.dmp	family_cycbot
behavioral1/memory/2580-78-0x0000000000400000-0x0000000000443000-memory.dmp	family_cycbot
behavioral1/memory/1968-79-0x0000000000400000-0x0000000000443000-memory.dmp	family_cycbot
behavioral1/memory/1968-182-0x0000000000400000-0x0000000000443000-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

Processes:

910f6ae637d49520e4cd6e22390643c9_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"	910f6ae637d49520e4cd6e22390643c9_JaffaCakes118.exe

UPX packed file 8 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1968-2-0x0000000000400000-0x0000000000443000-memory.dmp	upx
behavioral1/memory/1592-5-0x0000000000400000-0x0000000000443000-memory.dmp	upx
behavioral1/memory/1592-7-0x0000000000400000-0x0000000000443000-memory.dmp	upx
behavioral1/memory/1968-15-0x0000000000400000-0x0000000000443000-memory.dmp	upx
behavioral1/memory/2580-76-0x0000000000400000-0x0000000000443000-memory.dmp	upx
behavioral1/memory/2580-78-0x0000000000400000-0x0000000000443000-memory.dmp	upx
behavioral1/memory/1968-79-0x0000000000400000-0x0000000000443000-memory.dmp	upx
behavioral1/memory/1968-182-0x0000000000400000-0x0000000000443000-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:

910f6ae637d49520e4cd6e22390643c9_JaffaCakes118.exe910f6ae637d49520e4cd6e22390643c9_JaffaCakes118.exe910f6ae637d49520e4cd6e22390643c9_JaffaCakes118.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	910f6ae637d49520e4cd6e22390643c9_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	910f6ae637d49520e4cd6e22390643c9_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	910f6ae637d49520e4cd6e22390643c9_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

910f6ae637d49520e4cd6e22390643c9_JaffaCakes118.exe

description	pid	Process	procid_target
PID 1968 wrote to memory of 1592	1968	910f6ae637d49520e4cd6e22390643c9_JaffaCakes118.exe	31
PID 1968 wrote to memory of 1592	1968	910f6ae637d49520e4cd6e22390643c9_JaffaCakes118.exe	31
PID 1968 wrote to memory of 1592	1968	910f6ae637d49520e4cd6e22390643c9_JaffaCakes118.exe	31
PID 1968 wrote to memory of 1592	1968	910f6ae637d49520e4cd6e22390643c9_JaffaCakes118.exe	31
PID 1968 wrote to memory of 2580	1968	910f6ae637d49520e4cd6e22390643c9_JaffaCakes118.exe	33
PID 1968 wrote to memory of 2580	1968	910f6ae637d49520e4cd6e22390643c9_JaffaCakes118.exe	33
PID 1968 wrote to memory of 2580	1968	910f6ae637d49520e4cd6e22390643c9_JaffaCakes118.exe	33
PID 1968 wrote to memory of 2580	1968	910f6ae637d49520e4cd6e22390643c9_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\910f6ae637d49520e4cd6e22390643c9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\910f6ae637d49520e4cd6e22390643c9_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1968
- C:\Users\Admin\AppData\Local\Temp\910f6ae637d49520e4cd6e22390643c9_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\910f6ae637d49520e4cd6e22390643c9_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1592
- C:\Users\Admin\AppData\Local\Temp\910f6ae637d49520e4cd6e22390643c9_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\910f6ae637d49520e4cd6e22390643c9_JaffaCakes118.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2580

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\88C0.93F

Filesize
1KB

MD5
660f7ed3efd5649997081dffb9411fd0

SHA1
d70c8b8fd9b02f7de5b1210b359bc74f15efefd3

SHA256
686a30fb434db6d76cbbc26e14ab387c41552dac3ab71f15917ea8aac5c318d3

SHA512
013b8618baa5625d7885efc8eb3a9cc02e088fbf21ae310c17844e7a7489dc22080584d0759c137022eb294eba487b8e7e9befc8759c6465608919f0f3e3797c

Download Submit
C:\Users\Admin\AppData\Roaming\88C0.93F

Filesize
600B

MD5
de1ed91a312b538137ed8a1f23e40ba0

SHA1
317f842fea754c630a0819a81b9fbc4410269fb9

SHA256
52d2dddc39fe24a45de1eaee8d61a5be1512ed4593bf0fc93033eb084cd71109

SHA512
9c345063d04e169e38e7813bd27ed6f8aa6f7e0e88f0ba7078a6c832eb63b9d2740ba43f6cc9fd1ef78e06677ee52655fe6ba80e7ff82e659608d7588545e2d1

Download Submit
C:\Users\Admin\AppData\Roaming\88C0.93F

Filesize
996B

MD5
f703739a0f411605bcba9f78dd2c7aea

SHA1
ada3f1dba4ab9a65132b5e1cdc81376b694359d9

SHA256
bd53ae0f1703ac773bdb4978d0eddc49c30707eda98143f58cfa4e2d868decf5

SHA512
cc0e42d22406a989b088a7523a87e4e55f8254aeb8e522ae1a967018f6712470058bfe6fe84b8dc1b42a955c9160e77275dfb748f0015970609927e978ddbf3a

Download Submit
memory/1592-5-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1592-7-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1968-1-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1968-2-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1968-15-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1968-79-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1968-182-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/2580-76-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/2580-78-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads