cycbot | ab3e0138a08352e6a33bbfe02545df86d4f1d23f97afce3927edbc742fec72be

General

Target

JaffaCakes118_1ccf45b084a3d9285d42e40121a0bbd8.exe
Size

178KB
MD5

1ccf45b084a3d9285d42e40121a0bbd8
SHA1

c41e1757516d9a26569645c20a0c895c66362689
SHA256

ab3e0138a08352e6a33bbfe02545df86d4f1d23f97afce3927edbc742fec72be
SHA512

d6782761b04436f3304019e7ab6c15bcbbb70729c7a4471048044cb9632f5ccbadcc54bb38e94ea60f79c675b9a3d874869e6a47beaabc46c5dd41faa8769690
SSDEEP

3072:3GflUhEcYSDeVpvPxZ0JaZQuKMMPs56IGsFUqQp/nHJmHSTIuVBRx2YlHRnCV:3dwAeD4MKKMPsIcUqQpfH3skBRx2Ydd

Score

10^/10

cycbot backdoor discovery 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 4 IoCs

Cycbot is a backdoor and trojan written in C++.

resource	yara_rule
behavioral1/memory/2772-5-0x0000000000400000-0x0000000000463000-memory.dmp	family_cycbot
behavioral1/memory/2236-12-0x0000000000400000-0x0000000000463000-memory.dmp	family_cycbot
behavioral1/memory/2956-71-0x0000000000400000-0x0000000000463000-memory.dmp	family_cycbot
behavioral1/memory/2236-177-0x0000000000400000-0x0000000000463000-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

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2236-2-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/2772-5-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/2236-12-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/2956-70-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/2956-71-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/2236-177-0x0000000000400000-0x0000000000463000-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_1ccf45b084a3d9285d42e40121a0bbd8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1ccf45b084a3d9285d42e40121a0bbd8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1ccf45b084a3d9285d42e40121a0bbd8.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2236 wrote to memory of 2772	2236	JaffaCakes118_1ccf45b084a3d9285d42e40121a0bbd8.exe	30
PID 2236 wrote to memory of 2772	2236	JaffaCakes118_1ccf45b084a3d9285d42e40121a0bbd8.exe	30
PID 2236 wrote to memory of 2772	2236	JaffaCakes118_1ccf45b084a3d9285d42e40121a0bbd8.exe	30
PID 2236 wrote to memory of 2772	2236	JaffaCakes118_1ccf45b084a3d9285d42e40121a0bbd8.exe	30
PID 2236 wrote to memory of 2956	2236	JaffaCakes118_1ccf45b084a3d9285d42e40121a0bbd8.exe	32
PID 2236 wrote to memory of 2956	2236	JaffaCakes118_1ccf45b084a3d9285d42e40121a0bbd8.exe	32
PID 2236 wrote to memory of 2956	2236	JaffaCakes118_1ccf45b084a3d9285d42e40121a0bbd8.exe	32
PID 2236 wrote to memory of 2956	2236	JaffaCakes118_1ccf45b084a3d9285d42e40121a0bbd8.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1ccf45b084a3d9285d42e40121a0bbd8.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1ccf45b084a3d9285d42e40121a0bbd8.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2236
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1ccf45b084a3d9285d42e40121a0bbd8.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1ccf45b084a3d9285d42e40121a0bbd8.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2772
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1ccf45b084a3d9285d42e40121a0bbd8.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1ccf45b084a3d9285d42e40121a0bbd8.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2956

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\2059.790

Filesize
1KB

MD5
8464c152e4ee1f4f69ec53f9601a76b0

SHA1
a10c0bee7eed8a86fb66d410d9cef3b119d497f2

SHA256
b4be4bf8eec544b674fbf879c0ab7a8d193e0960904ec4aa1e455409a8f8f75e

SHA512
c0ed1a618df5ee9bad012c85d11943bfd4bb911d1be1ff87a7fb9aa321b0ff614f83dad48f464242997e920579e6e6794ccf7822bb0157b6c06647a76e263ba1

Download Submit
C:\Users\Admin\AppData\Roaming\2059.790

Filesize
600B

MD5
97d417eb37a2652631d4475ac91111c2

SHA1
2aa6c1ba57e3ac72d1752aad7896a8a7f6991115

SHA256
9da7c073595d2cd630561a5c5052451c7a648e085bf8ad93b47db4edc723ba86

SHA512
6b82b06961da920eb8f8569bba67591d6bb86d0fec5a81eee4dcc7a26e74dc4f2441caf9c10aac8fda746a9269e38912d467878f423943f3a0f8cec588a78901

Download Submit
C:\Users\Admin\AppData\Roaming\2059.790

Filesize
996B

MD5
259dcd964d02d7dc950f93c641ceee3d

SHA1
b78639b669162fb9c668de3c77e2b752ae036893

SHA256
e4a325bed6012636a2fa837fec1543dddaf33598024b661b8c1cb7199de21260

SHA512
c2c84d50f2b2de97d9713ff1ce58936abc614f4492012dd8ee5cfde2d30e70cabe2c5ed96542ebd6d42f0d5e7769b56f1fb94d5edfec0fc93f0d7d2442a3e4f0

Download Submit
memory/2236-1-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2236-2-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2236-12-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2236-177-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2772-5-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2956-70-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2956-71-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download

Analysis

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