cycbot | 751c0ca76e4bae9f4d869d4aae22b374dffaef8f43abff58ee3e1945140c90d7

General

Target

JaffaCakes118_6a93bd44caa7387d8820ba4412f5ed67.exe
Size

183KB
MD5

6a93bd44caa7387d8820ba4412f5ed67
SHA1

24d417b6f246d3f486a44321b6cb3b2b8a6882c6
SHA256

751c0ca76e4bae9f4d869d4aae22b374dffaef8f43abff58ee3e1945140c90d7
SHA512

c7dd8f142d916a02bb20a18c56100689de177185bc49f50ad7dab4189fc6e48cc0eb9c8359a3d3405579d51f15bde3e247be1d5bac647d33b09e4922124bb11c
SSDEEP

3072:d3rKTTJ3YQGhQTvjFtvF/57Bg+F4p8Hj7zRgu82PC6nlLkwKet4uRzSD5dYux4EO:RATqQGiTLFNFx7BhVz2J23LkwDOuOTYX

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/2480-13-0x0000000000400000-0x000000000044F000-memory.dmp	family_cycbot
behavioral1/memory/2336-14-0x0000000000400000-0x000000000044F000-memory.dmp	family_cycbot
behavioral1/memory/1404-90-0x0000000000400000-0x000000000044F000-memory.dmp	family_cycbot
behavioral1/memory/2336-163-0x0000000000400000-0x000000000044F000-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 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2480-13-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/2480-12-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/2336-2-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/2336-14-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/1404-89-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/1404-90-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/2336-163-0x0000000000400000-0x000000000044F000-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_6a93bd44caa7387d8820ba4412f5ed67.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6a93bd44caa7387d8820ba4412f5ed67.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6a93bd44caa7387d8820ba4412f5ed67.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2336 wrote to memory of 2480	2336	JaffaCakes118_6a93bd44caa7387d8820ba4412f5ed67.exe	30
PID 2336 wrote to memory of 2480	2336	JaffaCakes118_6a93bd44caa7387d8820ba4412f5ed67.exe	30
PID 2336 wrote to memory of 2480	2336	JaffaCakes118_6a93bd44caa7387d8820ba4412f5ed67.exe	30
PID 2336 wrote to memory of 2480	2336	JaffaCakes118_6a93bd44caa7387d8820ba4412f5ed67.exe	30
PID 2336 wrote to memory of 1404	2336	JaffaCakes118_6a93bd44caa7387d8820ba4412f5ed67.exe	32
PID 2336 wrote to memory of 1404	2336	JaffaCakes118_6a93bd44caa7387d8820ba4412f5ed67.exe	32
PID 2336 wrote to memory of 1404	2336	JaffaCakes118_6a93bd44caa7387d8820ba4412f5ed67.exe	32
PID 2336 wrote to memory of 1404	2336	JaffaCakes118_6a93bd44caa7387d8820ba4412f5ed67.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a93bd44caa7387d8820ba4412f5ed67.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a93bd44caa7387d8820ba4412f5ed67.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2336
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a93bd44caa7387d8820ba4412f5ed67.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a93bd44caa7387d8820ba4412f5ed67.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2480
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a93bd44caa7387d8820ba4412f5ed67.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a93bd44caa7387d8820ba4412f5ed67.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1404

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\2392.4D4

Filesize
600B

MD5
e1de5c6592cf3d41c56097b8c1c0fe72

SHA1
d687f9c9b03ef5eeeedb2aa01255658cd8115245

SHA256
86298a77d5aee0b6bba194cada8789f0ed02d6b77bc433a97ce3ab5ecf1d4bdc

SHA512
c4d69315e4a70f2b2462623c03f1c67cd5fa4a5df002e02359965d26cf6f8271eec872dfb26475e3f7f1ba15c6ec70b268245f7bed8627d4a40e87360f39a358

Download Submit
C:\Users\Admin\AppData\Roaming\2392.4D4

Filesize
1KB

MD5
73454397f5dc7059d4d2fbd3b0680a10

SHA1
9ce688df3d5fb735d33b2c8f03f5e3f6de9a8a32

SHA256
356ab23126a26c930db8e5f6918690d39af3886d83d8b8b8afb8ff82a334426c

SHA512
9bcec2e8259fa6d6456edd5f9fd77aee23633771d640ea86bfc17415b7478ad9d66ce1f6863577d41a0cfeafa361335f853bb68a193ebefed8e10cc3977e502f

Download Submit
C:\Users\Admin\AppData\Roaming\2392.4D4

Filesize
996B

MD5
f4276811f12f57d98d6e0267c632803f

SHA1
40e22bdd947b55a96fb53c8b65207634380183f9

SHA256
77be75d5233e3a4d719e01140f8aad2770650a229c66c235b078d863b3530a91

SHA512
0f578fdfbf5e4fff2450974170b042ec294fa4561c0b97d11ba6e67e8108a1a5c2d60ca4190c27128eaa41ff43eb2eec9d6c5af9c382497da036b694dc519cc5

Download Submit
memory/1404-89-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1404-90-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2336-2-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2336-1-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2336-14-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2336-163-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2480-13-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2480-12-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download

Analysis

Sharing