cycbot | a2ede5995bcc89981e50e0339c4e0ab226eb203b11fd44d6c049c148db9567e1

General

Target

dac0a81eab0001382e0f686e9bbfbcfd_JaffaCakes118.exe
Size

176KB
MD5

dac0a81eab0001382e0f686e9bbfbcfd
SHA1

50726e339860e0930d1a1f0f1102baa4376e7a11
SHA256

a2ede5995bcc89981e50e0339c4e0ab226eb203b11fd44d6c049c148db9567e1
SHA512

c362f533fb677160cf5f4e920fed4d7373f1244693fe132a8e862d3b0b21a6eee3c207dbfa434e4380631371801418c213a191da25fa429b9f6a48de6819e869
SSDEEP

3072:KS/rNw12pxo1GpInqUxNWOrAkM13D9l7xQP5dMAiFGNDvzjjqZHb4:KL8pxFInCFhR9ldQP5dMAgGNHq74

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/2804-7-0x0000000000400000-0x000000000044B000-memory.dmp	family_cycbot
behavioral1/memory/1508-15-0x0000000000400000-0x000000000044B000-memory.dmp	family_cycbot
behavioral1/memory/2104-85-0x0000000000400000-0x000000000044B000-memory.dmp	family_cycbot
behavioral1/memory/1508-186-0x0000000000400000-0x000000000044B000-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 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1508-2-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2804-7-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2804-6-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2804-5-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/1508-15-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2104-84-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2104-85-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/1508-186-0x0000000000400000-0x000000000044B000-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	dac0a81eab0001382e0f686e9bbfbcfd_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dac0a81eab0001382e0f686e9bbfbcfd_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dac0a81eab0001382e0f686e9bbfbcfd_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1508 wrote to memory of 2804	1508	dac0a81eab0001382e0f686e9bbfbcfd_JaffaCakes118.exe	30
PID 1508 wrote to memory of 2804	1508	dac0a81eab0001382e0f686e9bbfbcfd_JaffaCakes118.exe	30
PID 1508 wrote to memory of 2804	1508	dac0a81eab0001382e0f686e9bbfbcfd_JaffaCakes118.exe	30
PID 1508 wrote to memory of 2804	1508	dac0a81eab0001382e0f686e9bbfbcfd_JaffaCakes118.exe	30
PID 1508 wrote to memory of 2104	1508	dac0a81eab0001382e0f686e9bbfbcfd_JaffaCakes118.exe	32
PID 1508 wrote to memory of 2104	1508	dac0a81eab0001382e0f686e9bbfbcfd_JaffaCakes118.exe	32
PID 1508 wrote to memory of 2104	1508	dac0a81eab0001382e0f686e9bbfbcfd_JaffaCakes118.exe	32
PID 1508 wrote to memory of 2104	1508	dac0a81eab0001382e0f686e9bbfbcfd_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\dac0a81eab0001382e0f686e9bbfbcfd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dac0a81eab0001382e0f686e9bbfbcfd_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1508
- C:\Users\Admin\AppData\Local\Temp\dac0a81eab0001382e0f686e9bbfbcfd_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\dac0a81eab0001382e0f686e9bbfbcfd_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2804
- C:\Users\Admin\AppData\Local\Temp\dac0a81eab0001382e0f686e9bbfbcfd_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\dac0a81eab0001382e0f686e9bbfbcfd_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2104

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\BDAF.D32

Filesize
1KB

MD5
7f0ce5fc03be73e266693cc1562bf38d

SHA1
2ddfb82c98eb7fc57f497cc14d41d95c6f4f9077

SHA256
be1cce7701059e9a90bfc6cb86e0dd19436b93dc2db0422a9d4a474f051d2530

SHA512
fc56e186a01a9af1d0a27babd2432d2be2baf7c9e78655dcd42ae30c163a16b787024065b9b224850400453e370750690f4e526147deb078de8ea157c05d3bd4

Download Submit
C:\Users\Admin\AppData\Roaming\BDAF.D32

Filesize
600B

MD5
e2244093458b9c74dc4c8f21ee776905

SHA1
c2e847f701d1deceef5335ad3b3867188d28c9e7

SHA256
f20f3f0806b4c0aea114968685ba3cf9e518cbf4bd6e55e726739c6570f08604

SHA512
72ddaf2962bc6cb39b70ae85a1487a38992c939ad5ca8920e75908678337cf29b8f0cd5d91ee6b4cc8c4c1392442d410f61561f5499a93a523a18706ad2257eb

Download Submit
C:\Users\Admin\AppData\Roaming\BDAF.D32

Filesize
996B

MD5
d889d082d80f2aaa5d887834f3157eae

SHA1
8b0f39fd3c6d2ece562f62a147cb32bc84af25af

SHA256
53af6cbf1e9356644a9b58fecb6854efd40ac0cf897f34ca1c6daca3f88129e7

SHA512
a18719363a43149aeca0552d9ee1aa9c982481f4c25d9046e4a108743cc3cb366fa8602aabf9e433fb1e153136181fa160f9728a3e1eceb08d9af182b9dbc31e

Download Submit
memory/1508-1-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1508-2-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1508-15-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1508-186-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2104-84-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2104-85-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2804-7-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2804-6-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2804-5-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download

Analysis

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