cycbot | 4d0cdff4cca712807cab533cdcc62d1021eac388985d4a9789364dac8ce319ed

General

Target

JaffaCakes118_b81aa84c3ab75ad27f9adc6404aa1bb5.exe
Size

180KB
MD5

b81aa84c3ab75ad27f9adc6404aa1bb5
SHA1

f9f16c4d58672039d86278da7ba8ee0652724f6e
SHA256

4d0cdff4cca712807cab533cdcc62d1021eac388985d4a9789364dac8ce319ed
SHA512

4484d701470261a9eceee8ca44f7bdf21c688ec9f097739c77da434f18d8ae5f91afabbe5f316f2af694787fbeeb3f57070f079d7ed088145616560817af96d0
SSDEEP

3072:+KL5XRH8QrkUXS6TlSNaoHvHvyUznEva7KnhbFSn/adJeHWBT1ky:+KNBH8QNXtScKvznEva2nhMABl

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 5 IoCs

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

resource	yara_rule
behavioral1/memory/2784-8-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/2784-7-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/2664-14-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/2440-88-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/2664-202-0x0000000000400000-0x000000000044E000-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/2664-1-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2784-8-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2784-7-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2664-14-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2440-87-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2440-88-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2664-202-0x0000000000400000-0x000000000044E000-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_b81aa84c3ab75ad27f9adc6404aa1bb5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_b81aa84c3ab75ad27f9adc6404aa1bb5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_b81aa84c3ab75ad27f9adc6404aa1bb5.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2664 wrote to memory of 2784	2664	JaffaCakes118_b81aa84c3ab75ad27f9adc6404aa1bb5.exe	31
PID 2664 wrote to memory of 2784	2664	JaffaCakes118_b81aa84c3ab75ad27f9adc6404aa1bb5.exe	31
PID 2664 wrote to memory of 2784	2664	JaffaCakes118_b81aa84c3ab75ad27f9adc6404aa1bb5.exe	31
PID 2664 wrote to memory of 2784	2664	JaffaCakes118_b81aa84c3ab75ad27f9adc6404aa1bb5.exe	31
PID 2664 wrote to memory of 2440	2664	JaffaCakes118_b81aa84c3ab75ad27f9adc6404aa1bb5.exe	33
PID 2664 wrote to memory of 2440	2664	JaffaCakes118_b81aa84c3ab75ad27f9adc6404aa1bb5.exe	33
PID 2664 wrote to memory of 2440	2664	JaffaCakes118_b81aa84c3ab75ad27f9adc6404aa1bb5.exe	33
PID 2664 wrote to memory of 2440	2664	JaffaCakes118_b81aa84c3ab75ad27f9adc6404aa1bb5.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b81aa84c3ab75ad27f9adc6404aa1bb5.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b81aa84c3ab75ad27f9adc6404aa1bb5.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2664
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b81aa84c3ab75ad27f9adc6404aa1bb5.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b81aa84c3ab75ad27f9adc6404aa1bb5.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2784
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b81aa84c3ab75ad27f9adc6404aa1bb5.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b81aa84c3ab75ad27f9adc6404aa1bb5.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2440

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\9BD8.C12

Filesize
600B

MD5
d71e62d1c078162ed5962ff9d1dc12ea

SHA1
665d920b0139944311a538cbe2c81620ba2226fd

SHA256
6628c8b3b69609ed9438dd0446ab2d3f4aafc04c9cf6c63c2a20b639be162f47

SHA512
3f93726f9e94c7550b7af0fc23256479ded88cb54466325419b65b8fb7b10d8a68cfa98721fea2ab6e749aa36b55ed9adef3cd8e33ff3f3b9f70735d334a8048

Download Submit
C:\Users\Admin\AppData\Roaming\9BD8.C12

Filesize
1KB

MD5
5cf23e237d26c7b003799ef149f78a8c

SHA1
66a3fa70dae38c072361d35c2a64645195ff7244

SHA256
6483ee6dee73d2ebfa1bfc893f923e88733a4b508791b6a62cd202845b9004f8

SHA512
190dfd3239113e873e7690342990bab206a87d9080b34ae1c4ca6527a715b3d4243b5e10653f767ad90e41f133acf65bb57c5f0f9e9f8ff18f5d047f9c5f16e4

Download Submit
C:\Users\Admin\AppData\Roaming\9BD8.C12

Filesize
996B

MD5
0078d8f7e8d913bd535975be04b4869f

SHA1
b111ef8222f4af28b8e00a0564b8c308eee4fb9f

SHA256
b72ca25438c8254ae524f8fb97fa68917e840e3c89d701f51227d6a11b88db90

SHA512
51a325285d67d5fb6b463ef5208287f736028b1e3c14dfb5050e545f9878a18b6e5791a3b384d19f8fd419d4dc9e9580a6d7a9178946b6b69ebeb8c45c93f9c7

Download Submit
memory/2440-86-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2440-87-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2440-88-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2664-1-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2664-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2664-202-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2784-8-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2784-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

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