cycbot | ab30a0ba23aa61cfcefa3c86b23d84b5a09be3d2920875f912ac7b64fcfe2324

General

Target

JaffaCakes118_25a1d513256a4c22796c8757b498526b.exe
Size

176KB
MD5

25a1d513256a4c22796c8757b498526b
SHA1

106854a11fb6694197cb41140b0d235511194d0d
SHA256

ab30a0ba23aa61cfcefa3c86b23d84b5a09be3d2920875f912ac7b64fcfe2324
SHA512

9e2f1353b2c049be39006a11105648e20c1b9a75714cfe2bddfdf9db9cb5e655595740bdb483515667c64adedab85e9170a57c584f1a1321b50e7726074e2c40
SSDEEP

3072:IuFXluw8oIUbF6iYhSd083SmFha/MnUXM6mGemNbdHumbfEFJgWR564p+C:7Nl4oI7ZP8j6/G3pZmNbdLfEFJfC4D

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/2272-7-0x0000000000400000-0x000000000044B000-memory.dmp	family_cycbot
behavioral1/memory/2124-15-0x0000000000400000-0x000000000044B000-memory.dmp	family_cycbot
behavioral1/memory/2184-85-0x0000000000400000-0x000000000044B000-memory.dmp	family_cycbot
behavioral1/memory/2124-184-0x0000000000400000-0x000000000044B000-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 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2124-2-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2272-6-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2272-5-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2272-7-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2124-15-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2184-85-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2124-184-0x0000000000400000-0x000000000044B000-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	JaffaCakes118_25a1d513256a4c22796c8757b498526b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_25a1d513256a4c22796c8757b498526b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_25a1d513256a4c22796c8757b498526b.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 2272	2124	JaffaCakes118_25a1d513256a4c22796c8757b498526b.exe	30
PID 2124 wrote to memory of 2272	2124	JaffaCakes118_25a1d513256a4c22796c8757b498526b.exe	30
PID 2124 wrote to memory of 2272	2124	JaffaCakes118_25a1d513256a4c22796c8757b498526b.exe	30
PID 2124 wrote to memory of 2272	2124	JaffaCakes118_25a1d513256a4c22796c8757b498526b.exe	30
PID 2124 wrote to memory of 2184	2124	JaffaCakes118_25a1d513256a4c22796c8757b498526b.exe	32
PID 2124 wrote to memory of 2184	2124	JaffaCakes118_25a1d513256a4c22796c8757b498526b.exe	32
PID 2124 wrote to memory of 2184	2124	JaffaCakes118_25a1d513256a4c22796c8757b498526b.exe	32
PID 2124 wrote to memory of 2184	2124	JaffaCakes118_25a1d513256a4c22796c8757b498526b.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_25a1d513256a4c22796c8757b498526b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_25a1d513256a4c22796c8757b498526b.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_25a1d513256a4c22796c8757b498526b.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_25a1d513256a4c22796c8757b498526b.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2272
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_25a1d513256a4c22796c8757b498526b.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_25a1d513256a4c22796c8757b498526b.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2184

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\0CDD.5CC

Filesize
1KB

MD5
92525334473f832054c6a80cafe5a969

SHA1
f5dc0df9c2eaa6d19168c66bb1a5058e861401f5

SHA256
424af2249d1478ecf5b5e26ae551450c56a8bc444933845b0604f41f1aa2ce08

SHA512
85647c3db36cd19c60d746e51b263f1d7a4213e885b1a79b009c83d30f7f36160977cd8b6f3e4b54b669c9cfc215033a53ad80bdc821ef15cd7b1d33a33cb829

Download Submit
C:\Users\Admin\AppData\Roaming\0CDD.5CC

Filesize
600B

MD5
279576145d00ecea37ba07f3d7da84b2

SHA1
fbe35fea2d6838cf6ba82cc3e9ad9f9905fe9857

SHA256
f0e5146547fac69cb3f3d36f3bb281c8225fdad552f1fbbfa706a69e2f0492a4

SHA512
91f3d61c1da4c79f65d2ef699d3703cd357b36ef833560a35644f9ea874e3fde065786b835efeeb872061d9619712720029cedd9e6f2de239b90cb5ebf1b43e8

Download Submit
C:\Users\Admin\AppData\Roaming\0CDD.5CC

Filesize
996B

MD5
e56425f91bd1e2561ec9d74a9198d92c

SHA1
c3877e6a82af115c5512540a331d8c675572e1f0

SHA256
290661a590ace3cf96424a96591af178bcc47a1e5162577cc183fa9d549968b5

SHA512
74a538bc1125da1224a49d27f8894ca80053909993aec2e92d9e029cc639f5aa6e54d408159dd40cefc9205e2a855834d4b4137c0428555926f7ee4a1b747b6e

Download Submit
memory/2124-1-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2124-2-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2124-15-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2124-184-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2184-84-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2184-85-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2272-6-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2272-5-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2272-7-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download

Analysis

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