cycbot | 4d9069ca45891daa6d531429ad3bef9e8f8ced4736531096cd6ef8ea1d236981

General

Target

JaffaCakes118_4ea7c83f425b958d086c6e149b974a0e.exe
Size

181KB
MD5

4ea7c83f425b958d086c6e149b974a0e
SHA1

6d4c206279b81d345958cef89abfaefd8bb51093
SHA256

4d9069ca45891daa6d531429ad3bef9e8f8ced4736531096cd6ef8ea1d236981
SHA512

5f6c4d9ec9f04d747f77be6012ef093b9eed5c83f26867ef504640420da03509698a34d25ef86f1804d80c3dd5acac772ffec10caf36effee7e93ea397a06a6c
SSDEEP

3072:UrSqBxddn2ypl4dYt7ieXGGXmGnWA1FCDsh8hvU6clb5OGg4p/UQ7S5x/b2Qhl0:zidd22lTieXpWGnWA1Dh8+5b8Gg4941D

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/2120-15-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/3016-16-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/3016-17-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/2956-111-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/3016-274-0x0000000000400000-0x0000000000454000-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/3016-3-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2120-13-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2120-15-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/3016-16-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/3016-17-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/2956-111-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/3016-274-0x0000000000400000-0x0000000000454000-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_4ea7c83f425b958d086c6e149b974a0e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_4ea7c83f425b958d086c6e149b974a0e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_4ea7c83f425b958d086c6e149b974a0e.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3016 wrote to memory of 2120	3016	JaffaCakes118_4ea7c83f425b958d086c6e149b974a0e.exe	30
PID 3016 wrote to memory of 2120	3016	JaffaCakes118_4ea7c83f425b958d086c6e149b974a0e.exe	30
PID 3016 wrote to memory of 2120	3016	JaffaCakes118_4ea7c83f425b958d086c6e149b974a0e.exe	30
PID 3016 wrote to memory of 2120	3016	JaffaCakes118_4ea7c83f425b958d086c6e149b974a0e.exe	30
PID 3016 wrote to memory of 2956	3016	JaffaCakes118_4ea7c83f425b958d086c6e149b974a0e.exe	33
PID 3016 wrote to memory of 2956	3016	JaffaCakes118_4ea7c83f425b958d086c6e149b974a0e.exe	33
PID 3016 wrote to memory of 2956	3016	JaffaCakes118_4ea7c83f425b958d086c6e149b974a0e.exe	33
PID 3016 wrote to memory of 2956	3016	JaffaCakes118_4ea7c83f425b958d086c6e149b974a0e.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ea7c83f425b958d086c6e149b974a0e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ea7c83f425b958d086c6e149b974a0e.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3016
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ea7c83f425b958d086c6e149b974a0e.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ea7c83f425b958d086c6e149b974a0e.exe startC:\Program Files (x86)\LP\5749\582.exe%C:\Program Files (x86)\LP\5749
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2120
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ea7c83f425b958d086c6e149b974a0e.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ea7c83f425b958d086c6e149b974a0e.exe startC:\Users\Admin\AppData\Roaming\90C21\74457.exe%C:\Users\Admin\AppData\Roaming\90C21
  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\90C21\1CCC.0C2

Filesize
996B

MD5
39b81b94269ea3629443d64fae5b25d0

SHA1
9f18622e87a5dfcd9107736cb49647939f5e4d30

SHA256
cf127b47f3770a747e598c29e79a4799257c359445ed29983a7ab58de0b3fa88

SHA512
eea075ecba1bdcf42be858ede3112d00fac35a6fef1aa08730d2b1d740f369a84ae5dfbb790646b091295bfe673a1bc6a61bd8cf09d73efe6fb20ba42536db9b

Download Submit
C:\Users\Admin\AppData\Roaming\90C21\1CCC.0C2

Filesize
600B

MD5
e0e8211e508a62a9410a38870d0f20d7

SHA1
af33bb68fa7aadde19ffe1f805169623a41ddeac

SHA256
f1573202e16a3696383739807b81e471a702556fe1fbdb341c8cd4bed847c3da

SHA512
160eb3ec5b98bd4d5471997a6636a8e4c8d1ed46ca8498ddc4cfba079810e308ac1885bc1203ab98e9307f673ba3a76273e619239137aaf51fe3b198453f702c

Download Submit
C:\Users\Admin\AppData\Roaming\90C21\1CCC.0C2

Filesize
1KB

MD5
773417c0b96bfb4a1bd36a54c8f526ce

SHA1
96dd52c1902aaef64de613c8e8637e9b1e68dc98

SHA256
75c76e697888cc4092285be6ac0c89ff619794a4909b2904fa9fedc757ef17cd

SHA512
038814be15eabd064dae0be8aea00e8eca8c3e92561d67e9efd82ffb1a71abbd7e42757617b34bd56f0e6f406133a2b1e8007043103ae7646bda05e115fe7b19

Download Submit
memory/2120-13-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2120-15-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2956-111-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3016-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3016-2-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/3016-3-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3016-16-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3016-17-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/3016-274-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download

Analysis

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