cycbot | 35e0e820ca195111cad0cae7538361c3a68eb612552fdf6c476adfc682a4e4da

General

Target

JaffaCakes118_6186d864c5f25345d8c07d31d61846e7.exe
Size

180KB
MD5

6186d864c5f25345d8c07d31d61846e7
SHA1

74a7582b07a04de1489c0ef1a4c6bf2bb8f268f7
SHA256

35e0e820ca195111cad0cae7538361c3a68eb612552fdf6c476adfc682a4e4da
SHA512

265992f61f980bb4f1fd8fb6b0db91b68a10bfe8b516629dfc49cb7a8b0e9a99b6b420cb5d72ea8aa0a297d6482faf43940d8be416a6caebbfd39bcd20a24451
SSDEEP

3072:inLbgwBa0lI9fWUPHeedkYD+YUz9epd3khvEgsYjMLW1o10n9ZpYdzk:inYwBlwWw154Ipd3R9ES1qrYq

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/2964-13-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2592-15-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2592-16-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/3032-128-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2592-323-0x0000000000400000-0x0000000000455000-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 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2592-3-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2964-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2592-15-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2592-16-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/3032-128-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2592-323-0x0000000000400000-0x0000000000455000-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_6186d864c5f25345d8c07d31d61846e7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6186d864c5f25345d8c07d31d61846e7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6186d864c5f25345d8c07d31d61846e7.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2592 wrote to memory of 2964	2592	JaffaCakes118_6186d864c5f25345d8c07d31d61846e7.exe	30
PID 2592 wrote to memory of 2964	2592	JaffaCakes118_6186d864c5f25345d8c07d31d61846e7.exe	30
PID 2592 wrote to memory of 2964	2592	JaffaCakes118_6186d864c5f25345d8c07d31d61846e7.exe	30
PID 2592 wrote to memory of 2964	2592	JaffaCakes118_6186d864c5f25345d8c07d31d61846e7.exe	30
PID 2592 wrote to memory of 3032	2592	JaffaCakes118_6186d864c5f25345d8c07d31d61846e7.exe	32
PID 2592 wrote to memory of 3032	2592	JaffaCakes118_6186d864c5f25345d8c07d31d61846e7.exe	32
PID 2592 wrote to memory of 3032	2592	JaffaCakes118_6186d864c5f25345d8c07d31d61846e7.exe	32
PID 2592 wrote to memory of 3032	2592	JaffaCakes118_6186d864c5f25345d8c07d31d61846e7.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6186d864c5f25345d8c07d31d61846e7.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6186d864c5f25345d8c07d31d61846e7.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2592
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6186d864c5f25345d8c07d31d61846e7.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6186d864c5f25345d8c07d31d61846e7.exe startC:\Program Files (x86)\LP\88B4\5CE.exe%C:\Program Files (x86)\LP\88B4
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2964
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6186d864c5f25345d8c07d31d61846e7.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6186d864c5f25345d8c07d31d61846e7.exe startC:\Users\Admin\AppData\Roaming\4762C\AA988.exe%C:\Users\Admin\AppData\Roaming\4762C
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3032

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\4762C\CA14.762

Filesize
996B

MD5
7a268acf77a0557664fe9e436ddc9a6e

SHA1
dbdac5b4f81ced8cf5ab82e1bf99f05a19159542

SHA256
2707d01b5cd39a7bf7e90d6d0f408224da425d8cda5c70c3c207acae4ca5fdbc

SHA512
f6b0da5f3ef8f6f03cd7817451b10a451bcd2de9ecb34d8d1d50bcd255a21a7c2f030c3683c99036b3a8f9837aed5d39e9fa844c2fd860179f14aafd6ecef640

Download Submit
C:\Users\Admin\AppData\Roaming\4762C\CA14.762

Filesize
600B

MD5
d7263468b0cd458ed9eb77cfb1fda92b

SHA1
b387422f148c71cd91010e2e80680689420d47c1

SHA256
30d40dd5db863fe99bac7e88049b505cf01a4e23da0ee63a94575120b1e8cf0d

SHA512
8bf0717c5138664805d9f28915ecbb49b9aa06165aaa90eaf37f10628c5933810ac43901eb4bca2d5f3074f7d66c71352f95575ec5a56c58b6d233b05fd6eace

Download Submit
C:\Users\Admin\AppData\Roaming\4762C\CA14.762

Filesize
1KB

MD5
131aeef0dc4a66fb9293410849e60a62

SHA1
a9e69ad8679c4ad857ccd4569777ef83f7a3a7cd

SHA256
3394fc03430f2dcf3eae3cc4c475d7fd0e39a7bdbcb71f80d1be9a78da5106c5

SHA512
533e292a67b8fc2ba9e7b846977eabc6448d882f764e07e99865ee953ce5a38df5072e86888aa71b4d635cc667a93111ff6492d9ed7873825973466ef57bc3ce

Download Submit
memory/2592-2-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2592-3-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2592-0-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2592-15-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2592-16-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2592-323-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2964-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3032-125-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download
memory/3032-127-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3032-128-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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