cycbot | 2694b536eab1f0d875feb1e9f7385c14699f35414c6ff15e44654cf123827b34

General

Target

JaffaCakes118_9a483f6c74011a966c3f2ffcc7b7acb9.exe
Size

181KB
MD5

9a483f6c74011a966c3f2ffcc7b7acb9
SHA1

60b06132cfcc80cdff6a9e11f228097a53666d53
SHA256

2694b536eab1f0d875feb1e9f7385c14699f35414c6ff15e44654cf123827b34
SHA512

17639ed021269b64331e06626185b6aa5f4f5a26e0942154f31a950de5948b84e1f4e19ebe778078a05aaa4b86a7a3deb88cee1f9830b7c44b62eb7218a60eea
SSDEEP

3072:yNI8PkdPGywP7dnDkjR2hxTmPuZ/UdGQ4OFM0fg8p/S8qtafhEs1rD2poKy:yNI7r6dna8TCuCdV4OFMSB88K7kXEoKy

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/2784-16-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/1756-17-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2936-131-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/1756-310-0x0000000000400000-0x0000000000455000-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 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2784-16-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1756-17-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2936-131-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1756-310-0x0000000000400000-0x0000000000455000-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_9a483f6c74011a966c3f2ffcc7b7acb9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_9a483f6c74011a966c3f2ffcc7b7acb9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_9a483f6c74011a966c3f2ffcc7b7acb9.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1756 wrote to memory of 2784	1756	JaffaCakes118_9a483f6c74011a966c3f2ffcc7b7acb9.exe	29
PID 1756 wrote to memory of 2784	1756	JaffaCakes118_9a483f6c74011a966c3f2ffcc7b7acb9.exe	29
PID 1756 wrote to memory of 2784	1756	JaffaCakes118_9a483f6c74011a966c3f2ffcc7b7acb9.exe	29
PID 1756 wrote to memory of 2784	1756	JaffaCakes118_9a483f6c74011a966c3f2ffcc7b7acb9.exe	29
PID 1756 wrote to memory of 2936	1756	JaffaCakes118_9a483f6c74011a966c3f2ffcc7b7acb9.exe	31
PID 1756 wrote to memory of 2936	1756	JaffaCakes118_9a483f6c74011a966c3f2ffcc7b7acb9.exe	31
PID 1756 wrote to memory of 2936	1756	JaffaCakes118_9a483f6c74011a966c3f2ffcc7b7acb9.exe	31
PID 1756 wrote to memory of 2936	1756	JaffaCakes118_9a483f6c74011a966c3f2ffcc7b7acb9.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9a483f6c74011a966c3f2ffcc7b7acb9.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9a483f6c74011a966c3f2ffcc7b7acb9.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1756
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9a483f6c74011a966c3f2ffcc7b7acb9.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9a483f6c74011a966c3f2ffcc7b7acb9.exe startC:\Program Files (x86)\LP\85F9\B66.exe%C:\Program Files (x86)\LP\85F9
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2784
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9a483f6c74011a966c3f2ffcc7b7acb9.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9a483f6c74011a966c3f2ffcc7b7acb9.exe startC:\Users\Admin\AppData\Roaming\95533\75A85.exe%C:\Users\Admin\AppData\Roaming\95533
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2936

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\95533\3B7F.553

Filesize
1KB

MD5
83d25f32e0d95adaca99fc3d47d7f9b8

SHA1
aaf4fe30ce7ee27830e29e0047e4a9f016cd9e27

SHA256
ceedb1ec7d443a8e01bee26f0bbe39bc2df98ce28c27975fce3c5cae0cbccc93

SHA512
55a761059b31ae8b2857787f68dcfa6319b42878dde13f9c9dcb8cf80f19b261eb774d488391d78d6fc6a107caf068ad9751656030c0442dbce65311a8ebc1f6

Download Submit
C:\Users\Admin\AppData\Roaming\95533\3B7F.553

Filesize
897B

MD5
343450939cdd1742a06cbcfd5a515d22

SHA1
88879653030b6c2b780afb39be760c2d665426e0

SHA256
13f2f4a6a98546f7680d3f6b34f243545a5f85e5e3ffc3a15664427d53c5756d

SHA512
c733c81f48dffcea7f12fd84d926dd688d508d53054b3a07dba8fbf8226f5f4b929112376ac44089aaaf3b86e014abae5a6036eeba026a8b1e2b6ec11b81cc5b

Download Submit
C:\Users\Admin\AppData\Roaming\95533\3B7F.553

Filesize
1KB

MD5
4f8aec6ccd8ee931a325dc501627defe

SHA1
3fa5c2a23ec6bad81ab3bc807f946c2918a866e5

SHA256
f45a779c0a03e2c21492743bd86bbdf385aded758a8fc68a5bd1bbb91eff8dd8

SHA512
b993fad0b902a41b4607e5fdfa77ae41a65305af1dab5d9ab20b9a46a4c166f63a2f135d36e61f978424a8c2a0b2518764fc63ddec5a79d6267caa1ad783814d

Download Submit
C:\Users\Admin\AppData\Roaming\95533\3B7F.553

Filesize
597B

MD5
d4d9688a16a08543e7c8d991bd590b44

SHA1
73752e1d60839f8c706aeeb888384328774657b3

SHA256
96c738a3e96d904d597531b9b4be08c617f15b958a660908c0d41b927117db90

SHA512
504533bb69df1960b2e957946ec9bbca4e6e7d79ec25a4e749c959afea34b25ee8a4e2cd3d310d8ebeb3c52237207f794df52121e345a4723fbeb80e2837e711

Download Submit
memory/1756-0-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1756-17-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1756-310-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2784-16-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2936-131-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

Sharing