cycbot | adb57815b3d5c3b17f340101ab2397124a45a0450af96b66ecac60e5ef7e704a

General

Target

JaffaCakes118_c4464656a3d490b10b3b71b6a2287f65.exe
Size

204KB
MD5

c4464656a3d490b10b3b71b6a2287f65
SHA1

ce63f750fbca1f74dce30d30f94b28790a644d52
SHA256

adb57815b3d5c3b17f340101ab2397124a45a0450af96b66ecac60e5ef7e704a
SHA512

4562b8ef946ab317b2ace064fbf2717bd28c4fbcbe7554bfff6f37fd171a4240ec40d90d099a11aff697523c62e42b1d0540ea64244a32f9606776c32b5ecd29
SSDEEP

6144:67b6ld+AyS0Ugndwef3MYkVvpXQfItsw:67e+rS0Ugdww3nkPQu

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 6 IoCs

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

resource	yara_rule
behavioral1/memory/2016-13-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2016-14-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/3056-15-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/1484-85-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/1484-87-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/3056-192-0x0000000000400000-0x0000000000455000-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 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3056-2-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2016-12-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2016-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2016-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/3056-15-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1484-85-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1484-87-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/3056-192-0x0000000000400000-0x0000000000455000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 1 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_c4464656a3d490b10b3b71b6a2287f65.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3056 wrote to memory of 2016	3056	JaffaCakes118_c4464656a3d490b10b3b71b6a2287f65.exe	30
PID 3056 wrote to memory of 2016	3056	JaffaCakes118_c4464656a3d490b10b3b71b6a2287f65.exe	30
PID 3056 wrote to memory of 2016	3056	JaffaCakes118_c4464656a3d490b10b3b71b6a2287f65.exe	30
PID 3056 wrote to memory of 2016	3056	JaffaCakes118_c4464656a3d490b10b3b71b6a2287f65.exe	30
PID 3056 wrote to memory of 1484	3056	JaffaCakes118_c4464656a3d490b10b3b71b6a2287f65.exe	32
PID 3056 wrote to memory of 1484	3056	JaffaCakes118_c4464656a3d490b10b3b71b6a2287f65.exe	32
PID 3056 wrote to memory of 1484	3056	JaffaCakes118_c4464656a3d490b10b3b71b6a2287f65.exe	32
PID 3056 wrote to memory of 1484	3056	JaffaCakes118_c4464656a3d490b10b3b71b6a2287f65.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c4464656a3d490b10b3b71b6a2287f65.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c4464656a3d490b10b3b71b6a2287f65.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3056
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c4464656a3d490b10b3b71b6a2287f65.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c4464656a3d490b10b3b71b6a2287f65.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  PID:2016
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c4464656a3d490b10b3b71b6a2287f65.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c4464656a3d490b10b3b71b6a2287f65.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  PID:1484

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\076D.790

Filesize
1KB

MD5
d28d6ea343caa87dd1be8a0f6fafc6d4

SHA1
603039e67e703e8f897c7fd050f34b42f03d9440

SHA256
277e0217ad682282d9a0f51d99e12a522ffacaf9d3825df460f9b0f67c30fc53

SHA512
fc0447a742a414151a2bbb661a518a4457f086efe8d658f4596818a9d8f4f702832c6598763bab9f5212ebf91cfad334f210cccd133b5a0f9eb88f64c94fc833

Download Submit
C:\Users\Admin\AppData\Roaming\076D.790

Filesize
600B

MD5
61d3daef25fba4c8a54ee66433b23877

SHA1
ea7765e0abf40647bd47a127b34ef55305f00241

SHA256
e5b2b386c8ccb4346de7e95d16c85609959d0a3f95b08580df12ecbe0cfe5a94

SHA512
7bf8c84d477326036ae75d30b66fb1d5f9f318ab416730be5aa452f606de2b046829c745ad39aba5ad6fe4d4c8f8ab097dedd5555bb1e8b30a0e6b72d78c3f64

Download Submit
C:\Users\Admin\AppData\Roaming\076D.790

Filesize
996B

MD5
38b1035179ce5bdbfc301a329fdfe04b

SHA1
32fb4d28ba00a0138baf7d29e0c3687e7384dfda

SHA256
d30bfcf179bd1d4165ebc135fb2955c817561b7c30500ced57e282b900e28266

SHA512
d82b54e9a69a8fde6dca421a0cb9ddd4fb6b7881ae618a296e85e81a368bc20ffc61727fafa5d2bcaade2bc4d42fc9040359f32ccc2b35941dc5be7de659e00d

Download Submit
memory/1484-87-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1484-85-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1484-84-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2016-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2016-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2016-12-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3056-15-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3056-1-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3056-2-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3056-192-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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