cycbot | a42c0cf23f69f6c17b690dd3f23084880353843bcd0f61d74415e2244a95950a

General

Target

JaffaCakes118_38ee2f7da145791409a8052e12f8e0cc.exe
Size

185KB
MD5

38ee2f7da145791409a8052e12f8e0cc
SHA1

8dab844d542b9ed93356e7d0b0e41e787147786a
SHA256

a42c0cf23f69f6c17b690dd3f23084880353843bcd0f61d74415e2244a95950a
SHA512

962045f521c6508863ef13a3acfa638e8ca976a612cfc532266629a1f962d3c9f5c97a3cdc18310d28617b7f17b08d0b73e1ba86835322f4da1f19da0e35b849
SSDEEP

3072:nI/WCbUUXR2yKcKXZccIizTjQWxmnpy8HU31tllyp4tNM:nU1/2yKcWZnIi3jQGGMfBtNM

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/2672-14-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/2156-19-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/1708-90-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/2156-191-0x0000000000400000-0x000000000044E000-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/2156-2-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2672-13-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2672-14-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2156-19-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/1708-89-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/1708-90-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2156-191-0x0000000000400000-0x000000000044E000-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_38ee2f7da145791409a8052e12f8e0cc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_38ee2f7da145791409a8052e12f8e0cc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_38ee2f7da145791409a8052e12f8e0cc.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 2672	2156	JaffaCakes118_38ee2f7da145791409a8052e12f8e0cc.exe	30
PID 2156 wrote to memory of 2672	2156	JaffaCakes118_38ee2f7da145791409a8052e12f8e0cc.exe	30
PID 2156 wrote to memory of 2672	2156	JaffaCakes118_38ee2f7da145791409a8052e12f8e0cc.exe	30
PID 2156 wrote to memory of 2672	2156	JaffaCakes118_38ee2f7da145791409a8052e12f8e0cc.exe	30
PID 2156 wrote to memory of 1708	2156	JaffaCakes118_38ee2f7da145791409a8052e12f8e0cc.exe	32
PID 2156 wrote to memory of 1708	2156	JaffaCakes118_38ee2f7da145791409a8052e12f8e0cc.exe	32
PID 2156 wrote to memory of 1708	2156	JaffaCakes118_38ee2f7da145791409a8052e12f8e0cc.exe	32
PID 2156 wrote to memory of 1708	2156	JaffaCakes118_38ee2f7da145791409a8052e12f8e0cc.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_38ee2f7da145791409a8052e12f8e0cc.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_38ee2f7da145791409a8052e12f8e0cc.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2156
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_38ee2f7da145791409a8052e12f8e0cc.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_38ee2f7da145791409a8052e12f8e0cc.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2672
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_38ee2f7da145791409a8052e12f8e0cc.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_38ee2f7da145791409a8052e12f8e0cc.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1708

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\2453.719

Filesize
597B

MD5
7bb851b0bd900cbee7658ec8607a2638

SHA1
198bc73ee5b6a64853e5f9f0549b8ec19e63e538

SHA256
63cd4aaef32e853f7c6fd0dc5cffdd5004696d18df69b525bf6345bc6658ae97

SHA512
30a6f8d2519fd47f5268738e1c3713aeb66fb7523079423c7293b249c6d984ed069ffa951508d3b01eb7e954acf0b69edb1941c3b5e00c946336ffd500bd98e2

Download Submit
C:\Users\Admin\AppData\Roaming\2453.719

Filesize
1KB

MD5
cca335ea7dc057ed439e310cc6945db8

SHA1
968a1c89d6a4f94704c0ae0bb8e81944e4fab172

SHA256
8b7e3b936aca20a12ea99d0a8e0d39a5f4ea0393b70c9f36790396a1bf7a6420

SHA512
a97a9e6d01324073c5460c486d51ba619c9021c9a2b8659d84df60542ce0d0a9178320399e768eb02af9a4697c453b2534821ea957fd3d6e9da77fb7c2d688bd

Download Submit
C:\Users\Admin\AppData\Roaming\2453.719

Filesize
897B

MD5
3105dddeb887bea0d1bb730d6988dd3c

SHA1
9c2983e31bd4d52133eaedb7f1290f3cd01e4231

SHA256
9df0d1202e1e1121a8c6ccaf7ebfed216a80fbe53a6a2951bcdce702bc84e4c3

SHA512
e4a38f08427cf27a13c3d49dc210357c7ad8468dd8ed0331f2fd9ae08c51ed4cfcbc6d37be33dd7b831560c3d6dce9ca8582af008b1bcc67155f408e36f95112

Download Submit
C:\Users\Admin\AppData\Roaming\2453.719

Filesize
1KB

MD5
0d44bda2e351e7c764cea09659b866c4

SHA1
bb0a5e42118eaedf2c64380ed86bacbe829da234

SHA256
70031ebb47d78e427f4727513beeba8368f6b6714f62ff7000ada22f52950ea5

SHA512
e9633078d7872b80930c8ae0e7b1a2f5af67858034a6dd8b6c0a4a2d3c5407e2c587e2a822297d33bd98cdacfd8cbea758f145850cfe396cead19a469fe73855

Download Submit
memory/1708-89-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1708-90-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2156-1-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2156-2-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2156-19-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2156-191-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2672-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2672-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

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