cycbot | fb08474a1383c9f17135322c869b3377e21170862105f1c137ffc7510263709a

General

Target

JaffaCakes118_6e706049da909ebae3e3ad358384a260.exe
Size

173KB
MD5

6e706049da909ebae3e3ad358384a260
SHA1

6fa5aff04f089386ed0c24a45517d510ab223118
SHA256

fb08474a1383c9f17135322c869b3377e21170862105f1c137ffc7510263709a
SHA512

3de7d2eac1b2e6866eceb281f69b0de7e5c8293bbabcf323fcfdf872d88d126e7f6285c4f78c5b3fa80682438439b1ae59c7b93c7b733a5a34d181da24ded791
SSDEEP

3072:uPO4Wj4iN//v/J6W0oQEXQN3d68W0arM9wDoprGEP+63NGaMbtwT:uPO4Wj3N//wHoQEXQN3SZyz+w0aW

Score

10^/10

cycbot backdoor discovery persistence 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/2816-18-0x0000000000400000-0x0000000000444000-memory.dmp	family_cycbot
behavioral1/memory/2644-19-0x0000000000400000-0x0000000000444000-memory.dmp	family_cycbot
behavioral1/memory/2644-89-0x0000000000400000-0x0000000000444000-memory.dmp	family_cycbot
behavioral1/memory/1196-92-0x0000000000400000-0x0000000000444000-memory.dmp	family_cycbot
behavioral1/memory/2644-207-0x0000000000400000-0x0000000000444000-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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\conhost = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\conhost.exe"	JaffaCakes118_6e706049da909ebae3e3ad358384a260.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2644-2-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral1/memory/2816-17-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral1/memory/2816-18-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral1/memory/2644-19-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral1/memory/2644-89-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral1/memory/1196-91-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral1/memory/1196-92-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral1/memory/2644-207-0x0000000000400000-0x0000000000444000-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_6e706049da909ebae3e3ad358384a260.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6e706049da909ebae3e3ad358384a260.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6e706049da909ebae3e3ad358384a260.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 2816	2644	JaffaCakes118_6e706049da909ebae3e3ad358384a260.exe	30
PID 2644 wrote to memory of 2816	2644	JaffaCakes118_6e706049da909ebae3e3ad358384a260.exe	30
PID 2644 wrote to memory of 2816	2644	JaffaCakes118_6e706049da909ebae3e3ad358384a260.exe	30
PID 2644 wrote to memory of 2816	2644	JaffaCakes118_6e706049da909ebae3e3ad358384a260.exe	30
PID 2644 wrote to memory of 1196	2644	JaffaCakes118_6e706049da909ebae3e3ad358384a260.exe	32
PID 2644 wrote to memory of 1196	2644	JaffaCakes118_6e706049da909ebae3e3ad358384a260.exe	32
PID 2644 wrote to memory of 1196	2644	JaffaCakes118_6e706049da909ebae3e3ad358384a260.exe	32
PID 2644 wrote to memory of 1196	2644	JaffaCakes118_6e706049da909ebae3e3ad358384a260.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e706049da909ebae3e3ad358384a260.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e706049da909ebae3e3ad358384a260.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2644
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e706049da909ebae3e3ad358384a260.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e706049da909ebae3e3ad358384a260.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2816
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e706049da909ebae3e3ad358384a260.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e706049da909ebae3e3ad358384a260.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1196

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

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

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Downloads

C:\Users\Admin\AppData\Roaming\F080.75B

Filesize
597B

MD5
8f4478480e9a4e03a19fa96ffde09c26

SHA1
5f363ed8cb7f8538398e438fb63efdc74f027666

SHA256
1635d8b4c38d38e65993f502d14f1fa07dd9ed5146b53063f5ede802f7dcf864

SHA512
1299b10deaa1eb3ae4e3778f0c7fbbda1260c329086e32e1209bd200808312fcf912f19992073065b7e343b47788bc18f6e030e758b7948e4a529df5db791346

Download Submit
C:\Users\Admin\AppData\Roaming\F080.75B

Filesize
1KB

MD5
82feb0bea0590ee51a2f96d9cc538a04

SHA1
dc514e6e20524e24ef84fb9c61dccdeefccacf1b

SHA256
aeb0f29aaf69a00d22f44beeb3c5be3e85721b00fcc1d7be915618db2988ea8e

SHA512
212e8b8bd86761613c82ae5bb55b324df1df66f4f8afde3f96aad5b586be174106ca0b3fb7fa4f222d69a9ccbbeaa83bb963b4a5e74fa32c50d4a1c4cbf41691

Download Submit
C:\Users\Admin\AppData\Roaming\F080.75B

Filesize
897B

MD5
7f023ae17adb4c69d4f660156eeed153

SHA1
3212ea729d467aaf5874261f50aa84c2c244c2d0

SHA256
5c273d2af5ae9d1b4c3747b2f32bf1fe3af46f21ee88dd2c8e2e2268657a4604

SHA512
9d770d0653ed92d6abc31e4e8e38078352afe90ed9401fb912c0cbe5c8efcc7c828ea7d1905898c6c67e2c4320027976772a2a85a66e0187f0839d0b2aeb1c1b

Download Submit
C:\Users\Admin\AppData\Roaming\F080.75B

Filesize
1KB

MD5
8b51568fd8b859ad7e8695421ccbf25b

SHA1
d50e9a5f24014f52523e2cf964079c604751c719

SHA256
82dad790e279c6554540729db7b4ebb507ea3385a141dc20f37d3bf7d7cb2fe4

SHA512
5c4a0e105620b08cfca317b0e0184d4bcac0d95c1b644bf1fba2ca5485b4c19fa140c24889a6a2c71f7981854cf9ef10f7e21be8a6b4153ff81f8aa5ef4c8031

Download Submit
memory/1196-92-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1196-91-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2644-19-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2644-89-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2644-1-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2644-2-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2644-207-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2816-18-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2816-17-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads