cycbot | fd502d0736cdccad4831041af0e4505de9fccbb8237891d46f5d2cab4a28d165

General

Target

JaffaCakes118_620fa39dd1bc64c352756d6e84e021b7.exe
Size

234KB
MD5

620fa39dd1bc64c352756d6e84e021b7
SHA1

27a2999bdb005ac8fb1d789ed2d63d92be7e87e5
SHA256

fd502d0736cdccad4831041af0e4505de9fccbb8237891d46f5d2cab4a28d165
SHA512

e91d4161de005bd38e8c4ccaa9c717906871dd481725648d9c8151c1a34e10ccc1be511866f965fd250fdda025d50d1f6824c1c20b78a628d60ac55c1d93a03e
SSDEEP

6144:ETLz/0qc5fTHBSHjqKvXU/pFpXbjBh04PEkpfK9h900f+s:E3r0qMTAtXUh/BKSD4v

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/2748-6-0x0000000000400000-0x000000000044C000-memory.dmp	family_cycbot
behavioral1/memory/3064-14-0x0000000000400000-0x000000000044C000-memory.dmp	family_cycbot
behavioral1/memory/2088-82-0x0000000000400000-0x000000000044C000-memory.dmp	family_cycbot
behavioral1/memory/3064-180-0x0000000000400000-0x000000000044C000-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/3064-2-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2748-5-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2748-6-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/3064-14-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2088-81-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2088-82-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/3064-180-0x0000000000400000-0x000000000044C000-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_620fa39dd1bc64c352756d6e84e021b7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_620fa39dd1bc64c352756d6e84e021b7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_620fa39dd1bc64c352756d6e84e021b7.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3064 wrote to memory of 2748	3064	JaffaCakes118_620fa39dd1bc64c352756d6e84e021b7.exe	30
PID 3064 wrote to memory of 2748	3064	JaffaCakes118_620fa39dd1bc64c352756d6e84e021b7.exe	30
PID 3064 wrote to memory of 2748	3064	JaffaCakes118_620fa39dd1bc64c352756d6e84e021b7.exe	30
PID 3064 wrote to memory of 2748	3064	JaffaCakes118_620fa39dd1bc64c352756d6e84e021b7.exe	30
PID 3064 wrote to memory of 2088	3064	JaffaCakes118_620fa39dd1bc64c352756d6e84e021b7.exe	32
PID 3064 wrote to memory of 2088	3064	JaffaCakes118_620fa39dd1bc64c352756d6e84e021b7.exe	32
PID 3064 wrote to memory of 2088	3064	JaffaCakes118_620fa39dd1bc64c352756d6e84e021b7.exe	32
PID 3064 wrote to memory of 2088	3064	JaffaCakes118_620fa39dd1bc64c352756d6e84e021b7.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_620fa39dd1bc64c352756d6e84e021b7.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_620fa39dd1bc64c352756d6e84e021b7.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3064
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_620fa39dd1bc64c352756d6e84e021b7.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_620fa39dd1bc64c352756d6e84e021b7.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2748
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_620fa39dd1bc64c352756d6e84e021b7.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_620fa39dd1bc64c352756d6e84e021b7.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2088

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\A7A4.A36

Filesize
1KB

MD5
447ff2b90466ad28ee9166eecec99849

SHA1
f9a3a9544343ed1c4e6ebd63703bf6a7b3eaded9

SHA256
2eeedaa0af23353cef7456d69e214056acb3d6e1274847887f82af0a6364b9cd

SHA512
5ef2cd94cf954b247370348f232e73b40b27fa9b64f686db3afd6bbf44c8dff3ae71776966169dc107fa7dca486a295c13d26b8e95fcb81ad53bd010521e82b3

Download Submit
C:\Users\Admin\AppData\Roaming\A7A4.A36

Filesize
600B

MD5
2d917fa7b0b70d73e852ee639735f8f9

SHA1
cc766e9bc4ef32a6e416e7b6b2274916ff7db871

SHA256
3b91be5ee81149d91e8df77957ffc985930389a629abb343a6e4d3dd89b74784

SHA512
321e2e8788a13d7bcc8f34731ecb13003068679b00f9ac2aedadd86f707b4a2b38877bc2552d9630512cb08bf8b865143b9a75cca00bfd9cad79ba4f44942255

Download Submit
C:\Users\Admin\AppData\Roaming\A7A4.A36

Filesize
996B

MD5
30296663436b3de472f23a14654cedbe

SHA1
50c9d0009d3448ae26ce6b5125282cc43f6f0439

SHA256
44578168914567b5092be67533fe99d1cc5d8bc748ba0c43f6ca0ea72e49834d

SHA512
02ea5468079289cd1502d3633c7a73c2c4b27ccecb33a06b738230c902b0e0b4b37f4d42e8a3367d959e85d392fda9df71f3580dd93cce682d8251ad45e7177a

Download Submit
memory/2088-81-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2088-82-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2748-5-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2748-6-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3064-1-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3064-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3064-14-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3064-180-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

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