cycbot | abf6cc22659591dff1a2f28165f18823ccd32254b77326915a50cc8a4386087a

General

Target

JaffaCakes118_3bab17bae73d51937d86192224353760.exe
Size

181KB
MD5

3bab17bae73d51937d86192224353760
SHA1

783f30d5cb0de250e2e890c8d724f3a36a7381a6
SHA256

abf6cc22659591dff1a2f28165f18823ccd32254b77326915a50cc8a4386087a
SHA512

8b03ebfff64eff2cc4b7133ed749107b5458b3c8b7236ed7657550d2944fa7ea9985e026b459c9274b5ab093487cb231cdf9ff07696fb8bb04335cbb56626bf4
SSDEEP

3072:BWD4RpcT27bdga2te1cfA52U4er2NXCY2FInmw0ZRn7zUOGbEeoRA7uVNGc:0MXPeDE/qeramGmrjnUOGtO

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 5 IoCs

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

resource	yara_rule
behavioral1/memory/2448-14-0x0000000000400000-0x000000000046C000-memory.dmp	family_cycbot
behavioral1/memory/2448-15-0x0000000000400000-0x000000000046C000-memory.dmp	family_cycbot
behavioral1/memory/1976-16-0x0000000000400000-0x000000000046C000-memory.dmp	family_cycbot
behavioral1/memory/1088-98-0x0000000000400000-0x000000000046C000-memory.dmp	family_cycbot
behavioral1/memory/1976-215-0x0000000000400000-0x000000000046C000-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/1976-2-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral1/memory/2448-14-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral1/memory/2448-15-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral1/memory/1976-16-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral1/memory/1088-98-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral1/memory/1088-96-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral1/memory/1976-215-0x0000000000400000-0x000000000046C000-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_3bab17bae73d51937d86192224353760.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_3bab17bae73d51937d86192224353760.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_3bab17bae73d51937d86192224353760.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 2448	1976	JaffaCakes118_3bab17bae73d51937d86192224353760.exe	30
PID 1976 wrote to memory of 2448	1976	JaffaCakes118_3bab17bae73d51937d86192224353760.exe	30
PID 1976 wrote to memory of 2448	1976	JaffaCakes118_3bab17bae73d51937d86192224353760.exe	30
PID 1976 wrote to memory of 2448	1976	JaffaCakes118_3bab17bae73d51937d86192224353760.exe	30
PID 1976 wrote to memory of 1088	1976	JaffaCakes118_3bab17bae73d51937d86192224353760.exe	33
PID 1976 wrote to memory of 1088	1976	JaffaCakes118_3bab17bae73d51937d86192224353760.exe	33
PID 1976 wrote to memory of 1088	1976	JaffaCakes118_3bab17bae73d51937d86192224353760.exe	33
PID 1976 wrote to memory of 1088	1976	JaffaCakes118_3bab17bae73d51937d86192224353760.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bab17bae73d51937d86192224353760.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bab17bae73d51937d86192224353760.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bab17bae73d51937d86192224353760.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bab17bae73d51937d86192224353760.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2448
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bab17bae73d51937d86192224353760.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bab17bae73d51937d86192224353760.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1088

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\ADC1.F29

Filesize
1KB

MD5
055495a7e4e695ed68322058000873c1

SHA1
462649c89f2d7e202546b2e3438fa7717ef559e9

SHA256
d60f3e434e7fb832d75038c03bd5fc10f50fb7744f8fd2ed319979968fd117d2

SHA512
6896f229814b4676e9ef29fa9fdc791d5d3e6ea18d08fdccf8e100c526d2d0da5b2bfedcf8a04f147dd0eb7b6f973ff9cd5a80234d826c13a0f54ceec4ba7224

Download Submit
C:\Users\Admin\AppData\Roaming\ADC1.F29

Filesize
600B

MD5
c395e4045dd3d652ed4ebd94f0a91e5e

SHA1
86f176cca7183c61e706224524c0fccf6625b677

SHA256
8076aea62f52fba4af1531b7b27443f3ee93fe8874684e87505bce2daeebec76

SHA512
aeba55b830240e1853638cedc1afc1b67ab19f04efc10a335c627566ccfdffe4f4031fed523d731d3413ee0ae2d76590e2e92e9aed532fb3237827347c1445af

Download Submit
C:\Users\Admin\AppData\Roaming\ADC1.F29

Filesize
996B

MD5
f92afd394687a7f553a249c5c4c4db6e

SHA1
51614ec69ec82687445289dbe5a2860d1920981f

SHA256
ec9e6e5fa95439eee78546415f4b39cc1895a4b5f43c0aa31d13a55b445c1140

SHA512
3ec839a9791f04b2029c7cf6472f16e0e17f9db4c20873869a36f5a151635bef2fb4e5dcb8546d9e18c9ba16fc918c0a48462b1fd3413b789a3e103dcdca1176

Download Submit
memory/1088-95-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/1088-98-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/1088-96-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/1976-1-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/1976-2-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/1976-16-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/1976-215-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2448-14-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2448-15-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download

Resubmissions

Analysis

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