cycbot | 76c7ac6e39553fe1143d39d648b1ac4f9783805e59ade5c0e2ca155af3905d72

General

Target

76c7ac6e39553fe1143d39d648b1ac4f9783805e59ade5c0e2ca155af3905d72N.exe
Size

179KB
MD5

c798c1b9cba4ffcd33671c47941ea9f0
SHA1

82c5fe85508987cfd549bbc668c51a0c9ddd829c
SHA256

76c7ac6e39553fe1143d39d648b1ac4f9783805e59ade5c0e2ca155af3905d72
SHA512

3deb22f84c56c1200c76e0fe94adc609ae1d8c2912b0e0971a57cad02beba87cc2ed1ba2be2afcffc5e4c043ea08be7dae70b958f811ba22f9f12fa198f11fe6
SSDEEP

3072:L8svOQUkW/hGG03dj2bLYZurqqMR96F0AXNErDCHC1u815Se6gFprk:L/vOQfSGG0xeYZufMR9ATNEb1l5Syr

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/2924-13-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/1996-14-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/1996-15-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/2996-122-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/1996-281-0x0000000000400000-0x0000000000454000-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/1996-3-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2924-13-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1996-14-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1996-15-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/2996-122-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2996-121-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1996-281-0x0000000000400000-0x0000000000454000-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	76c7ac6e39553fe1143d39d648b1ac4f9783805e59ade5c0e2ca155af3905d72N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	76c7ac6e39553fe1143d39d648b1ac4f9783805e59ade5c0e2ca155af3905d72N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	76c7ac6e39553fe1143d39d648b1ac4f9783805e59ade5c0e2ca155af3905d72N.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 2924	1996	76c7ac6e39553fe1143d39d648b1ac4f9783805e59ade5c0e2ca155af3905d72N.exe	30
PID 1996 wrote to memory of 2924	1996	76c7ac6e39553fe1143d39d648b1ac4f9783805e59ade5c0e2ca155af3905d72N.exe	30
PID 1996 wrote to memory of 2924	1996	76c7ac6e39553fe1143d39d648b1ac4f9783805e59ade5c0e2ca155af3905d72N.exe	30
PID 1996 wrote to memory of 2924	1996	76c7ac6e39553fe1143d39d648b1ac4f9783805e59ade5c0e2ca155af3905d72N.exe	30
PID 1996 wrote to memory of 2996	1996	76c7ac6e39553fe1143d39d648b1ac4f9783805e59ade5c0e2ca155af3905d72N.exe	32
PID 1996 wrote to memory of 2996	1996	76c7ac6e39553fe1143d39d648b1ac4f9783805e59ade5c0e2ca155af3905d72N.exe	32
PID 1996 wrote to memory of 2996	1996	76c7ac6e39553fe1143d39d648b1ac4f9783805e59ade5c0e2ca155af3905d72N.exe	32
PID 1996 wrote to memory of 2996	1996	76c7ac6e39553fe1143d39d648b1ac4f9783805e59ade5c0e2ca155af3905d72N.exe	32

C:\Users\Admin\AppData\Local\Temp\76c7ac6e39553fe1143d39d648b1ac4f9783805e59ade5c0e2ca155af3905d72N.exe
"C:\Users\Admin\AppData\Local\Temp\76c7ac6e39553fe1143d39d648b1ac4f9783805e59ade5c0e2ca155af3905d72N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Users\Admin\AppData\Local\Temp\76c7ac6e39553fe1143d39d648b1ac4f9783805e59ade5c0e2ca155af3905d72N.exe
  C:\Users\Admin\AppData\Local\Temp\76c7ac6e39553fe1143d39d648b1ac4f9783805e59ade5c0e2ca155af3905d72N.exe startC:\Program Files (x86)\LP\7811\302.exe%C:\Program Files (x86)\LP\7811
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2924
- C:\Users\Admin\AppData\Local\Temp\76c7ac6e39553fe1143d39d648b1ac4f9783805e59ade5c0e2ca155af3905d72N.exe
  C:\Users\Admin\AppData\Local\Temp\76c7ac6e39553fe1143d39d648b1ac4f9783805e59ade5c0e2ca155af3905d72N.exe startC:\Users\Admin\AppData\Roaming\1B9F1\82278.exe%C:\Users\Admin\AppData\Roaming\1B9F1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2996

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\1B9F1\136C.B9F

Filesize
996B

MD5
c2d0bea36a304fa0048705bcc8a068d8

SHA1
65c0a9639a43b711bb0512a99e4030dd1cae9c81

SHA256
b8d8636bc4174775f0ca8e9236380c78e76786360e6c9ccede3bf7a12f1589ab

SHA512
0c366710531837cca1118ff592230b22aeba31b1c609743fe2a268e5870f0d1f9aff1d2a3c3f1e493413bdca4c4352fe1ca02125b5dc2411a382f164f1c4511f

Download Submit
C:\Users\Admin\AppData\Roaming\1B9F1\136C.B9F

Filesize
600B

MD5
3427723ff11e5ac2d182ebe91ea05d80

SHA1
ad95b34777ed0ce882d06d0021bd4efc63f93c7d

SHA256
02a88ecd650e2ef1e25e206f0f7213cb7bc39facb028d16e9ee0e026daabf16a

SHA512
4c1f2c834a6167866470bf503d85655261b916f0730b477d935349f3702b26bbb675d5bd9946479bbaa0ac35e6b9035e9aa6e83dfa68fffb04feb08b4b66d6fe

Download Submit
C:\Users\Admin\AppData\Roaming\1B9F1\136C.B9F

Filesize
1KB

MD5
b31b47714101c084dbed9d2c21f0aceb

SHA1
2f2a5ffc75b4e1b780b3c22925809568e8c58a2c

SHA256
aa6eff80eb97b50b5f08352ab9e5e28db4a809471081d0b5e20da915ddd667b8

SHA512
9da66c1696c98f2e3665bdd24a17ecd9ea166d43bae19868b94ae8e9c717a6c52bf3ab5dd058920b01327297b7f06c01c91e19809859eb4f98b7acf738c27c0b

Download Submit
memory/1996-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1996-2-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1996-3-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1996-14-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1996-15-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1996-281-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2924-13-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2996-122-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2996-121-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download

Analysis

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