cycbot | 30f1c6ac72b3270361d56ff705827fa7f21320518b672f093193b2fec5a75c4b

General

Target

30f1c6ac72b3270361d56ff705827fa7f21320518b672f093193b2fec5a75c4b.exe
Size

164KB
MD5

f27fa19266252fd7360613f3b360485c
SHA1

af1719e7603f965521808417cbddae41dd397694
SHA256

30f1c6ac72b3270361d56ff705827fa7f21320518b672f093193b2fec5a75c4b
SHA512

047844f48af7daf42a21fe78df5ab772553792791d1a0d978f4acf628748d49848c3689168f2b5b9e11718b0e2674cf916094c9ee353515e89df87b05ac32122
SSDEEP

3072:l15en6TOPzqM5Wq2j8lf/1n27/4QHEKxZYtspMkndHWcqMpV4sEr:Ls66P2GWq/BtS4QDHYtUnw8EsEr

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/2540-10-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/3060-21-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/568-86-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/3060-194-0x0000000000400000-0x0000000000469000-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 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3060-2-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/3060-1-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/2540-8-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/2540-10-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/3060-21-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/568-84-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/568-86-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/3060-194-0x0000000000400000-0x0000000000469000-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	30f1c6ac72b3270361d56ff705827fa7f21320518b672f093193b2fec5a75c4b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	30f1c6ac72b3270361d56ff705827fa7f21320518b672f093193b2fec5a75c4b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	30f1c6ac72b3270361d56ff705827fa7f21320518b672f093193b2fec5a75c4b.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3060 wrote to memory of 2540	3060	30f1c6ac72b3270361d56ff705827fa7f21320518b672f093193b2fec5a75c4b.exe	30
PID 3060 wrote to memory of 2540	3060	30f1c6ac72b3270361d56ff705827fa7f21320518b672f093193b2fec5a75c4b.exe	30
PID 3060 wrote to memory of 2540	3060	30f1c6ac72b3270361d56ff705827fa7f21320518b672f093193b2fec5a75c4b.exe	30
PID 3060 wrote to memory of 2540	3060	30f1c6ac72b3270361d56ff705827fa7f21320518b672f093193b2fec5a75c4b.exe	30
PID 3060 wrote to memory of 568	3060	30f1c6ac72b3270361d56ff705827fa7f21320518b672f093193b2fec5a75c4b.exe	33
PID 3060 wrote to memory of 568	3060	30f1c6ac72b3270361d56ff705827fa7f21320518b672f093193b2fec5a75c4b.exe	33
PID 3060 wrote to memory of 568	3060	30f1c6ac72b3270361d56ff705827fa7f21320518b672f093193b2fec5a75c4b.exe	33
PID 3060 wrote to memory of 568	3060	30f1c6ac72b3270361d56ff705827fa7f21320518b672f093193b2fec5a75c4b.exe	33

C:\Users\Admin\AppData\Local\Temp\30f1c6ac72b3270361d56ff705827fa7f21320518b672f093193b2fec5a75c4b.exe
"C:\Users\Admin\AppData\Local\Temp\30f1c6ac72b3270361d56ff705827fa7f21320518b672f093193b2fec5a75c4b.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3060
- C:\Users\Admin\AppData\Local\Temp\30f1c6ac72b3270361d56ff705827fa7f21320518b672f093193b2fec5a75c4b.exe
  C:\Users\Admin\AppData\Local\Temp\30f1c6ac72b3270361d56ff705827fa7f21320518b672f093193b2fec5a75c4b.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2540
- C:\Users\Admin\AppData\Local\Temp\30f1c6ac72b3270361d56ff705827fa7f21320518b672f093193b2fec5a75c4b.exe
  C:\Users\Admin\AppData\Local\Temp\30f1c6ac72b3270361d56ff705827fa7f21320518b672f093193b2fec5a75c4b.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:568

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\3529.141

Filesize
597B

MD5
83221dc78d7ccb57dfa5d1354f32ed36

SHA1
b78761803920676c71ad3104134ad90613a30d59

SHA256
a73f1c7391a3ce4b0c8fe51f343199dcbdf58c1d5b68d7108da5838f21133d26

SHA512
61e51ac40365b26a1f4af5a98ecb9f9f367ac3e220b46c217ccaeddd53a5b47433a7dabc82348de576ae9034f4a19bb3f72edf5db3972c26bfdf6cb291513686

Download Submit
C:\Users\Admin\AppData\Roaming\3529.141

Filesize
1KB

MD5
c63db5a7c6cc822d5d94b0e142b25d3e

SHA1
c28be08f79b27da96a5fc7f755f3c5afb76c70b5

SHA256
c573dd01bdff5edc58eb791e8c20e83359d926fba8d5e1a02841766b93b442d9

SHA512
4d24b68dcb039c042cc6bb869920aca728cd003c35b82458491595c35204f3703c4b2e5bd8f98344fc72d37a14764c15c2d114d5b971dc3cabd9975906650d8a

Download Submit
C:\Users\Admin\AppData\Roaming\3529.141

Filesize
897B

MD5
ac1375e8d0eb5f9366c5e750d210df5b

SHA1
84161db17065bf37fa75dc85001cc7d9919b6daa

SHA256
7be46897a5f0cd901bf3ed52fe1dc9e215fc6d732c349cd9ff196a9352d26b06

SHA512
7ee218297041da70b2c64c500cfca2a440af7e12e255f652cc0ed1076bd6f81ef51c96b9231c68c684dd5cdcd9564e11225acae6f5dfb348460b787ffd4b91c5

Download Submit
C:\Users\Admin\AppData\Roaming\3529.141

Filesize
1KB

MD5
41a02d6cf60ec9c82a45b19d26e0cc0a

SHA1
cbde6acc6b66596fc9cfad638a48923386658c68

SHA256
8d81b73c82b2a434962d03ed0efa39ff627d904d20368dc2556abed21a62d943

SHA512
1b264ee0947357981bea59e99c2fa9f927089ca232ce4d59c54c07a22f958fd40959a4f5bb6a16fb86821a7d71440d2b99e1d45ca37c37edb2a68d97710e5936

Download Submit
memory/568-86-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/568-84-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2540-8-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2540-10-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2540-7-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3060-21-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3060-2-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3060-1-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3060-194-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download

Analysis

Sharing