cycbot | bb9addc975dfdf9dfde3a22e8b9dbba679549961676b4e4bce26caaeefc6a304

General

Target

bb9addc975dfdf9dfde3a22e8b9dbba679549961676b4e4bce26caaeefc6a304.exe
Size

180KB
MD5

9576ced894b1306bb46ea64e5e3cc1b3
SHA1

b0aedd64fd52a19d80df3381df1d3a2ff0fef3e9
SHA256

bb9addc975dfdf9dfde3a22e8b9dbba679549961676b4e4bce26caaeefc6a304
SHA512

a9caa0e61e5c356ef79bff9223e1db1a0a6d40690d7b59a601230c0aa2434bba90dbb7035d9e0d90ba9339e6ab79826d40f5c576c77288252119b6f40936c275
SSDEEP

3072:KEVm8FDMBRQW578SzOKdImBUdkDnnzUn0e4TZAQEjaPHEG4hJo5kLctnYZst6AZe:1NJMrdJ5dImBKckD4TKaPE3C5kLctnYn

Score

10^/10

cycbot backdoor discovery rat 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
behavioral2/memory/780-14-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/548-15-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/548-16-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral2/memory/2104-131-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/548-310-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/548-3-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/780-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/780-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/548-15-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/548-16-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/2104-130-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/2104-131-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/548-310-0x0000000000400000-0x0000000000455000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 1 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	bb9addc975dfdf9dfde3a22e8b9dbba679549961676b4e4bce26caaeefc6a304.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 548 wrote to memory of 780	548	bb9addc975dfdf9dfde3a22e8b9dbba679549961676b4e4bce26caaeefc6a304.exe	91
PID 548 wrote to memory of 780	548	bb9addc975dfdf9dfde3a22e8b9dbba679549961676b4e4bce26caaeefc6a304.exe	91
PID 548 wrote to memory of 780	548	bb9addc975dfdf9dfde3a22e8b9dbba679549961676b4e4bce26caaeefc6a304.exe	91
PID 548 wrote to memory of 2104	548	bb9addc975dfdf9dfde3a22e8b9dbba679549961676b4e4bce26caaeefc6a304.exe	100
PID 548 wrote to memory of 2104	548	bb9addc975dfdf9dfde3a22e8b9dbba679549961676b4e4bce26caaeefc6a304.exe	100
PID 548 wrote to memory of 2104	548	bb9addc975dfdf9dfde3a22e8b9dbba679549961676b4e4bce26caaeefc6a304.exe	100

C:\Users\Admin\AppData\Local\Temp\bb9addc975dfdf9dfde3a22e8b9dbba679549961676b4e4bce26caaeefc6a304.exe
"C:\Users\Admin\AppData\Local\Temp\bb9addc975dfdf9dfde3a22e8b9dbba679549961676b4e4bce26caaeefc6a304.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:548
- C:\Users\Admin\AppData\Local\Temp\bb9addc975dfdf9dfde3a22e8b9dbba679549961676b4e4bce26caaeefc6a304.exe
  C:\Users\Admin\AppData\Local\Temp\bb9addc975dfdf9dfde3a22e8b9dbba679549961676b4e4bce26caaeefc6a304.exe startC:\Program Files (x86)\LP\0B01\619.exe%C:\Program Files (x86)\LP\0B01
  2⤵
  PID:780
- C:\Users\Admin\AppData\Local\Temp\bb9addc975dfdf9dfde3a22e8b9dbba679549961676b4e4bce26caaeefc6a304.exe
  C:\Users\Admin\AppData\Local\Temp\bb9addc975dfdf9dfde3a22e8b9dbba679549961676b4e4bce26caaeefc6a304.exe startC:\Users\Admin\AppData\Roaming\17D5C\97B0B.exe%C:\Users\Admin\AppData\Roaming\17D5C
  2⤵
  PID:2104

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\17D5C\C397.7D5

Filesize
996B

MD5
5a1dd95f161827755eca051687447d57

SHA1
2819075a03cacfce886ab88df8edadb96381027b

SHA256
dd1f7ef7bcc2a905b5e38aa03210ad8dae0d0de16641f8ce07c91850fbff05a2

SHA512
cab058451765986b16490d8d1a8ca13a13362ea118c45fc811270beec752139922384595d676f8663e410188ee41ebebaf1416f985671b7ca393744c8c92584c

Download Submit
C:\Users\Admin\AppData\Roaming\17D5C\C397.7D5

Filesize
600B

MD5
9943af79e8684d67354d9e44bcf581c2

SHA1
d2d4f61850211f3f386d6e20bbddf6448149b257

SHA256
53a90f68760f978e379d795ca2d312f12e81aa6e4c5b95dc640b96ad2b936b7c

SHA512
3960c4cc750726b94691caa0cbe6ff27edc7467349a4dbc23b3cca6d35d7cf0f329fab5250623b6de32ae5abd6de864c085185f70838924ef8f0a58642f6d1f4

Download Submit
C:\Users\Admin\AppData\Roaming\17D5C\C397.7D5

Filesize
1KB

MD5
d3a9c1ded69a974ad221f4bb293a7936

SHA1
c9d6b83802e0bd45141e7da63b61eb9c9d79cf02

SHA256
c616e88008c628ef5e2273da58d336aeea198dab3d20a8b68df8e30819957f55

SHA512
c885b204685a72f3948ce61b7ab0d05a29f9e9c91ab01356c3e0a6ce44514388018877ee43d6a25f884d3d3c9a9bb945a149babbbf925e423191d769110cd00b

Download Submit
memory/548-3-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/548-2-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/548-0-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/548-310-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/548-15-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/548-16-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/780-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/780-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2104-131-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2104-130-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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