cycbot | 1a9bfc6a675e53b2e1fdd150f10aa3d1546b9c63540d0a2dc52113cb434088b9

General

Target

1a9bfc6a675e53b2e1fdd150f10aa3d1546b9c63540d0a2dc52113cb434088b9N.exe
Size

181KB
MD5

c6a93c5b7fe7915de3b31f133c370ce0
SHA1

984e837a21a137bf6cb74692dcab458ca7507fa4
SHA256

1a9bfc6a675e53b2e1fdd150f10aa3d1546b9c63540d0a2dc52113cb434088b9
SHA512

ccc4732f3eb02c8bd447f0772958e68d43eec18dcf325e6f9139f2d37a0855ba8794afcb9ccf8a1cc937b8578f7ce07a01415a63d1bb25de5d513525f54b260c
SSDEEP

3072:fMyMzQw6ScvdO6gJKYpzKM/zB0E9IGOvNcbTt+vZu9MA4L9oMz:fM+SMgJppnzKIbTt+s9MAI9oA

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/2756-15-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/2920-16-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/2920-17-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/2280-129-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/2920-312-0x0000000000400000-0x0000000000454000-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 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2920-3-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2756-13-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2756-15-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2920-16-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2920-17-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/2280-127-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2280-129-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2920-312-0x0000000000400000-0x0000000000454000-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	1a9bfc6a675e53b2e1fdd150f10aa3d1546b9c63540d0a2dc52113cb434088b9N.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2920 wrote to memory of 2756	2920	1a9bfc6a675e53b2e1fdd150f10aa3d1546b9c63540d0a2dc52113cb434088b9N.exe	28
PID 2920 wrote to memory of 2756	2920	1a9bfc6a675e53b2e1fdd150f10aa3d1546b9c63540d0a2dc52113cb434088b9N.exe	28
PID 2920 wrote to memory of 2756	2920	1a9bfc6a675e53b2e1fdd150f10aa3d1546b9c63540d0a2dc52113cb434088b9N.exe	28
PID 2920 wrote to memory of 2756	2920	1a9bfc6a675e53b2e1fdd150f10aa3d1546b9c63540d0a2dc52113cb434088b9N.exe	28
PID 2920 wrote to memory of 2280	2920	1a9bfc6a675e53b2e1fdd150f10aa3d1546b9c63540d0a2dc52113cb434088b9N.exe	30
PID 2920 wrote to memory of 2280	2920	1a9bfc6a675e53b2e1fdd150f10aa3d1546b9c63540d0a2dc52113cb434088b9N.exe	30
PID 2920 wrote to memory of 2280	2920	1a9bfc6a675e53b2e1fdd150f10aa3d1546b9c63540d0a2dc52113cb434088b9N.exe	30
PID 2920 wrote to memory of 2280	2920	1a9bfc6a675e53b2e1fdd150f10aa3d1546b9c63540d0a2dc52113cb434088b9N.exe	30

C:\Users\Admin\AppData\Local\Temp\1a9bfc6a675e53b2e1fdd150f10aa3d1546b9c63540d0a2dc52113cb434088b9N.exe
"C:\Users\Admin\AppData\Local\Temp\1a9bfc6a675e53b2e1fdd150f10aa3d1546b9c63540d0a2dc52113cb434088b9N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2920
- C:\Users\Admin\AppData\Local\Temp\1a9bfc6a675e53b2e1fdd150f10aa3d1546b9c63540d0a2dc52113cb434088b9N.exe
  C:\Users\Admin\AppData\Local\Temp\1a9bfc6a675e53b2e1fdd150f10aa3d1546b9c63540d0a2dc52113cb434088b9N.exe startC:\Program Files (x86)\LP\AF03\82B.exe%C:\Program Files (x86)\LP\AF03
  2⤵
  PID:2756
- C:\Users\Admin\AppData\Local\Temp\1a9bfc6a675e53b2e1fdd150f10aa3d1546b9c63540d0a2dc52113cb434088b9N.exe
  C:\Users\Admin\AppData\Local\Temp\1a9bfc6a675e53b2e1fdd150f10aa3d1546b9c63540d0a2dc52113cb434088b9N.exe startC:\Users\Admin\AppData\Roaming\3CB59\EC9AF.exe%C:\Users\Admin\AppData\Roaming\3CB59
  2⤵
  PID:2280

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\3CB59\9BC5.CB5

Filesize
996B

MD5
36f6b59a284dfb1c858baaad1ff98501

SHA1
1b8417515226e033bf20d8ececfd4095feaaa28c

SHA256
ff386669bbea6035b703cf813b21d7b343e699b71bcb1f5ccac22971d9f4159e

SHA512
0f4e5d5032c4041e12e6d3a4573de9bcae3806af21595e6dc51651dfaf58b14770a56964adf93bd9107582992a9c7211964db5dd32adbd9940ef7f870df425e2

Download Submit
C:\Users\Admin\AppData\Roaming\3CB59\9BC5.CB5

Filesize
600B

MD5
cbf09a7ed59dbba39a861d5eb61514f2

SHA1
b40cc4dec6880f29f693e84b7ca6c79462445aa6

SHA256
ed754fc4c7159892249175301e56a710533c3526df962fba134166fb4d09a899

SHA512
14c8d06f63806b8403f50a4f34fa0b79abb3c0305e1df613e03f0d5ff1315bdad5564e3f22f322012d8632bc05c5e1f84d8e83dda0377a7fb2949a9d7e934299

Download Submit
C:\Users\Admin\AppData\Roaming\3CB59\9BC5.CB5

Filesize
1KB

MD5
0ef4df8f9640b7186174c320fa072fe8

SHA1
1405cc6d7c0442a98641a5802c7798f2ddb0c952

SHA256
5204adab41b3a8c4112f4d4991f3e8d3552b7e87dee3dc44ab66301f5bf18379

SHA512
fb53bfb5405ea15ed2fadb6df974939a8ea08dda319b10a520df186c5cb8457ff564ea517e6fd915678d6003c5072dd2b49c1fcfb2dacf88be5475eb67794763

Download Submit
memory/2280-129-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2280-127-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2756-13-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2756-15-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2920-17-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2920-16-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2920-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2920-3-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2920-2-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2920-312-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download

Analysis

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