cycbot | 12238fbd91346299f1e1c9f4cbd7c7c55c890d6dbd4e8d6e8c45c136b7ecb59b

General

Target

12238fbd91346299f1e1c9f4cbd7c7c55c890d6dbd4e8d6e8c45c136b7ecb59bN.exe
Size

185KB
MD5

cbe87368dbcf1e8029a0ab25661fea50
SHA1

1cc06f474a50b1e162f9aa60c098fe69c3b45e4d
SHA256

12238fbd91346299f1e1c9f4cbd7c7c55c890d6dbd4e8d6e8c45c136b7ecb59b
SHA512

fc36f7ff11c37f86b72ad8942c5e451fef7a787830a4ea4c2203e56a5383a68334949886972a624663744e96fc6ee3f56826343166b7d65726d0590839a39909
SSDEEP

3072:nIYDw69F10RfNvMTqenRvDi3OOk0djGzC/o+ZsFeM+VktbMUNR/YdRRe2dH+gC:Ij6TyMPnRvu3OJCGzCg+Z6eYbMUfWRLv

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/2264-14-0x0000000000400000-0x0000000000471000-memory.dmp	family_cycbot
behavioral1/memory/2068-15-0x0000000000400000-0x0000000000471000-memory.dmp	family_cycbot
behavioral1/memory/560-87-0x0000000000400000-0x0000000000471000-memory.dmp	family_cycbot
behavioral1/memory/2068-203-0x0000000000400000-0x0000000000471000-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/2068-2-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/2264-12-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/2264-14-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/2068-15-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/560-87-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/560-86-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/2068-203-0x0000000000400000-0x0000000000471000-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	12238fbd91346299f1e1c9f4cbd7c7c55c890d6dbd4e8d6e8c45c136b7ecb59bN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	12238fbd91346299f1e1c9f4cbd7c7c55c890d6dbd4e8d6e8c45c136b7ecb59bN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	12238fbd91346299f1e1c9f4cbd7c7c55c890d6dbd4e8d6e8c45c136b7ecb59bN.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 2264	2068	12238fbd91346299f1e1c9f4cbd7c7c55c890d6dbd4e8d6e8c45c136b7ecb59bN.exe	30
PID 2068 wrote to memory of 2264	2068	12238fbd91346299f1e1c9f4cbd7c7c55c890d6dbd4e8d6e8c45c136b7ecb59bN.exe	30
PID 2068 wrote to memory of 2264	2068	12238fbd91346299f1e1c9f4cbd7c7c55c890d6dbd4e8d6e8c45c136b7ecb59bN.exe	30
PID 2068 wrote to memory of 2264	2068	12238fbd91346299f1e1c9f4cbd7c7c55c890d6dbd4e8d6e8c45c136b7ecb59bN.exe	30
PID 2068 wrote to memory of 560	2068	12238fbd91346299f1e1c9f4cbd7c7c55c890d6dbd4e8d6e8c45c136b7ecb59bN.exe	33
PID 2068 wrote to memory of 560	2068	12238fbd91346299f1e1c9f4cbd7c7c55c890d6dbd4e8d6e8c45c136b7ecb59bN.exe	33
PID 2068 wrote to memory of 560	2068	12238fbd91346299f1e1c9f4cbd7c7c55c890d6dbd4e8d6e8c45c136b7ecb59bN.exe	33
PID 2068 wrote to memory of 560	2068	12238fbd91346299f1e1c9f4cbd7c7c55c890d6dbd4e8d6e8c45c136b7ecb59bN.exe	33

C:\Users\Admin\AppData\Local\Temp\12238fbd91346299f1e1c9f4cbd7c7c55c890d6dbd4e8d6e8c45c136b7ecb59bN.exe
"C:\Users\Admin\AppData\Local\Temp\12238fbd91346299f1e1c9f4cbd7c7c55c890d6dbd4e8d6e8c45c136b7ecb59bN.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2068
- C:\Users\Admin\AppData\Local\Temp\12238fbd91346299f1e1c9f4cbd7c7c55c890d6dbd4e8d6e8c45c136b7ecb59bN.exe
  C:\Users\Admin\AppData\Local\Temp\12238fbd91346299f1e1c9f4cbd7c7c55c890d6dbd4e8d6e8c45c136b7ecb59bN.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2264
- C:\Users\Admin\AppData\Local\Temp\12238fbd91346299f1e1c9f4cbd7c7c55c890d6dbd4e8d6e8c45c136b7ecb59bN.exe
  C:\Users\Admin\AppData\Local\Temp\12238fbd91346299f1e1c9f4cbd7c7c55c890d6dbd4e8d6e8c45c136b7ecb59bN.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:560

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\0BA9.466

Filesize
1KB

MD5
a8efede56f3ddb3b938a49560c97d667

SHA1
aa04e54315baa2f0908309c67d58b232281b6d81

SHA256
0152066390102d1ab1a7681b6174497e041850854fd0c97c5746893ce708b824

SHA512
ecc1da3961b5e3bcb7a61d8a63f42688499783e2a81b97729e64f69c82c5444d96aab7f678a2ce1aff5516c3f9ba001b17f7b3b7a53cd1fdbd651b9f7d2e89c1

Download Submit
C:\Users\Admin\AppData\Roaming\0BA9.466

Filesize
600B

MD5
e424674dedacd5af08df349e1f56afb5

SHA1
78bebdb212e9899849502adf3e47092ef4143c89

SHA256
a397298465da4063a0c984c6dd4ce756aab673746e47f01bb852b024a9928940

SHA512
4df3503f3812f0a5664a03e465ce1c8b1715c95f36785d0ef327f096de29bd1c787d18a970825a64686e321d8283915e49fe7e0121344b1825cd9f415f743eef

Download Submit
C:\Users\Admin\AppData\Roaming\0BA9.466

Filesize
996B

MD5
ab1f9a7ebe33afdb456ef1ffffc9f3d7

SHA1
27a2f946f90e0147621e4c263d257a6efab1d8e1

SHA256
774eb82a1449a95d9c988b444b0961b2bffdb4e12f92891fcef874e92d9da757

SHA512
986ff4a95475fab79e4bc55d83de804434182419110c16bbbeaf074b42edcdf06271e7319d8fba6e95e27edc99710d0f4c38ac97d70ba26539723d66e1250fa9

Download Submit
memory/560-87-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/560-86-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2068-1-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2068-2-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2068-15-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2068-203-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2264-12-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2264-14-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download

Analysis

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