cycbot | 1e1bdfd4e612a1d832ec913ced852a906b28863e77f23b011013bd86ce1bbe6c

General

Target

1e1bdfd4e612a1d832ec913ced852a906b28863e77f23b011013bd86ce1bbe6c.exe
Size

188KB
MD5

7ee39b38f507ed65c497c49f2f6f0504
SHA1

7580cbfc8913a8f7d3582958bd428fd281882db2
SHA256

1e1bdfd4e612a1d832ec913ced852a906b28863e77f23b011013bd86ce1bbe6c
SHA512

a40fb026f693c715215de45286d10defff6cd5684f86f24ea0aa2b87f0c121ac3491d17b73ec049b8f9f39b93e0a449dd5775cf08e6bdc917f81a686675ab081
SSDEEP

3072:2s/pebp6nCyce+ORB7ur9WMQn+OQVm24KsOz8p5UhrJHWnTA+ims:9LPceHRBQWqwXEz8puRWnTy

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/2412-13-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/3044-14-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/1052-81-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/3044-182-0x0000000000400000-0x000000000044E000-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 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3044-2-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2412-13-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/3044-14-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/1052-80-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/1052-81-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/3044-182-0x0000000000400000-0x000000000044E000-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	1e1bdfd4e612a1d832ec913ced852a906b28863e77f23b011013bd86ce1bbe6c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1e1bdfd4e612a1d832ec913ced852a906b28863e77f23b011013bd86ce1bbe6c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1e1bdfd4e612a1d832ec913ced852a906b28863e77f23b011013bd86ce1bbe6c.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 2412	3044	1e1bdfd4e612a1d832ec913ced852a906b28863e77f23b011013bd86ce1bbe6c.exe	31
PID 3044 wrote to memory of 2412	3044	1e1bdfd4e612a1d832ec913ced852a906b28863e77f23b011013bd86ce1bbe6c.exe	31
PID 3044 wrote to memory of 2412	3044	1e1bdfd4e612a1d832ec913ced852a906b28863e77f23b011013bd86ce1bbe6c.exe	31
PID 3044 wrote to memory of 2412	3044	1e1bdfd4e612a1d832ec913ced852a906b28863e77f23b011013bd86ce1bbe6c.exe	31
PID 3044 wrote to memory of 1052	3044	1e1bdfd4e612a1d832ec913ced852a906b28863e77f23b011013bd86ce1bbe6c.exe	33
PID 3044 wrote to memory of 1052	3044	1e1bdfd4e612a1d832ec913ced852a906b28863e77f23b011013bd86ce1bbe6c.exe	33
PID 3044 wrote to memory of 1052	3044	1e1bdfd4e612a1d832ec913ced852a906b28863e77f23b011013bd86ce1bbe6c.exe	33
PID 3044 wrote to memory of 1052	3044	1e1bdfd4e612a1d832ec913ced852a906b28863e77f23b011013bd86ce1bbe6c.exe	33

C:\Users\Admin\AppData\Local\Temp\1e1bdfd4e612a1d832ec913ced852a906b28863e77f23b011013bd86ce1bbe6c.exe
"C:\Users\Admin\AppData\Local\Temp\1e1bdfd4e612a1d832ec913ced852a906b28863e77f23b011013bd86ce1bbe6c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Users\Admin\AppData\Local\Temp\1e1bdfd4e612a1d832ec913ced852a906b28863e77f23b011013bd86ce1bbe6c.exe
  C:\Users\Admin\AppData\Local\Temp\1e1bdfd4e612a1d832ec913ced852a906b28863e77f23b011013bd86ce1bbe6c.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2412
- C:\Users\Admin\AppData\Local\Temp\1e1bdfd4e612a1d832ec913ced852a906b28863e77f23b011013bd86ce1bbe6c.exe
  C:\Users\Admin\AppData\Local\Temp\1e1bdfd4e612a1d832ec913ced852a906b28863e77f23b011013bd86ce1bbe6c.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1052

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\D265.CAF

Filesize
1KB

MD5
158096c277bd6db8f75f82bdcf1dec3d

SHA1
ffe0b6d18b429bd7bc396fd1a56f144588d1226c

SHA256
05e3447084d2110765fe6cac386c766ad5c52b38eb43efd2858838bc80040a2b

SHA512
97c57ff6e8b8b8b006db0ccb314b7257a95aca8e9124a5ae79cbe6eab2697e0b6451574492dea72250a613a82b35301076a11e20cd9d9a78809ba29f807a9fd9

Download Submit
C:\Users\Admin\AppData\Roaming\D265.CAF

Filesize
600B

MD5
4232458e773583d0f12be07c2b74804e

SHA1
e3ccdc72503b22eeec5a9e3cc00c48af7c6beaf6

SHA256
24b3047172ece684fcfa4c143f62e13f7d14012295b79e3386a0ccd383423197

SHA512
b0540f11f23cd7ab8c936713a4ff64ef745aa14e5598d02cbdb01cc97baac9a0c11495266f5a7a0affe82852ca184b236cc4950674702992a885e5a523e706bc

Download Submit
memory/1052-80-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1052-81-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2412-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3044-2-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3044-1-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3044-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3044-182-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

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