cycbot | 495da484cef759211fd773b30a029984c591387f3eac73d4114a6703e8d6c9a2

General

Target

JaffaCakes118_6529fdafbfd66484515e1578a08d1895.exe
Size

184KB
MD5

6529fdafbfd66484515e1578a08d1895
SHA1

8058d1978902a3bba52fc839e6e3d9f8dc752649
SHA256

495da484cef759211fd773b30a029984c591387f3eac73d4114a6703e8d6c9a2
SHA512

e7675c657f10010589607c57bfd6b390f8d24e38322ffed07a52e2eccfdf18685c6d546ff66aeaee5fe42df4899b56880e11ce8aa1b04cbccac974e1e644ce3b
SSDEEP

3072:Hr57etotAEgTYgS5d9YeV4+0muwGbt+DgwWUTZM+bwyr14d4wKU:LFefEgMTH9J4/btugvUOfo8O

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/2368-13-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/2316-14-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/2024-81-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/2316-190-0x0000000000400000-0x000000000044E000-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/2316-2-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2368-12-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2368-13-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2316-14-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2024-81-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2316-190-0x0000000000400000-0x000000000044E000-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	JaffaCakes118_6529fdafbfd66484515e1578a08d1895.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6529fdafbfd66484515e1578a08d1895.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6529fdafbfd66484515e1578a08d1895.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 2368	2316	JaffaCakes118_6529fdafbfd66484515e1578a08d1895.exe	30
PID 2316 wrote to memory of 2368	2316	JaffaCakes118_6529fdafbfd66484515e1578a08d1895.exe	30
PID 2316 wrote to memory of 2368	2316	JaffaCakes118_6529fdafbfd66484515e1578a08d1895.exe	30
PID 2316 wrote to memory of 2368	2316	JaffaCakes118_6529fdafbfd66484515e1578a08d1895.exe	30
PID 2316 wrote to memory of 2024	2316	JaffaCakes118_6529fdafbfd66484515e1578a08d1895.exe	32
PID 2316 wrote to memory of 2024	2316	JaffaCakes118_6529fdafbfd66484515e1578a08d1895.exe	32
PID 2316 wrote to memory of 2024	2316	JaffaCakes118_6529fdafbfd66484515e1578a08d1895.exe	32
PID 2316 wrote to memory of 2024	2316	JaffaCakes118_6529fdafbfd66484515e1578a08d1895.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6529fdafbfd66484515e1578a08d1895.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6529fdafbfd66484515e1578a08d1895.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2316
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6529fdafbfd66484515e1578a08d1895.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6529fdafbfd66484515e1578a08d1895.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2368
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6529fdafbfd66484515e1578a08d1895.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6529fdafbfd66484515e1578a08d1895.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2024

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\023D.1FC

Filesize
1KB

MD5
1519e7209cac1065c054e909a8262ca3

SHA1
1de49881f8c61b430737dd1fb9dec9c72daeb518

SHA256
bf28cdcf2c7afe3cfde90aef7ef0ea75c07a9e284fd9cbb47aca934927f02cb7

SHA512
45caebae09bd862584ea76f435327fdd81e20e7ec68869c273dcae454bee923226b5b9db25b55e9a772b8298b3169df89f64cab41261a63df001e7ec130ebbb4

Download Submit
C:\Users\Admin\AppData\Roaming\023D.1FC

Filesize
600B

MD5
223a8f82135998d13b360648821e21cd

SHA1
12b5899d20dc6635804044fa38efce954d32429a

SHA256
a6bc144c2d4267a2e6316f01bea65632bf8325139bdc7e1811ceaadf6eb22665

SHA512
643115a1eed160ed6eb6a0b74b8555efde41cd38516cc38fa3d1c22e9ffc655d288d9a843b58bb6f6ef50286de6f7739e1eea653159d54dee3b7e998c66bfd83

Download Submit
C:\Users\Admin\AppData\Roaming\023D.1FC

Filesize
996B

MD5
20d534b3414fb2a625dead0e1e34edc5

SHA1
b0f99f981de06d33bd826e6c68eb00122dd111ff

SHA256
6bf182a286d785a81b38adbd8d0d6869baab4ca786aeae5e76901dcee07df452

SHA512
e0600accdb580302c41a95db462a0d7bdcf7475ac3410fead4a52303c6c8d2cd6a218b46b5eb7c13c791adbf995390a3b821b1943b5ca98c6192ddebd3d69c71

Download Submit
memory/2024-81-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2316-1-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2316-2-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2316-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2316-190-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2368-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2368-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

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