cycbot | 7306f0dc2b9d6bc4e9a2875c3eb0a7d31b64bd5b1aa28e00f238884615d87d93

General

Target

JaffaCakes118_4bdaec4dacec66581977ace5a21aea7a.exe
Size

185KB
MD5

4bdaec4dacec66581977ace5a21aea7a
SHA1

562f5dd4cc827ff762e5e4aca17ceb255d54cb57
SHA256

7306f0dc2b9d6bc4e9a2875c3eb0a7d31b64bd5b1aa28e00f238884615d87d93
SHA512

c2c1a1c480a2e663fd9fea9ec9a2f50674667d0528609d1892c04691272edc245a1be7d7cf43b388e59fa7fb250ee391f3b1007827989fdc69f9d997917e6339
SSDEEP

3072:cJTJRoRjCk+OlS7h9pYt7K0gl3rV5vNyU8Hfe7qYoxFS/R2/0pcQPny:iTJmk88+Ro7PlH8/wqYoS/oqcQPn

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/3020-13-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/1660-14-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/1660-15-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/1792-86-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/1660-187-0x0000000000400000-0x0000000000455000-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/1660-2-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/3020-12-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/3020-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1660-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1660-15-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/1792-84-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1792-86-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1660-187-0x0000000000400000-0x0000000000455000-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_4bdaec4dacec66581977ace5a21aea7a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_4bdaec4dacec66581977ace5a21aea7a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_4bdaec4dacec66581977ace5a21aea7a.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1660 wrote to memory of 3020	1660	JaffaCakes118_4bdaec4dacec66581977ace5a21aea7a.exe	31
PID 1660 wrote to memory of 3020	1660	JaffaCakes118_4bdaec4dacec66581977ace5a21aea7a.exe	31
PID 1660 wrote to memory of 3020	1660	JaffaCakes118_4bdaec4dacec66581977ace5a21aea7a.exe	31
PID 1660 wrote to memory of 3020	1660	JaffaCakes118_4bdaec4dacec66581977ace5a21aea7a.exe	31
PID 1660 wrote to memory of 1792	1660	JaffaCakes118_4bdaec4dacec66581977ace5a21aea7a.exe	33
PID 1660 wrote to memory of 1792	1660	JaffaCakes118_4bdaec4dacec66581977ace5a21aea7a.exe	33
PID 1660 wrote to memory of 1792	1660	JaffaCakes118_4bdaec4dacec66581977ace5a21aea7a.exe	33
PID 1660 wrote to memory of 1792	1660	JaffaCakes118_4bdaec4dacec66581977ace5a21aea7a.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4bdaec4dacec66581977ace5a21aea7a.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4bdaec4dacec66581977ace5a21aea7a.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1660
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4bdaec4dacec66581977ace5a21aea7a.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4bdaec4dacec66581977ace5a21aea7a.exe startC:\Program Files (x86)\LP\0FDE\B11.exe%C:\Program Files (x86)\LP\0FDE
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3020
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4bdaec4dacec66581977ace5a21aea7a.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4bdaec4dacec66581977ace5a21aea7a.exe startC:\Users\Admin\AppData\Roaming\EF657\BE40F.exe%C:\Users\Admin\AppData\Roaming\EF657
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1792

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\EF657\7772.F65

Filesize
1KB

MD5
e92250ccb7392e719e0ecf33c25300ab

SHA1
a53f14b76b943e1017b773511b19bca2b96cd4c8

SHA256
91d33d0716066ee82183dd6d7624fa9ed791e24ec6524c1c52191a903d2ae737

SHA512
f22d2887df42f555d71cb842d64fadd11eeb9be04fcaab494ca81ba926ef7f95c29aabc930f4114b740c6c222c80f5e4245dfeee5228c5d0a4d1828a486b5999

Download Submit
C:\Users\Admin\AppData\Roaming\EF657\7772.F65

Filesize
600B

MD5
d24300b545660667be7d63108afdb8ca

SHA1
f45b9cf876aaf2863d244069aee9ad6325ccc3cc

SHA256
af4a910cdd3dbc05553e781d466fe382f5fa56edf7c607efba708e6f193a1473

SHA512
8f569e27685cfe7e9d76897ac3a2f9e8dd3af76b9463a50b4e147bd589946cd3527caa7db561edac528c1aa6a52e5a7a324bb55fbe718da1d177c3cd6c4f3b1f

Download Submit
C:\Users\Admin\AppData\Roaming\EF657\7772.F65

Filesize
996B

MD5
d63afe0044dc84b30a62f3a3dbebc454

SHA1
70f02a8afb40f7e84507138e948bf7e7cb54b3e7

SHA256
a7720a1fe4f369b7ea744ca19a36a3b82b255684fe170be446ac5513fca87092

SHA512
caeec003a44bb3631535a4de688a0e72383dce60cab3a0f46b43fc397c1d44f4d8ef83b6071d7f5f557f6261460a1b8e0375abaf9100bf62470d3a214a68cc15

Download Submit
memory/1660-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1660-2-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1660-187-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1660-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1660-15-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1792-86-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1792-84-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3020-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3020-11-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3020-12-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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