cycbot | 0fe6a7d56da95f7fc6941f1a0ca462c2be1524bb2a999e5909bed73deeed7459

General

Target

JaffaCakes118_38d0284f390540324bad53f4fd6a723c.exe
Size

192KB
MD5

38d0284f390540324bad53f4fd6a723c
SHA1

205654b5fe6e8ea6379fb0c02ac801515e9124ed
SHA256

0fe6a7d56da95f7fc6941f1a0ca462c2be1524bb2a999e5909bed73deeed7459
SHA512

732095c4ad9e541931f83113b26d28bf8e9059a5a4ba03c8be866b9df6abd469504995b49e08cd1183a785b77a76fc23daa6ee687e79c3a84000b0fc04bf6e46
SSDEEP

3072:SWtfAwfqNrriq/WkhtqLkiWWxw7R/zr/FJt/XqDXdl+sPT9troqn:XXqJriG7htgT0BJJtCdQsb9tr/

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/1984-14-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/1992-15-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/2660-75-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/1992-180-0x0000000000400000-0x000000000044E000-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 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1992-2-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/1984-12-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/1984-14-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/1992-15-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2660-74-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2660-75-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/1992-180-0x0000000000400000-0x000000000044E000-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_38d0284f390540324bad53f4fd6a723c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_38d0284f390540324bad53f4fd6a723c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_38d0284f390540324bad53f4fd6a723c.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 1984	1992	JaffaCakes118_38d0284f390540324bad53f4fd6a723c.exe	30
PID 1992 wrote to memory of 1984	1992	JaffaCakes118_38d0284f390540324bad53f4fd6a723c.exe	30
PID 1992 wrote to memory of 1984	1992	JaffaCakes118_38d0284f390540324bad53f4fd6a723c.exe	30
PID 1992 wrote to memory of 1984	1992	JaffaCakes118_38d0284f390540324bad53f4fd6a723c.exe	30
PID 1992 wrote to memory of 2660	1992	JaffaCakes118_38d0284f390540324bad53f4fd6a723c.exe	33
PID 1992 wrote to memory of 2660	1992	JaffaCakes118_38d0284f390540324bad53f4fd6a723c.exe	33
PID 1992 wrote to memory of 2660	1992	JaffaCakes118_38d0284f390540324bad53f4fd6a723c.exe	33
PID 1992 wrote to memory of 2660	1992	JaffaCakes118_38d0284f390540324bad53f4fd6a723c.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_38d0284f390540324bad53f4fd6a723c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_38d0284f390540324bad53f4fd6a723c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_38d0284f390540324bad53f4fd6a723c.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_38d0284f390540324bad53f4fd6a723c.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1984
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_38d0284f390540324bad53f4fd6a723c.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_38d0284f390540324bad53f4fd6a723c.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2660

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\209D.214

Filesize
1KB

MD5
57a0706e6f8048fd77be83c7c6f11e96

SHA1
989d7aa059768d751f3af1cbf0e68eef855d58ba

SHA256
5904aeee498e4db3781b259be857a5c6fcea3751c500ae30b10e1c944e64ca45

SHA512
75d10be798e4516508a9aa451d591c75be72fda4da307693fe24349292efae875811467675cfc0d33cc26ef95023ae4614e18028a11e8be5110f052deef47430

Download Submit
C:\Users\Admin\AppData\Roaming\209D.214

Filesize
600B

MD5
75321ef99cad868018395cf18d6e0528

SHA1
08fa290a8090f9d78ec8b47bb1d91ce1d71b25df

SHA256
f4bdba35418c5cb66c00f4f081c3839fb272e4b8ffeaf54ace76962e1196e2cb

SHA512
ad0c9588a0debb0a6410fabcc970758c8bc554ab9d52c5adf03f827f148497251845f9c1fa4aace5927fa953fcbfb166ff4e00d1693a4ccb0ef00c4961fec7f1

Download Submit
C:\Users\Admin\AppData\Roaming\209D.214

Filesize
996B

MD5
f2dea45ea9e5e9fd662170d82a3b679c

SHA1
357e1d2e463f867d1e7107898d702bf94e34ce6d

SHA256
e41f1875717e8b0daa341d6679ed078a85dfbf2617618ed5556465e82f89da78

SHA512
e3815036892a1ffdc742646901b7312c4f1411209cf031644764f1f561db7978588d336cb3bde33fdd130f8d0dadf2b0057d381090266d57528f0b0abd4d1d23

Download Submit
memory/1984-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1984-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1992-1-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1992-2-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1992-15-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1992-180-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2660-74-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2660-75-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

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