cycbot | 0eb2c8a34b7ba4e0abd4a6d94b20308d403e5eca5f90a8f5921821d4e58768c3

General

Target

JaffaCakes118_38bf2a8b1f4c73c42b9855ccd13f7c28.exe
Size

182KB
MD5

38bf2a8b1f4c73c42b9855ccd13f7c28
SHA1

2cd13b659691d29471e6ac8a61ef138ee73bb50c
SHA256

0eb2c8a34b7ba4e0abd4a6d94b20308d403e5eca5f90a8f5921821d4e58768c3
SHA512

63480544de946af4ff372ee0bc47abc32f9aff75dfe6b1541ff52df1be61e00221a4e90600fc9f15f0cb6318d133ea9f3d1f597d140df9ec0dd8a3984a39b847
SSDEEP

3072:QQEM79d98KzHVu+H6YzNwHyjKTqxBUpJs/gegsrDpV73QxrIUtxgX/LjnAB9ueJz:TD9d98KzIPqOHyjKTqxBdjrgJIUtiX/K

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/2536-8-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/1260-16-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/1968-84-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/1260-191-0x0000000000400000-0x000000000044E000-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/1260-2-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2536-6-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2536-8-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/1260-16-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/1968-82-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/1968-84-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/1260-191-0x0000000000400000-0x000000000044E000-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_38bf2a8b1f4c73c42b9855ccd13f7c28.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_38bf2a8b1f4c73c42b9855ccd13f7c28.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_38bf2a8b1f4c73c42b9855ccd13f7c28.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1260 wrote to memory of 2536	1260	JaffaCakes118_38bf2a8b1f4c73c42b9855ccd13f7c28.exe	30
PID 1260 wrote to memory of 2536	1260	JaffaCakes118_38bf2a8b1f4c73c42b9855ccd13f7c28.exe	30
PID 1260 wrote to memory of 2536	1260	JaffaCakes118_38bf2a8b1f4c73c42b9855ccd13f7c28.exe	30
PID 1260 wrote to memory of 2536	1260	JaffaCakes118_38bf2a8b1f4c73c42b9855ccd13f7c28.exe	30
PID 1260 wrote to memory of 1968	1260	JaffaCakes118_38bf2a8b1f4c73c42b9855ccd13f7c28.exe	33
PID 1260 wrote to memory of 1968	1260	JaffaCakes118_38bf2a8b1f4c73c42b9855ccd13f7c28.exe	33
PID 1260 wrote to memory of 1968	1260	JaffaCakes118_38bf2a8b1f4c73c42b9855ccd13f7c28.exe	33
PID 1260 wrote to memory of 1968	1260	JaffaCakes118_38bf2a8b1f4c73c42b9855ccd13f7c28.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_38bf2a8b1f4c73c42b9855ccd13f7c28.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_38bf2a8b1f4c73c42b9855ccd13f7c28.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1260
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_38bf2a8b1f4c73c42b9855ccd13f7c28.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_38bf2a8b1f4c73c42b9855ccd13f7c28.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2536
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_38bf2a8b1f4c73c42b9855ccd13f7c28.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_38bf2a8b1f4c73c42b9855ccd13f7c28.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1968

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\6B86.0FB

Filesize
1KB

MD5
821986a4176f3932472f09cb7293f28d

SHA1
e81e8c7c1dd958d69130cff32ef99583f7a19fc2

SHA256
268011258b5e8d81ad4b74911845c4cdff05da1808cf40ffb658abbe85198780

SHA512
38f8dd91fdb3a202e175228957a65c58f47867f4082230ff30b47e6b09db0e47503362fbcdbaac6033ac0d177634b59d13884ea7c3d02063231c4d66f45698be

Download Submit
C:\Users\Admin\AppData\Roaming\6B86.0FB

Filesize
600B

MD5
86ab49e53e1301be0e5dd4cee8799145

SHA1
f0ebc454175fe800f748c9c426efb1b245d037c7

SHA256
72b0b29a3b69c354b49b996e13311929cabed3be8e7efce1f88cdc60800e6f51

SHA512
62d844386684499ddac7085707b20a0daa2478dc9a41cc8a7049ebe8162a901ac8fb9fca15efec3195dcf0174ccf9cfcbd3af09be4fa095e85194adb650586a6

Download Submit
C:\Users\Admin\AppData\Roaming\6B86.0FB

Filesize
996B

MD5
0af247bf9d36e68d7943690eec262422

SHA1
55dbefa90df4ec9e43e925cb25d728fd21cf6e43

SHA256
15a6c0e9fb2f04fcad0dd01436bf64f01ddd4c24297fb4b8f3d3c95d70fd0520

SHA512
ded588c2fee22bf39da5259f095033b1d5e2147f671df5357f458d62412662fe8067df4b8e88cb8602355b96e0c91579e856470cdb738116af16970f7c3e6acf

Download Submit
memory/1260-1-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1260-2-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1260-16-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1260-191-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1968-82-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1968-84-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2536-5-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2536-6-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2536-8-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

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