cycbot | 0cada60a8b5a08ddcc6a833ce8b123d8c6812892ca5f0b0db4e9c911467a30fb

General

Target

JaffaCakes118_4e8ed2e7c364870ac53655f60d33a456.exe
Size

177KB
MD5

4e8ed2e7c364870ac53655f60d33a456
SHA1

3b68762065b5802606224ca4186d94ec7f0cf6f4
SHA256

0cada60a8b5a08ddcc6a833ce8b123d8c6812892ca5f0b0db4e9c911467a30fb
SHA512

8589dcc00dac810c167f2eb7841dd6e2a499f7389f6cdcfa567bd54e21c2fdf9fb00177f66a7e2cfff5a3f34240fd5d10e4f13be612782ed0b43c0489357934d
SSDEEP

3072:S/QZ7DGo+N8emCGQThMZh+OJwbMrLzdS5zYAFD1DQmGswlkmScw:Fqo+NfBGZwswMLZSJYAt1DQ5si

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/2304-6-0x0000000000400000-0x000000000044B000-memory.dmp	family_cycbot
behavioral1/memory/2672-14-0x0000000000400000-0x000000000044B000-memory.dmp	family_cycbot
behavioral1/memory/588-82-0x0000000000400000-0x000000000044B000-memory.dmp	family_cycbot
behavioral1/memory/2672-186-0x0000000000400000-0x000000000044B000-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/2672-1-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2304-5-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2304-4-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2304-6-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2672-14-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/588-80-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/588-82-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2672-186-0x0000000000400000-0x000000000044B000-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_4e8ed2e7c364870ac53655f60d33a456.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_4e8ed2e7c364870ac53655f60d33a456.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_4e8ed2e7c364870ac53655f60d33a456.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 2304	2672	JaffaCakes118_4e8ed2e7c364870ac53655f60d33a456.exe	30
PID 2672 wrote to memory of 2304	2672	JaffaCakes118_4e8ed2e7c364870ac53655f60d33a456.exe	30
PID 2672 wrote to memory of 2304	2672	JaffaCakes118_4e8ed2e7c364870ac53655f60d33a456.exe	30
PID 2672 wrote to memory of 2304	2672	JaffaCakes118_4e8ed2e7c364870ac53655f60d33a456.exe	30
PID 2672 wrote to memory of 588	2672	JaffaCakes118_4e8ed2e7c364870ac53655f60d33a456.exe	33
PID 2672 wrote to memory of 588	2672	JaffaCakes118_4e8ed2e7c364870ac53655f60d33a456.exe	33
PID 2672 wrote to memory of 588	2672	JaffaCakes118_4e8ed2e7c364870ac53655f60d33a456.exe	33
PID 2672 wrote to memory of 588	2672	JaffaCakes118_4e8ed2e7c364870ac53655f60d33a456.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4e8ed2e7c364870ac53655f60d33a456.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4e8ed2e7c364870ac53655f60d33a456.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2672
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4e8ed2e7c364870ac53655f60d33a456.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4e8ed2e7c364870ac53655f60d33a456.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2304
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4e8ed2e7c364870ac53655f60d33a456.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4e8ed2e7c364870ac53655f60d33a456.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:588

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\8BAE.6A6

Filesize
1KB

MD5
943fe00b38ff5a9f3681e90e0f1639e2

SHA1
17fafccb3e920b0edbb3fca04cd4c13d2ccfd55e

SHA256
d1d78910de2c3a504de725b0f554f1020024004656ba9034816bd18bbfb715f7

SHA512
46f9deed50fb4463106c4d74a8b3b5b423c5bd7a1a37638160a38ef4a69b332aea20746ec496e7081f00d0b09c70a69eb8f86cedf1ae6a971498c7fdd48a4eb1

Download Submit
C:\Users\Admin\AppData\Roaming\8BAE.6A6

Filesize
1KB

MD5
e52d9891c53eb2367e89c700b03207c3

SHA1
e3e99c2ffa89a8d4fc6d169e0461581b7c6ab51f

SHA256
d2497a80756bfa9ea4dae4b33325d9379a840e376c075f3ec23ce1b7ac302427

SHA512
e5db7e0e3b1410a286bc8c7a58b043895971dacdff2182f8e855b12e99cf592e6c505e4962d6a7a9c171000627a8015e040cd11d12bc329786e5c8e456542630

Download Submit
C:\Users\Admin\AppData\Roaming\8BAE.6A6

Filesize
600B

MD5
7b6d320ce0385ec6f0fd15752f688724

SHA1
5963ef6dc7ba51078bc16c21957a1baf7ef4ba5b

SHA256
075be43e9c2b48de26283b622dfa3578e60e0b2556a8aad132a88e73e2528747

SHA512
ac53068714c5051b574585a22694fc06719a2f3aea39975bfe9db0695c1dfbe7b092aa54770fa14c3abbed261593c3f23aa10f92131886d19675da044eb774d4

Download Submit
C:\Users\Admin\AppData\Roaming\8BAE.6A6

Filesize
996B

MD5
9ae7a520c65064321085d64ef5a55213

SHA1
c74240a8d757df4418a7b1cba25a498f30d3d1c6

SHA256
831c9c7fca2c2a222dda5b5b3bd12b6e8b3020d1ad649eb9458cf0d1e123722e

SHA512
fd7df8914199fdb2836e9453205b212ec8bb473e4fd0b211daabc62e43d4eb05e1f71b047f9696be21eab358ec985046cc7ac115eb7cbb4076e28ad7a9d8040b

Download Submit
memory/588-80-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/588-82-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/588-79-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2304-6-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2304-4-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2304-5-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2672-14-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2672-1-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2672-186-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download

Analysis

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