cycbot | 71dcd24da257c7bb0873fd9c276b7a463c9b85429589a338ae2e28787ae378c7

General

Target

JaffaCakes118_8c39ef4c2f9312349b98cf54f973c695.exe
Size

163KB
MD5

8c39ef4c2f9312349b98cf54f973c695
SHA1

f5a539f5f23b4e0de3d3d0a669d650d3c0906e53
SHA256

71dcd24da257c7bb0873fd9c276b7a463c9b85429589a338ae2e28787ae378c7
SHA512

31222a884abb443cc449bd03d0a4c4987e23cee7c4a909f724acd9103d5b0acf696a855574761872a8ffe910343912ff41019f0baabf09488417c7351d48f520
SSDEEP

3072:VE7bLMhkEUXRTAMszsW6tmfc67cW6troxFKjs5quCwuHT8dL7srl1WzlR9F3:VE7bLMCTAMsJjfP76B24A5q/HYdL7sJk

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/2800-8-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/2656-16-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/2952-77-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/2656-195-0x0000000000400000-0x0000000000468000-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/2656-2-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2800-5-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2800-6-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2800-8-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2656-16-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2952-77-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2656-195-0x0000000000400000-0x0000000000468000-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_8c39ef4c2f9312349b98cf54f973c695.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_8c39ef4c2f9312349b98cf54f973c695.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_8c39ef4c2f9312349b98cf54f973c695.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2656 wrote to memory of 2800	2656	JaffaCakes118_8c39ef4c2f9312349b98cf54f973c695.exe	30
PID 2656 wrote to memory of 2800	2656	JaffaCakes118_8c39ef4c2f9312349b98cf54f973c695.exe	30
PID 2656 wrote to memory of 2800	2656	JaffaCakes118_8c39ef4c2f9312349b98cf54f973c695.exe	30
PID 2656 wrote to memory of 2800	2656	JaffaCakes118_8c39ef4c2f9312349b98cf54f973c695.exe	30
PID 2656 wrote to memory of 2952	2656	JaffaCakes118_8c39ef4c2f9312349b98cf54f973c695.exe	32
PID 2656 wrote to memory of 2952	2656	JaffaCakes118_8c39ef4c2f9312349b98cf54f973c695.exe	32
PID 2656 wrote to memory of 2952	2656	JaffaCakes118_8c39ef4c2f9312349b98cf54f973c695.exe	32
PID 2656 wrote to memory of 2952	2656	JaffaCakes118_8c39ef4c2f9312349b98cf54f973c695.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8c39ef4c2f9312349b98cf54f973c695.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8c39ef4c2f9312349b98cf54f973c695.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2656
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8c39ef4c2f9312349b98cf54f973c695.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8c39ef4c2f9312349b98cf54f973c695.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2800
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8c39ef4c2f9312349b98cf54f973c695.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8c39ef4c2f9312349b98cf54f973c695.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2952

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\016C.A8A

Filesize
300B

MD5
467d983f6b6860b3404e79d0fead8623

SHA1
60ba36d35847ea6e7ffcedd048f2e653027c2f95

SHA256
712940a2064305e644bfecdb12ca57fb51af47c66f2b99806fc2fa9280601a60

SHA512
e4bc0087b14d6fe7d652af92552d0d47a7bd8a488087304d1c5128d58a1bd0eaf6500a087b4b902fda89f5f30d3020934fd53554aa101d6c4f0f7e146529a0f5

Download Submit
C:\Users\Admin\AppData\Roaming\016C.A8A

Filesize
1KB

MD5
521c9f87aa1f4a96396ad5f5a5beb062

SHA1
e2c0694b8e3c25c5dc53bb809eaa99abccba6a77

SHA256
5d1ac155b2b7a28a64357384d6b4acec0fa8fdf449c76c04f55d4c3e8077ca0c

SHA512
ca4f7f6e335cf5494de5f8cf9251b16db505deb5e94e37f2cd2fdda0c539ee04da5c58dfd9dcd3047b2f5d2f8337977dd154d7942e6f65dcbfb142e5c8261994

Download Submit
C:\Users\Admin\AppData\Roaming\016C.A8A

Filesize
600B

MD5
1aa366a44525dd64ad8c23bba8d91413

SHA1
39c2ec6469c678129a808d65559e4af49323bca3

SHA256
78f7c6b7c13c68f0fd19cd69d1602cffb1ae63746329fbf4ad208716dcf82f26

SHA512
7c4bcfee7c07a97d43f9e1d833eb84c713d2aaa69382c5a050eefe7d044277dde276e4a8096c3c8019149db4e19c8d66fe83c60ce8955ef2579fb3ebc6cd7bdb

Download Submit
C:\Users\Admin\AppData\Roaming\016C.A8A

Filesize
996B

MD5
f59e1894d6094564ba69bade2aa2fb93

SHA1
f641c3ac97b3fb6a6609a002c2e50973d55a3149

SHA256
0d4450c68cc3259bf6f3346e7d0bd13fbac60d0f468ad9dd87c433ba88451072

SHA512
bf821a2831386395b32d018d949102b3ecf2265224541b185b8434d7a26aa918872a3f9f22fa7ce6829f026f7811bc8e13d108e45eb8c3bfc0c3844004d1c1b3

Download Submit
memory/2656-1-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2656-2-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2656-16-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2656-195-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2800-5-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2800-6-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2800-8-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2952-77-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download

Analysis

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