cycbot | 9c6f9ec885396ea45f06b2e426e7d5b2b942d60a1ab868a84275987c09984a05

General

Target

JaffaCakes118_1557fa7019d5d281a1b8c878bcf817bb.exe
Size

201KB
MD5

1557fa7019d5d281a1b8c878bcf817bb
SHA1

fee022f9e73695c68965db8a1ae86350b56db7c7
SHA256

9c6f9ec885396ea45f06b2e426e7d5b2b942d60a1ab868a84275987c09984a05
SHA512

ff25e02906a717eea3107846b08d4ed72f1e86f6f16eefe79c83a1b68e2e7bdda9e2ceb6a90bb848edf0c10f652211a0854db5c31eaa0930b364e9e54222386a
SSDEEP

6144:VwGPqheAAyL8sg/z941Pv3KFsrhWF99+bksg+:VwGay4Pg/yR/Hte94osd

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/644-7-0x0000000000400000-0x0000000000449000-memory.dmp	family_cycbot
behavioral1/memory/2324-15-0x0000000000400000-0x0000000000449000-memory.dmp	family_cycbot
behavioral1/memory/2596-77-0x0000000000400000-0x0000000000449000-memory.dmp	family_cycbot
behavioral1/memory/2324-178-0x0000000000400000-0x0000000000449000-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/2324-2-0x0000000000400000-0x0000000000449000-memory.dmp	upx
behavioral1/memory/644-5-0x0000000000400000-0x0000000000449000-memory.dmp	upx
behavioral1/memory/644-7-0x0000000000400000-0x0000000000449000-memory.dmp	upx
behavioral1/memory/2324-15-0x0000000000400000-0x0000000000449000-memory.dmp	upx
behavioral1/memory/2596-76-0x0000000000400000-0x0000000000449000-memory.dmp	upx
behavioral1/memory/2596-77-0x0000000000400000-0x0000000000449000-memory.dmp	upx
behavioral1/memory/2324-178-0x0000000000400000-0x0000000000449000-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_1557fa7019d5d281a1b8c878bcf817bb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1557fa7019d5d281a1b8c878bcf817bb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1557fa7019d5d281a1b8c878bcf817bb.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 644	2324	JaffaCakes118_1557fa7019d5d281a1b8c878bcf817bb.exe	31
PID 2324 wrote to memory of 644	2324	JaffaCakes118_1557fa7019d5d281a1b8c878bcf817bb.exe	31
PID 2324 wrote to memory of 644	2324	JaffaCakes118_1557fa7019d5d281a1b8c878bcf817bb.exe	31
PID 2324 wrote to memory of 644	2324	JaffaCakes118_1557fa7019d5d281a1b8c878bcf817bb.exe	31
PID 2324 wrote to memory of 2596	2324	JaffaCakes118_1557fa7019d5d281a1b8c878bcf817bb.exe	33
PID 2324 wrote to memory of 2596	2324	JaffaCakes118_1557fa7019d5d281a1b8c878bcf817bb.exe	33
PID 2324 wrote to memory of 2596	2324	JaffaCakes118_1557fa7019d5d281a1b8c878bcf817bb.exe	33
PID 2324 wrote to memory of 2596	2324	JaffaCakes118_1557fa7019d5d281a1b8c878bcf817bb.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1557fa7019d5d281a1b8c878bcf817bb.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1557fa7019d5d281a1b8c878bcf817bb.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2324
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1557fa7019d5d281a1b8c878bcf817bb.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1557fa7019d5d281a1b8c878bcf817bb.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:644
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1557fa7019d5d281a1b8c878bcf817bb.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1557fa7019d5d281a1b8c878bcf817bb.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2596

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\189E.49D

Filesize
1KB

MD5
6eadb091a8920c68a150fbcf5e2a87f3

SHA1
e9c9b3c95d1d2cd0f3ab40cc9f5471ce5abed24d

SHA256
846d30b78b9110c2bcd1905476bd18c6bf7e0b248ff698d746608643537114ec

SHA512
3de121345702c1a5f1450624a5f66ec9fa52588c791865281e0f99ec8c7158f6e0a08c0a61df2575b1f5cf4ffafb4e306469ea345e34e89069dc883481069bd7

Download Submit
C:\Users\Admin\AppData\Roaming\189E.49D

Filesize
600B

MD5
5042ce8efaaabcca5188e141495494c1

SHA1
234575b041a75d9611c95944a5399ac788814fd5

SHA256
880028725c79e2ccb4d5e1915840a6a6e3c570741a3c50ab37b2c8935e60601d

SHA512
251ec2fb1a3641c6320a39d225030ceaa5dbe1b1dbcb872a8a5c60670764c348db2d8b6b10a9d4c440644f57df3e5233dd1d4adee50630f6808c52db0ff655c5

Download Submit
C:\Users\Admin\AppData\Roaming\189E.49D

Filesize
996B

MD5
d7fbb0092898f24af0eeaec8b00d7f20

SHA1
0cd74415e925e5ea68f0d61038cb53c7b859b509

SHA256
65b3522e90bd9a93bcf48b405ab3d57a252803800648b80c5b5b47b4b30e88b7

SHA512
3deea38e944504b00ab8c5516c52c1e365739371c55b7e16f4d04a06c72273694d2200eb6ff4778c6d563b80faf1cb9e42906d0db92d1aae76ed1bfd4591b98f

Download Submit
memory/644-5-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/644-7-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/2324-2-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/2324-1-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/2324-15-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/2324-178-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/2596-76-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/2596-77-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download

Analysis

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