cycbot | 1844fa3d3dff9ae8df2afd52b8decb2f6cc9d436429229c651a08c91f3f698ef

General

Target

JaffaCakes118_cd5b9532dd1abffda3e5c0dfe9423570.exe
Size

188KB
MD5

cd5b9532dd1abffda3e5c0dfe9423570
SHA1

0f8256782b93c8bb341428a2aa089127f44e03fe
SHA256

1844fa3d3dff9ae8df2afd52b8decb2f6cc9d436429229c651a08c91f3f698ef
SHA512

cc202208d35c977d23386129953ecf45a902ea3d68d93bf7bbb6e938fc2e3a834c6670a730ab9623becb7c88f35418bc6ad0c2d27cbd247bfe1cb4c6fc64cbc6
SSDEEP

3072:wVxXHgOUsKEnfzulyyhBu2xalzz5buuR00w8eFnXLev7DNSaV6:wVxXHgOAyyXu66bXReFCTA

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 6 IoCs

Cycbot is a backdoor and trojan written in C++.

resource	yara_rule
behavioral1/memory/2952-11-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2952-12-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2460-13-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2460-14-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/3024-145-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2460-312-0x0000000000400000-0x0000000000455000-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/2460-2-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2952-11-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2952-12-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2460-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2460-14-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/3024-145-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2460-312-0x0000000000400000-0x0000000000455000-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_cd5b9532dd1abffda3e5c0dfe9423570.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_cd5b9532dd1abffda3e5c0dfe9423570.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_cd5b9532dd1abffda3e5c0dfe9423570.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2460 wrote to memory of 2952	2460	JaffaCakes118_cd5b9532dd1abffda3e5c0dfe9423570.exe	29
PID 2460 wrote to memory of 2952	2460	JaffaCakes118_cd5b9532dd1abffda3e5c0dfe9423570.exe	29
PID 2460 wrote to memory of 2952	2460	JaffaCakes118_cd5b9532dd1abffda3e5c0dfe9423570.exe	29
PID 2460 wrote to memory of 2952	2460	JaffaCakes118_cd5b9532dd1abffda3e5c0dfe9423570.exe	29
PID 2460 wrote to memory of 3024	2460	JaffaCakes118_cd5b9532dd1abffda3e5c0dfe9423570.exe	31
PID 2460 wrote to memory of 3024	2460	JaffaCakes118_cd5b9532dd1abffda3e5c0dfe9423570.exe	31
PID 2460 wrote to memory of 3024	2460	JaffaCakes118_cd5b9532dd1abffda3e5c0dfe9423570.exe	31
PID 2460 wrote to memory of 3024	2460	JaffaCakes118_cd5b9532dd1abffda3e5c0dfe9423570.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cd5b9532dd1abffda3e5c0dfe9423570.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cd5b9532dd1abffda3e5c0dfe9423570.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2460
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cd5b9532dd1abffda3e5c0dfe9423570.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cd5b9532dd1abffda3e5c0dfe9423570.exe startC:\Program Files (x86)\LP\178A\D92.exe%C:\Program Files (x86)\LP\178A
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2952
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cd5b9532dd1abffda3e5c0dfe9423570.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cd5b9532dd1abffda3e5c0dfe9423570.exe startC:\Users\Admin\AppData\Roaming\A8473\3EC17.exe%C:\Users\Admin\AppData\Roaming\A8473
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3024

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\A8473\3C07.847

Filesize
996B

MD5
f6f461a93d7e1fe4ceac1e33982f4b22

SHA1
4ca424782ca3c81ee0ae9883361ded42a04ce378

SHA256
2559fde79a326ef368430b5fde83374db317403018cc08b47772440dccfe9398

SHA512
65aa496ab5cca3be4d44415b6d7e9df16eb72e9ca8da5c78550f883720c00c7892f2c519fee7cb45fe134d779c29713f4ddd2b538d3f7aea3c6550df32190cd7

Download Submit
C:\Users\Admin\AppData\Roaming\A8473\3C07.847

Filesize
600B

MD5
cc3d28553ca084a17773166d57fac6fb

SHA1
c69cd626b94301dcbc098d857afda770eeab1b60

SHA256
0d1b443265d733ba8215078475138dfa9ed7e7bd9133e0aa50e32e5cd9a6c981

SHA512
9fe9be5659b6a62f501446930981747798f31c445f81416f6714e6d9bc0a247aceae123d1a81facc59b3c8de565c186bc3d22bdae12971315e918995bbdef16a

Download Submit
C:\Users\Admin\AppData\Roaming\A8473\3C07.847

Filesize
1KB

MD5
cb65f780457bcd9dc8c9faf6d67a9310

SHA1
604b89dbdeec24ff2c251c874b8dcbaf80fc5569

SHA256
ee6ce101e81723683ab1076e6ea40b079cdad7049adf66e0a2c7ed396751d8c2

SHA512
04731efcf2f4111d8bb7c977a5bdf75113fd0e15885ac60a4a165bb4790a61ad6f57815d3d08113135a4e57169c7101622efea95bc4ef8d6dd0b9e3616e842de

Download Submit
memory/2460-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2460-2-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2460-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2460-14-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2460-312-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2952-11-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2952-12-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3024-143-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3024-145-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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