cycbot | 67880949a839dbe013c3835d2ae13346c6e04cf7c905a4b369b5a22ad724c5ab

General

Target

JaffaCakes118_77f507f18e64b9ffe1ae0aee298d0da0.exe
Size

175KB
MD5

77f507f18e64b9ffe1ae0aee298d0da0
SHA1

dffa6a73b70db4339ad1277b285d407b94c5cf58
SHA256

67880949a839dbe013c3835d2ae13346c6e04cf7c905a4b369b5a22ad724c5ab
SHA512

9bb7e8182f965bb743daa6bafd2f57a52f12c71f2d4956ca3d99eafe3cd9a71eab79322ac4cfc51e73c42e1030c110ce72aa287045622026a7cf02d45733d31a
SSDEEP

3072:dud6rklJ9W8wwstPRhJ5mM38xVicj3EvRvrLp8VyFIzLiJ:dudLVW/pRGoKEJ/p8V2Iq

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/2980-14-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2172-15-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/2172-16-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2320-131-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2320-130-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2172-282-0x0000000000400000-0x0000000000455000-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/2172-3-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2980-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2172-15-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/2172-16-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2320-131-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2320-130-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2172-282-0x0000000000400000-0x0000000000455000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 1 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_77f507f18e64b9ffe1ae0aee298d0da0.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 2980	2172	JaffaCakes118_77f507f18e64b9ffe1ae0aee298d0da0.exe	29
PID 2172 wrote to memory of 2980	2172	JaffaCakes118_77f507f18e64b9ffe1ae0aee298d0da0.exe	29
PID 2172 wrote to memory of 2980	2172	JaffaCakes118_77f507f18e64b9ffe1ae0aee298d0da0.exe	29
PID 2172 wrote to memory of 2980	2172	JaffaCakes118_77f507f18e64b9ffe1ae0aee298d0da0.exe	29
PID 2172 wrote to memory of 2320	2172	JaffaCakes118_77f507f18e64b9ffe1ae0aee298d0da0.exe	31
PID 2172 wrote to memory of 2320	2172	JaffaCakes118_77f507f18e64b9ffe1ae0aee298d0da0.exe	31
PID 2172 wrote to memory of 2320	2172	JaffaCakes118_77f507f18e64b9ffe1ae0aee298d0da0.exe	31
PID 2172 wrote to memory of 2320	2172	JaffaCakes118_77f507f18e64b9ffe1ae0aee298d0da0.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77f507f18e64b9ffe1ae0aee298d0da0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77f507f18e64b9ffe1ae0aee298d0da0.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2172
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77f507f18e64b9ffe1ae0aee298d0da0.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77f507f18e64b9ffe1ae0aee298d0da0.exe startC:\Program Files (x86)\LP\AF66\88C.exe%C:\Program Files (x86)\LP\AF66
  2⤵
  PID:2980
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77f507f18e64b9ffe1ae0aee298d0da0.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77f507f18e64b9ffe1ae0aee298d0da0.exe startC:\Users\Admin\AppData\Roaming\61C8F\279AF.exe%C:\Users\Admin\AppData\Roaming\61C8F
  2⤵
  PID:2320

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\61C8F\FE55.1C8

Filesize
996B

MD5
49b398b69ac54870fa77b5ab077560c9

SHA1
c50f05e6328859f0d0c4cffd470a462c5ad50a31

SHA256
ec81d4a5958dcfb5f3b2acd301b17545b23a73842e71124dab985b7b02e18953

SHA512
852b0871faafb18b73de7a2f0c6d1f8577f4088e47982ed5bf5e385e90d2828ead4640c57b2c38c4d946b8772d83f3f54823088b8d2f1510da0fe861132c9252

Download Submit
C:\Users\Admin\AppData\Roaming\61C8F\FE55.1C8

Filesize
600B

MD5
9f2a85c6f1ef9d22dc7534186ad391ae

SHA1
e7a66aee84b6a8b5f63ed17d5ac0737999047b38

SHA256
fcdb9fe64d0e522163bdc898e9743cace9316d73ee60b6835a3173de0f434395

SHA512
2e6bac7200ae0c5e9713b2c77d88e7235e333c91ecdd05ec23c223a1b7a3b768be00686592060224e31a94c27db3f8010732d4afb79bd7d4900d12fe1ec459c8

Download Submit
C:\Users\Admin\AppData\Roaming\61C8F\FE55.1C8

Filesize
1KB

MD5
ba706e993f234995fda114f87ea6bf40

SHA1
34ca7f175fab223a8f89a7fafbe223dc601097d3

SHA256
99d2802d4602001ce9218ffecc3cc8812b557b19b89b52d1531ff200c5f66764

SHA512
032a26c9be33652518e2f8e56f62505ebff871762ceee5719952b7a04f201c7903d1c34a2249925677e65102d07b84820b83d430c6cfc4325bf15002f1196067

Download Submit
memory/2172-0-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2172-2-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2172-3-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2172-15-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2172-16-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2172-282-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2320-131-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2320-130-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2980-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

Sharing