cycbot | 15a4521580f13b3e89fbe89c832096521c9af8dca296d7ee50ff35e0cfe31358

General

Target

JaffaCakes118_adacca87b4e5fa240f07ecd6b58c406c.exe
Size

179KB
MD5

adacca87b4e5fa240f07ecd6b58c406c
SHA1

212d3e750a1c66011dd6dbdc7f5fed7bf9f3dd94
SHA256

15a4521580f13b3e89fbe89c832096521c9af8dca296d7ee50ff35e0cfe31358
SHA512

ef77e10aac23c1540291442db59c6eba3a068f1ec8822fc996ab44cf284ed410750871e934d64978508c10e1b921a58dfd0a2e4c86d630f7e73ba89194389461
SSDEEP

3072:8bZyjZQoB6OH8JvVMjX05Z4uXoeVGxxidFxQ+gMj0UTMFSDrQYBqzFp1r7j:My+oBnCvBguyxid4cV3rQLzFp1z

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 5 IoCs

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

resource	yara_rule
behavioral1/memory/2500-14-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/3056-15-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/3056-16-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/2672-132-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/3056-319-0x0000000000400000-0x0000000000455000-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 8 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/3056-3-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2500-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2500-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/3056-15-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/3056-16-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/2672-130-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2672-132-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/3056-319-0x0000000000400000-0x0000000000455000-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_adacca87b4e5fa240f07ecd6b58c406c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_adacca87b4e5fa240f07ecd6b58c406c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_adacca87b4e5fa240f07ecd6b58c406c.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3056 wrote to memory of 2500	3056	JaffaCakes118_adacca87b4e5fa240f07ecd6b58c406c.exe	30
PID 3056 wrote to memory of 2500	3056	JaffaCakes118_adacca87b4e5fa240f07ecd6b58c406c.exe	30
PID 3056 wrote to memory of 2500	3056	JaffaCakes118_adacca87b4e5fa240f07ecd6b58c406c.exe	30
PID 3056 wrote to memory of 2500	3056	JaffaCakes118_adacca87b4e5fa240f07ecd6b58c406c.exe	30
PID 3056 wrote to memory of 2672	3056	JaffaCakes118_adacca87b4e5fa240f07ecd6b58c406c.exe	32
PID 3056 wrote to memory of 2672	3056	JaffaCakes118_adacca87b4e5fa240f07ecd6b58c406c.exe	32
PID 3056 wrote to memory of 2672	3056	JaffaCakes118_adacca87b4e5fa240f07ecd6b58c406c.exe	32
PID 3056 wrote to memory of 2672	3056	JaffaCakes118_adacca87b4e5fa240f07ecd6b58c406c.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_adacca87b4e5fa240f07ecd6b58c406c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_adacca87b4e5fa240f07ecd6b58c406c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3056
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_adacca87b4e5fa240f07ecd6b58c406c.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_adacca87b4e5fa240f07ecd6b58c406c.exe startC:\Program Files (x86)\LP\3B18\013.exe%C:\Program Files (x86)\LP\3B18
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2500
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_adacca87b4e5fa240f07ecd6b58c406c.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_adacca87b4e5fa240f07ecd6b58c406c.exe startC:\Users\Admin\AppData\Roaming\82DE2\F8E3B.exe%C:\Users\Admin\AppData\Roaming\82DE2
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2672

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\82DE2\2D27.2DE

Filesize
996B

MD5
087b7223d0d26a901202af1b73c22f2f

SHA1
398d5c7f2dd5aeca79a13a3eb0d985429ff60ced

SHA256
b45b59a604ab8ea052cdbb08f328b473fbd027d15c1c6aab781dd5d710ee2a31

SHA512
cf0a06a5f16a5c0a3175c63e9f675b4cda9b0580d59dc4e92c81a2a5bf0f712382c6fe771182231dbe3a0be631fe65fbd34b5c9521982cc7cece20905939373c

Download Submit
C:\Users\Admin\AppData\Roaming\82DE2\2D27.2DE

Filesize
600B

MD5
43e305a2b1f7cd3907570f747d8482f9

SHA1
66b8497d17e79a495c5fe6ed0af1223bbe479064

SHA256
138752c839418ee430a38dde7d4f60aad6b88de995b3255e1d3578a941d23165

SHA512
1387a472a4ae01c9fe15abe465b97549debdb07d7b5522f9d34c0a45f3aa20c12a80db4084b563461ee9ed24dfad57a963fc5bec92c35258c736808a2befbc4f

Download Submit
C:\Users\Admin\AppData\Roaming\82DE2\2D27.2DE

Filesize
1KB

MD5
15d81ea0419296900fc48ff9880af2bc

SHA1
6e5052207d04294c2bdb6859fcc5eac50d3afc40

SHA256
111290f9f3a88f20b919446b0158f68badd72c75327ec0f974f0aba5b82fa494

SHA512
d738e13442f1e6bf048f806aefdba742411d1602263eeaf15ab4a25b5781c8b70ab1ca2debaa7182e040484d472a7f998a982dd0a7e34444fe4fe862b1b6c6f6

Download Submit
memory/2500-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2500-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2672-132-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2672-130-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3056-16-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/3056-15-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3056-0-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3056-3-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3056-2-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/3056-319-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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