cycbot | 2b2a13b06aa43334f963ea9fb176be6e62a07bfbe9873bfdc4ea7e1a68ad1f54

General

Target

JaffaCakes118_0953ea55cbde8a4348fe587a94494dc1.exe
Size

179KB
MD5

0953ea55cbde8a4348fe587a94494dc1
SHA1

9661d5e1c0309cc1ef9f5eddea8e503e26aed612
SHA256

2b2a13b06aa43334f963ea9fb176be6e62a07bfbe9873bfdc4ea7e1a68ad1f54
SHA512

13d114b9cae405878c4e20080aeca6de1041765d51b528128e98aa6d23830137b98f77252a7836a38339dc73147879159810f5ac09e1bd7a8bf9e32d351cd1e8
SSDEEP

3072:EaAZQ6101RAkEeVAnjHt/7kXksrSe4pyk4wTaHaVDnV2SzHXCZNubqs5:EaA66L5kXkw74D7yZ8bq

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/2788-15-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2248-17-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/2248-16-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2396-124-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2248-299-0x0000000000400000-0x0000000000455000-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/2248-3-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2788-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2788-15-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2248-17-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/2248-16-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2396-123-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2396-124-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2248-299-0x0000000000400000-0x0000000000455000-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_0953ea55cbde8a4348fe587a94494dc1.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2248 wrote to memory of 2788	2248	JaffaCakes118_0953ea55cbde8a4348fe587a94494dc1.exe	31
PID 2248 wrote to memory of 2788	2248	JaffaCakes118_0953ea55cbde8a4348fe587a94494dc1.exe	31
PID 2248 wrote to memory of 2788	2248	JaffaCakes118_0953ea55cbde8a4348fe587a94494dc1.exe	31
PID 2248 wrote to memory of 2788	2248	JaffaCakes118_0953ea55cbde8a4348fe587a94494dc1.exe	31
PID 2248 wrote to memory of 2396	2248	JaffaCakes118_0953ea55cbde8a4348fe587a94494dc1.exe	33
PID 2248 wrote to memory of 2396	2248	JaffaCakes118_0953ea55cbde8a4348fe587a94494dc1.exe	33
PID 2248 wrote to memory of 2396	2248	JaffaCakes118_0953ea55cbde8a4348fe587a94494dc1.exe	33
PID 2248 wrote to memory of 2396	2248	JaffaCakes118_0953ea55cbde8a4348fe587a94494dc1.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0953ea55cbde8a4348fe587a94494dc1.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0953ea55cbde8a4348fe587a94494dc1.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2248
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0953ea55cbde8a4348fe587a94494dc1.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0953ea55cbde8a4348fe587a94494dc1.exe startC:\Program Files (x86)\LP\F154\350.exe%C:\Program Files (x86)\LP\F154
  2⤵
  PID:2788
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0953ea55cbde8a4348fe587a94494dc1.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0953ea55cbde8a4348fe587a94494dc1.exe startC:\Users\Admin\AppData\Roaming\4D335\17FF1.exe%C:\Users\Admin\AppData\Roaming\4D335
  2⤵
  PID:2396

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\4D335\5147.D33

Filesize
996B

MD5
d17229984093dc660346039b400e7cc0

SHA1
886eec1fd4e9c7b6697fd35b3c0f4019ffb0ddf5

SHA256
7ba06f48c14f6bb671dc493ebeb7946f9763f3c8046473a630ab2e07d2a0985a

SHA512
6b770d4fe799f394022798f3660285b8bc29282180842565b0ad6dd97b0a44eeca97f2f22795892805b772e28f9bd03ee0fbddee0a84e582860992b918623e95

Download Submit
C:\Users\Admin\AppData\Roaming\4D335\5147.D33

Filesize
600B

MD5
b99f03fc61e178409e66996fbdecd415

SHA1
b584359e3ebf1d76eb517b47bcd3c8915865b4ea

SHA256
d8fdc47b495cc9666b0ecbd67ed99845531766ddd4c715727a50cf52458617f7

SHA512
234907756049524493f599aebc0862e25bf6aaa5d3db08fa26208b3b29c1a93c3935ed001e9f45bc76d8e003bdd6f3c79d58d79f8d123692a422fdc07e693d10

Download Submit
C:\Users\Admin\AppData\Roaming\4D335\5147.D33

Filesize
1KB

MD5
29896be4688815080269a56a2f23a30c

SHA1
e7a9f8899c2c800a4218ef89e8b2e7da2dce413a

SHA256
31a3e801b30fd5fe0432ef0a86499bee0879a8778bcc07a7dc35f357390f1ac9

SHA512
87f92190cf6e78a3c38bdaab93b1205fd3ee7286c4454d66c51460f0e3c364b3646f5545e23d43fff675d5da369583dccdbe1bf736bdd6c986f8e6850bbc19c8

Download Submit
memory/2248-0-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2248-2-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2248-3-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2248-299-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2248-17-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2248-16-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2396-124-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2396-123-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2788-15-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2788-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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