cycbot | 390b0c04cb687a8a7b2e12c8dc44eda212817e0c0f7dfcfa3c3da494811ee491

General

Target

JaffaCakes118_94125550e66fc5b0746655e156de8fc8.exe
Size

183KB
MD5

94125550e66fc5b0746655e156de8fc8
SHA1

005db71514ce62d35134c5cb1a8e5dc84d2a2792
SHA256

390b0c04cb687a8a7b2e12c8dc44eda212817e0c0f7dfcfa3c3da494811ee491
SHA512

94981ab5cc9d6e602c52ba1c683c24117e0496be956641ded7b5d9b114fcf6f8e229da9bc2e9421bda1ac82b81fc1a93f0942d53bea6fd9793e74d38f7beb4a6
SSDEEP

3072:2aKoQFqpMIs5ZB7ciCvxx2sre9Jqy83crBXLalBgPprfXCGv54pWow5LhNLQHN7I:eMMI3iCvxJKXNZP9fBEFYty7uULIj

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/2348-15-0x0000000000400000-0x0000000000471000-memory.dmp	family_cycbot
behavioral1/memory/1628-16-0x0000000000400000-0x0000000000471000-memory.dmp	family_cycbot
behavioral1/memory/2496-79-0x0000000000400000-0x0000000000471000-memory.dmp	family_cycbot
behavioral1/memory/1628-152-0x0000000000400000-0x0000000000471000-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/1628-2-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/2348-14-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/2348-15-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/2348-12-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/1628-16-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/2496-78-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/2496-79-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/1628-152-0x0000000000400000-0x0000000000471000-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_94125550e66fc5b0746655e156de8fc8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_94125550e66fc5b0746655e156de8fc8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_94125550e66fc5b0746655e156de8fc8.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 2348	1628	JaffaCakes118_94125550e66fc5b0746655e156de8fc8.exe	30
PID 1628 wrote to memory of 2348	1628	JaffaCakes118_94125550e66fc5b0746655e156de8fc8.exe	30
PID 1628 wrote to memory of 2348	1628	JaffaCakes118_94125550e66fc5b0746655e156de8fc8.exe	30
PID 1628 wrote to memory of 2348	1628	JaffaCakes118_94125550e66fc5b0746655e156de8fc8.exe	30
PID 1628 wrote to memory of 2496	1628	JaffaCakes118_94125550e66fc5b0746655e156de8fc8.exe	33
PID 1628 wrote to memory of 2496	1628	JaffaCakes118_94125550e66fc5b0746655e156de8fc8.exe	33
PID 1628 wrote to memory of 2496	1628	JaffaCakes118_94125550e66fc5b0746655e156de8fc8.exe	33
PID 1628 wrote to memory of 2496	1628	JaffaCakes118_94125550e66fc5b0746655e156de8fc8.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_94125550e66fc5b0746655e156de8fc8.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_94125550e66fc5b0746655e156de8fc8.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1628
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_94125550e66fc5b0746655e156de8fc8.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_94125550e66fc5b0746655e156de8fc8.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2348
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_94125550e66fc5b0746655e156de8fc8.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_94125550e66fc5b0746655e156de8fc8.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2496

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\9C86.DDB

Filesize
1KB

MD5
6bc6cb32f09ab455130f374ad32f4620

SHA1
514b2c7913ab7b5719c76c09d0d7f02f78984967

SHA256
ef939c9cd02b2ca2540db0e85145a33512faa4a200b21e84b673fe3f6013c7c1

SHA512
7a53aea1517b4c221345c811d10075b1f21f6fb1925bf1ac0b9d36f7d9859f7faa15a5575f0d0fe1bd0159a2b6a3db4ca246d62fcf9bb1e4412f46afe9bd0df0

Download Submit
C:\Users\Admin\AppData\Roaming\9C86.DDB

Filesize
600B

MD5
3ab3da3e6b679741dfacaa20aceb9e9b

SHA1
a6257919162e0979e132ed7415dac7850a68daf6

SHA256
52e8d656185de6f566b0f107a80f02746c24227a74d36cf11f30ce93eb6643f1

SHA512
fb03757d27b77e87c328b5dbb7b1039b31eb042db00511e354792c119c9fc6ae959b2bbb9f5cc27723e03c02f35127367a200db831fc29d10de0527d11ae6d95

Download Submit
C:\Users\Admin\AppData\Roaming\9C86.DDB

Filesize
996B

MD5
0521528d9b43d58c6a778e99ed52a26b

SHA1
11687df17ac0c56ee20c13311023c04e8a42b00d

SHA256
5870ccf02ce58a8e0bb13c5f8e11a79e6902c6525f0c0ffa5dc90a1dd3437d18

SHA512
00c0b5017abd7250adec8ef5917e3ff705d077d2dc05e3267598a90aabef3983309b67ae59fa9c170ddeac7d7d9a15684bbb62b743cb51815a6deb43aa28d036

Download Submit
memory/1628-1-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/1628-2-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/1628-16-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/1628-152-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2348-14-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2348-15-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2348-12-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2496-78-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2496-79-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download

Analysis

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