cycbot | 66b1b0c9f47b042d080c94ff0499e7865c6708620b095d4eac398273160fb440

General

Target

e108985fc38ba9f5c33ea5b4f7c4c25d_JaffaCakes118.exe
Size

207KB
MD5

e108985fc38ba9f5c33ea5b4f7c4c25d
SHA1

943d70c4f58726b96380567d62010a2e10cc76b4
SHA256

66b1b0c9f47b042d080c94ff0499e7865c6708620b095d4eac398273160fb440
SHA512

5bb36cfd3328502a525a0cc1e7852250a4e994233282d1a690f20899cbb5487e33ef7d7014d3dd1604cfdc251b261876f54e2f7074ff817ff942458bdb90c1fd
SSDEEP

6144:yCd6BBQkUZ3hufnsUx/3GeGVGUX2Y6XTY:y/kwfceG7

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/3028-12-0x0000000000400000-0x000000000044C000-memory.dmp	family_cycbot
behavioral1/memory/3028-13-0x0000000000400000-0x000000000044C000-memory.dmp	family_cycbot
behavioral1/memory/2692-14-0x0000000000400000-0x000000000044C000-memory.dmp	family_cycbot
behavioral1/memory/2928-85-0x0000000000400000-0x000000000044C000-memory.dmp	family_cycbot
behavioral1/memory/2692-196-0x0000000000400000-0x000000000044C000-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/2692-2-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/3028-12-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/3028-13-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2692-14-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2928-84-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2928-85-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2692-196-0x0000000000400000-0x000000000044C000-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	e108985fc38ba9f5c33ea5b4f7c4c25d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e108985fc38ba9f5c33ea5b4f7c4c25d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e108985fc38ba9f5c33ea5b4f7c4c25d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 3028	2692	e108985fc38ba9f5c33ea5b4f7c4c25d_JaffaCakes118.exe	31
PID 2692 wrote to memory of 3028	2692	e108985fc38ba9f5c33ea5b4f7c4c25d_JaffaCakes118.exe	31
PID 2692 wrote to memory of 3028	2692	e108985fc38ba9f5c33ea5b4f7c4c25d_JaffaCakes118.exe	31
PID 2692 wrote to memory of 3028	2692	e108985fc38ba9f5c33ea5b4f7c4c25d_JaffaCakes118.exe	31
PID 2692 wrote to memory of 2928	2692	e108985fc38ba9f5c33ea5b4f7c4c25d_JaffaCakes118.exe	33
PID 2692 wrote to memory of 2928	2692	e108985fc38ba9f5c33ea5b4f7c4c25d_JaffaCakes118.exe	33
PID 2692 wrote to memory of 2928	2692	e108985fc38ba9f5c33ea5b4f7c4c25d_JaffaCakes118.exe	33
PID 2692 wrote to memory of 2928	2692	e108985fc38ba9f5c33ea5b4f7c4c25d_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\e108985fc38ba9f5c33ea5b4f7c4c25d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e108985fc38ba9f5c33ea5b4f7c4c25d_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2692
- C:\Users\Admin\AppData\Local\Temp\e108985fc38ba9f5c33ea5b4f7c4c25d_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\e108985fc38ba9f5c33ea5b4f7c4c25d_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3028
- C:\Users\Admin\AppData\Local\Temp\e108985fc38ba9f5c33ea5b4f7c4c25d_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\e108985fc38ba9f5c33ea5b4f7c4c25d_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2928

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\5FB9.153

Filesize
600B

MD5
6e18bacca31a3dc92cc4c9686a425f6c

SHA1
3ea31ee99a3155ca2d30869274587a8b99af22cb

SHA256
04e60caaa6d160792b9ff08d169e337fea2f1c1e10de33b32a13bfd554d641c6

SHA512
80aa9797c27151c1fb7a499aea54668eb36f12ccfc5851319f0cc161aac3ef55db12688c1c4d07ba2585630268d69c0594f194e7e8391cead61df5b3b399ca82

Download Submit
C:\Users\Admin\AppData\Roaming\5FB9.153

Filesize
1KB

MD5
c69394afb7701b7fbdf6f9458a8cf7ff

SHA1
7c8811b2c1e79571227dfc9d16d3698a197158e9

SHA256
bc9c2c6afc612e28db006ecac2a0dde20726a9527f4d30a272ab83ed59002061

SHA512
26ec30a3f31ca0da20b7bb7003406cbf452928f2de2bfb8487d457c0f78245b2e6929e0e362f459dec26632747cf7225143b104d5088a5a1edf53471ba6d3201

Download Submit
C:\Users\Admin\AppData\Roaming\5FB9.153

Filesize
996B

MD5
4a44ecb10f29914c453c8d77917a3b62

SHA1
ae970b33d43b62af4be59608210abd08363cca6d

SHA256
4c274354fcae18bb4ed68cc58497ff38cc9eeb3898e67cc4ae8547ee79dba526

SHA512
4478e747191ec476b954dbdcb5780c76b42a1f870978616c75a145dc3be5594883526f765eeda0763384ac340afcdedba2ffc01f6f1e049e2a726eed5021751f

Download Submit
memory/2692-1-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2692-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2692-14-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2692-196-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2928-84-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2928-85-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3028-12-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3028-13-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

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