cycbot | a0209af2fe689faccd3c7bf436f7c0d32d43b589191380146db08d5ee4f00731

General

Target

JaffaCakes118_9d3e2918e50ae03cbcd58ae01144d1c6.exe
Size

170KB
MD5

9d3e2918e50ae03cbcd58ae01144d1c6
SHA1

17492b3a942ae44404e725fda2249df2ca825d8b
SHA256

a0209af2fe689faccd3c7bf436f7c0d32d43b589191380146db08d5ee4f00731
SHA512

32ba7e4d1c80800bc400f8ff1a47e9864448f72ef4384eb6d4c1b2586a319444ff8e123a9fe6c01297e7dbc90e083823c4c4c1a74c7a9c37346c20919e4886a4
SSDEEP

3072:QtU5tmrZIln3haDCvsCltxd5kIR+ymkPx42USPCKk/izQ:Pq1DCvsCltrhCoxLBCj

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/2948-10-0x0000000000400000-0x000000000046C000-memory.dmp	family_cycbot
behavioral1/memory/2956-15-0x0000000000400000-0x000000000046C000-memory.dmp	family_cycbot
behavioral1/memory/1768-74-0x0000000000400000-0x000000000046C000-memory.dmp	family_cycbot
behavioral1/memory/2956-185-0x0000000000400000-0x000000000046C000-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/2956-2-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral1/memory/2948-8-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral1/memory/2948-10-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral1/memory/2956-15-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral1/memory/1768-72-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral1/memory/1768-74-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral1/memory/2956-185-0x0000000000400000-0x000000000046C000-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_9d3e2918e50ae03cbcd58ae01144d1c6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_9d3e2918e50ae03cbcd58ae01144d1c6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_9d3e2918e50ae03cbcd58ae01144d1c6.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2956 wrote to memory of 2948	2956	JaffaCakes118_9d3e2918e50ae03cbcd58ae01144d1c6.exe	30
PID 2956 wrote to memory of 2948	2956	JaffaCakes118_9d3e2918e50ae03cbcd58ae01144d1c6.exe	30
PID 2956 wrote to memory of 2948	2956	JaffaCakes118_9d3e2918e50ae03cbcd58ae01144d1c6.exe	30
PID 2956 wrote to memory of 2948	2956	JaffaCakes118_9d3e2918e50ae03cbcd58ae01144d1c6.exe	30
PID 2956 wrote to memory of 1768	2956	JaffaCakes118_9d3e2918e50ae03cbcd58ae01144d1c6.exe	32
PID 2956 wrote to memory of 1768	2956	JaffaCakes118_9d3e2918e50ae03cbcd58ae01144d1c6.exe	32
PID 2956 wrote to memory of 1768	2956	JaffaCakes118_9d3e2918e50ae03cbcd58ae01144d1c6.exe	32
PID 2956 wrote to memory of 1768	2956	JaffaCakes118_9d3e2918e50ae03cbcd58ae01144d1c6.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9d3e2918e50ae03cbcd58ae01144d1c6.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9d3e2918e50ae03cbcd58ae01144d1c6.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2956
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9d3e2918e50ae03cbcd58ae01144d1c6.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9d3e2918e50ae03cbcd58ae01144d1c6.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2948
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9d3e2918e50ae03cbcd58ae01144d1c6.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9d3e2918e50ae03cbcd58ae01144d1c6.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1768

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\5748.28D

Filesize
1KB

MD5
89c3e26c0545fc1be401a79fed763a18

SHA1
b7e19ac2db90316e683984563c1ee3eb065b1d1f

SHA256
940442517dca27cc11d47d6ade2b9960c45b9c21928e30df2720018faa1787cf

SHA512
0d50a2b1934d0ece6625b277fe167f125445623f787d730f0cca8da493612bcf02250e24ca16a053b5c59e5e7520052c33ffb4e30b1faa74d0b83f3fcc1af7bd

Download Submit
C:\Users\Admin\AppData\Roaming\5748.28D

Filesize
600B

MD5
f0a5c92c743f03af37bfa97b83167fbb

SHA1
9f4f5768ff7ef209a56e722e388e53497f1c78be

SHA256
e02be0dcfb020fc0cdb391f75861a9b7f8d757794d067db39aa35b5b3c991ede

SHA512
0bf6765c102269bb639784ac294b24d7191b9e1f7a0e9481abd2866e6a1498ce787487b4133885cf362604619e7400f50f5a81c34046834fac3539619985428b

Download Submit
C:\Users\Admin\AppData\Roaming\5748.28D

Filesize
996B

MD5
a5d50d8bb819ceb4756ed3fbf91bef49

SHA1
c0a3293c2a377988b651bf5533aa2ccee8ff991f

SHA256
5257ba23216c2f268f2d31461bb2398b777f45775c012292571f6e584a4ac7d8

SHA512
995497f1ed5d952ea2841bc50a44e6aad1a5d466078691d8c2f30e52fee9e5dbcfec9ae5c017c9292dc7382d484d5591601c40374cef388b7ae24b346bc6b7cd

Download Submit
memory/1768-72-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/1768-74-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2948-8-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2948-10-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2956-2-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2956-1-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2956-15-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2956-185-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download

Analysis

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