cycbot | 724b727534d7a91f37c32891bd89ee1df2491dfad4a32967136ca3665b92cbd0

General

Target

JaffaCakes118_e61758d5a77d3df96dcf94481410a366.exe
Size

190KB
MD5

e61758d5a77d3df96dcf94481410a366
SHA1

20a91d27bb665b508dd2aeee8c1c25dd4f90566d
SHA256

724b727534d7a91f37c32891bd89ee1df2491dfad4a32967136ca3665b92cbd0
SHA512

26a57a7d89a8d15ee0f060d5949b8cbb1d90d56eef09a2bd91e35a7bd6717811ca2362dc067f52290b08481be9d6539d8dff0e7bcc66f15e898273c7ecd09081
SSDEEP

3072:Q9LIlPidQHjhToozLEtNOb7AUzUt9ujShCnJqFeQZ6m5VHJyJKBGfAd2jykY/dz1:wLIlPNHjVokLEte7lA+lnAFeQn3HJyRb

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/1828-13-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/1568-14-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/1568-15-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/1236-125-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/1568-291-0x0000000000400000-0x0000000000455000-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 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1568-2-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1828-12-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1828-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1568-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1568-15-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/1236-125-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1568-291-0x0000000000400000-0x0000000000455000-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_e61758d5a77d3df96dcf94481410a366.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1568 wrote to memory of 1828	1568	JaffaCakes118_e61758d5a77d3df96dcf94481410a366.exe	30
PID 1568 wrote to memory of 1828	1568	JaffaCakes118_e61758d5a77d3df96dcf94481410a366.exe	30
PID 1568 wrote to memory of 1828	1568	JaffaCakes118_e61758d5a77d3df96dcf94481410a366.exe	30
PID 1568 wrote to memory of 1828	1568	JaffaCakes118_e61758d5a77d3df96dcf94481410a366.exe	30
PID 1568 wrote to memory of 1236	1568	JaffaCakes118_e61758d5a77d3df96dcf94481410a366.exe	33
PID 1568 wrote to memory of 1236	1568	JaffaCakes118_e61758d5a77d3df96dcf94481410a366.exe	33
PID 1568 wrote to memory of 1236	1568	JaffaCakes118_e61758d5a77d3df96dcf94481410a366.exe	33
PID 1568 wrote to memory of 1236	1568	JaffaCakes118_e61758d5a77d3df96dcf94481410a366.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e61758d5a77d3df96dcf94481410a366.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e61758d5a77d3df96dcf94481410a366.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1568
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e61758d5a77d3df96dcf94481410a366.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e61758d5a77d3df96dcf94481410a366.exe startC:\Program Files (x86)\LP\0FD4\B11.exe%C:\Program Files (x86)\LP\0FD4
  2⤵
  PID:1828
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e61758d5a77d3df96dcf94481410a366.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e61758d5a77d3df96dcf94481410a366.exe startC:\Users\Admin\AppData\Roaming\434E2\BE40F.exe%C:\Users\Admin\AppData\Roaming\434E2
  2⤵
  PID:1236

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\434E2\2D4A.34E

Filesize
996B

MD5
5c610b5c743b30893e90fa84f3deefcd

SHA1
54a31f188b3b595423e40125cc013bad861a13a1

SHA256
f081c90fd5211cc702e3893a332282ee77f5d51f326f12f56837380e336fea1f

SHA512
f2d26f46f0631d5aa12ec52fc23d0695b185f14e7ef4b80fd4923bb7a1075cfc75a457e11da36d2c4a6a86b3e77abc8ecb0b17759ea5f010ac7c986cdf2636f9

Download Submit
C:\Users\Admin\AppData\Roaming\434E2\2D4A.34E

Filesize
600B

MD5
5080aa9269baaa89198813a12be556f1

SHA1
d4ff592d4925df296ebe1501bb0892eb251f8954

SHA256
9077436b12fcb1813e1891cf825e8c8376c00e5da1163f0203516cbe2ce63b37

SHA512
a78325d9a55ae79edb0aa52e07e419ea371bdf3b4c945d329d86afbf52b49f6f0753ec532945fa7461dbb8d8fe0037223b15cbb22d1e8a769165fd56932d26e2

Download Submit
C:\Users\Admin\AppData\Roaming\434E2\2D4A.34E

Filesize
1KB

MD5
7a290ec7e99fc9f6b626a07e1737ebde

SHA1
0cf1a10d3c4216db213a9a5f0f13ab6604dcde52

SHA256
5b198e4ea8c9e5e825043441fd4b233fef29620c56b9c3b472606c36f80d6743

SHA512
19623d0b764b322e6594c3459f36c10efea03a781a330ce0b8e2a31f038d5551cb39c8b93f9bd3f089f5eceed08248f1a92c77732b28975d0c92425e90e56b92

Download Submit
memory/1236-125-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1568-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1568-2-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1568-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1568-15-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1568-291-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1828-11-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1828-12-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1828-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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