cycbot | f65d146960c31b04aaa3afa964e957c8dfc8d476d53280c54713b58c50eafe23

General

Target

JaffaCakes118_36f44fbf3c1845de44bc0816190ba5a6.exe
Size

182KB
MD5

36f44fbf3c1845de44bc0816190ba5a6
SHA1

7ed6c1c16616cef32acb38c505d51077de238828
SHA256

f65d146960c31b04aaa3afa964e957c8dfc8d476d53280c54713b58c50eafe23
SHA512

5097c800fdeb20f054c74059b699c3f760c1bb9a367e62f74d99c242d1e415c2664a86fafd19a5f3ab4edcc4830e0564dd0758b31cab316029fe5f0a69c4c6d2
SSDEEP

3072:/MN3yNiVhbXh4soqvuv+EW5dU1yhOLcr28jCCiLdeZtXfEmZl3lY+r:/M0NYhbx4bouv+bsL0Fj/fEG3lYE

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/2376-15-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2420-16-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2420-17-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/1552-121-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2420-288-0x0000000000400000-0x0000000000455000-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/2420-3-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2376-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2376-15-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2420-16-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2420-17-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/1552-119-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1552-121-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2420-288-0x0000000000400000-0x0000000000455000-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_36f44fbf3c1845de44bc0816190ba5a6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_36f44fbf3c1845de44bc0816190ba5a6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_36f44fbf3c1845de44bc0816190ba5a6.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 2376	2420	JaffaCakes118_36f44fbf3c1845de44bc0816190ba5a6.exe	30
PID 2420 wrote to memory of 2376	2420	JaffaCakes118_36f44fbf3c1845de44bc0816190ba5a6.exe	30
PID 2420 wrote to memory of 2376	2420	JaffaCakes118_36f44fbf3c1845de44bc0816190ba5a6.exe	30
PID 2420 wrote to memory of 2376	2420	JaffaCakes118_36f44fbf3c1845de44bc0816190ba5a6.exe	30
PID 2420 wrote to memory of 1552	2420	JaffaCakes118_36f44fbf3c1845de44bc0816190ba5a6.exe	32
PID 2420 wrote to memory of 1552	2420	JaffaCakes118_36f44fbf3c1845de44bc0816190ba5a6.exe	32
PID 2420 wrote to memory of 1552	2420	JaffaCakes118_36f44fbf3c1845de44bc0816190ba5a6.exe	32
PID 2420 wrote to memory of 1552	2420	JaffaCakes118_36f44fbf3c1845de44bc0816190ba5a6.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_36f44fbf3c1845de44bc0816190ba5a6.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_36f44fbf3c1845de44bc0816190ba5a6.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2420
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_36f44fbf3c1845de44bc0816190ba5a6.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_36f44fbf3c1845de44bc0816190ba5a6.exe startC:\Program Files (x86)\LP\1783\D92.exe%C:\Program Files (x86)\LP\1783
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2376
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_36f44fbf3c1845de44bc0816190ba5a6.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_36f44fbf3c1845de44bc0816190ba5a6.exe startC:\Users\Admin\AppData\Roaming\3C82B\3EC17.exe%C:\Users\Admin\AppData\Roaming\3C82B
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1552

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\3C82B\B474.C82

Filesize
996B

MD5
194baa90524e761a31b2e83b4d57202f

SHA1
6c5956622aecd8ad7d115146e76ff81701d65033

SHA256
0173720448cf36612d95842142f616f2240fb5277e82303dcb06e115a04ab6d4

SHA512
13b494686e5f8e4179ce77c9ac26135174d606dfa0da2a2fd1ff1bafa93af909cbed2054890ebb28d2f667517124c9febeca7505b5596cfbb3b8a60b081f1592

Download Submit
C:\Users\Admin\AppData\Roaming\3C82B\B474.C82

Filesize
600B

MD5
a9f3979bb0e55b712ca083f60cc3be0d

SHA1
671f8f9cd264971d4603d8a815d8b661d611c5a1

SHA256
cb97114d87644cda175c44b1fc396bf876580a0aa9c897a02627231c3bf588ff

SHA512
74295a3183b9c39b02d15ce2bf98c01cb82eed7113f7e4e1b73a031dd32494b77f7cf7d42977f96f7514673110f941690d34ec101c13af95b672ec73e513fe89

Download Submit
C:\Users\Admin\AppData\Roaming\3C82B\B474.C82

Filesize
1KB

MD5
54e7412a24ca8ed789ddb8055d14ece4

SHA1
ae5d1195b8f269bc15934ba9beb6ebc9e954d786

SHA256
96de93fb3b2b8c33917d5bcd60e5be53ba051ce7896add6997586fd1f0a9f84c

SHA512
1319b246dc84eb9bc0134b5d88ec2ce7d9448091beb135a06adbe40c4b83ecd05247112a677604c8f5141c9d72349cd64fd551356a29e2c32b7d5f3c85393afb

Download Submit
memory/1552-121-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1552-119-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2376-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2376-15-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2376-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2420-16-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2420-17-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2420-0-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2420-3-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2420-2-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2420-288-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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