cycbot | 0d06768defb5ccffbd8433e4396857c89d4471bf45428f4e1db8aee26d6d2b84

General

Target

JaffaCakes118_3535f952b096701b7cfb099a1d9c591d.exe
Size

174KB
MD5

3535f952b096701b7cfb099a1d9c591d
SHA1

53b927e6b8b8244f28129e83ff19615a94977b9a
SHA256

0d06768defb5ccffbd8433e4396857c89d4471bf45428f4e1db8aee26d6d2b84
SHA512

c9ba11722ad6ce15ec8b6a76973f79532c6c1a7ab2c81dc421d5e9ea351b2aa49aaa3cf492769970ae442a57dd1deb07433af4ab812ae36e33ba431a490df609
SSDEEP

3072:SN/TXFHuay6CyilCNm/YUUEa2ipPyW0lPN9LvMYJ5MSSHvD+Ymcq2pN9A7:4BLiPvJa2ipPyPlPN9dTMzCwNW7

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/2560-13-0x0000000000400000-0x0000000000456000-memory.dmp	family_cycbot
behavioral1/memory/2168-14-0x0000000000400000-0x0000000000456000-memory.dmp	family_cycbot
behavioral1/memory/2168-15-0x0000000000400000-0x0000000000453000-memory.dmp	family_cycbot
behavioral1/memory/680-82-0x0000000000400000-0x0000000000456000-memory.dmp	family_cycbot
behavioral1/memory/2168-191-0x0000000000400000-0x0000000000456000-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/2168-2-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2560-12-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2560-13-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2168-14-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2168-15-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/680-82-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2168-191-0x0000000000400000-0x0000000000456000-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_3535f952b096701b7cfb099a1d9c591d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_3535f952b096701b7cfb099a1d9c591d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_3535f952b096701b7cfb099a1d9c591d.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 2560	2168	JaffaCakes118_3535f952b096701b7cfb099a1d9c591d.exe	30
PID 2168 wrote to memory of 2560	2168	JaffaCakes118_3535f952b096701b7cfb099a1d9c591d.exe	30
PID 2168 wrote to memory of 2560	2168	JaffaCakes118_3535f952b096701b7cfb099a1d9c591d.exe	30
PID 2168 wrote to memory of 2560	2168	JaffaCakes118_3535f952b096701b7cfb099a1d9c591d.exe	30
PID 2168 wrote to memory of 680	2168	JaffaCakes118_3535f952b096701b7cfb099a1d9c591d.exe	33
PID 2168 wrote to memory of 680	2168	JaffaCakes118_3535f952b096701b7cfb099a1d9c591d.exe	33
PID 2168 wrote to memory of 680	2168	JaffaCakes118_3535f952b096701b7cfb099a1d9c591d.exe	33
PID 2168 wrote to memory of 680	2168	JaffaCakes118_3535f952b096701b7cfb099a1d9c591d.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3535f952b096701b7cfb099a1d9c591d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3535f952b096701b7cfb099a1d9c591d.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3535f952b096701b7cfb099a1d9c591d.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3535f952b096701b7cfb099a1d9c591d.exe startC:\Program Files (x86)\LP\DCBB\BDB.exe%C:\Program Files (x86)\LP\DCBB
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2560
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3535f952b096701b7cfb099a1d9c591d.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3535f952b096701b7cfb099a1d9c591d.exe startC:\Users\Admin\AppData\Roaming\BFF7A\1F0DC.exe%C:\Users\Admin\AppData\Roaming\BFF7A
  2⤵
  - System Location Discovery: System Language Discovery
  PID:680

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\BFF7A\A26A.FF7

Filesize
1KB

MD5
9d622e12d2b7001ed32e41d94c3c7ded

SHA1
e15fff50848c45c0ec181adb89942d5eb34774f5

SHA256
84152e20425057310a3a7424ff8db0228ee5d27cce89abb9ba428edb43271744

SHA512
1bcb4a9f67bef0b137b4cdbd4511aaf63ff41f51fa117ddce85490b762ac025340f383d9ddc6e4f836c7d85736ad5e2ce172e1d92878bb4a7ea9f67e95e96dd4

Download Submit
C:\Users\Admin\AppData\Roaming\BFF7A\A26A.FF7

Filesize
600B

MD5
9fea8a7c5baeaa4f06f348ea9b4c1b8f

SHA1
17617c0f868077c67b7164f80e5a260db48a3382

SHA256
244d61280b47c18c9aa057e6abdd4d9dfee833b3a5927bdc05937f7e6ec654b1

SHA512
57620ab6e5bd6ed7fcc08a9205bd29b3f41f32d15c6f522e0ddadb89408e2423e740683ea18eaa85e8dc4e7dd551063e99a7f29efe27ebaabde67385b6078e63

Download Submit
C:\Users\Admin\AppData\Roaming\BFF7A\A26A.FF7

Filesize
996B

MD5
bdcaa902166e208aea9beb5bc210df1d

SHA1
5a4462f8fce5171b5f660f4baee41d820b35cdac

SHA256
56706e4f41b1a1d789f2c48a5aff379ced0abacbcf2521e62bdde7d041ab7357

SHA512
acf39510a7e2e1f09891719da592c2d2782d414e8c52b68ffa2d56f6bc015b0f18802539c6522a263c5305722ac7148e0ecae26d0b27792b60242348a8d82c20

Download Submit
memory/680-82-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2168-1-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2168-2-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2168-14-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2168-15-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2168-191-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2560-12-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2560-11-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2560-13-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download

Analysis

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