cycbot | 9dfc1bf1d3663eac731a17fe8d156a26ba17e2aec1f52511caa0ff1d4fcea9d2

General

Target

JaffaCakes118_22c9a3b3e6f8e0ea86ab8857b55f7382.exe
Size

176KB
MD5

22c9a3b3e6f8e0ea86ab8857b55f7382
SHA1

1f33b0fbc825ab0a8d24e5de3d0c1dc9f88e2a98
SHA256

9dfc1bf1d3663eac731a17fe8d156a26ba17e2aec1f52511caa0ff1d4fcea9d2
SHA512

60f95592800c943a0ba7adce12f46fd88cd9eaa3f20e9fc04b7b3a69cb0eb72adfc961f5886b9bb6bc2e0d246ce586583ad960ad99ad4d254b0d2289a3753306
SSDEEP

3072:MyQ0ye7pnGvSkMzzC2WKHPN1mPR82UZSOvCb2oc/VHOgW594b9Qf:BQ0yipGvMnChESy2UZSOKIVpWTCGf

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/2764-7-0x0000000000400000-0x000000000046F000-memory.dmp	family_cycbot
behavioral1/memory/2280-13-0x0000000000400000-0x000000000046F000-memory.dmp	family_cycbot
behavioral1/memory/3012-75-0x0000000000400000-0x000000000046F000-memory.dmp	family_cycbot
behavioral1/memory/2280-178-0x0000000000400000-0x000000000046F000-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/2280-2-0x0000000000400000-0x000000000046F000-memory.dmp	upx
behavioral1/memory/2764-8-0x0000000000400000-0x000000000046F000-memory.dmp	upx
behavioral1/memory/2764-7-0x0000000000400000-0x000000000046F000-memory.dmp	upx
behavioral1/memory/2280-13-0x0000000000400000-0x000000000046F000-memory.dmp	upx
behavioral1/memory/3012-74-0x0000000000400000-0x000000000046F000-memory.dmp	upx
behavioral1/memory/3012-75-0x0000000000400000-0x000000000046F000-memory.dmp	upx
behavioral1/memory/2280-178-0x0000000000400000-0x000000000046F000-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_22c9a3b3e6f8e0ea86ab8857b55f7382.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_22c9a3b3e6f8e0ea86ab8857b55f7382.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_22c9a3b3e6f8e0ea86ab8857b55f7382.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 2764	2280	JaffaCakes118_22c9a3b3e6f8e0ea86ab8857b55f7382.exe	30
PID 2280 wrote to memory of 2764	2280	JaffaCakes118_22c9a3b3e6f8e0ea86ab8857b55f7382.exe	30
PID 2280 wrote to memory of 2764	2280	JaffaCakes118_22c9a3b3e6f8e0ea86ab8857b55f7382.exe	30
PID 2280 wrote to memory of 2764	2280	JaffaCakes118_22c9a3b3e6f8e0ea86ab8857b55f7382.exe	30
PID 2280 wrote to memory of 3012	2280	JaffaCakes118_22c9a3b3e6f8e0ea86ab8857b55f7382.exe	32
PID 2280 wrote to memory of 3012	2280	JaffaCakes118_22c9a3b3e6f8e0ea86ab8857b55f7382.exe	32
PID 2280 wrote to memory of 3012	2280	JaffaCakes118_22c9a3b3e6f8e0ea86ab8857b55f7382.exe	32
PID 2280 wrote to memory of 3012	2280	JaffaCakes118_22c9a3b3e6f8e0ea86ab8857b55f7382.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_22c9a3b3e6f8e0ea86ab8857b55f7382.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_22c9a3b3e6f8e0ea86ab8857b55f7382.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2280
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_22c9a3b3e6f8e0ea86ab8857b55f7382.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_22c9a3b3e6f8e0ea86ab8857b55f7382.exe startC:\Program Files (x86)\Internet Explorer\D3AF\C04.exe%C:\Program Files (x86)\Internet Explorer\D3AF
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2764
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_22c9a3b3e6f8e0ea86ab8857b55f7382.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_22c9a3b3e6f8e0ea86ab8857b55f7382.exe startC:\Users\Admin\AppData\Roaming\FF68A\BAED3.exe%C:\Users\Admin\AppData\Roaming\FF68A
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3012

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\FF68A\A0C8.F68

Filesize
1KB

MD5
c33ac16ab6bd17d0cad2f084a243480f

SHA1
70ad36a0c9c943cb42ce03d3b1d89b3a72783dd0

SHA256
6351e30109fe1a30507034c8aa75032bed2de5c8c7a5a7d75616b3e99bc5824f

SHA512
68833280a6d5e1e1239a8b2f8375e0ca82399232a7efd203967cf157eecaf431644a740ffff044ced2fc4a992c754d5cb7fa8248bb97fea182aceebde0d98d4b

Download Submit
C:\Users\Admin\AppData\Roaming\FF68A\A0C8.F68

Filesize
600B

MD5
2c260b98edce84d6af81f86f3b8b2248

SHA1
d19c74f542450abf650ee3a122b53a38dc9659cd

SHA256
e5bcb7e48efd367b6ea37c44fc57c660ced8a164a16bd1322960d7efcc5dc26f

SHA512
3b1cfed5b9eac8e52a32df730897ae1ce9b9324cc2a9c39f33997ca3b039f9b8e21ca7f4c0ae5bb09177b20e0269a7d5d8891fc95e6a54ad7f2f8c7db32b7857

Download Submit
C:\Users\Admin\AppData\Roaming\FF68A\A0C8.F68

Filesize
996B

MD5
d3adf4dc583b5ca454322b9f3887fbda

SHA1
b399168668487371082857c8e552e28ef30c55ff

SHA256
c719d3f6d7c09a63c25418f26f508a01092850541780fa401b04fb8cb2642e97

SHA512
5baeb4768193ad3b2da07f3384608708fc4c6fdf527bfde07e4a4c52e46d2b0a0fce6f8c446d4617306d176d3b372fae521f9b3178eafcb6b8cd7bc46dedc493

Download Submit
memory/2280-1-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2280-2-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2280-13-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2280-178-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2764-8-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2764-7-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/3012-74-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/3012-75-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download

Analysis

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