cycbot | ae89bed5c5051ef02e35aaede2e74ff99bed356c0d578a87c986b7365f5cdc49

General

Target

JaffaCakes118_8eee5c64b1b9c5812f10813f18482b0e.exe
Size

197KB
MD5

8eee5c64b1b9c5812f10813f18482b0e
SHA1

37061d0f7854d8ea4da82fae57259220d443d453
SHA256

ae89bed5c5051ef02e35aaede2e74ff99bed356c0d578a87c986b7365f5cdc49
SHA512

fffc94eb55e5d98aad2f7053d2e6cc0b094103595622506157684b4d17ca6299e14908dd36f787a7db9bf22ebd38a24b0993d77588ed2450860627ff8afb18c7
SSDEEP

6144:pC/kZEMoZ9tuFlo4E5ywAFbc3QcctEg2wBw:A/cEN9wo4CBAFbiDK2wa

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/2776-7-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot
behavioral1/memory/1940-14-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot
behavioral1/memory/1360-88-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot
behavioral1/memory/1940-182-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot
behavioral1/memory/1940-215-0x0000000000400000-0x000000000044D000-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/1940-2-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2776-5-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2776-7-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/1940-14-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/1360-86-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/1360-88-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/1940-182-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/1940-215-0x0000000000400000-0x000000000044D000-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_8eee5c64b1b9c5812f10813f18482b0e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_8eee5c64b1b9c5812f10813f18482b0e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_8eee5c64b1b9c5812f10813f18482b0e.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1940 wrote to memory of 2776	1940	JaffaCakes118_8eee5c64b1b9c5812f10813f18482b0e.exe	30
PID 1940 wrote to memory of 2776	1940	JaffaCakes118_8eee5c64b1b9c5812f10813f18482b0e.exe	30
PID 1940 wrote to memory of 2776	1940	JaffaCakes118_8eee5c64b1b9c5812f10813f18482b0e.exe	30
PID 1940 wrote to memory of 2776	1940	JaffaCakes118_8eee5c64b1b9c5812f10813f18482b0e.exe	30
PID 1940 wrote to memory of 1360	1940	JaffaCakes118_8eee5c64b1b9c5812f10813f18482b0e.exe	32
PID 1940 wrote to memory of 1360	1940	JaffaCakes118_8eee5c64b1b9c5812f10813f18482b0e.exe	32
PID 1940 wrote to memory of 1360	1940	JaffaCakes118_8eee5c64b1b9c5812f10813f18482b0e.exe	32
PID 1940 wrote to memory of 1360	1940	JaffaCakes118_8eee5c64b1b9c5812f10813f18482b0e.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8eee5c64b1b9c5812f10813f18482b0e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8eee5c64b1b9c5812f10813f18482b0e.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1940
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8eee5c64b1b9c5812f10813f18482b0e.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8eee5c64b1b9c5812f10813f18482b0e.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2776
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8eee5c64b1b9c5812f10813f18482b0e.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8eee5c64b1b9c5812f10813f18482b0e.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1360

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\D52E.AB7

Filesize
1KB

MD5
9948d35c51fb7ad0e4a13f91e789c2eb

SHA1
0bb05ad7843ac41039ba04e28c616b8ecc60749b

SHA256
8d0b6a6f6d3ffe958e63dd9c2e9b568ecc77489473266257c0a8f4662b6a6583

SHA512
a3190b160648250d9f17b2439efbbed24885bdf7e7be2051aca7b5decda4bb3e23313a0e568b4c0d98638a7ba1f6aed8bc280ed6c3ffc4486126e6b6234234cc

Download Submit
C:\Users\Admin\AppData\Roaming\D52E.AB7

Filesize
600B

MD5
6b9c3e4b84726a4c2e3085214e5a7b20

SHA1
357ebeb6fc3dd4ca3cca39e1441a67254629b6bf

SHA256
a2aadf9cf22a5b429cf61d00790dd5881c5edec14252921298a33d99d8028924

SHA512
dd49f170809f10c5f21906b31f9414cda25fbe75fec2fc2d46a590ae48838deb71a92eca4ba375c484eb6a488df35e69599d4a9f016ac7123a76bc75fe999bff

Download Submit
C:\Users\Admin\AppData\Roaming\D52E.AB7

Filesize
996B

MD5
734c96e7ba77b38709ceb05b7c2d2d6d

SHA1
e96978ca7839d39007bb6c7086749c1bf521edd5

SHA256
45e79c2a923a4bd96f3c23aadd9b51376ff7ae0d57e0f5b0bb7114daa06da349

SHA512
6aa6601eebad4b4f5896aa5b84a15527fb8cc17645b5542afe08c470685b6185864726c00f020245fe397b19f722adbb33d6e3a7f11a97f0af85054b332ac2c8

Download Submit
memory/1360-86-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/1360-88-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/1940-1-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/1940-2-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/1940-14-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/1940-182-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/1940-215-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2776-5-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2776-7-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download

Analysis

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