cycbot | 47623cf21c5adf919f61fbfdcab363e098da94cf43790d706101998f0031861e

General

Target

JaffaCakes118_009c452b62520665c001047aa34c3897.exe
Size

164KB
MD5

009c452b62520665c001047aa34c3897
SHA1

26beae630f3d1a9aa1d44b5cf280b2772feb8ace
SHA256

47623cf21c5adf919f61fbfdcab363e098da94cf43790d706101998f0031861e
SHA512

23002d1cfbfaa29b8730e150cc0afcefd3fff1c4dffa4ceacdde7b89c7c7b07a95e979a5eef79e86b6f0fe35d4708ef4af58d1daa09d5ef4845279fcd8a46e46
SSDEEP

3072:XRcND5tuvE1EjRtPE/zl3hBjCgFB3C7Q8YeBStM6nRwrKCbCe:yk+Ety/x3vCgFIjfwS6nyqe

Score

10^/10

cycbot backdoor discovery persistence 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 7 IoCs

Cycbot is a backdoor and trojan written in C++.

resource	yara_rule
behavioral1/memory/2664-14-0x0000000000400000-0x0000000000491000-memory.dmp	family_cycbot
behavioral1/memory/2664-15-0x0000000000400000-0x0000000000491000-memory.dmp	family_cycbot
behavioral1/memory/1068-16-0x0000000000400000-0x000000000048E000-memory.dmp	family_cycbot
behavioral1/memory/1068-17-0x0000000000400000-0x0000000000491000-memory.dmp	family_cycbot
behavioral1/memory/2864-121-0x0000000000400000-0x0000000000491000-memory.dmp	family_cycbot
behavioral1/memory/1068-122-0x0000000000400000-0x0000000000491000-memory.dmp	family_cycbot
behavioral1/memory/1068-280-0x0000000000400000-0x0000000000491000-memory.dmp	family_cycbot

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\9FC65\\128E9.exe"	JaffaCakes118_009c452b62520665c001047aa34c3897.exe

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 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1068-3-0x0000000000400000-0x0000000000491000-memory.dmp	upx
behavioral1/memory/2664-14-0x0000000000400000-0x0000000000491000-memory.dmp	upx
behavioral1/memory/2664-15-0x0000000000400000-0x0000000000491000-memory.dmp	upx
behavioral1/memory/1068-16-0x0000000000400000-0x000000000048E000-memory.dmp	upx
behavioral1/memory/1068-17-0x0000000000400000-0x0000000000491000-memory.dmp	upx
behavioral1/memory/2864-119-0x0000000000400000-0x0000000000491000-memory.dmp	upx
behavioral1/memory/2864-121-0x0000000000400000-0x0000000000491000-memory.dmp	upx
behavioral1/memory/1068-122-0x0000000000400000-0x0000000000491000-memory.dmp	upx
behavioral1/memory/1068-280-0x0000000000400000-0x0000000000491000-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_009c452b62520665c001047aa34c3897.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_009c452b62520665c001047aa34c3897.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_009c452b62520665c001047aa34c3897.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1068 wrote to memory of 2664	1068	JaffaCakes118_009c452b62520665c001047aa34c3897.exe	30
PID 1068 wrote to memory of 2664	1068	JaffaCakes118_009c452b62520665c001047aa34c3897.exe	30
PID 1068 wrote to memory of 2664	1068	JaffaCakes118_009c452b62520665c001047aa34c3897.exe	30
PID 1068 wrote to memory of 2664	1068	JaffaCakes118_009c452b62520665c001047aa34c3897.exe	30
PID 1068 wrote to memory of 2864	1068	JaffaCakes118_009c452b62520665c001047aa34c3897.exe	32
PID 1068 wrote to memory of 2864	1068	JaffaCakes118_009c452b62520665c001047aa34c3897.exe	32
PID 1068 wrote to memory of 2864	1068	JaffaCakes118_009c452b62520665c001047aa34c3897.exe	32
PID 1068 wrote to memory of 2864	1068	JaffaCakes118_009c452b62520665c001047aa34c3897.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_009c452b62520665c001047aa34c3897.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_009c452b62520665c001047aa34c3897.exe"
1⤵
- Modifies WinLogon for persistence
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1068
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_009c452b62520665c001047aa34c3897.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_009c452b62520665c001047aa34c3897.exe startC:\Program Files (x86)\LP\E919\DDE.exe%C:\Program Files (x86)\LP\E919
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2664
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_009c452b62520665c001047aa34c3897.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_009c452b62520665c001047aa34c3897.exe startC:\Program Files (x86)\65A0E\lvvm.exe%C:\Program Files (x86)\65A0E
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2864

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

1

T1112

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\9FC65\5A0E.FC6

Filesize
600B

MD5
a49315d8cbb50f59188242c69469e7d9

SHA1
8193f54633802c207ac9bb0aa6646d005c8dcf6d

SHA256
a810f4caad396cb3f53a221ea4385d9f132e30240e3211193bcc5aea920e5f37

SHA512
15ac63dceec558b2456a030b036f26c32d50b39c12243d66dcf161df3f4e3af1498847b1eb7fe53687adad2e827b6f2f7e5afe3dc96a8f65056d95261632cc01

Download Submit
C:\Users\Admin\AppData\Roaming\9FC65\5A0E.FC6

Filesize
996B

MD5
32ec3392950c521b43f86a5f56c78a11

SHA1
084621bbb37c4de0e9bfb5a16a6b93ab0f707ce2

SHA256
188208d11eb24b47aa408b01c63a0f388583d06574a95671686389baceacf6ad

SHA512
94cb50b826e408071c0e797e1cb490429c4b516db825c0a7284b463294e810c8236c00acb3d91fe714c05c285f4b50474c199c1894e617daf94e6152a517e926

Download Submit
C:\Users\Admin\AppData\Roaming\9FC65\5A0E.FC6

Filesize
1KB

MD5
cca42e12ab610db553ff9bb7a9c7fd7c

SHA1
28ee7561ec57813c8fff977cf8f0294aa685d3ea

SHA256
d58ee15f6c5d6ff474827a2c99c5115a785042015ff9e91db8708998119f8099

SHA512
b2aa179d931019473479bdf8682eccdca5c9e17d69bd8e37a18e45b7eca6d776816348658f2f4f505512c69e3f17e6c33aab9a44ed00b99e14649abf6c834f52

Download Submit
memory/1068-16-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/1068-0-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/1068-17-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/1068-122-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/1068-3-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/1068-2-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/1068-280-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/2664-14-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/2664-15-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/2864-119-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/2864-121-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads