cycbot | fde118339d2df0a5ce48cd13eb7d352241530ab209d98527175e62549b2149b2

General

Target

dfaff61cc52fd8046155a25223c445d7_JaffaCakes118.exe
Size

158KB
MD5

dfaff61cc52fd8046155a25223c445d7
SHA1

c21d9d718a42e3f1714da040967996a29dbc2fff
SHA256

fde118339d2df0a5ce48cd13eb7d352241530ab209d98527175e62549b2149b2
SHA512

58a8ca7dadb7c6fee9de8be91fa0d97740d6ff49caba96dd4d5580602ff46a48d5885ba6d5db1d5a6b0f4290f184c95cc227039a4aaf0b83e23eaafb3cfa8015
SSDEEP

3072:qc9iaVVscs9CVQ/6OPSINZLSGu9XoEKfUeRv1QqSOXCaj2L9rKZVaHUZK2TeuLt4:N9igscs9nNVuMceDQ9GsK3yUeOW

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 5 IoCs

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

resource	yara_rule
behavioral1/memory/2408-6-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/2308-14-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/2308-72-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/1292-75-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/2308-180-0x0000000000400000-0x0000000000442000-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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\conhost = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\conhost.exe"	dfaff61cc52fd8046155a25223c445d7_JaffaCakes118.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2308-2-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2408-5-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2408-6-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2308-14-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2308-72-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/1292-75-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2308-180-0x0000000000400000-0x0000000000442000-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	dfaff61cc52fd8046155a25223c445d7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dfaff61cc52fd8046155a25223c445d7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dfaff61cc52fd8046155a25223c445d7_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2308 wrote to memory of 2408	2308	dfaff61cc52fd8046155a25223c445d7_JaffaCakes118.exe	30
PID 2308 wrote to memory of 2408	2308	dfaff61cc52fd8046155a25223c445d7_JaffaCakes118.exe	30
PID 2308 wrote to memory of 2408	2308	dfaff61cc52fd8046155a25223c445d7_JaffaCakes118.exe	30
PID 2308 wrote to memory of 2408	2308	dfaff61cc52fd8046155a25223c445d7_JaffaCakes118.exe	30
PID 2308 wrote to memory of 1292	2308	dfaff61cc52fd8046155a25223c445d7_JaffaCakes118.exe	33
PID 2308 wrote to memory of 1292	2308	dfaff61cc52fd8046155a25223c445d7_JaffaCakes118.exe	33
PID 2308 wrote to memory of 1292	2308	dfaff61cc52fd8046155a25223c445d7_JaffaCakes118.exe	33
PID 2308 wrote to memory of 1292	2308	dfaff61cc52fd8046155a25223c445d7_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\dfaff61cc52fd8046155a25223c445d7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dfaff61cc52fd8046155a25223c445d7_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2308
- C:\Users\Admin\AppData\Local\Temp\dfaff61cc52fd8046155a25223c445d7_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\dfaff61cc52fd8046155a25223c445d7_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2408
- C:\Users\Admin\AppData\Local\Temp\dfaff61cc52fd8046155a25223c445d7_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\dfaff61cc52fd8046155a25223c445d7_JaffaCakes118.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1292

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\6241.2CD

Filesize
1KB

MD5
4f85045902fc1e4d898a8864cc6c38d3

SHA1
e3b54b6a8838cb2e78972859c330b0ff9f2889ad

SHA256
ef31805553070d85e91ba748a557204767648bc2154c9c3f9f72c427d1780059

SHA512
792d91f0b161dec31edcc538e98ab8171cd7bda09ee1052e96fade543c1c13c8746e3af55b7180293101c4407b9e3a64e938cc14e925cde9dfa647d408fee024

Download Submit
C:\Users\Admin\AppData\Roaming\6241.2CD

Filesize
600B

MD5
94e96cc4183ddb53e7c7369e2dc4ab17

SHA1
b96fd40febbd4ad79570ec755b93992d896fe51b

SHA256
df9e66eb3fcf2ab376506ff78042bb9599613922b1b1cdb068a0fe82b1c2e8ea

SHA512
413740bf628e5ce91a2e917a27d69b01686bb63d9a381038bd6f984ac97f82cac01b84a910b42d56b5806251c8a2397c1a25d70698c33d9c6d4ee10c3519a164

Download Submit
C:\Users\Admin\AppData\Roaming\6241.2CD

Filesize
996B

MD5
b029aadffc8a096c9f4a02c28ef47259

SHA1
5439b6f258002a50470f285981f6cc303de4dde5

SHA256
318131d40883d297c29c84065a19abac59c9e033082240828a741bb62eaae567

SHA512
35b28a4f0d440f3ebd7f94689db8bb0183310cefbf9bd44d93188f2cd894dcf25192cba815117ef58bc44ea4fd282b97c3dcf66734224a3a8f28f3a2bdd823c4

Download Submit
memory/1292-75-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2308-1-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2308-2-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2308-14-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2308-72-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2308-180-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2408-5-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2408-6-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads