cycbot | e1f76fe5e6da8572be4d9d972faf9062d68d73012fa2e0684782d0564a269fd1

General

Target

f0bcf2d146335ebc58374fed8c20808f_JaffaCakes118.exe
Size

189KB
MD5

f0bcf2d146335ebc58374fed8c20808f
SHA1

20d4460fb5d8c9381ae969da5dc41c8b800f2d78
SHA256

e1f76fe5e6da8572be4d9d972faf9062d68d73012fa2e0684782d0564a269fd1
SHA512

56e16dc0afa1ebe194ba872505ae8158aebf1feea91273b3e9f04e4af4b0a43a4e691c3f1e2c843f3538982caeca666f51e6d60900f8a5bb98487d5cf48161d1
SSDEEP

3072:UuqlbwpTShvruhfMV1wJCptYa7AuPh6KHK+TmckfJt2GahM3n9SreLVlFy4Tb:168chvah0vwArYa7RPh6gTef6ynsC1

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/2792-7-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2112-15-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2112-72-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/1080-76-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2112-176-0x0000000000400000-0x0000000000445000-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"	f0bcf2d146335ebc58374fed8c20808f_JaffaCakes118.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2112-2-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2792-6-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2792-7-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2112-15-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2112-72-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/1080-74-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/1080-76-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2112-176-0x0000000000400000-0x0000000000445000-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	f0bcf2d146335ebc58374fed8c20808f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f0bcf2d146335ebc58374fed8c20808f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f0bcf2d146335ebc58374fed8c20808f_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 2792	2112	f0bcf2d146335ebc58374fed8c20808f_JaffaCakes118.exe	30
PID 2112 wrote to memory of 2792	2112	f0bcf2d146335ebc58374fed8c20808f_JaffaCakes118.exe	30
PID 2112 wrote to memory of 2792	2112	f0bcf2d146335ebc58374fed8c20808f_JaffaCakes118.exe	30
PID 2112 wrote to memory of 2792	2112	f0bcf2d146335ebc58374fed8c20808f_JaffaCakes118.exe	30
PID 2112 wrote to memory of 1080	2112	f0bcf2d146335ebc58374fed8c20808f_JaffaCakes118.exe	32
PID 2112 wrote to memory of 1080	2112	f0bcf2d146335ebc58374fed8c20808f_JaffaCakes118.exe	32
PID 2112 wrote to memory of 1080	2112	f0bcf2d146335ebc58374fed8c20808f_JaffaCakes118.exe	32
PID 2112 wrote to memory of 1080	2112	f0bcf2d146335ebc58374fed8c20808f_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\f0bcf2d146335ebc58374fed8c20808f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f0bcf2d146335ebc58374fed8c20808f_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Users\Admin\AppData\Local\Temp\f0bcf2d146335ebc58374fed8c20808f_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\f0bcf2d146335ebc58374fed8c20808f_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2792
- C:\Users\Admin\AppData\Local\Temp\f0bcf2d146335ebc58374fed8c20808f_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\f0bcf2d146335ebc58374fed8c20808f_JaffaCakes118.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1080

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

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Downloads

C:\Users\Admin\AppData\Roaming\1DBC.8F7

Filesize
1KB

MD5
fd3a7cc99e644a545ffca8a4b6aafccd

SHA1
b1c778e678ee28e18e2f7b02bdb13f8f7214d29c

SHA256
e84c3be1dd3a38d6702f639c17870e99f62d375a5c9286fa58beb34d831b277b

SHA512
02bb2dea00d2c2be1807fe34760406b0d580ef398c4213d996558abba62c2c8e83265850d92c96ce7f422f56b0e6afc9e8571ddde25404a6198822e55e9ae80a

Download Submit
C:\Users\Admin\AppData\Roaming\1DBC.8F7

Filesize
600B

MD5
981f76e6c7d3cec68fb2526af3ff48f9

SHA1
78ca3efa742d9926ec164e7d6671703e471c135a

SHA256
85f5f75642fc22cce9b0ba0d0525bf1282b6958426572a1772593c447a5a5279

SHA512
e8325fd022a046e1f92dfd8bc5372607236209e0d103e9149ce189d3157f53ef6a6ea003f54a0d057f08f30f8da9c0aca34104c804224277a110e81f0b15a1a0

Download Submit
C:\Users\Admin\AppData\Roaming\1DBC.8F7

Filesize
996B

MD5
c56c0cef63009064d82101352ca803f9

SHA1
120f7c9f0bec45728dc2abe94ff079e7796a9b6d

SHA256
9f61a09002aa61e861292398dee97996a9ab0c9330d52b89b353555b66d039ce

SHA512
e3140b18a3fdedfc9e9de8d4ba8c6649b4ac59d274bdf76452f9a1bec327b0ceb86227aeca8553226eb8cb0d181a47cdc3fdfe0d422fc3295870d200223898aa

Download Submit
memory/1080-76-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/1080-74-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2112-15-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2112-72-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2112-1-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2112-2-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2112-176-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2792-7-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2792-5-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2792-6-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads