cycbot | 2400f7f98f83468d53409430a71705144897ca831a4c570ed9646ef3d730a5b9

General

Target

JaffaCakes118_630ae8ca05ce892e1506e7dedc918745.exe
Size

158KB
MD5

630ae8ca05ce892e1506e7dedc918745
SHA1

ee71a61541175b2f30d9305891a3eb612d79caa1
SHA256

2400f7f98f83468d53409430a71705144897ca831a4c570ed9646ef3d730a5b9
SHA512

3da5c950b401d9b1c5066a5ee7be09a7322f36e7a18c05f90a97a9d8c07a53db32cae9ff3e2ba3aba3a10642d30980b5e026fbb7a519e1b1adcd9ec9625be6fa
SSDEEP

3072:VqePYNNGV8GnDq0e0b0XXH+qx6RlLjWbo2qVPtvTxzODFbZltJJLxU9AW:VFYNA8GnDq0Bb7qxUlLakPtvTtmtl29

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/2220-6-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/3016-14-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/3016-82-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/3056-85-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/3016-199-0x0000000000400000-0x0000000000442000-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"	JaffaCakes118_630ae8ca05ce892e1506e7dedc918745.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3016-2-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2220-5-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2220-6-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/3016-14-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/3016-82-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/3056-84-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/3056-85-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/3016-199-0x0000000000400000-0x0000000000442000-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	JaffaCakes118_630ae8ca05ce892e1506e7dedc918745.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_630ae8ca05ce892e1506e7dedc918745.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_630ae8ca05ce892e1506e7dedc918745.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3016 wrote to memory of 2220	3016	JaffaCakes118_630ae8ca05ce892e1506e7dedc918745.exe	30
PID 3016 wrote to memory of 2220	3016	JaffaCakes118_630ae8ca05ce892e1506e7dedc918745.exe	30
PID 3016 wrote to memory of 2220	3016	JaffaCakes118_630ae8ca05ce892e1506e7dedc918745.exe	30
PID 3016 wrote to memory of 2220	3016	JaffaCakes118_630ae8ca05ce892e1506e7dedc918745.exe	30
PID 3016 wrote to memory of 3056	3016	JaffaCakes118_630ae8ca05ce892e1506e7dedc918745.exe	32
PID 3016 wrote to memory of 3056	3016	JaffaCakes118_630ae8ca05ce892e1506e7dedc918745.exe	32
PID 3016 wrote to memory of 3056	3016	JaffaCakes118_630ae8ca05ce892e1506e7dedc918745.exe	32
PID 3016 wrote to memory of 3056	3016	JaffaCakes118_630ae8ca05ce892e1506e7dedc918745.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_630ae8ca05ce892e1506e7dedc918745.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_630ae8ca05ce892e1506e7dedc918745.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3016
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_630ae8ca05ce892e1506e7dedc918745.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_630ae8ca05ce892e1506e7dedc918745.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2220
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_630ae8ca05ce892e1506e7dedc918745.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_630ae8ca05ce892e1506e7dedc918745.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3056

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

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Downloads

C:\Users\Admin\AppData\Roaming\46D7.D2B

Filesize
600B

MD5
4c9b4a0f9a96cd264a5ee49cb1e212f8

SHA1
426aa5cc2777cb2165ad71640ee07ec7cb53a9fa

SHA256
e325cdc6d225c08e1debac6e6a890238a2807dd11bbaa10873aaccd09d58da69

SHA512
4a01c59446bf638fd1d48dee6e0103588f9ea0d9b05d3d57d4612f9874dd1c66093801dd4e032779362e8eaf58fa20dd0214c459e66d19399a93ac6605330f79

Download Submit
C:\Users\Admin\AppData\Roaming\46D7.D2B

Filesize
1KB

MD5
7f7f4c6ae2a9d6d388fe7b0458b40982

SHA1
c9ca50aa58e35f0992f5bf5d92b70474909d4839

SHA256
6f9e58f799921e9efe32fe223eea7da341efefbf3aaa32b95f5f13116f200d80

SHA512
854d227f3b43b6812f61ae12d602feeb21f4b44fff992821773fee16f941652ab74fbb32ef81cf7a22ff67d99e709c4e4b79045c8aad5f849ad9f5590534abc3

Download Submit
C:\Users\Admin\AppData\Roaming\46D7.D2B

Filesize
996B

MD5
2a7cd9473846c51d125a3f3065429c9c

SHA1
a3f4e62f169fc076c163941f9b59bcf1c7be8622

SHA256
dea8d3f0473143fb8f2cfb1d6dc9e685daa8e593e42dc504568d38acdaa65920

SHA512
52743b6914d38ad00772abf6fe8b9690a5d43d319bb1a4643c25e5dab9b0cdd4655d5e31c2d33685ef94d94c91fc58017fc73c562e93715380f48f25dcea2a91

Download Submit
memory/2220-5-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2220-6-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3016-1-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3016-2-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3016-14-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3016-82-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3016-199-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3056-84-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3056-85-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads