cycbot | 4dd2e7185ad0e32db166ea51b6747f216722c9aab7f255e54022495fafda7e62

General

Target

JaffaCakes118_75ec0e2be0f597ecd76ceffa7831b947.exe
Size

178KB
MD5

75ec0e2be0f597ecd76ceffa7831b947
SHA1

0668e41f889ae6a5a489be80904fed3c6c32f4e2
SHA256

4dd2e7185ad0e32db166ea51b6747f216722c9aab7f255e54022495fafda7e62
SHA512

98f033f273eef380a6434ea33b3bb78101b896af9c77b755c9d2657bdb68a1509a7e0f684012569b78f6e31371a4f870bcae0c80c046aeee51bf931ff93ee4cb
SSDEEP

3072:qNFu5imARINfhtn/WYb8npiYgv8ZZ57S/c2dsCIyL9Tu+M6DdksXCri47k:qNFsea/WVp4vGE/c2T3MWLSrZk

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 6 IoCs

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

resource	yara_rule
behavioral1/memory/2056-13-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/2056-12-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/2060-14-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/1780-81-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/2060-82-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/2060-179-0x0000000000400000-0x0000000000442000-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_75ec0e2be0f597ecd76ceffa7831b947.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2060-2-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2056-13-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2056-12-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2056-11-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2060-14-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/1780-80-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/1780-81-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2060-82-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2060-179-0x0000000000400000-0x0000000000442000-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_75ec0e2be0f597ecd76ceffa7831b947.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_75ec0e2be0f597ecd76ceffa7831b947.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_75ec0e2be0f597ecd76ceffa7831b947.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2060 wrote to memory of 2056	2060	JaffaCakes118_75ec0e2be0f597ecd76ceffa7831b947.exe	29
PID 2060 wrote to memory of 2056	2060	JaffaCakes118_75ec0e2be0f597ecd76ceffa7831b947.exe	29
PID 2060 wrote to memory of 2056	2060	JaffaCakes118_75ec0e2be0f597ecd76ceffa7831b947.exe	29
PID 2060 wrote to memory of 2056	2060	JaffaCakes118_75ec0e2be0f597ecd76ceffa7831b947.exe	29
PID 2060 wrote to memory of 1780	2060	JaffaCakes118_75ec0e2be0f597ecd76ceffa7831b947.exe	31
PID 2060 wrote to memory of 1780	2060	JaffaCakes118_75ec0e2be0f597ecd76ceffa7831b947.exe	31
PID 2060 wrote to memory of 1780	2060	JaffaCakes118_75ec0e2be0f597ecd76ceffa7831b947.exe	31
PID 2060 wrote to memory of 1780	2060	JaffaCakes118_75ec0e2be0f597ecd76ceffa7831b947.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_75ec0e2be0f597ecd76ceffa7831b947.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_75ec0e2be0f597ecd76ceffa7831b947.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2060
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_75ec0e2be0f597ecd76ceffa7831b947.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_75ec0e2be0f597ecd76ceffa7831b947.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2056
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_75ec0e2be0f597ecd76ceffa7831b947.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_75ec0e2be0f597ecd76ceffa7831b947.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1780

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\4701.7D4

Filesize
1KB

MD5
b0c5cadcd17a6f166e7fba79c1f43c04

SHA1
041f56453664d4d03c5a8351ed278891c3f28fd1

SHA256
acf94372cbee9266d787f628df5e711882a8cd6f4849784b6f418b7a44a49fb0

SHA512
63b88290c559e7cd72ebd1e0d1e2464a92872df9d1958ba2e6f93642ac093fbf18f746e6395f6ddcef3f2c7f350d7e30538893dbb6cf13886b3afd8140f70591

Download Submit
C:\Users\Admin\AppData\Roaming\4701.7D4

Filesize
600B

MD5
eec013f58284119b2c9cd329d436bffe

SHA1
cddd28ed293cd52730fb0010759eb094c963ec21

SHA256
ad50a6338c78f3fbc8833f8b35770ea539cc84636c5ae0e036caf6ee6584783b

SHA512
446bb145501fd83a029b64edef456b80f01131cf24693ab6330d8cbb7ec853e12eccc4bc505bd6cf4d60733d1504208db1a9dba7f083aee2507202366b6cbe17

Download Submit
C:\Users\Admin\AppData\Roaming\4701.7D4

Filesize
996B

MD5
9c6bd131298e46332d93f63b4e526ece

SHA1
d7fb9151b50230784bf14b5a3d09e5b0a0514f61

SHA256
3df6609908fdd8d9b70d86ced67dd1c72545d944e7e3d909c3696fb950e9a2f5

SHA512
d3a1ff3eb3a5d82f748d8738ac6f730113e63eae58275bda544c706b252e6c16d37c4abe5cd748802ae60dfed98cd73aa08644a8ad72002d63a1a64b7e1fb84e

Download Submit
memory/1780-81-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1780-80-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2056-12-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2056-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2056-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2060-14-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2060-1-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2060-82-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2060-2-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2060-179-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads