cycbot | bb6ccd4c02c6c51fd0eca7925f1d5fa935984d0d7e1a7e1f892e78d5ff3dc798

General

Target

e607b48ab5d67e7a9f826b585de752ab_JaffaCakes118.exe
Size

163KB
MD5

e607b48ab5d67e7a9f826b585de752ab
SHA1

91e0a026774cd1aa4c8bc4d18eca1eecf0d0eff2
SHA256

bb6ccd4c02c6c51fd0eca7925f1d5fa935984d0d7e1a7e1f892e78d5ff3dc798
SHA512

b6db22c124de681ed4f78793bacb62f15f4a1005abfd9950007c8cb9af6a56c92dfd32422dbf89b8639e8c22c2b7ad23185c94ec1688c3bd19506f6274c3a79c
SSDEEP

3072:iy2dLlMSznkKecXUw4PZXnlyEllrhRUvCDY8Y:i5dxM4kK9iVy+lrzMCd

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/3032-5-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/2356-13-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/3056-83-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/2356-84-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/2356-193-0x0000000000400000-0x0000000000442000-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"	e607b48ab5d67e7a9f826b585de752ab_JaffaCakes118.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2356-2-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/3032-5-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2356-13-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/3056-82-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/3056-83-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2356-84-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2356-193-0x0000000000400000-0x0000000000442000-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	e607b48ab5d67e7a9f826b585de752ab_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e607b48ab5d67e7a9f826b585de752ab_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e607b48ab5d67e7a9f826b585de752ab_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2356 wrote to memory of 3032	2356	e607b48ab5d67e7a9f826b585de752ab_JaffaCakes118.exe	30
PID 2356 wrote to memory of 3032	2356	e607b48ab5d67e7a9f826b585de752ab_JaffaCakes118.exe	30
PID 2356 wrote to memory of 3032	2356	e607b48ab5d67e7a9f826b585de752ab_JaffaCakes118.exe	30
PID 2356 wrote to memory of 3032	2356	e607b48ab5d67e7a9f826b585de752ab_JaffaCakes118.exe	30
PID 2356 wrote to memory of 3056	2356	e607b48ab5d67e7a9f826b585de752ab_JaffaCakes118.exe	33
PID 2356 wrote to memory of 3056	2356	e607b48ab5d67e7a9f826b585de752ab_JaffaCakes118.exe	33
PID 2356 wrote to memory of 3056	2356	e607b48ab5d67e7a9f826b585de752ab_JaffaCakes118.exe	33
PID 2356 wrote to memory of 3056	2356	e607b48ab5d67e7a9f826b585de752ab_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\e607b48ab5d67e7a9f826b585de752ab_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e607b48ab5d67e7a9f826b585de752ab_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2356
- C:\Users\Admin\AppData\Local\Temp\e607b48ab5d67e7a9f826b585de752ab_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\e607b48ab5d67e7a9f826b585de752ab_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3032
- C:\Users\Admin\AppData\Local\Temp\e607b48ab5d67e7a9f826b585de752ab_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\e607b48ab5d67e7a9f826b585de752ab_JaffaCakes118.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\F6DE.7F1

Filesize
600B

MD5
fe9feb8f65b94e55422a915ea2ab9c36

SHA1
e553d2f1cab616ad4e14714a93a31aec834c5d50

SHA256
de1765b04712aaccdcf9519aea38c08dd36816211390fa3e56f9e24afa08ff0d

SHA512
a2f282479e041c3b99b719e6828f9320717a5ed4ad58dd41c2cd9628bfe4dfb620e199819b4aa956bda86db0caf34daa7e38a5c1c19014fe8a40d029d501a096

Download Submit
C:\Users\Admin\AppData\Roaming\F6DE.7F1

Filesize
1KB

MD5
403114ea82df3db4ca4691a2a0d3d3bf

SHA1
e5f97f43226ca350bd6d6a059a8ac0e2d55fcef6

SHA256
3f7b0c60268db8208dfcd9401b71ee4fc992f59c3a0107ec524b0b11fa06e45c

SHA512
d0936266ca1cfa4b1b432c7b633a93c8ffceca5783b134486572063ac476047c95ec79038bbd3921d1cff1469c4c423cef4203568340bfdc3644c5c012989c08

Download Submit
C:\Users\Admin\AppData\Roaming\F6DE.7F1

Filesize
996B

MD5
add941da98d388754fc0ec2a7cfde14e

SHA1
645c1fd3b380d305d0e3ae9ad7c12c73188cf075

SHA256
eb96087ff5cb02294ebb4e494af98fe1ce6284ea55d4eddd6d745f229a0e75ac

SHA512
32c9c45f6d15a2e78714f9c6c1a71d51a08d57e78c708959d7e4a12d6be2bcae9f6cd51200f2a45eabc2e0c230ab02f8094f7d33b5ccf7284ecce4214007d815

Download Submit
memory/2356-1-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2356-2-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2356-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2356-84-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2356-193-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3032-5-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3056-82-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3056-83-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads