cycbot | bdb3d9408eb9771a9d2b3deea13b806346706aeab76bf48f1d4b66a3d97e0bbc

General

Target

96289ea18cdd60e6124fd906f1c2c4bf_JaffaCakes118.exe
Size

169KB
MD5

96289ea18cdd60e6124fd906f1c2c4bf
SHA1

4a64fd8328c8df136a376c0f6823566e95baf268
SHA256

bdb3d9408eb9771a9d2b3deea13b806346706aeab76bf48f1d4b66a3d97e0bbc
SHA512

9dfc3671b46d66eb259def4006fcc391969bc516bb02a0150fabdb444e1eb3e31ce89471a48876ae12214ba629f0ccc0cb5185967680dbc23066a4a0b726f32b
SSDEEP

3072:Y8pozB+B4MCVc52FbxAfddXhbSByeXiVrBGTmE1H1L5uS+m43+ku/:Y8poz0iMgc52QddXhbSGrIH1L5uSk3s

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++.

Processes:

resource	yara_rule
behavioral1/memory/2756-5-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/2744-12-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/1488-71-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/2744-72-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/2744-167-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/2744-172-0x0000000000400000-0x0000000000442000-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

Processes:

96289ea18cdd60e6124fd906f1c2c4bf_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\conhost = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\conhost.exe"	96289ea18cdd60e6124fd906f1c2c4bf_JaffaCakes118.exe

UPX packed file 8 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2744-2-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2756-5-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2744-12-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/1488-70-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/1488-71-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2744-72-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2744-167-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2744-172-0x0000000000400000-0x0000000000442000-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

Processes:

96289ea18cdd60e6124fd906f1c2c4bf_JaffaCakes118.exe96289ea18cdd60e6124fd906f1c2c4bf_JaffaCakes118.exe96289ea18cdd60e6124fd906f1c2c4bf_JaffaCakes118.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	96289ea18cdd60e6124fd906f1c2c4bf_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	96289ea18cdd60e6124fd906f1c2c4bf_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	96289ea18cdd60e6124fd906f1c2c4bf_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

96289ea18cdd60e6124fd906f1c2c4bf_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2744 wrote to memory of 2756	2744	96289ea18cdd60e6124fd906f1c2c4bf_JaffaCakes118.exe	30
PID 2744 wrote to memory of 2756	2744	96289ea18cdd60e6124fd906f1c2c4bf_JaffaCakes118.exe	30
PID 2744 wrote to memory of 2756	2744	96289ea18cdd60e6124fd906f1c2c4bf_JaffaCakes118.exe	30
PID 2744 wrote to memory of 2756	2744	96289ea18cdd60e6124fd906f1c2c4bf_JaffaCakes118.exe	30
PID 2744 wrote to memory of 1488	2744	96289ea18cdd60e6124fd906f1c2c4bf_JaffaCakes118.exe	32
PID 2744 wrote to memory of 1488	2744	96289ea18cdd60e6124fd906f1c2c4bf_JaffaCakes118.exe	32
PID 2744 wrote to memory of 1488	2744	96289ea18cdd60e6124fd906f1c2c4bf_JaffaCakes118.exe	32
PID 2744 wrote to memory of 1488	2744	96289ea18cdd60e6124fd906f1c2c4bf_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\96289ea18cdd60e6124fd906f1c2c4bf_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\96289ea18cdd60e6124fd906f1c2c4bf_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2744
- C:\Users\Admin\AppData\Local\Temp\96289ea18cdd60e6124fd906f1c2c4bf_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\96289ea18cdd60e6124fd906f1c2c4bf_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2756
- C:\Users\Admin\AppData\Local\Temp\96289ea18cdd60e6124fd906f1c2c4bf_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\96289ea18cdd60e6124fd906f1c2c4bf_JaffaCakes118.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1488

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\CD0F.4B1

Filesize
1KB

MD5
f364232799fb5d22baac692705745556

SHA1
ebb60d1fba2e9cdbbae219312e1615c46e55d4a1

SHA256
4387305e489e9ad9f4f3ba85bc557616a0f26f378f0f781e4d3595017a50054a

SHA512
f5f3f10d0ab44d398bfae789fc053ae3c1df2f36f7b38ea36bdfe5243ead83fdfc2f171d1a75964aec5e2e5d9e3ebaf3b5714ddbaf446bb01c8e1f5a534e9de8

Download Submit
C:\Users\Admin\AppData\Roaming\CD0F.4B1

Filesize
600B

MD5
115e2064b7152c13e935c46af5a1e847

SHA1
bed0c66e556098f52558ea4c1defde1997c84cbb

SHA256
d9d4fb4a4e9823e709ebb711ab64af4657b88e2f65c76c327d65740621fd452c

SHA512
335ebe70f37dfebfa6623d26a4fdfc4e38d80eba2f8c67d46376dffd6eeac5b841df21a9fa26e1ad8ea5bcded9c902200c0aac7b92f3fbee21415da2eda66fe6

Download Submit
C:\Users\Admin\AppData\Roaming\CD0F.4B1

Filesize
996B

MD5
2493c615b6824b7ca1f1dc21f438f814

SHA1
52e4074b270b324681ca4a0bae67bb412712af10

SHA256
9d204a4af50be8652af77683182a3ccaaed10998c0b79bb7dcee7462e044d4b2

SHA512
2e4dd19d9e463cfb2215108e3146ac6095e53defcdcebbfff9d70d22ffbf33b5d604f00da75d07c9d3eef1802b08ce352eab9d2b65dc157d044dbe5d0871198c

Download Submit
memory/1488-70-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1488-71-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2744-1-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2744-2-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2744-12-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2744-72-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2744-167-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2744-172-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2756-5-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads