cycbot | d326bc47518e601fee75a802e907d37d4639c7eabae43ba313f869ec6e39497b

General

Target

c95fc06a48c617ac8c4cb0a8d862643c_JaffaCakes118.exe
Size

216KB
MD5

c95fc06a48c617ac8c4cb0a8d862643c
SHA1

83591da8cb176e09c07a90906fa6baf6847af573
SHA256

d326bc47518e601fee75a802e907d37d4639c7eabae43ba313f869ec6e39497b
SHA512

ed341838d1013a06861b86a52ad95f2538ff85efdd1aa645d1c26d46ed5939d5b424d45bc3dc68a0bdde9e1f8875c284ec4fb779d7881ec81d81a2b011970ba5
SSDEEP

6144:YiXpzLN8QHWmcDR0GPccD9rXw6sUmGKHv6G2w7A3Ez:bzh8QHW5VlUc5rLmtRz

Score

10^/10

cycbot backdoor discovery 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 4 IoCs

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

resource	yara_rule
behavioral1/memory/2812-7-0x0000000000400000-0x000000000044F000-memory.dmp	family_cycbot
behavioral1/memory/2756-15-0x0000000000400000-0x000000000044F000-memory.dmp	family_cycbot
behavioral1/memory/2976-72-0x0000000000400000-0x000000000044F000-memory.dmp	family_cycbot
behavioral1/memory/2756-184-0x0000000000400000-0x000000000044F000-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

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2756-2-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/2812-6-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/2812-7-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/2756-15-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/2976-72-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/2756-184-0x0000000000400000-0x000000000044F000-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	c95fc06a48c617ac8c4cb0a8d862643c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c95fc06a48c617ac8c4cb0a8d862643c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c95fc06a48c617ac8c4cb0a8d862643c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 2812	2756	c95fc06a48c617ac8c4cb0a8d862643c_JaffaCakes118.exe	30
PID 2756 wrote to memory of 2812	2756	c95fc06a48c617ac8c4cb0a8d862643c_JaffaCakes118.exe	30
PID 2756 wrote to memory of 2812	2756	c95fc06a48c617ac8c4cb0a8d862643c_JaffaCakes118.exe	30
PID 2756 wrote to memory of 2812	2756	c95fc06a48c617ac8c4cb0a8d862643c_JaffaCakes118.exe	30
PID 2756 wrote to memory of 2976	2756	c95fc06a48c617ac8c4cb0a8d862643c_JaffaCakes118.exe	32
PID 2756 wrote to memory of 2976	2756	c95fc06a48c617ac8c4cb0a8d862643c_JaffaCakes118.exe	32
PID 2756 wrote to memory of 2976	2756	c95fc06a48c617ac8c4cb0a8d862643c_JaffaCakes118.exe	32
PID 2756 wrote to memory of 2976	2756	c95fc06a48c617ac8c4cb0a8d862643c_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\c95fc06a48c617ac8c4cb0a8d862643c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c95fc06a48c617ac8c4cb0a8d862643c_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Users\Admin\AppData\Local\Temp\c95fc06a48c617ac8c4cb0a8d862643c_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\c95fc06a48c617ac8c4cb0a8d862643c_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2812
- C:\Users\Admin\AppData\Local\Temp\c95fc06a48c617ac8c4cb0a8d862643c_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\c95fc06a48c617ac8c4cb0a8d862643c_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2976

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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\7843.636

Filesize
1KB

MD5
565b3d87c6b309f05d67ac4a4206abf1

SHA1
c51e390c6bd727e82c9e6bb20fc11f8f75b08b05

SHA256
fe2cd84dc510b923ac7c831c100e0e6c22aea65d1d7669b0a13fb00b09243b49

SHA512
5c9440ecbc263498d3df53a227fddd8c13f1efee20a903745841ea78f06201883a713b5cdab4beb6da89d962244971ca1e5919a26885a7b2810ec667474447a6

Download Submit
C:\Users\Admin\AppData\Roaming\7843.636

Filesize
600B

MD5
43cf20ed04c1fc2cf46faebc33e16805

SHA1
4d4f330c992d17fef0b6fe84f4ccf7426edd6ef0

SHA256
4b44debba72bcd1c559849528a8e4d50d6eac3ef2ed26373fb07ccf3c9295d46

SHA512
d4e85345b1c172557f6dffe04834d3e8b05b7e61160dceffabd2fbf6c097e822eac5bd4b1cb2bd321d2bcf952121c93161ca086252c84b6c8ded71ee969f7637

Download Submit
C:\Users\Admin\AppData\Roaming\7843.636

Filesize
996B

MD5
919788742e9ef9a26e39f4e96f45ea8f

SHA1
3dcf32623ad69007baa7e7750fc8c8b9c9bd625c

SHA256
d9e6bb5b06a65155bc02c4640b0134277cf371a497b8daa601b1c8a85a64f14d

SHA512
b50d29203c04df61fdc01ffca36449e945db342ea4400d01d39396faa66278984046d89ee41466da8d4eee41931f8494f8ef13053aa5c74cd98a00387650b11b

Download Submit
memory/2756-1-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2756-2-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2756-15-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2756-184-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2812-5-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2812-6-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2812-7-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2976-71-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2976-72-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download

Analysis

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