cycbot | bcfaae978a9bf55798bede10ba7851277f38fd7660f2acb6d89f201ab62fa058

General

Target

ff56b9d51829fd933cb9e55617bebb28_JaffaCakes118.exe
Size

193KB
MD5

ff56b9d51829fd933cb9e55617bebb28
SHA1

0ed03074fb00cf2103fce9217b80e9ff88775188
SHA256

bcfaae978a9bf55798bede10ba7851277f38fd7660f2acb6d89f201ab62fa058
SHA512

025eba343abfba9cdf7545f5303d25a72804eb06a5473f3758e8d27c981fa4e97d920742e2327056a887976444b15153498bfb4e1cd99ff85b8f6db52bc99b09
SSDEEP

6144:IP/SZjPMMy1PdI5kyGil/dd972ZnzolY:I2jzga5GGvY8lY

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/2376-12-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/1452-14-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/2164-83-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/1452-194-0x0000000000400000-0x000000000044E000-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/1452-2-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2376-12-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/1452-14-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2164-84-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2164-83-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/1452-194-0x0000000000400000-0x000000000044E000-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	ff56b9d51829fd933cb9e55617bebb28_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ff56b9d51829fd933cb9e55617bebb28_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ff56b9d51829fd933cb9e55617bebb28_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1452 wrote to memory of 2376	1452	ff56b9d51829fd933cb9e55617bebb28_JaffaCakes118.exe	30
PID 1452 wrote to memory of 2376	1452	ff56b9d51829fd933cb9e55617bebb28_JaffaCakes118.exe	30
PID 1452 wrote to memory of 2376	1452	ff56b9d51829fd933cb9e55617bebb28_JaffaCakes118.exe	30
PID 1452 wrote to memory of 2376	1452	ff56b9d51829fd933cb9e55617bebb28_JaffaCakes118.exe	30
PID 1452 wrote to memory of 2164	1452	ff56b9d51829fd933cb9e55617bebb28_JaffaCakes118.exe	32
PID 1452 wrote to memory of 2164	1452	ff56b9d51829fd933cb9e55617bebb28_JaffaCakes118.exe	32
PID 1452 wrote to memory of 2164	1452	ff56b9d51829fd933cb9e55617bebb28_JaffaCakes118.exe	32
PID 1452 wrote to memory of 2164	1452	ff56b9d51829fd933cb9e55617bebb28_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\ff56b9d51829fd933cb9e55617bebb28_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ff56b9d51829fd933cb9e55617bebb28_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1452
- C:\Users\Admin\AppData\Local\Temp\ff56b9d51829fd933cb9e55617bebb28_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\ff56b9d51829fd933cb9e55617bebb28_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2376
- C:\Users\Admin\AppData\Local\Temp\ff56b9d51829fd933cb9e55617bebb28_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\ff56b9d51829fd933cb9e55617bebb28_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2164

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\F953.E48

Filesize
1KB

MD5
18baf6fc6558950807f68c992b755242

SHA1
2040ae48fda8287ce98a8ce554be62c069a636a6

SHA256
92d5b1eacd1f9a9b1ab6dc7b57b789f714e3210e8d5fe561b53c7fd2fd5f0dff

SHA512
c2ac4dd21ba5d04eae47f20b3c0434636e07dafb218ec3b906424c633bf8d74f8175cf703f945f4f415bc4bc9b1a11788ee8d798aebc3aa7ec8f809f8c5265e0

Download Submit
C:\Users\Admin\AppData\Roaming\F953.E48

Filesize
600B

MD5
bd6c7739172970ca292384871377de7b

SHA1
abf02bbec9f03d6dad3ed06755b52abebab0c24c

SHA256
70384dd40ee0ad06e7989936e3cfed0042d9dd4adffc2490f3b1adf998b754de

SHA512
fca16de476dff115910d22208f0555a47db39190a4dfe777aa78c52773409fef870066ed779e29b02b8a9b9b614a7f5684de46ee450203ede0986145601c3168

Download Submit
C:\Users\Admin\AppData\Roaming\F953.E48

Filesize
996B

MD5
7324128ffb14da3996d08e9fa3c41b18

SHA1
0deafa48f76ad4931e4d4b76f6ef6d0609cd36c8

SHA256
b50579af9bca8289f326ac2d49afdd7e5c0747d8e88fb32edd6eadbbb64b1e51

SHA512
76d653c54acc95f7f3e68de03b20f07a2e283696d0bb7d2aaacae75376f5aea8488fa1af6afc1049c74c2c92dec8c1f78d728e876fb1223b659e337c8ed89bb0

Download Submit
memory/1452-1-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1452-2-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1452-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1452-194-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2164-84-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2164-83-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2376-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

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