cycbot | b47260f1e0e646719c8d38f0e0fdd579a6b25b9db48d7b4e6447a5edce3a7de3

General

Target

cf86a112eca969a28b5d08a015aa5a41_JaffaCakes118.exe
Size

184KB
MD5

cf86a112eca969a28b5d08a015aa5a41
SHA1

2e730e35e1df222b531ad40d4235bce4222fff75
SHA256

b47260f1e0e646719c8d38f0e0fdd579a6b25b9db48d7b4e6447a5edce3a7de3
SHA512

9da8140a14e9c8dd264056ac31f6e8b3e174d864952be9e974ddc4c548186aba841892d30250137e4cb96fe326c46089ce7c3365429e1270147a82f5a280c77b
SSDEEP

3072:yIkclVwZx7RWtScSg5rh+gn5A2RG+XdnoDB8Ya2YLuLkGU1yo/tW:uclVux7ItTg2RGcI+Ya9QUES

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/2304-8-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/2380-15-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/924-76-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/2380-143-0x0000000000400000-0x0000000000468000-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 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2380-2-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2304-6-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2304-5-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2304-8-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2380-15-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/924-75-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/924-76-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2380-143-0x0000000000400000-0x0000000000468000-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	cf86a112eca969a28b5d08a015aa5a41_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cf86a112eca969a28b5d08a015aa5a41_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cf86a112eca969a28b5d08a015aa5a41_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 2304	2380	cf86a112eca969a28b5d08a015aa5a41_JaffaCakes118.exe	29
PID 2380 wrote to memory of 2304	2380	cf86a112eca969a28b5d08a015aa5a41_JaffaCakes118.exe	29
PID 2380 wrote to memory of 2304	2380	cf86a112eca969a28b5d08a015aa5a41_JaffaCakes118.exe	29
PID 2380 wrote to memory of 2304	2380	cf86a112eca969a28b5d08a015aa5a41_JaffaCakes118.exe	29
PID 2380 wrote to memory of 924	2380	cf86a112eca969a28b5d08a015aa5a41_JaffaCakes118.exe	31
PID 2380 wrote to memory of 924	2380	cf86a112eca969a28b5d08a015aa5a41_JaffaCakes118.exe	31
PID 2380 wrote to memory of 924	2380	cf86a112eca969a28b5d08a015aa5a41_JaffaCakes118.exe	31
PID 2380 wrote to memory of 924	2380	cf86a112eca969a28b5d08a015aa5a41_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\cf86a112eca969a28b5d08a015aa5a41_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cf86a112eca969a28b5d08a015aa5a41_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Users\Admin\AppData\Local\Temp\cf86a112eca969a28b5d08a015aa5a41_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\cf86a112eca969a28b5d08a015aa5a41_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2304
- C:\Users\Admin\AppData\Local\Temp\cf86a112eca969a28b5d08a015aa5a41_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\cf86a112eca969a28b5d08a015aa5a41_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:924

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\D0D5.E9B

Filesize
1KB

MD5
1af0d0b125c6cadf7d815e136ee24932

SHA1
15ddf34bc4a752f7b480234461bdcfea8ed74fef

SHA256
8713d6d8ed904853f1bf224bdeccf9b140c408c3832b3f845a6d856865ad355f

SHA512
d411688bdf831178b4ad3ae766b844c146e8564ef00ece973c9d834fa1b66bf67673cf27a179f6bcc45fa7485c6511bcfa5c64e76d3d32e2cabd45831384ed06

Download Submit
C:\Users\Admin\AppData\Roaming\D0D5.E9B

Filesize
600B

MD5
13fad5ea52587afa974d711fac513e7d

SHA1
867188c879138443a5923f4d230d1ba26f7963f9

SHA256
bc08653265f662c9b3f726f3360b90f260b3df5237fd14e759f51875c5c31017

SHA512
f6329bdd335166f85604d115dc45b0f23c8e041297ac6ef4b6fad2f69c855ec1cc22a389aa3f0e563ced56eb24c22156b1cc1b6a7968b8dfafe0fea269418164

Download Submit
C:\Users\Admin\AppData\Roaming\D0D5.E9B

Filesize
996B

MD5
cede00e50698e59d45182b3df8631a34

SHA1
730400f68465cd8683976aff3c8e39454c9a06e7

SHA256
12e1caf974f76025e1d985c4bccb5c829c64591c567b934377a70c8199fc4e71

SHA512
bda018ad493190971f1c513a739b8614c8bf828e8e8a86e16ba8f4efb3be9cb5cd27b6b1227eef213d72e5837d7e8fec11a8e5e38d3ca67b3aee75adfdce90b6

Download Submit
memory/924-75-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/924-76-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2304-6-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2304-5-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2304-8-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2380-1-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2380-2-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2380-15-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2380-143-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download

Analysis

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