cycbot | 2c6ab805eb699e89d5a7a63831db49524cc86737c69ca5e6cd43f9a39c90b58b

General

Target

JaffaCakes118_3e6224196f2c7149594556e178f04d6d.exe
Size

163KB
MD5

3e6224196f2c7149594556e178f04d6d
SHA1

ecf55440f2e5b5fede1b6413e09c0c014f73d451
SHA256

2c6ab805eb699e89d5a7a63831db49524cc86737c69ca5e6cd43f9a39c90b58b
SHA512

fe250be96ee8e61289ef1150845d87aeee1c72ff6ffbd5d80a17f310e395cf67985216a78b98e4e8e5c3a00ccc3a550e3077c6b6cfedf4ee2ab59003769b2315
SSDEEP

3072:I/QC2ONHRPMQB0DdqXzyqzpNiKRc07AXeGlR4C1xDKUhZbCc80m7q3mw:+ZNBHmg5zeKRcBXD4C11KU0+3

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++.

resource	yara_rule
behavioral1/memory/2980-15-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2076-16-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2092-87-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2092-85-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2076-88-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2076-181-0x0000000000400000-0x0000000000445000-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"	JaffaCakes118_3e6224196f2c7149594556e178f04d6d.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2076-2-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2980-13-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2980-12-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2980-15-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2076-16-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2092-87-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2092-85-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2076-88-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2076-181-0x0000000000400000-0x0000000000445000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 1 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	JaffaCakes118_3e6224196f2c7149594556e178f04d6d.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2076 wrote to memory of 2980	2076	JaffaCakes118_3e6224196f2c7149594556e178f04d6d.exe	30
PID 2076 wrote to memory of 2980	2076	JaffaCakes118_3e6224196f2c7149594556e178f04d6d.exe	30
PID 2076 wrote to memory of 2980	2076	JaffaCakes118_3e6224196f2c7149594556e178f04d6d.exe	30
PID 2076 wrote to memory of 2980	2076	JaffaCakes118_3e6224196f2c7149594556e178f04d6d.exe	30
PID 2076 wrote to memory of 2092	2076	JaffaCakes118_3e6224196f2c7149594556e178f04d6d.exe	32
PID 2076 wrote to memory of 2092	2076	JaffaCakes118_3e6224196f2c7149594556e178f04d6d.exe	32
PID 2076 wrote to memory of 2092	2076	JaffaCakes118_3e6224196f2c7149594556e178f04d6d.exe	32
PID 2076 wrote to memory of 2092	2076	JaffaCakes118_3e6224196f2c7149594556e178f04d6d.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3e6224196f2c7149594556e178f04d6d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3e6224196f2c7149594556e178f04d6d.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2076
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3e6224196f2c7149594556e178f04d6d.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3e6224196f2c7149594556e178f04d6d.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  PID:2980
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3e6224196f2c7149594556e178f04d6d.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3e6224196f2c7149594556e178f04d6d.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  PID:2092

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\58F0.6F9

Filesize
1KB

MD5
fe10a9840ba4a2a1a5c5e3a729112adc

SHA1
7397f699bb6ba41371ccd8e60473c19bb4805065

SHA256
f723a990daa45c758419f760da2ffde7ae781c1bebd5d849bba4acc83d4ec4f6

SHA512
d7d71009602db2448832be47f2e3ebd58d95c6b1d5cc1888eefb9fbf15dc3c84b285df2c44d26fefbf5454b7e1ab166cbbfab029f34a6006582c1f42afd30387

Download Submit
C:\Users\Admin\AppData\Roaming\58F0.6F9

Filesize
600B

MD5
b579b6e432db7436ec0c8b9aedfadd91

SHA1
8d99fa314fd65c9824a93b250252ba793362a697

SHA256
fb2b7b325cb8f4b79effcbd00211dcd7dc99a5b284a14778f5d9f9e31a047b55

SHA512
4bcd32685fb148eb50ecb657a0fb9e238369133ac7c6a675f1b7c8d1cb2102f47ea7a43b352ad73f50339d882d71c16eb7354e0596faee4743cd7e20d4f5f057

Download Submit
C:\Users\Admin\AppData\Roaming\58F0.6F9

Filesize
996B

MD5
7440333d7aa7be0547bc3ba1e00eb3f9

SHA1
a721672a7d3fd069ae9a289ebbb7dcded730c9ae

SHA256
741fc049aebf2a5d1091ecaeef7ff6f88f36855d49c683218b2807d1734ba21b

SHA512
f0141f09f62a03a299b5c136dcdebdd831b50356b3dd0897b491a8bad3409498d247914b885ab38e1a2b833bc92c301c734965e58778afdc32a823e7170570a1

Download Submit
memory/2076-1-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2076-2-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2076-181-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2076-16-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2076-88-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2092-85-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2092-87-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2092-84-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2980-15-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2980-12-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2980-13-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads