cycbot | b06f7633690cf1c64abf8a07626a25dccde2fc0913e76b273223e48510e99714

General

Target

da6bda82442c8b13e68b57dcb90d2ceb_JaffaCakes118.exe
Size

165KB
MD5

da6bda82442c8b13e68b57dcb90d2ceb
SHA1

95a6b4f45e5d7c9907fd0640bfe9396a50728859
SHA256

b06f7633690cf1c64abf8a07626a25dccde2fc0913e76b273223e48510e99714
SHA512

fb6f7afa4a2f2067ab4eb1cffdf88ec1d02d92abbb5e38a17c3e8d85534c05730e2f53f8a17a966a6eeb47a4361496d9caf96d016c20152afdda5c4dd5afe6ec
SSDEEP

3072:gYur0TXmLDldYfHJwsC6t4u0GotCyqVfYzUpWjxVhRx5HLniwMIE3:gYUs2LDl/sC6njEqWzpJzMIE3

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 5 IoCs

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

resource	yara_rule
behavioral1/memory/2380-14-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2312-15-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2312-72-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/1616-74-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2312-192-0x0000000000400000-0x0000000000445000-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"	da6bda82442c8b13e68b57dcb90d2ceb_JaffaCakes118.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2312-2-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2380-12-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2380-14-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2312-15-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2312-72-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/1616-74-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2312-192-0x0000000000400000-0x0000000000445000-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	da6bda82442c8b13e68b57dcb90d2ceb_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	da6bda82442c8b13e68b57dcb90d2ceb_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	da6bda82442c8b13e68b57dcb90d2ceb_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2312 wrote to memory of 2380	2312	da6bda82442c8b13e68b57dcb90d2ceb_JaffaCakes118.exe	30
PID 2312 wrote to memory of 2380	2312	da6bda82442c8b13e68b57dcb90d2ceb_JaffaCakes118.exe	30
PID 2312 wrote to memory of 2380	2312	da6bda82442c8b13e68b57dcb90d2ceb_JaffaCakes118.exe	30
PID 2312 wrote to memory of 2380	2312	da6bda82442c8b13e68b57dcb90d2ceb_JaffaCakes118.exe	30
PID 2312 wrote to memory of 1616	2312	da6bda82442c8b13e68b57dcb90d2ceb_JaffaCakes118.exe	32
PID 2312 wrote to memory of 1616	2312	da6bda82442c8b13e68b57dcb90d2ceb_JaffaCakes118.exe	32
PID 2312 wrote to memory of 1616	2312	da6bda82442c8b13e68b57dcb90d2ceb_JaffaCakes118.exe	32
PID 2312 wrote to memory of 1616	2312	da6bda82442c8b13e68b57dcb90d2ceb_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\da6bda82442c8b13e68b57dcb90d2ceb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\da6bda82442c8b13e68b57dcb90d2ceb_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2312
- C:\Users\Admin\AppData\Local\Temp\da6bda82442c8b13e68b57dcb90d2ceb_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\da6bda82442c8b13e68b57dcb90d2ceb_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2380
- C:\Users\Admin\AppData\Local\Temp\da6bda82442c8b13e68b57dcb90d2ceb_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\da6bda82442c8b13e68b57dcb90d2ceb_JaffaCakes118.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1616

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\AFCE.276

Filesize
1KB

MD5
ad7bf46b5311ddb85a6a80a386248c60

SHA1
803b181426bc47231f2d7cc00dcd4654f0cf6b4d

SHA256
00133374aaa38c9a2874a39c7b5abe48dd041c43e1467a64e1ab9b3857622263

SHA512
a62ee9f6222e1cb089680d3b264c3a8ae3a6e6853afb06073bd06a04ebf60c1c4d6e474378afc8b86b47d848ee619a3e1e0c1695830435d5c223d6b5af0dd134

Download Submit
C:\Users\Admin\AppData\Roaming\AFCE.276

Filesize
600B

MD5
0fbb05a203d6c09b4c8be4f8c029a227

SHA1
be2eebd4bdaf254d80af94f6a6c304e7c57ce615

SHA256
02cc5e1ca9dd9d8c1c6599729962418f648ca13de6ca30b898d330e6dbc315ec

SHA512
0ad759857eebbb51f3de40090488bafed4671676b68addbd6ad0ece7733b80a40c1034d499c4b1bb647ff4a7b043524439c39a855b6e8d08833f911a6f681358

Download Submit
C:\Users\Admin\AppData\Roaming\AFCE.276

Filesize
996B

MD5
b2e371220c8ac9119f26d7d2cd8aaddc

SHA1
98510c25211d5bcf9b97f21b1cb637a37fc37122

SHA256
7e8df4e28412289c4a70a73f3585d08beb9337c2d9ea27c9a93a8d3c5687d320

SHA512
9419323c64fd95dd1c27f7b40d6293b864bade179adae9be908b4b6eff26b6eb5848c767dd07a5c665c2a251b3c58dbbf2959354119d4c16f8c35ee199b99d99

Download Submit
memory/1616-74-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2312-1-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2312-2-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2312-15-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2312-72-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2312-192-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2380-12-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2380-14-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads