cycbot | 70957925f0a9ccf1b05c8d01652b9c89f6f9321e0f07a5114f626c20f3319db1

General

Target

JaffaCakes118_6408cd34411157cdb079691bdc14f30a.exe
Size

188KB
MD5

6408cd34411157cdb079691bdc14f30a
SHA1

4b2a1083dbbd901188ec7a9dd6c4147a51d95507
SHA256

70957925f0a9ccf1b05c8d01652b9c89f6f9321e0f07a5114f626c20f3319db1
SHA512

aab79be91904e353a64d41a7e31ad63fc4ba7f8defea817715e0c5b7c5b96c11df8c065be0f477b51830d7d625c4365aa6a2c3cc94080588634aa307c05c51e6
SSDEEP

3072:ceKxgm5VFtaNQzE/GOJxUcPd1FAWt4ujhSa5qlMEthSP6DVMg/gx77q1gVXQXata:ceOgA0Kz5OJLPd1yWqaChBDVMdx77q1/

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 5 IoCs

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

resource	yara_rule
behavioral1/memory/2092-8-0x0000000000400000-0x0000000000447000-memory.dmp	family_cycbot
behavioral1/memory/1800-15-0x0000000000400000-0x0000000000447000-memory.dmp	family_cycbot
behavioral1/memory/1468-80-0x0000000000400000-0x0000000000447000-memory.dmp	family_cycbot
behavioral1/memory/1800-176-0x0000000000400000-0x0000000000447000-memory.dmp	family_cycbot
behavioral1/memory/1800-215-0x0000000000400000-0x0000000000447000-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/1800-2-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral1/memory/2092-5-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral1/memory/2092-6-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral1/memory/2092-8-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral1/memory/1800-15-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral1/memory/1468-80-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral1/memory/1800-176-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral1/memory/1800-215-0x0000000000400000-0x0000000000447000-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	JaffaCakes118_6408cd34411157cdb079691bdc14f30a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6408cd34411157cdb079691bdc14f30a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6408cd34411157cdb079691bdc14f30a.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1800 wrote to memory of 2092	1800	JaffaCakes118_6408cd34411157cdb079691bdc14f30a.exe	31
PID 1800 wrote to memory of 2092	1800	JaffaCakes118_6408cd34411157cdb079691bdc14f30a.exe	31
PID 1800 wrote to memory of 2092	1800	JaffaCakes118_6408cd34411157cdb079691bdc14f30a.exe	31
PID 1800 wrote to memory of 2092	1800	JaffaCakes118_6408cd34411157cdb079691bdc14f30a.exe	31
PID 1800 wrote to memory of 1468	1800	JaffaCakes118_6408cd34411157cdb079691bdc14f30a.exe	33
PID 1800 wrote to memory of 1468	1800	JaffaCakes118_6408cd34411157cdb079691bdc14f30a.exe	33
PID 1800 wrote to memory of 1468	1800	JaffaCakes118_6408cd34411157cdb079691bdc14f30a.exe	33
PID 1800 wrote to memory of 1468	1800	JaffaCakes118_6408cd34411157cdb079691bdc14f30a.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6408cd34411157cdb079691bdc14f30a.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6408cd34411157cdb079691bdc14f30a.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1800
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6408cd34411157cdb079691bdc14f30a.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6408cd34411157cdb079691bdc14f30a.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2092
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6408cd34411157cdb079691bdc14f30a.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6408cd34411157cdb079691bdc14f30a.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1468

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\4E76.501

Filesize
1KB

MD5
43b28e1e190547f3cb48c83bef1829ab

SHA1
1c06898a82561a291a9ecc01b3a1c5b8555f8801

SHA256
dfa5a391e6b14c8b02830ba448bf6394e2fb32d0dd9b0fa81d16f0e32021089c

SHA512
5b307a96305f6f496a1350d97a4467ddf4182555c64d8f1b33f87c51d33a060fddae0919f83e11cc530bb66b3974e02071c6fdaedf3a9a96fb652da4374a54a7

Download Submit
C:\Users\Admin\AppData\Roaming\4E76.501

Filesize
600B

MD5
348db5b9c99aa411bff8a206701ef483

SHA1
620e3c428ea6ff18f973b745eb0f155437ff1f2e

SHA256
0a2463fdbb8feaedbc6edcdbd4efb09c5697e7a6a0188161ca57b4a56e7637f1

SHA512
6eee22b7ef59b0fc53dd36e0a8fe5f589c15ef359d063587cd32d8c4b08034de3e534a48e6b58e9f5eda8d1c98e36da5d128331eaf7e0c8d51cefbee83341875

Download Submit
C:\Users\Admin\AppData\Roaming\4E76.501

Filesize
996B

MD5
72d7383faa3c20998cb972185b32d9ba

SHA1
4b9532197f7816aa20c73f890754897b15f7983a

SHA256
1d0cb70c3cde298d463f9e3abddb3696b082b5af60c8951ab762872c1d7ad69a

SHA512
1a145dc61a4b156bf10b5fd8a5168fc55ed14698a7e7f60bcfd15a4ec0ba7dd4197889670180e0bcfbd747f670f199a0d563c78634a73c8880f103c3f56d9004

Download Submit
memory/1468-80-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/1800-1-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/1800-2-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/1800-15-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/1800-176-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/1800-215-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2092-5-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2092-6-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2092-8-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download

Analysis

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