cycbot | ae1265ca7251abf4bff9c93127c0f4697396e9d19d2c8c771ecb070541902ba7

General

Target

JaffaCakes118_366ca8a405fff66f885da63784adc722.exe
Size

175KB
MD5

366ca8a405fff66f885da63784adc722
SHA1

63e289bebd49c1015f6f1704ba19efa1e353934e
SHA256

ae1265ca7251abf4bff9c93127c0f4697396e9d19d2c8c771ecb070541902ba7
SHA512

7ce529150349c4ca4b6166c561d604ab339f6e1b2fd7117673d2380fb3a7f9fc962c9a7388c253aa37bd5c533c1fd9452d8f3ef71c13f7e05bbb7b58957f4a93
SSDEEP

3072:MhUAPGWlyhLE0aA0x3Sg3AJL4hN08T6/CP5hLZ4OUdpAayChQ0w4Gxe1TGyUyZNn:aUiGeyhLEmZoN08T+Cr9ZUoQUeVGy7Zh

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/2356-9-0x0000000000400000-0x0000000000463000-memory.dmp	family_cycbot
behavioral1/memory/2512-19-0x0000000000400000-0x0000000000463000-memory.dmp	family_cycbot
behavioral1/memory/3008-76-0x0000000000400000-0x0000000000463000-memory.dmp	family_cycbot
behavioral1/memory/2512-162-0x0000000000400000-0x0000000000463000-memory.dmp	family_cycbot
behavioral1/memory/2512-197-0x0000000000400000-0x0000000000463000-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 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2512-2-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/2356-6-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/2356-7-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/2356-9-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/2512-19-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/3008-76-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/3008-75-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/2512-162-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/2512-197-0x0000000000400000-0x0000000000463000-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_366ca8a405fff66f885da63784adc722.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_366ca8a405fff66f885da63784adc722.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_366ca8a405fff66f885da63784adc722.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2512 wrote to memory of 2356	2512	JaffaCakes118_366ca8a405fff66f885da63784adc722.exe	31
PID 2512 wrote to memory of 2356	2512	JaffaCakes118_366ca8a405fff66f885da63784adc722.exe	31
PID 2512 wrote to memory of 2356	2512	JaffaCakes118_366ca8a405fff66f885da63784adc722.exe	31
PID 2512 wrote to memory of 2356	2512	JaffaCakes118_366ca8a405fff66f885da63784adc722.exe	31
PID 2512 wrote to memory of 3008	2512	JaffaCakes118_366ca8a405fff66f885da63784adc722.exe	33
PID 2512 wrote to memory of 3008	2512	JaffaCakes118_366ca8a405fff66f885da63784adc722.exe	33
PID 2512 wrote to memory of 3008	2512	JaffaCakes118_366ca8a405fff66f885da63784adc722.exe	33
PID 2512 wrote to memory of 3008	2512	JaffaCakes118_366ca8a405fff66f885da63784adc722.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_366ca8a405fff66f885da63784adc722.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_366ca8a405fff66f885da63784adc722.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2512
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_366ca8a405fff66f885da63784adc722.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_366ca8a405fff66f885da63784adc722.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2356
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_366ca8a405fff66f885da63784adc722.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_366ca8a405fff66f885da63784adc722.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3008

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\03CB.A1D

Filesize
1KB

MD5
bb194d49f1199a7ec7ef4611315a9c6d

SHA1
a207c6f7b5b30e76aba0f768d7af81f57cdc7c65

SHA256
01e510887f7a623c16d1f337e09d5a196b4b04abb9452503145b53bfa690c3c6

SHA512
1fbe1c1ac3203a07b5b2216375c9327bbd94c9fa661c251834eb22c980fe096230e54d87eb1e1cdae522077f648d7d56bc6f0b54b2ced6fd88d1f65807e5c9b1

Download Submit
C:\Users\Admin\AppData\Roaming\03CB.A1D

Filesize
1KB

MD5
6cbdffb5436bb27030198cf51970de56

SHA1
a67be8d7da9e2432ebc2574081bbca758ba3c89e

SHA256
39b60853439b010748c49fcddc8044ed1b876274c630725d46348ce8d87ec78a

SHA512
a90ee2a9de2019ea5864db4041d01ef48549c981ea711b9af25f101c3c6827c0ff4b29f8f3f30f4cde55c140331a8d3a825ef89da0ed7e2d1e00516aaf38a0de

Download Submit
C:\Users\Admin\AppData\Roaming\03CB.A1D

Filesize
897B

MD5
2800ff379f4d6afe5f9502df2b9f2a45

SHA1
a315461c69ce9f7cde8ee4c9125f562afc0b6042

SHA256
7bcbb2514080904958891dffce62ed6eac99969be375c45d2185a6cafb846ef0

SHA512
d188b13ebf209348e3698b8b1f380519e70a5ccea42b50502560972413bffc5c06cfe56e5892476c41e918b4a94dbfe67feabdff7ba7e8c3107a894e88b0f948

Download Submit
memory/2356-7-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2356-9-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2356-6-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2512-19-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2512-1-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2512-2-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2512-162-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2512-197-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/3008-73-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/3008-76-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/3008-75-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download

Analysis

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