cycbot | b2f1eb62dbb0749eecd919a30a44d0013525ea6b978afd62d07a476b86d17f1d

General

Target

a60771a1e5822c61c31113c379107528_JaffaCakes118.exe
Size

183KB
MD5

a60771a1e5822c61c31113c379107528
SHA1

0db703eed3a19869b74bb89d4e36a28dbc43028e
SHA256

b2f1eb62dbb0749eecd919a30a44d0013525ea6b978afd62d07a476b86d17f1d
SHA512

31036867057546817467f56daede2013c721a3eb7e11923d2897a63ef69db05ef9d8741e1e7764e617c025d7e79b9d0faf79a92fbb366edbaa77fcad4913efa1
SSDEEP

3072:VRUicGA0U0vg2yh7n2t0oTqaQKx2kU54Fyaw0b7vkJciwxNvrJHKmDVe3:RcGngxV+qzK4ke/O9D9DDVe

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/1732-9-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/2068-15-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/272-85-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/2068-189-0x0000000000400000-0x000000000044E000-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 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2068-1-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/1732-9-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2068-15-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/272-84-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/272-85-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2068-189-0x0000000000400000-0x000000000044E000-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	a60771a1e5822c61c31113c379107528_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a60771a1e5822c61c31113c379107528_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a60771a1e5822c61c31113c379107528_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 1732	2068	a60771a1e5822c61c31113c379107528_JaffaCakes118.exe	31
PID 2068 wrote to memory of 1732	2068	a60771a1e5822c61c31113c379107528_JaffaCakes118.exe	31
PID 2068 wrote to memory of 1732	2068	a60771a1e5822c61c31113c379107528_JaffaCakes118.exe	31
PID 2068 wrote to memory of 1732	2068	a60771a1e5822c61c31113c379107528_JaffaCakes118.exe	31
PID 2068 wrote to memory of 272	2068	a60771a1e5822c61c31113c379107528_JaffaCakes118.exe	33
PID 2068 wrote to memory of 272	2068	a60771a1e5822c61c31113c379107528_JaffaCakes118.exe	33
PID 2068 wrote to memory of 272	2068	a60771a1e5822c61c31113c379107528_JaffaCakes118.exe	33
PID 2068 wrote to memory of 272	2068	a60771a1e5822c61c31113c379107528_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\a60771a1e5822c61c31113c379107528_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a60771a1e5822c61c31113c379107528_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2068
- C:\Users\Admin\AppData\Local\Temp\a60771a1e5822c61c31113c379107528_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\a60771a1e5822c61c31113c379107528_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1732
- C:\Users\Admin\AppData\Local\Temp\a60771a1e5822c61c31113c379107528_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\a60771a1e5822c61c31113c379107528_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:272

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\713A.89B

Filesize
1KB

MD5
a66e431621ea046682c489f639b053d3

SHA1
1734c0fd6db48d1cfb734deca93e55f90969e8e9

SHA256
36d207a18ca64d7a2a58d749745b8b49261efa2ffd301ec9043ac040c7e6d847

SHA512
e137736995d7c0da1d375fb972b2672938e8a49c6178942eb5625225f1354355bef48cace6802f8797295991f2c6026dde2ea04ad78fede469fe6cd6ab3904f6

Download Submit
C:\Users\Admin\AppData\Roaming\713A.89B

Filesize
597B

MD5
3412b50331547753c1124959f4c6e6dd

SHA1
b34d8eec74df5ed3f65cd668100786bccc34332f

SHA256
1935f04e539af9788ed924fc109a0596a4c21547500e440036dbc55a36c4eeff

SHA512
4a7833a8764788787747f828ee6fcb42417a0387369cac2cc679e40ffacb327e02923af5487337af44da4776b96002dd26c3241f943b5f5a67a0ae704be08f08

Download Submit
C:\Users\Admin\AppData\Roaming\713A.89B

Filesize
297B

MD5
2eee5d6921fb533ec7e7a991418bac0a

SHA1
3419f8fe18f2d4831d99ad2d181363ac5cb47efb

SHA256
fd97abe186c16e7b659e6f60fc351c87d926278eb9534e5039bc147eda5398ad

SHA512
2eaa239450597a130fb04da0d94160e557b8da47a78ac599e009168fee34052645a6f569d4855e0efa25c44b22933348d45d9dfa32a9c7a609301f0746292ee4

Download Submit
memory/272-84-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/272-83-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/272-85-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1732-9-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2068-1-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2068-15-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2068-189-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

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