cycbot | 1007208bf69be0bed05fa22242aa06966693d33793a824e7c73323c10f1a3fb6

General

Target

JaffaCakes118_1d75597340a49b719b6053b577ace669.exe
Size

185KB
MD5

1d75597340a49b719b6053b577ace669
SHA1

06a5a5e027a009ac083d685cee808ebc73c45502
SHA256

1007208bf69be0bed05fa22242aa06966693d33793a824e7c73323c10f1a3fb6
SHA512

1f4655f4a0e083f2fe21a5f6c64f830fad04de0d51594ba18e3f98ea134357fc529eea83358d34eb83208fea485afb8de3f6a848f0b0e72c5669f21de7362570
SSDEEP

3072:t8+rfhgzISx1YZFwKm2BpxrHlsAY4hTj7KDY2ASxT7upC5w1cbw1zHZoOC3:tPNgzIEe+mLlsEh2OSxu05w1cshZoO

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/2704-14-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2228-15-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2228-16-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/1564-110-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2228-273-0x0000000000400000-0x0000000000455000-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/2228-2-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2704-12-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2704-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2228-15-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2228-16-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/1564-109-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1564-110-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2228-273-0x0000000000400000-0x0000000000455000-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_1d75597340a49b719b6053b577ace669.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1d75597340a49b719b6053b577ace669.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1d75597340a49b719b6053b577ace669.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 2704	2228	JaffaCakes118_1d75597340a49b719b6053b577ace669.exe	30
PID 2228 wrote to memory of 2704	2228	JaffaCakes118_1d75597340a49b719b6053b577ace669.exe	30
PID 2228 wrote to memory of 2704	2228	JaffaCakes118_1d75597340a49b719b6053b577ace669.exe	30
PID 2228 wrote to memory of 2704	2228	JaffaCakes118_1d75597340a49b719b6053b577ace669.exe	30
PID 2228 wrote to memory of 1564	2228	JaffaCakes118_1d75597340a49b719b6053b577ace669.exe	32
PID 2228 wrote to memory of 1564	2228	JaffaCakes118_1d75597340a49b719b6053b577ace669.exe	32
PID 2228 wrote to memory of 1564	2228	JaffaCakes118_1d75597340a49b719b6053b577ace669.exe	32
PID 2228 wrote to memory of 1564	2228	JaffaCakes118_1d75597340a49b719b6053b577ace669.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1d75597340a49b719b6053b577ace669.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1d75597340a49b719b6053b577ace669.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2228
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1d75597340a49b719b6053b577ace669.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1d75597340a49b719b6053b577ace669.exe startC:\Program Files (x86)\LP\26FB\C98.exe%C:\Program Files (x86)\LP\26FB
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2704
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1d75597340a49b719b6053b577ace669.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1d75597340a49b719b6053b577ace669.exe startC:\Users\Admin\AppData\Roaming\BA155\DC526.exe%C:\Users\Admin\AppData\Roaming\BA155
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1564

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\BA155\576C.A15

Filesize
996B

MD5
c7ac0284e83bbef2b680c8a832eabeb4

SHA1
f963a138ba9b0744bbd7f54f8b0794c8bc4fb7dd

SHA256
b71cca7b7921351cb594fe37e9efdf4d54ac9f93c3d9bd183ce4c3b984d59500

SHA512
a964441c14e91d63061e5c14bc37cf999119463994b600dcb1a8bdfbc5f6212c8b5096af9e4e016d9a87696838650b8fc7805920110d5129d133d8760f1e2f68

Download Submit
C:\Users\Admin\AppData\Roaming\BA155\576C.A15

Filesize
600B

MD5
dceef497e02d5787766b4b357b6a0d69

SHA1
20a04685cbad15cfdc90535db47e08f1d567c0f6

SHA256
d00526e4a682733a8ede4ac67eaddd58047d4be1dfed931bc6bb2aaa435220b8

SHA512
bcb423db42198d3c7d7ace7f8282e6c1cbf7d7f708c82ce76a3ddd434b6e9de3d7b9ec25ed83a1fbf221dd6e92046a00895082c43565f5ad4ec32fcfb4a7f889

Download Submit
C:\Users\Admin\AppData\Roaming\BA155\576C.A15

Filesize
1KB

MD5
d0207c66b984d117423365f0b2558f79

SHA1
53e03f6a395036ec722003f73e7ee8b5ec9744ba

SHA256
9ac79cf8edf065337b3ea24d3e0f8142e9c554de5e5e6f7ee915b43777e98dcd

SHA512
354d500519eed4c8d6b3e7139c5de1ed780dbf092c8d307dc6dca1abdae86a8e0a4947f7ad38b7b8de0201571167f4e74bc7bba241b90253ae9bc4d8da59690a

Download Submit
memory/1564-110-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1564-109-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2228-16-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2228-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2228-15-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2228-2-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2228-273-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2704-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2704-11-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2704-12-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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