cycbot | dc1552f07b340b6429f306909bfe7d8676ed6e96e6963d0ad51b0002b8e2bfcd

General

Target

dc1552f07b340b6429f306909bfe7d8676ed6e96e6963d0ad51b0002b8e2bfcd.exe
Size

183KB
MD5

ffba4d3836584b69e0e2e678a6810896
SHA1

e9f63a17c22460537d35d81bf5fb6c258b578d53
SHA256

dc1552f07b340b6429f306909bfe7d8676ed6e96e6963d0ad51b0002b8e2bfcd
SHA512

f1502bea8f80209f2db22ec02ecb89de554b7d72e5a8afbd36df4f6369d040feb90f842abc39ca35712cdde0995cdac8bad175e40b4ed26f5d899f2eefc9c4c9
SSDEEP

3072:YengzC/YgWeTc+rCgiI0Qk9LFcuIiWq33YrK05saI9PB7TOcgZ7rQSJIhtm4:YenoC/YgtTcKCzIbgJlaqYJCtxbFbN

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 7 IoCs

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

resource	yara_rule
behavioral1/memory/2932-12-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/2932-14-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/2384-15-0x0000000000400000-0x0000000000451000-memory.dmp	family_cycbot
behavioral1/memory/2384-16-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/2592-74-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/2592-75-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/2384-178-0x0000000000400000-0x0000000000454000-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/2384-2-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2932-12-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2932-14-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2384-15-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2384-16-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2592-74-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2592-75-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2384-178-0x0000000000400000-0x0000000000454000-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	dc1552f07b340b6429f306909bfe7d8676ed6e96e6963d0ad51b0002b8e2bfcd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dc1552f07b340b6429f306909bfe7d8676ed6e96e6963d0ad51b0002b8e2bfcd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dc1552f07b340b6429f306909bfe7d8676ed6e96e6963d0ad51b0002b8e2bfcd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 2932	2384	dc1552f07b340b6429f306909bfe7d8676ed6e96e6963d0ad51b0002b8e2bfcd.exe	29
PID 2384 wrote to memory of 2932	2384	dc1552f07b340b6429f306909bfe7d8676ed6e96e6963d0ad51b0002b8e2bfcd.exe	29
PID 2384 wrote to memory of 2932	2384	dc1552f07b340b6429f306909bfe7d8676ed6e96e6963d0ad51b0002b8e2bfcd.exe	29
PID 2384 wrote to memory of 2932	2384	dc1552f07b340b6429f306909bfe7d8676ed6e96e6963d0ad51b0002b8e2bfcd.exe	29
PID 2384 wrote to memory of 2592	2384	dc1552f07b340b6429f306909bfe7d8676ed6e96e6963d0ad51b0002b8e2bfcd.exe	31
PID 2384 wrote to memory of 2592	2384	dc1552f07b340b6429f306909bfe7d8676ed6e96e6963d0ad51b0002b8e2bfcd.exe	31
PID 2384 wrote to memory of 2592	2384	dc1552f07b340b6429f306909bfe7d8676ed6e96e6963d0ad51b0002b8e2bfcd.exe	31
PID 2384 wrote to memory of 2592	2384	dc1552f07b340b6429f306909bfe7d8676ed6e96e6963d0ad51b0002b8e2bfcd.exe	31

C:\Users\Admin\AppData\Local\Temp\dc1552f07b340b6429f306909bfe7d8676ed6e96e6963d0ad51b0002b8e2bfcd.exe
"C:\Users\Admin\AppData\Local\Temp\dc1552f07b340b6429f306909bfe7d8676ed6e96e6963d0ad51b0002b8e2bfcd.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Users\Admin\AppData\Local\Temp\dc1552f07b340b6429f306909bfe7d8676ed6e96e6963d0ad51b0002b8e2bfcd.exe
  C:\Users\Admin\AppData\Local\Temp\dc1552f07b340b6429f306909bfe7d8676ed6e96e6963d0ad51b0002b8e2bfcd.exe startC:\Program Files (x86)\LP\B9C3\D95.exe%C:\Program Files (x86)\LP\B9C3
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2932
- C:\Users\Admin\AppData\Local\Temp\dc1552f07b340b6429f306909bfe7d8676ed6e96e6963d0ad51b0002b8e2bfcd.exe
  C:\Users\Admin\AppData\Local\Temp\dc1552f07b340b6429f306909bfe7d8676ed6e96e6963d0ad51b0002b8e2bfcd.exe startC:\Users\Admin\AppData\Roaming\3A62D\4A0B9.exe%C:\Users\Admin\AppData\Roaming\3A62D
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2592

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\3A62D\D9B6.A62

Filesize
1KB

MD5
a7cab3f66dc5510038de459636decc82

SHA1
c99466bfd8b7714116de6f2610d53b4c1f211c86

SHA256
f127a57f5741c62629613e8408748233c71ec2ee107c99835d9f3f8cfed89d14

SHA512
78f05e1620a0f068e1fd55686f97d4f5f730dcd3c9af0521ef9ef6c4568904782d10babb703a2904ddc3a5aed98a8afdc57517266479d90abe43255c6b971b07

Download Submit
C:\Users\Admin\AppData\Roaming\3A62D\D9B6.A62

Filesize
1KB

MD5
cb5a5407f27c5a09983b88082136e6fd

SHA1
574adc6e9c7c58d9f03a8128ec8fc1215255c18e

SHA256
09d941647bcba03a25a9cd583e878661873841ee882105bd6051f741ca429a3f

SHA512
f82c1e3c1b37dec2d72549c29c26fde99ac37178b6beb7a0412ca89d98ac4182baefce046e12c95e79322ce27d98a16f443b32a98ccfe24ad58d2361341baf40

Download Submit
C:\Users\Admin\AppData\Roaming\3A62D\D9B6.A62

Filesize
600B

MD5
34d77f4ac4c8cddf72370b496ab353a8

SHA1
d550bff226004aadbd539a2dc4c0e7abc9315892

SHA256
4e16e6ecd4c76c6f38e348afdabe123eadf44b37daf85ea7e65c09e7a3bb61e0

SHA512
83db26178cc4a7acf99f9cb2c5f552c08d2a092d7a4516c5523a6e3a575ace6f1b76df4e06bdabac96380b3454cecba8750317757fe3a74233c2302de0a97de4

Download Submit
C:\Users\Admin\AppData\Roaming\3A62D\D9B6.A62

Filesize
996B

MD5
dbdf1288132b3b5a99bf47b05bd4f001

SHA1
dc90cc1a770604307b99933f0e97392f2d7fb40c

SHA256
3febec05fc34bfec6e831a87e16c3cec9a06f6215fb6c40925a2b0f54662cc03

SHA512
59f343d3bcb5b3d2559a236aa2d758cee809c11e19214424f8cf261111df6155c8baf18d95a8fc18c371e2549f2ba8f998a08e84cb4941e715e9948cea047f37

Download Submit
memory/2384-1-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2384-2-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2384-178-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2384-15-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2384-16-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2592-73-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2592-75-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2592-74-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2932-14-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2932-11-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2932-12-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download

Analysis

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