cycbot | 010bfecde50332828913b448f3e443eb769f6244c9059cac8b3470eabd5cd6eb

General

Target

010bfecde50332828913b448f3e443eb769f6244c9059cac8b3470eabd5cd6ebN.exe
Size

158KB
MD5

a0c115ff36388864e8acae7447dce340
SHA1

3da62783c46cb79f7e3867b068a092bf1543cf1f
SHA256

010bfecde50332828913b448f3e443eb769f6244c9059cac8b3470eabd5cd6eb
SHA512

fc6340368d014f66c079fc9af524fe2ce0cfd92f0fe61525242b8f0f333586c8c7627ee78f40f86e19f8b3c6f6249f7e9ff8955e11bfbcadf66824e024ef7e2d
SSDEEP

3072:0Ttz/7HY/M9V4CUYgCLSCxRwVoVGMrmB9N39//lOpcheMS+DsdLoP6WL:0Ttj74SVZxMAYL3ZESh/DSnq

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/2396-8-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/2580-16-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/308-84-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/2580-185-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/2580-190-0x0000000000400000-0x0000000000468000-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/2580-2-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2396-5-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2396-6-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2396-8-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2580-16-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/308-82-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/308-84-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2580-185-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2580-190-0x0000000000400000-0x0000000000468000-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	010bfecde50332828913b448f3e443eb769f6244c9059cac8b3470eabd5cd6ebN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	010bfecde50332828913b448f3e443eb769f6244c9059cac8b3470eabd5cd6ebN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	010bfecde50332828913b448f3e443eb769f6244c9059cac8b3470eabd5cd6ebN.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2580 wrote to memory of 2396	2580	010bfecde50332828913b448f3e443eb769f6244c9059cac8b3470eabd5cd6ebN.exe	29
PID 2580 wrote to memory of 2396	2580	010bfecde50332828913b448f3e443eb769f6244c9059cac8b3470eabd5cd6ebN.exe	29
PID 2580 wrote to memory of 2396	2580	010bfecde50332828913b448f3e443eb769f6244c9059cac8b3470eabd5cd6ebN.exe	29
PID 2580 wrote to memory of 2396	2580	010bfecde50332828913b448f3e443eb769f6244c9059cac8b3470eabd5cd6ebN.exe	29
PID 2580 wrote to memory of 308	2580	010bfecde50332828913b448f3e443eb769f6244c9059cac8b3470eabd5cd6ebN.exe	31
PID 2580 wrote to memory of 308	2580	010bfecde50332828913b448f3e443eb769f6244c9059cac8b3470eabd5cd6ebN.exe	31
PID 2580 wrote to memory of 308	2580	010bfecde50332828913b448f3e443eb769f6244c9059cac8b3470eabd5cd6ebN.exe	31
PID 2580 wrote to memory of 308	2580	010bfecde50332828913b448f3e443eb769f6244c9059cac8b3470eabd5cd6ebN.exe	31

C:\Users\Admin\AppData\Local\Temp\010bfecde50332828913b448f3e443eb769f6244c9059cac8b3470eabd5cd6ebN.exe
"C:\Users\Admin\AppData\Local\Temp\010bfecde50332828913b448f3e443eb769f6244c9059cac8b3470eabd5cd6ebN.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2580
- C:\Users\Admin\AppData\Local\Temp\010bfecde50332828913b448f3e443eb769f6244c9059cac8b3470eabd5cd6ebN.exe
  C:\Users\Admin\AppData\Local\Temp\010bfecde50332828913b448f3e443eb769f6244c9059cac8b3470eabd5cd6ebN.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2396
- C:\Users\Admin\AppData\Local\Temp\010bfecde50332828913b448f3e443eb769f6244c9059cac8b3470eabd5cd6ebN.exe
  C:\Users\Admin\AppData\Local\Temp\010bfecde50332828913b448f3e443eb769f6244c9059cac8b3470eabd5cd6ebN.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:308

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\B27C.C53

Filesize
1KB

MD5
4cfd4c859b5696e8496bd110c4d762c6

SHA1
6a22be96f503f507c2845cf90d6066ce9118d4a1

SHA256
ee482b95fffabb71da64f502e377bf1c6447274d1f0152656bde29f8f2a5ab73

SHA512
bc4d6d38dc28ae08e09d7673c2db5f3540af28793a04fc45f99b21a8794e56035a501739a2cf117e2c4b4f4ba18071ce9fc4530d40c9f8ed92895ecf34ccb2ce

Download Submit
C:\Users\Admin\AppData\Roaming\B27C.C53

Filesize
600B

MD5
f22e3e94d7b9cb4b95e524116d7ead16

SHA1
ca1f85749d9c21b009f543ca085c6ec5e8a2f64d

SHA256
664ad77b87837a17e5f2294337b9df080ee588a9e7c1afbf8188df38ee3c5308

SHA512
4be8fae3944581f297fc5e45c6d29b627012ce0179bc9b2bbac5f7cd45a9b5d282c9b9e1c3c8ef718df20de5918b08f14fd86472f3c53204ccc3a1af55dc69e7

Download Submit
C:\Users\Admin\AppData\Roaming\B27C.C53

Filesize
996B

MD5
0236201d54002cbaffa66b7d1bfd86d2

SHA1
d560b42150aac65e374d586368fdf3180d3000aa

SHA256
ad6b1030eb867f3346e408cb5dafcb0978395b5183f674acb12792e50f7022a9

SHA512
2b9ec2e7264af47efb5df0a5bca815a19ac7ee1e1a718cc5ea109e6fb8c1abcc984faadfa31af32df3b9694b42dd24acbeb663d37220a1557bb7efb595a38865

Download Submit
memory/308-84-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/308-82-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/308-81-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2396-8-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2396-6-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2396-5-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2580-16-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2580-1-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2580-2-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2580-185-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2580-190-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download

Analysis

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