cycbot | 5277841615325fd8093218175146b54f9baea02b92c1951cfff8e3f156f7f871

General

Target

5277841615325fd8093218175146b54f9baea02b92c1951cfff8e3f156f7f871.exe
Size

183KB
MD5

d35e0b4f895b3dbd84aebc6f3dda1613
SHA1

d30c0c8b5f1a5f893f6f912ed53ed89149370913
SHA256

5277841615325fd8093218175146b54f9baea02b92c1951cfff8e3f156f7f871
SHA512

7b5bd4bf25d568e992cd67b89d23b0ae16f99a9559e0d036af5c7f1a8f6c9ccdbb7656f2dfc7580bb9830d8f6ed41a26e2b3644df76b6f15b1ecda11e73ffe79
SSDEEP

3072:fYHpYZ/JsSGzKm76/2iBm86QWmfK6uNEIXV5AnLATyCILNM+f6I/weymDVtlSyj:fYHpMBs7Pe+iMsK6uDV5nkBBiI/weymR

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/2676-9-0x0000000000400000-0x000000000044F000-memory.dmp	family_cycbot
behavioral1/memory/2244-15-0x0000000000400000-0x000000000044F000-memory.dmp	family_cycbot
behavioral1/memory/2904-75-0x0000000000400000-0x000000000044F000-memory.dmp	family_cycbot
behavioral1/memory/2244-145-0x0000000000400000-0x000000000044F000-memory.dmp	family_cycbot
behavioral1/memory/2244-175-0x0000000000400000-0x000000000044F000-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 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2244-2-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/2676-9-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/2244-15-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/2904-74-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/2904-75-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/2244-145-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/2244-175-0x0000000000400000-0x000000000044F000-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	5277841615325fd8093218175146b54f9baea02b92c1951cfff8e3f156f7f871.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5277841615325fd8093218175146b54f9baea02b92c1951cfff8e3f156f7f871.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5277841615325fd8093218175146b54f9baea02b92c1951cfff8e3f156f7f871.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 2676	2244	5277841615325fd8093218175146b54f9baea02b92c1951cfff8e3f156f7f871.exe	30
PID 2244 wrote to memory of 2676	2244	5277841615325fd8093218175146b54f9baea02b92c1951cfff8e3f156f7f871.exe	30
PID 2244 wrote to memory of 2676	2244	5277841615325fd8093218175146b54f9baea02b92c1951cfff8e3f156f7f871.exe	30
PID 2244 wrote to memory of 2676	2244	5277841615325fd8093218175146b54f9baea02b92c1951cfff8e3f156f7f871.exe	30
PID 2244 wrote to memory of 2904	2244	5277841615325fd8093218175146b54f9baea02b92c1951cfff8e3f156f7f871.exe	32
PID 2244 wrote to memory of 2904	2244	5277841615325fd8093218175146b54f9baea02b92c1951cfff8e3f156f7f871.exe	32
PID 2244 wrote to memory of 2904	2244	5277841615325fd8093218175146b54f9baea02b92c1951cfff8e3f156f7f871.exe	32
PID 2244 wrote to memory of 2904	2244	5277841615325fd8093218175146b54f9baea02b92c1951cfff8e3f156f7f871.exe	32

C:\Users\Admin\AppData\Local\Temp\5277841615325fd8093218175146b54f9baea02b92c1951cfff8e3f156f7f871.exe
"C:\Users\Admin\AppData\Local\Temp\5277841615325fd8093218175146b54f9baea02b92c1951cfff8e3f156f7f871.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Users\Admin\AppData\Local\Temp\5277841615325fd8093218175146b54f9baea02b92c1951cfff8e3f156f7f871.exe
  C:\Users\Admin\AppData\Local\Temp\5277841615325fd8093218175146b54f9baea02b92c1951cfff8e3f156f7f871.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2676
- C:\Users\Admin\AppData\Local\Temp\5277841615325fd8093218175146b54f9baea02b92c1951cfff8e3f156f7f871.exe
  C:\Users\Admin\AppData\Local\Temp\5277841615325fd8093218175146b54f9baea02b92c1951cfff8e3f156f7f871.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2904

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\40D0.AC2

Filesize
1KB

MD5
6f83b8c5cd0f9218a64bdec5a584fc3d

SHA1
30cbf344ad226ec233e587bca645477def1770eb

SHA256
d6ac3aa6ff4fdda9adf4b080c6cfea9977f896afb7f37f43dab87aa0d7b57a01

SHA512
7ce20adc386e719e9427be556d667d2a6108f0494a201606408a7dbbbf54c48093744e83271840483c3973a05a0ebcbcff08238175dd426e4c78c3d310b09c5b

Download Submit
C:\Users\Admin\AppData\Roaming\40D0.AC2

Filesize
600B

MD5
281b3b831ef59e788035a390492f6c10

SHA1
c279238857c10789ea6c4a2e116041cfd64e1760

SHA256
be7ab2e5820055dfe5c13078a08239d46b69622ebe4af844323d5db0e948e944

SHA512
d40630c9ecc6584cfc651e2fe0c084d6eb5b391d63266c0f038034ea5ae0d1ea80444b85442275adcafeb693ef2ba06403fb40258f5c50fab37adffe68ca1532

Download Submit
C:\Users\Admin\AppData\Roaming\40D0.AC2

Filesize
996B

MD5
df727391f73b1bf96dd675e06d7e245f

SHA1
1336ef9f982db08f04a7ff032c14915c0d32c14f

SHA256
7cdcd37a780b70903983f04192c44d3b1d173a7d55c6b06975c5ecb2b951a863

SHA512
a12d71db42c6c05745dc4a92e147a2756ebd80a693bf47a79f98f23372683840379498d7dfe01ce9235f1b7c2749231a297a57608b4f14a95d4a1a70b054e85e

Download Submit
memory/2244-15-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2244-1-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2244-2-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2244-145-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2244-175-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2676-9-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2676-7-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download
memory/2676-10-0x0000000000275000-0x000000000028F000-memory.dmp

Filesize
104KB

Download
memory/2904-74-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2904-75-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download

Analysis

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