cycbot | 7067387ab1858bd5f412ca66ac3f6a6d1ff0b26639b276479dd2d255484db4a6

General

Target

JaffaCakes118_7ab5c7d03341e191b6e3bedad1cd9083.exe
Size

185KB
MD5

7ab5c7d03341e191b6e3bedad1cd9083
SHA1

e20ef03123d56e2b9f3a2e242a1433c024a495de
SHA256

7067387ab1858bd5f412ca66ac3f6a6d1ff0b26639b276479dd2d255484db4a6
SHA512

ad22b0d1c57693cb1c4ba2661d82de670c17df09b75a63add7f538aa513f967b355e79769f309850043891168a707d6a8c238884d2e9b1907f4916fa083e6621
SSDEEP

3072:ulDOnvgim3zDYBynZGyxdHXUm/mF67ODWgG97Oker6L0INKKa2oPpaNi/nx1op:qb3PznsYXUmuI7rhZ4Gq2gcNanIp

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/2700-13-0x0000000000400000-0x0000000000456000-memory.dmp	family_cycbot
behavioral1/memory/2144-14-0x0000000000400000-0x0000000000453000-memory.dmp	family_cycbot
behavioral1/memory/2144-15-0x0000000000400000-0x0000000000456000-memory.dmp	family_cycbot
behavioral1/memory/1944-88-0x0000000000400000-0x0000000000456000-memory.dmp	family_cycbot
behavioral1/memory/2144-199-0x0000000000400000-0x0000000000456000-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/2144-2-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2700-13-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2700-11-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2144-14-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2144-15-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/1944-87-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/1944-88-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2144-199-0x0000000000400000-0x0000000000456000-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_7ab5c7d03341e191b6e3bedad1cd9083.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_7ab5c7d03341e191b6e3bedad1cd9083.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_7ab5c7d03341e191b6e3bedad1cd9083.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2144 wrote to memory of 2700	2144	JaffaCakes118_7ab5c7d03341e191b6e3bedad1cd9083.exe	30
PID 2144 wrote to memory of 2700	2144	JaffaCakes118_7ab5c7d03341e191b6e3bedad1cd9083.exe	30
PID 2144 wrote to memory of 2700	2144	JaffaCakes118_7ab5c7d03341e191b6e3bedad1cd9083.exe	30
PID 2144 wrote to memory of 2700	2144	JaffaCakes118_7ab5c7d03341e191b6e3bedad1cd9083.exe	30
PID 2144 wrote to memory of 1944	2144	JaffaCakes118_7ab5c7d03341e191b6e3bedad1cd9083.exe	32
PID 2144 wrote to memory of 1944	2144	JaffaCakes118_7ab5c7d03341e191b6e3bedad1cd9083.exe	32
PID 2144 wrote to memory of 1944	2144	JaffaCakes118_7ab5c7d03341e191b6e3bedad1cd9083.exe	32
PID 2144 wrote to memory of 1944	2144	JaffaCakes118_7ab5c7d03341e191b6e3bedad1cd9083.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7ab5c7d03341e191b6e3bedad1cd9083.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7ab5c7d03341e191b6e3bedad1cd9083.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2144
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7ab5c7d03341e191b6e3bedad1cd9083.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7ab5c7d03341e191b6e3bedad1cd9083.exe startC:\Program Files (x86)\LP\1DB5\A42.exe%C:\Program Files (x86)\LP\1DB5
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2700
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7ab5c7d03341e191b6e3bedad1cd9083.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7ab5c7d03341e191b6e3bedad1cd9083.exe startC:\Users\Admin\AppData\Roaming\5DA65\1F41D.exe%C:\Users\Admin\AppData\Roaming\5DA65
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1944

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\5DA65\5C2C.DA6

Filesize
1KB

MD5
1e7bb0bf5e97afd9a46f5bbac34ac5d8

SHA1
a94d89545104154f81d8905935bed88404f045fc

SHA256
d4a31e8ddf3c6c35262da7ada5901064d03b13c786db5d7a3ec44f333cf2037d

SHA512
ce475247a6f57669da7125f293de63ae4ac8152c1c08b824c131a7c172c5581f7033718d9fcf24d091264a7a5bce6f7af29687c729ff8bcf101e8f85f537b182

Download Submit
C:\Users\Admin\AppData\Roaming\5DA65\5C2C.DA6

Filesize
600B

MD5
29fc80ec5cdce8aa9baff0d99de2c6ac

SHA1
c25f8c1d53f79b1ab6a1f1030cad91911600e2d4

SHA256
5f588be7e044e8f7eae88cd081802045378e91a8a1e6a5c56e4de546402fa44b

SHA512
44cc6dfd7acdb69e009069d8604161e5979ba058397114ced5044d138c9ca3a97a922aa2b7faab67bd351d5b30da3fb5368d9f6075f4386c4108e1b90de13327

Download Submit
C:\Users\Admin\AppData\Roaming\5DA65\5C2C.DA6

Filesize
996B

MD5
0b71c073a876b1b63997da68a2076952

SHA1
2058d4145d9aaf549787b31a244415a0a61fe927

SHA256
9b1f923b118b9de7153fee292ecdacb7d717386f6fac0ea2493f6b0c4ab0e3b5

SHA512
25c16751924e5d058af1d207717fa6885d12fb844b8b92f77e75278abf78e5a69f4b4f2f65af0ded459e0e7b4cafc6147cbce48cd8cf83567409e5bfe32981e1

Download Submit
memory/1944-88-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1944-86-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1944-87-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2144-14-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2144-15-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2144-2-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2144-1-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2144-199-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2700-11-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2700-13-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download

Analysis

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