cycbot | 23d0b01c42818f3fa9cfc90db71b0a921a16c11f330d95e698408ffba1cc8735

General

Target

JaffaCakes118_67bf1721e967d81b2db6b59b4df8aba2.exe
Size

170KB
MD5

67bf1721e967d81b2db6b59b4df8aba2
SHA1

1e614e511e43fc8abddb8f3fa709f93374d96300
SHA256

23d0b01c42818f3fa9cfc90db71b0a921a16c11f330d95e698408ffba1cc8735
SHA512

102d0969416cb720d301d942c38a19ace0bb73297be12fb9f6213ace664a78e59ca081deaf017339dd62ea4ac238b1b322c5f37afdf9091dc9b04bfcf0e2472b
SSDEEP

3072:6iGifTBzP8Yxv9OuabnFezAu5INkmzasdh3p6CLYb5eelB+vs4:vNV7tq5ezp2zF33pW5eelB+

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/2328-13-0x0000000000400000-0x000000000046B000-memory.dmp	family_cycbot
behavioral1/memory/2328-15-0x0000000000400000-0x000000000046B000-memory.dmp	family_cycbot
behavioral1/memory/1160-16-0x0000000000400000-0x000000000046B000-memory.dmp	family_cycbot
behavioral1/memory/1108-93-0x0000000000400000-0x000000000046B000-memory.dmp	family_cycbot
behavioral1/memory/1160-164-0x0000000000400000-0x000000000046B000-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/1160-2-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/2328-13-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/2328-15-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/1160-16-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/1108-91-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/1108-93-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/1160-164-0x0000000000400000-0x000000000046B000-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_67bf1721e967d81b2db6b59b4df8aba2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_67bf1721e967d81b2db6b59b4df8aba2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_67bf1721e967d81b2db6b59b4df8aba2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1160 wrote to memory of 2328	1160	JaffaCakes118_67bf1721e967d81b2db6b59b4df8aba2.exe	31
PID 1160 wrote to memory of 2328	1160	JaffaCakes118_67bf1721e967d81b2db6b59b4df8aba2.exe	31
PID 1160 wrote to memory of 2328	1160	JaffaCakes118_67bf1721e967d81b2db6b59b4df8aba2.exe	31
PID 1160 wrote to memory of 2328	1160	JaffaCakes118_67bf1721e967d81b2db6b59b4df8aba2.exe	31
PID 1160 wrote to memory of 1108	1160	JaffaCakes118_67bf1721e967d81b2db6b59b4df8aba2.exe	33
PID 1160 wrote to memory of 1108	1160	JaffaCakes118_67bf1721e967d81b2db6b59b4df8aba2.exe	33
PID 1160 wrote to memory of 1108	1160	JaffaCakes118_67bf1721e967d81b2db6b59b4df8aba2.exe	33
PID 1160 wrote to memory of 1108	1160	JaffaCakes118_67bf1721e967d81b2db6b59b4df8aba2.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_67bf1721e967d81b2db6b59b4df8aba2.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_67bf1721e967d81b2db6b59b4df8aba2.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1160
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_67bf1721e967d81b2db6b59b4df8aba2.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_67bf1721e967d81b2db6b59b4df8aba2.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2328
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_67bf1721e967d81b2db6b59b4df8aba2.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_67bf1721e967d81b2db6b59b4df8aba2.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1108

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\781E.3CB

Filesize
1KB

MD5
17e4a950e121cb475d2e6528e629be93

SHA1
866f13204b4560e02b77e959ceb059397fb9e35e

SHA256
3e4a978a990610adb6b8ea56257eb401758caa126c1be5445797206abd31391d

SHA512
9db9bb0148ffaab9545c8a008198ae79a5cf5ffc2509c3bd96d4c6b0ac96f0a6ca606515b0ee38f6e871766b846e4be091922c4b249ef29f8d5e8da2ae1734f4

Download Submit
C:\Users\Admin\AppData\Roaming\781E.3CB

Filesize
600B

MD5
72ce9225d036d094fbbdedb39cb1be1c

SHA1
4db23a7f08587329a04f7120620847b908a1b4b6

SHA256
c360dd744f7f341a14a175a5073d71c0733e5980abf4090ac5da23f09693813b

SHA512
7482cefb2021a10dd7292b55a7a04ecaad187931d0951a5447ce7ccb9cfb6789b4342ffffcde203437b6568178ceb2240258b67378e056f99bd99f6865a39ae5

Download Submit
C:\Users\Admin\AppData\Roaming\781E.3CB

Filesize
996B

MD5
402d4a14ed8e5453d554c6322afdbbbc

SHA1
42edc48bf98289f7e1082ba98c1c169b4a499c20

SHA256
69a91cf3cf836e3fc4a4f03ec89499df9dac8e3636a318ba3d3dadcf72ffe2b1

SHA512
1eec04126f7a00dd6aaece94c12f07e0eee77c3e101f753cd63a53001591f8e8b9fcc17e22934971959db456ffa82875f6b0b3a3e8954fc9d9d2a85ca7509338

Download Submit
memory/1108-91-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/1108-93-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/1160-1-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/1160-2-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/1160-16-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/1160-164-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2328-12-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2328-13-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2328-15-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download

Analysis

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