cycbot | 4fbbee23970040460e28cd804df5bac7cf9f88bb1becf9b4c1790fa45974777e

General

Target

JaffaCakes118_80763613f2ef1ea0aa0c6066a28998af.exe
Size

163KB
MD5

80763613f2ef1ea0aa0c6066a28998af
SHA1

344d64593d47393bf5f009460181e8d3cef64c01
SHA256

4fbbee23970040460e28cd804df5bac7cf9f88bb1becf9b4c1790fa45974777e
SHA512

6a782e1626bb4cb89b23438a1d7fe2396b24055fec84988272311d7b31399be6e4a8a356f2fc2644f01b8651afec9b718a71fc3fa25836e6c42bc65e5db9440c
SSDEEP

3072:2FxGLemEfiXg+L+l0dxYFjt6aa4xvwQvM9geFvwnSPAvEpUQov:2FUpoipL+l0j+jAthQvM99FvwnoAvEyQ

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/2720-9-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/3048-20-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/772-91-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/772-93-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/3048-199-0x0000000000400000-0x0000000000469000-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/3048-2-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/2720-9-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/2720-8-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/3048-20-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/772-91-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/772-93-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/3048-199-0x0000000000400000-0x0000000000469000-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_80763613f2ef1ea0aa0c6066a28998af.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_80763613f2ef1ea0aa0c6066a28998af.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_80763613f2ef1ea0aa0c6066a28998af.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3048 wrote to memory of 2720	3048	JaffaCakes118_80763613f2ef1ea0aa0c6066a28998af.exe	30
PID 3048 wrote to memory of 2720	3048	JaffaCakes118_80763613f2ef1ea0aa0c6066a28998af.exe	30
PID 3048 wrote to memory of 2720	3048	JaffaCakes118_80763613f2ef1ea0aa0c6066a28998af.exe	30
PID 3048 wrote to memory of 2720	3048	JaffaCakes118_80763613f2ef1ea0aa0c6066a28998af.exe	30
PID 3048 wrote to memory of 772	3048	JaffaCakes118_80763613f2ef1ea0aa0c6066a28998af.exe	32
PID 3048 wrote to memory of 772	3048	JaffaCakes118_80763613f2ef1ea0aa0c6066a28998af.exe	32
PID 3048 wrote to memory of 772	3048	JaffaCakes118_80763613f2ef1ea0aa0c6066a28998af.exe	32
PID 3048 wrote to memory of 772	3048	JaffaCakes118_80763613f2ef1ea0aa0c6066a28998af.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_80763613f2ef1ea0aa0c6066a28998af.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_80763613f2ef1ea0aa0c6066a28998af.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3048
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_80763613f2ef1ea0aa0c6066a28998af.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_80763613f2ef1ea0aa0c6066a28998af.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2720
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_80763613f2ef1ea0aa0c6066a28998af.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_80763613f2ef1ea0aa0c6066a28998af.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:772

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\C2EE.E78

Filesize
597B

MD5
8803c9f349f56a3fed8ab31d60f285e0

SHA1
c5621cfc9434069fc4290c5509499ceb9ba1d564

SHA256
1869df3a59b724b13ec8be336d4749ad79f1a8f3abdc09128a883373d337e69d

SHA512
e41260f0fa1271e7ec7854d7ebe7a32e2ea352fb31ef25a7c6adfd878fb3c8cd2addb9941de0ba7864bc944d6bcbe03f09c75ec327d230546543e9b6a1814ff8

Download Submit
C:\Users\Admin\AppData\Roaming\C2EE.E78

Filesize
1KB

MD5
9ec588d572311f90b6adbb52b48fdccd

SHA1
89dc7a4b534cc386d1df2b67c0cd6ff973e1cbbb

SHA256
a70902cc13c0af3e8c00a2a6a41e6521819547e769704effdbd8b8dc194f5f15

SHA512
103fa5825de8a3bc13ed125ae71c4d23296d411babd9c03f8e77085d12ee90fd29234b27efb5b23978a7df0f00da4cf36ca18ca9edd22bf110097bf0c95bf2b4

Download Submit
C:\Users\Admin\AppData\Roaming\C2EE.E78

Filesize
897B

MD5
9d7fff28cfe86920712df4c1445881df

SHA1
27d7677924f3a99b155ce23d87b173d81297fc7e

SHA256
6eabede32c5cf971179c7ecf4397d4a5f6a92e5a26b47ea41ef6bc58df5faa4d

SHA512
898bd179ab394d0073eb23e6286a0fbf309695bb90397639d1da1badfb851e984c9027c43d664ac83ffbf014f9d02e1a0bd7985086164ac627e46cd10b3febd3

Download Submit
C:\Users\Admin\AppData\Roaming\C2EE.E78

Filesize
1KB

MD5
9bbb4a7764b4169425b6d7043c5946ea

SHA1
431192a3d0ed936d7acdf4a260129045f753d43d

SHA256
99ef044ead710cb09e0917c033892acdb49cffc7287b0ef0b2ca9286f23fdb32

SHA512
d3a40794fe852af2e8d4552c87ec21850cadb9c45c59010ce097809b2051cef7d2ad89f92c145206b2c65c3c46489331c3cd742b9eee79aae556f1574ab27645

Download Submit
memory/772-91-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/772-93-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2720-9-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2720-8-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3048-1-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3048-2-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3048-20-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3048-199-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download

Analysis

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