cycbot | 0f984dcd699fb023454deaaabbce89d5689f74859d8d286b9985ddadfa00e4b4

General

Target

JaffaCakes118_2c8e261534fbca9880c8ca818bfc33eb.exe
Size

196KB
MD5

2c8e261534fbca9880c8ca818bfc33eb
SHA1

a2ecb0da7055f431e17b60bbeebbd7fc4c9e0252
SHA256

0f984dcd699fb023454deaaabbce89d5689f74859d8d286b9985ddadfa00e4b4
SHA512

14f216d72878598eb0eec2d4d41f2422f0bfe88d31848cd0947c6cf3328cbc18c1efdc712007ff91d06e105083a914271266076e9d9e2040d9f422844cc252a7
SSDEEP

6144:A0cUbji9nUaw1W4K1mFdoZmx4OV0LcbkFMCaeCE/g:i+d1W5cFdoZ4gIk5r/

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/2760-7-0x0000000000400000-0x000000000046A000-memory.dmp	family_cycbot
behavioral1/memory/2808-15-0x0000000000400000-0x000000000046A000-memory.dmp	family_cycbot
behavioral1/memory/2064-82-0x0000000000400000-0x000000000046A000-memory.dmp	family_cycbot
behavioral1/memory/2064-81-0x0000000000400000-0x000000000046A000-memory.dmp	family_cycbot
behavioral1/memory/2808-194-0x0000000000400000-0x000000000046A000-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/2808-2-0x0000000000400000-0x000000000046A000-memory.dmp	upx
behavioral1/memory/2760-5-0x0000000000400000-0x000000000046A000-memory.dmp	upx
behavioral1/memory/2760-7-0x0000000000400000-0x000000000046A000-memory.dmp	upx
behavioral1/memory/2808-15-0x0000000000400000-0x000000000046A000-memory.dmp	upx
behavioral1/memory/2064-82-0x0000000000400000-0x000000000046A000-memory.dmp	upx
behavioral1/memory/2064-81-0x0000000000400000-0x000000000046A000-memory.dmp	upx
behavioral1/memory/2808-194-0x0000000000400000-0x000000000046A000-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_2c8e261534fbca9880c8ca818bfc33eb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_2c8e261534fbca9880c8ca818bfc33eb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_2c8e261534fbca9880c8ca818bfc33eb.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 2760	2808	JaffaCakes118_2c8e261534fbca9880c8ca818bfc33eb.exe	30
PID 2808 wrote to memory of 2760	2808	JaffaCakes118_2c8e261534fbca9880c8ca818bfc33eb.exe	30
PID 2808 wrote to memory of 2760	2808	JaffaCakes118_2c8e261534fbca9880c8ca818bfc33eb.exe	30
PID 2808 wrote to memory of 2760	2808	JaffaCakes118_2c8e261534fbca9880c8ca818bfc33eb.exe	30
PID 2808 wrote to memory of 2064	2808	JaffaCakes118_2c8e261534fbca9880c8ca818bfc33eb.exe	32
PID 2808 wrote to memory of 2064	2808	JaffaCakes118_2c8e261534fbca9880c8ca818bfc33eb.exe	32
PID 2808 wrote to memory of 2064	2808	JaffaCakes118_2c8e261534fbca9880c8ca818bfc33eb.exe	32
PID 2808 wrote to memory of 2064	2808	JaffaCakes118_2c8e261534fbca9880c8ca818bfc33eb.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2c8e261534fbca9880c8ca818bfc33eb.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2c8e261534fbca9880c8ca818bfc33eb.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2808
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2c8e261534fbca9880c8ca818bfc33eb.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2c8e261534fbca9880c8ca818bfc33eb.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2760
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2c8e261534fbca9880c8ca818bfc33eb.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2c8e261534fbca9880c8ca818bfc33eb.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2064

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\E2F7.A86

Filesize
600B

MD5
43d912c36bc6445c140f16abd19d7ce3

SHA1
d918f2a7f52dc6a79bf9fe942901540ff5e97ba7

SHA256
eec929df65c7eba605f6609898da84d1cbd9d8f70067f5a354c5764063784fcd

SHA512
7ec1a84f83f149cd1dc6486b0572d1d7d261bbfd1729e71dbb2c87566d3ae602ef8b729bee9d4cebd1e654afa637bbeb219db5426484db1a67d3a93b05a32ca2

Download Submit
C:\Users\Admin\AppData\Roaming\E2F7.A86

Filesize
1KB

MD5
db373758dad09f6e563852640fbe6208

SHA1
76ba1162fbbc3355f49f419706c5f7efa9998ed4

SHA256
0ad4e45deb153679fb482c2fffb1465daf4da478b0c25665f678dea6c2384200

SHA512
107c87fb939962c21cb772293ae76a285c715bd33cd0d00812d588e0873478b53f66d2bd5d2cdebb3d288d242f758530980849a80f22002e8c75f83bc0798983

Download Submit
C:\Users\Admin\AppData\Roaming\E2F7.A86

Filesize
996B

MD5
2d59a709c4161c3c6d32b7fa8a4c55a8

SHA1
900e5135a3a9f6c2f45eefbfe3afa35e0d312ffb

SHA256
e3d8dcba9793ff05075644e3899d2380aef1213d4007ac785593630358c3220a

SHA512
ab5e3b0f00975c91e980cc88e1c857a4d5ecd14b04fd9ddf5aa99c39f69e04eda7074d9f4b823419433aa38d4009581bdf4df4ba736b56945380161ffb6329bf

Download Submit
memory/2064-82-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2064-81-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2760-5-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2760-7-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2808-1-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2808-2-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2808-15-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2808-194-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download

Analysis

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