cycbot | e0c9bc0b34e76c1918c67c6248edaa5b3f143a47d1947812a5b3d2c24e4ac658

General

Target

JaffaCakes118_640e5bdf2f5d175718d5a04265d33233.exe
Size

196KB
MD5

640e5bdf2f5d175718d5a04265d33233
SHA1

15b7d143b8c867824c75b6321ac3c30c18fff941
SHA256

e0c9bc0b34e76c1918c67c6248edaa5b3f143a47d1947812a5b3d2c24e4ac658
SHA512

17b3447597a7685089d3e2095016061e6fc936d0f1c3240a8a6bac925d046db46bbdf00e0e2f6a36a15fb6197218ec4c9bb9e33914aa8922bb6e0a5a9aaa4b02
SSDEEP

3072:dnbnGY+SVOb3uSwyLB1VUB4N6V8OWuzPuNKVo6DW6GAZOGZEVvWXmsz/TQl:dbGYTMbgyLB124AV8OWuzrtSCA+XmXl

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 6 IoCs

Cycbot is a backdoor and trojan written in C++.

resource	yara_rule
behavioral1/memory/2632-6-0x0000000000400000-0x000000000046A000-memory.dmp	family_cycbot
behavioral1/memory/2632-7-0x0000000000400000-0x000000000046A000-memory.dmp	family_cycbot
behavioral1/memory/2992-15-0x0000000000400000-0x000000000046A000-memory.dmp	family_cycbot
behavioral1/memory/2552-75-0x0000000000400000-0x000000000046A000-memory.dmp	family_cycbot
behavioral1/memory/2552-77-0x0000000000400000-0x000000000046A000-memory.dmp	family_cycbot
behavioral1/memory/2992-148-0x0000000000400000-0x000000000046A000-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/2992-2-0x0000000000400000-0x000000000046A000-memory.dmp	upx
behavioral1/memory/2632-6-0x0000000000400000-0x000000000046A000-memory.dmp	upx
behavioral1/memory/2632-7-0x0000000000400000-0x000000000046A000-memory.dmp	upx
behavioral1/memory/2992-15-0x0000000000400000-0x000000000046A000-memory.dmp	upx
behavioral1/memory/2552-75-0x0000000000400000-0x000000000046A000-memory.dmp	upx
behavioral1/memory/2552-77-0x0000000000400000-0x000000000046A000-memory.dmp	upx
behavioral1/memory/2992-148-0x0000000000400000-0x000000000046A000-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_640e5bdf2f5d175718d5a04265d33233.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_640e5bdf2f5d175718d5a04265d33233.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_640e5bdf2f5d175718d5a04265d33233.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2992 wrote to memory of 2632	2992	JaffaCakes118_640e5bdf2f5d175718d5a04265d33233.exe	30
PID 2992 wrote to memory of 2632	2992	JaffaCakes118_640e5bdf2f5d175718d5a04265d33233.exe	30
PID 2992 wrote to memory of 2632	2992	JaffaCakes118_640e5bdf2f5d175718d5a04265d33233.exe	30
PID 2992 wrote to memory of 2632	2992	JaffaCakes118_640e5bdf2f5d175718d5a04265d33233.exe	30
PID 2992 wrote to memory of 2552	2992	JaffaCakes118_640e5bdf2f5d175718d5a04265d33233.exe	33
PID 2992 wrote to memory of 2552	2992	JaffaCakes118_640e5bdf2f5d175718d5a04265d33233.exe	33
PID 2992 wrote to memory of 2552	2992	JaffaCakes118_640e5bdf2f5d175718d5a04265d33233.exe	33
PID 2992 wrote to memory of 2552	2992	JaffaCakes118_640e5bdf2f5d175718d5a04265d33233.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_640e5bdf2f5d175718d5a04265d33233.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_640e5bdf2f5d175718d5a04265d33233.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2992
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_640e5bdf2f5d175718d5a04265d33233.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_640e5bdf2f5d175718d5a04265d33233.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2632
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_640e5bdf2f5d175718d5a04265d33233.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_640e5bdf2f5d175718d5a04265d33233.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2552

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\0102.229

Filesize
600B

MD5
51bddd4591a0cf8523063093c9a5fbf3

SHA1
e5a112908c4ec52aaf9ff44ff7d17ad29cc3aea4

SHA256
b3ffed925e722b238ff99067e24f29c4d7ff65ab2e9d5ba8ec75d4097e8940c7

SHA512
4e64de733cb1608298a50dc0beb4066c725a9986f67c6b962e7852883c406f536b0970014b61f9f5bfefd3b60c87075ee5498745a8dfa96609d6fa8f5971b857

Download Submit
C:\Users\Admin\AppData\Roaming\0102.229

Filesize
1KB

MD5
bd4cd2fca1a3c58ab3b52470c80d8711

SHA1
a92740309e0f74eff2bf1f110d73c34b8056d1b2

SHA256
139669e3cd54aacb6af64e5be8d55de12b08e343de0357d2f35b14ed1f8c40bf

SHA512
879bcbb3a346ed95355c28283ff2baf7bf09a1da8e5fcf684a3f340d2ce2655bab85ae7d96e1a60b2eeb0701db32b4a9aba160625b9182e8d760b2e983a877e0

Download Submit
memory/2552-75-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2552-77-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2632-6-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2632-7-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2632-5-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2992-1-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2992-2-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2992-15-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2992-148-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download

Analysis

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