cycbot | 4e0e37d4e4f3ee09c2235828c0000b552ee44db68b602a22c33d2a449c1eed10

General

Target

d1f565bfffe554c71d504095eedb97e1_JaffaCakes118.exe
Size

171KB
MD5

d1f565bfffe554c71d504095eedb97e1
SHA1

f8039b9ea6dfedcb70bee66d2d92600ad33959a0
SHA256

4e0e37d4e4f3ee09c2235828c0000b552ee44db68b602a22c33d2a449c1eed10
SHA512

2c51714decfa6721e85a3ff5f43d102275f1f8471b98701dd2da2dd4e9189af925f6a1bcbd82f465d459cc5e27e78c5291eccc1472983bd3e6f25339c0cac552
SSDEEP

3072:i1SLBSMwluZnm/rXg/4vcwwwSZBzXLXHvFCUo6rkte37+Nu5jAJuT:6SLInZrX1cnwSv7XPUUoZAL+N6jA0

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 4 IoCs

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

resource	yara_rule
behavioral1/memory/2836-16-0x0000000000400000-0x000000000046B000-memory.dmp	family_cycbot
behavioral1/memory/2756-17-0x0000000000400000-0x000000000046B000-memory.dmp	family_cycbot
behavioral1/memory/2600-23-0x0000000000400000-0x000000000046B000-memory.dmp	family_cycbot
behavioral1/memory/2756-90-0x0000000000400000-0x000000000046B000-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/2756-2-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/2836-14-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/2836-16-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/2756-17-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/2600-21-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/2600-23-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/2756-90-0x0000000000400000-0x000000000046B000-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	d1f565bfffe554c71d504095eedb97e1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d1f565bfffe554c71d504095eedb97e1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d1f565bfffe554c71d504095eedb97e1_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 2836	2756	d1f565bfffe554c71d504095eedb97e1_JaffaCakes118.exe	30
PID 2756 wrote to memory of 2836	2756	d1f565bfffe554c71d504095eedb97e1_JaffaCakes118.exe	30
PID 2756 wrote to memory of 2836	2756	d1f565bfffe554c71d504095eedb97e1_JaffaCakes118.exe	30
PID 2756 wrote to memory of 2836	2756	d1f565bfffe554c71d504095eedb97e1_JaffaCakes118.exe	30
PID 2756 wrote to memory of 2600	2756	d1f565bfffe554c71d504095eedb97e1_JaffaCakes118.exe	32
PID 2756 wrote to memory of 2600	2756	d1f565bfffe554c71d504095eedb97e1_JaffaCakes118.exe	32
PID 2756 wrote to memory of 2600	2756	d1f565bfffe554c71d504095eedb97e1_JaffaCakes118.exe	32
PID 2756 wrote to memory of 2600	2756	d1f565bfffe554c71d504095eedb97e1_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\d1f565bfffe554c71d504095eedb97e1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d1f565bfffe554c71d504095eedb97e1_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Users\Admin\AppData\Local\Temp\d1f565bfffe554c71d504095eedb97e1_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\d1f565bfffe554c71d504095eedb97e1_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2836
- C:\Users\Admin\AppData\Local\Temp\d1f565bfffe554c71d504095eedb97e1_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\d1f565bfffe554c71d504095eedb97e1_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2600

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\A0DE.3C0

Filesize
600B

MD5
fe00ce95d4348d2a06a355f8bfd9888b

SHA1
0cf1cb22796dd10cdd0eaf671c6e7c9f454c18bc

SHA256
9474de8237d671d153df63218f87344804c29df087c4160f82649889a0beeef6

SHA512
660d7455b397440c2b4279c10b6c9d381c6fa168be0bc31a22492004979f76b9d02b8835a8c23696062f76b37cd64883257252b394c942bca14cc5455adec5c9

Download Submit
C:\Users\Admin\AppData\Roaming\A0DE.3C0

Filesize
996B

MD5
4eebe47814ba28cdcd967094908a7f77

SHA1
25c764b4c9e9e020fcb622e5f194b6e5ba60faf7

SHA256
bfca12a440d6702aabc4f7edffbf4c8f7992667df013d99190db2bbd721af853

SHA512
101205be9aeb1d98cd20e61d9f754c8240fbaaf8a181ea46904474c76b566ce13eeed8c828396db982c1801157744b2a0d56d636098fdd6737d604e8cd7480df

Download Submit
C:\Users\Admin\AppData\Roaming\A0DE.3C0

Filesize
1KB

MD5
08414056014f0daee65f42f6b701aedd

SHA1
800a48ee7911d6d1e46661fb24f9f50de61dbe0e

SHA256
88d651dd04ba635b9e9cba26d1afb3eb6c7a1b021328582caf805eba06530903

SHA512
ac25077b31f3e66b130a3c2a08bf215235a721bab28f3c1b071fe40e67c22cc30d49d40293b58424a7994ec6d4d9adfc79c00b7240d2fada207a6d87738dfcb9

Download Submit
memory/2600-21-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2600-23-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2756-1-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2756-2-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2756-17-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2756-90-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2836-12-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2836-14-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2836-16-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download

Analysis

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