cycbot | 4fa3b1f6272e2ebdac3a1bc74b8073d2359d189a7ab636d5c42a315e313c4354

General

Target

JaffaCakes118_4ddf2d32df4ab6e4303bd28da8c448d9.exe
Size

174KB
MD5

4ddf2d32df4ab6e4303bd28da8c448d9
SHA1

0fcbd43cb666585dfea3dc99fbba1a3b1fdc2199
SHA256

4fa3b1f6272e2ebdac3a1bc74b8073d2359d189a7ab636d5c42a315e313c4354
SHA512

5c72f0d353bbb5d6a7ca5444d8e97fb365efa148f13a12d879f7d0c04b20a1cabaf638d20fa741b6997f9902710677954da333895ac5eefac38ae45ef6327823
SSDEEP

3072:ZVspm8VFP37ODudlEZCQOtBYwJHqB/f4EHZSIwn05ZkPpw5wMDfKsSf:ZKjkuJQO1J03tdrPwMzbSf

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/2640-6-0x0000000000400000-0x000000000044B000-memory.dmp	family_cycbot
behavioral1/memory/1080-14-0x0000000000400000-0x000000000044B000-memory.dmp	family_cycbot
behavioral1/memory/1612-84-0x0000000000400000-0x000000000044B000-memory.dmp	family_cycbot
behavioral1/memory/1080-200-0x0000000000400000-0x000000000044B000-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/1080-2-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2640-5-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2640-6-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/1080-14-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/1612-83-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/1612-84-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/1080-200-0x0000000000400000-0x000000000044B000-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_4ddf2d32df4ab6e4303bd28da8c448d9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_4ddf2d32df4ab6e4303bd28da8c448d9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_4ddf2d32df4ab6e4303bd28da8c448d9.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1080 wrote to memory of 2640	1080	JaffaCakes118_4ddf2d32df4ab6e4303bd28da8c448d9.exe	31
PID 1080 wrote to memory of 2640	1080	JaffaCakes118_4ddf2d32df4ab6e4303bd28da8c448d9.exe	31
PID 1080 wrote to memory of 2640	1080	JaffaCakes118_4ddf2d32df4ab6e4303bd28da8c448d9.exe	31
PID 1080 wrote to memory of 2640	1080	JaffaCakes118_4ddf2d32df4ab6e4303bd28da8c448d9.exe	31
PID 1080 wrote to memory of 1612	1080	JaffaCakes118_4ddf2d32df4ab6e4303bd28da8c448d9.exe	33
PID 1080 wrote to memory of 1612	1080	JaffaCakes118_4ddf2d32df4ab6e4303bd28da8c448d9.exe	33
PID 1080 wrote to memory of 1612	1080	JaffaCakes118_4ddf2d32df4ab6e4303bd28da8c448d9.exe	33
PID 1080 wrote to memory of 1612	1080	JaffaCakes118_4ddf2d32df4ab6e4303bd28da8c448d9.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ddf2d32df4ab6e4303bd28da8c448d9.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ddf2d32df4ab6e4303bd28da8c448d9.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1080
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ddf2d32df4ab6e4303bd28da8c448d9.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ddf2d32df4ab6e4303bd28da8c448d9.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2640
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ddf2d32df4ab6e4303bd28da8c448d9.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ddf2d32df4ab6e4303bd28da8c448d9.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1612

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\1627.D3A

Filesize
1KB

MD5
d3ab1390dc6bba16c956a3daed9c2ff1

SHA1
63a9bd4ea7a4d6e01ebd2041f64d894887183d22

SHA256
4c11418798defbf5e8a4197bd5a1cbb19c27e25f11fb34e67d1c408eb50c32de

SHA512
9992062f0d2aa7f45e49e2b90265dec7857a27f0190f25dcac6921c230b0067af016555d4a15d6fb23f7229fda3e751d29992a4fe4c42a76d6a4c7e3617e05ad

Download Submit
C:\Users\Admin\AppData\Roaming\1627.D3A

Filesize
600B

MD5
7939983b8c3f13f457e7f7d1c927180f

SHA1
e327df8ec11f50b0704d6322604ac13b65605bad

SHA256
acaa25fa90f8c0171509263472a2c3fb561b7a0f0f5e9e5abb047bb7de96fa35

SHA512
e6f5dd2f376606aedb8cab73077f0221cfeebc0bf05b759888a226c05363fde82a841b5027555b50495a47956a8d69fa77141fc2b53c228e3e54e576a4b45e74

Download Submit
C:\Users\Admin\AppData\Roaming\1627.D3A

Filesize
996B

MD5
33a41df8d1786b704479577ae862d717

SHA1
463c7b9f59aa0f28dff2f434efed48b646548758

SHA256
f3ba50fda409543f90df9f805eec4a5aaa1ffa62e60ba677eefdd3211eccf97e

SHA512
c1e146f1c5c245a57d6ed2918529335e5b0e8f1cc89dbe55bfc504e9ce5f045c17a006641243820fa3f06799fd0d7ded8b745b421066365e4f14c680ccf4a335

Download Submit
memory/1080-1-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1080-2-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1080-14-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1080-200-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1612-83-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1612-84-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2640-5-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2640-6-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download

Analysis

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