cycbot | 6fd5c226c072a18de4ffe3b5a710ccdc5769424eaabbead00797c541810191c4

General

Target

JaffaCakes118_6d74c235347b5f83a7b13bf7b275d5e6.exe
Size

179KB
MD5

6d74c235347b5f83a7b13bf7b275d5e6
SHA1

fcc82804a1e07046d7bdb711d4d660127c345198
SHA256

6fd5c226c072a18de4ffe3b5a710ccdc5769424eaabbead00797c541810191c4
SHA512

ff6facb702463230f8c9bf0ca5dc63037eb3f0343a162290d5b6478918c9380a63407a37a68c1738779664418e77748838d21373f900918fb6be482d4a64e6c3
SSDEEP

3072:AGQ26L9uXV49MzbmHdi4QTHzklkzAYATwAl8OzJ37FBc+kxtQJv+qvDWEY2aySfj:ZNg9uXV49MOFqHz2gAzT78Oz97FBDkxc

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/2804-8-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/2804-7-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/2484-15-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/2484-16-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/1968-84-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/2484-209-0x0000000000400000-0x0000000000469000-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 9 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2484-2-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/2804-5-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/2804-8-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/2804-7-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/2484-15-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/2484-16-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/1968-82-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/1968-84-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/2484-209-0x0000000000400000-0x0000000000469000-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_6d74c235347b5f83a7b13bf7b275d5e6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6d74c235347b5f83a7b13bf7b275d5e6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6d74c235347b5f83a7b13bf7b275d5e6.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2484 wrote to memory of 2804	2484	JaffaCakes118_6d74c235347b5f83a7b13bf7b275d5e6.exe	30
PID 2484 wrote to memory of 2804	2484	JaffaCakes118_6d74c235347b5f83a7b13bf7b275d5e6.exe	30
PID 2484 wrote to memory of 2804	2484	JaffaCakes118_6d74c235347b5f83a7b13bf7b275d5e6.exe	30
PID 2484 wrote to memory of 2804	2484	JaffaCakes118_6d74c235347b5f83a7b13bf7b275d5e6.exe	30
PID 2484 wrote to memory of 1968	2484	JaffaCakes118_6d74c235347b5f83a7b13bf7b275d5e6.exe	33
PID 2484 wrote to memory of 1968	2484	JaffaCakes118_6d74c235347b5f83a7b13bf7b275d5e6.exe	33
PID 2484 wrote to memory of 1968	2484	JaffaCakes118_6d74c235347b5f83a7b13bf7b275d5e6.exe	33
PID 2484 wrote to memory of 1968	2484	JaffaCakes118_6d74c235347b5f83a7b13bf7b275d5e6.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6d74c235347b5f83a7b13bf7b275d5e6.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6d74c235347b5f83a7b13bf7b275d5e6.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2484
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6d74c235347b5f83a7b13bf7b275d5e6.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6d74c235347b5f83a7b13bf7b275d5e6.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2804
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6d74c235347b5f83a7b13bf7b275d5e6.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6d74c235347b5f83a7b13bf7b275d5e6.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1968

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\0106.4E9

Filesize
1KB

MD5
8fdcf1492870e5aaf8e7f07c3c956e05

SHA1
bc1339f526515ff95284be1c7964b038f64af387

SHA256
23843f23dc9910754551701d405849480cc8c76ec1688b4977f026ac5621ab6e

SHA512
05c5542c59e89800f95df781aef52417995b26e05b212170c410a607b620c80ac26b9ad8a0b43d88fbdb212612317e9b33a1fd10d9dc1de84d0a373f2a213526

Download Submit
C:\Users\Admin\AppData\Roaming\0106.4E9

Filesize
600B

MD5
9c2872a4f3fe5a814d8c24801f43e924

SHA1
63a826c2202351787c12224b44633a91ecd2a05f

SHA256
f5900fdda465402e5ef80caab187e3a1a499c2c65dd51357f21855f1b68b2ba7

SHA512
52ae242c03f0c5c31afd82bb94f84970a3bc744b68eb1760174489a743a3ecac1376002088dcdb987caa65da8c079f08b6fa30ec8f3fd55af50f650697ed3c35

Download Submit
C:\Users\Admin\AppData\Roaming\0106.4E9

Filesize
996B

MD5
908c37c2a6e4beba48a51703071b6298

SHA1
a1f22908f4cfa02388348c8ac2fac5fad3321ec3

SHA256
e68d572e0b8316c3cc68afaf1180daeeafba2f1272efe7f5c7e62dc2effcf791

SHA512
b32d16ea78b9fe733871ede459231135c86ffe86ea3489c2905a7a14038478c1de983a8bd6563c87097055b663307624472d7f5b104d9e761b5f99687aa948e7

Download Submit
memory/1968-84-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1968-82-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2484-16-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2484-1-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2484-15-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2484-2-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2484-209-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2804-7-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2804-8-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2804-5-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download

Analysis

Sharing