cycbot | 12cb7a2effe5cdb15deddb0cb549eba973390e08f9faa83a20f3cb8a1a9804d6

General

Target

JaffaCakes118_318b88ac72cb1412cf6a4dd3fdd91d0e.exe
Size

187KB
MD5

318b88ac72cb1412cf6a4dd3fdd91d0e
SHA1

23a3c3c2495e05977e8caad4c9796abe70f8934b
SHA256

12cb7a2effe5cdb15deddb0cb549eba973390e08f9faa83a20f3cb8a1a9804d6
SHA512

8020c9294e1c0d57efdff46d5ccdec3ffc39910870bda75aa4f6ce69043427eb1fad060dfb39cc8b6b7a49b63a1778135043eeaebb378528143dec100dc74d06
SSDEEP

3072:DGZsPCOzJthGdFsPjGuBw+I96BAot8zFPwGs/7/Dx3wwGduVBPU7KFm:bhthGkBVNBAoqiA18VBuKF

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/2600-13-0x0000000000400000-0x0000000000471000-memory.dmp	family_cycbot
behavioral1/memory/2696-14-0x0000000000400000-0x0000000000471000-memory.dmp	family_cycbot
behavioral1/memory/2480-70-0x0000000000400000-0x0000000000471000-memory.dmp	family_cycbot
behavioral1/memory/2696-189-0x0000000000400000-0x0000000000471000-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/2696-2-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/2600-12-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/2600-13-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/2696-14-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/2480-71-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/2480-70-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/2696-189-0x0000000000400000-0x0000000000471000-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_318b88ac72cb1412cf6a4dd3fdd91d0e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_318b88ac72cb1412cf6a4dd3fdd91d0e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_318b88ac72cb1412cf6a4dd3fdd91d0e.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2696 wrote to memory of 2600	2696	JaffaCakes118_318b88ac72cb1412cf6a4dd3fdd91d0e.exe	30
PID 2696 wrote to memory of 2600	2696	JaffaCakes118_318b88ac72cb1412cf6a4dd3fdd91d0e.exe	30
PID 2696 wrote to memory of 2600	2696	JaffaCakes118_318b88ac72cb1412cf6a4dd3fdd91d0e.exe	30
PID 2696 wrote to memory of 2600	2696	JaffaCakes118_318b88ac72cb1412cf6a4dd3fdd91d0e.exe	30
PID 2696 wrote to memory of 2480	2696	JaffaCakes118_318b88ac72cb1412cf6a4dd3fdd91d0e.exe	32
PID 2696 wrote to memory of 2480	2696	JaffaCakes118_318b88ac72cb1412cf6a4dd3fdd91d0e.exe	32
PID 2696 wrote to memory of 2480	2696	JaffaCakes118_318b88ac72cb1412cf6a4dd3fdd91d0e.exe	32
PID 2696 wrote to memory of 2480	2696	JaffaCakes118_318b88ac72cb1412cf6a4dd3fdd91d0e.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_318b88ac72cb1412cf6a4dd3fdd91d0e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_318b88ac72cb1412cf6a4dd3fdd91d0e.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2696
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_318b88ac72cb1412cf6a4dd3fdd91d0e.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_318b88ac72cb1412cf6a4dd3fdd91d0e.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2600
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_318b88ac72cb1412cf6a4dd3fdd91d0e.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_318b88ac72cb1412cf6a4dd3fdd91d0e.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2480

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\09BF.F88

Filesize
1KB

MD5
34599dab689c68de1e3c4c61bcc8a572

SHA1
9df6e48be00181733f13b27a4db98dbce92dcc0f

SHA256
f0d460204888db224471a298aa4bcb6bd4920010924ca149f8e0f1a1566b7799

SHA512
c793beacb53f8cadba7d81123b2bcb96d28e45c5acee284fbca2a3a958b2999aa674d29ccba78eb5586979decb43d89b5744a7df6515f8e82de340750c1843e2

Download Submit
C:\Users\Admin\AppData\Roaming\09BF.F88

Filesize
600B

MD5
92e0d6a2c2bd40ca041992a90a930fcf

SHA1
a28da130c806921b602419bd54b0e243e86b2e80

SHA256
724052e58d0476d251c3c35fce24b926c834cbc97954f5ef106d57e6465a47ce

SHA512
fe3d3ffe66ad4555faf88989604bdf3acffd6692fd39204717dd5521be5db4e763bca4aacefd75e3113f88e2cedfd5cfe24ceb9bbc1e41362568deec71adbe91

Download Submit
C:\Users\Admin\AppData\Roaming\09BF.F88

Filesize
996B

MD5
d12de2de01b5cdac134e8c1112179d95

SHA1
14ca22afa3288babdcd7aa8dee7b4950812a1fb9

SHA256
1f959d6d7dd3a3c270f9b244ed2bf9c7ecbd855207e87b3a63ee12ca37824dfd

SHA512
fadff3b28c27313d62d2f1692833a92f6fe591b6abcb6911837ef92a32bb5a60b9af1edbc8b8c4068e5561d003e346f1341d946b1b8ab2d0b10a6a603dac1c8e

Download Submit
memory/2480-69-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2480-71-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2480-70-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2600-12-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2600-13-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2696-1-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2696-2-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2696-14-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2696-189-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download

Analysis

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