cycbot | 4e78b2fae539e3e9ed7fc2b755be1b590c3dc2891ee7011a44f8fbf23e6ec2d1

General

Target

JaffaCakes118_44d76a8755e23030c5594366efc323e6.exe
Size

161KB
MD5

44d76a8755e23030c5594366efc323e6
SHA1

ef591b1959c1387d4c08957f3b832a6cace66938
SHA256

4e78b2fae539e3e9ed7fc2b755be1b590c3dc2891ee7011a44f8fbf23e6ec2d1
SHA512

29cc520d2da1a179ed84fcbbd82477903957d39e181422916a8dff77bdb35cb201112b54c28058c98192bc3621ad6a0e8f0c2e2418151c6d1a1e4562a25e03c7
SSDEEP

3072:kojx9B/pFtWUL2bICrLBT48/KQ3gr81sRUTYa0BkZg9EzpAdSuPY32nVutG1lZNv:koV9B/pFtWi2bICrLBs8/KQK/ZzkWezm

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/2288-8-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/2848-16-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/1960-88-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/2848-89-0x0000000000400000-0x0000000000468000-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/2848-2-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2288-5-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2288-8-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2288-6-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2848-16-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/1960-88-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2848-89-0x0000000000400000-0x0000000000468000-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_44d76a8755e23030c5594366efc323e6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_44d76a8755e23030c5594366efc323e6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_44d76a8755e23030c5594366efc323e6.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2848 wrote to memory of 2288	2848	JaffaCakes118_44d76a8755e23030c5594366efc323e6.exe	31
PID 2848 wrote to memory of 2288	2848	JaffaCakes118_44d76a8755e23030c5594366efc323e6.exe	31
PID 2848 wrote to memory of 2288	2848	JaffaCakes118_44d76a8755e23030c5594366efc323e6.exe	31
PID 2848 wrote to memory of 2288	2848	JaffaCakes118_44d76a8755e23030c5594366efc323e6.exe	31
PID 2848 wrote to memory of 1960	2848	JaffaCakes118_44d76a8755e23030c5594366efc323e6.exe	33
PID 2848 wrote to memory of 1960	2848	JaffaCakes118_44d76a8755e23030c5594366efc323e6.exe	33
PID 2848 wrote to memory of 1960	2848	JaffaCakes118_44d76a8755e23030c5594366efc323e6.exe	33
PID 2848 wrote to memory of 1960	2848	JaffaCakes118_44d76a8755e23030c5594366efc323e6.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_44d76a8755e23030c5594366efc323e6.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_44d76a8755e23030c5594366efc323e6.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2848
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_44d76a8755e23030c5594366efc323e6.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_44d76a8755e23030c5594366efc323e6.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2288
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_44d76a8755e23030c5594366efc323e6.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_44d76a8755e23030c5594366efc323e6.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1960

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\2493.683

Filesize
1KB

MD5
637bf43325ceafa1e8da07bf8b8d30ee

SHA1
a251324b7ed1bd01f753d4471c9c47cba8809310

SHA256
69fd9d0fe28e251c80277c7f96fd90e996d6103e90604397e5d58f75432e5813

SHA512
0c7058ebe8d29870c255885400acd5ee6fa0e4284e5d3202aaaa3906dc1992743417606a785f049b3a68b537df5f2d5ca4a70ee61a325a948ee95b7c7be08385

Download Submit
C:\Users\Admin\AppData\Roaming\2493.683

Filesize
600B

MD5
7e87dc7dae4bb7de7c30a9ac5b52953e

SHA1
880e9867afdfd193b50a86f96baf170a8c3d5e1c

SHA256
490d7518f503edf094228ecc7645498cf8e61a7817a43fc6ac69071417359ea9

SHA512
a5112c4ef11c364d0859fa84f9a85dfdb274215268113eef579fefe842112850e602b07fa6467bed4171833872389f45ee6b0e1da29443f2459d7e40e32f9fa9

Download Submit
C:\Users\Admin\AppData\Roaming\2493.683

Filesize
996B

MD5
7c0f091b828c4e136ef38e8b0e90b38d

SHA1
d049b7c45c1006318556b9e0212078f85313a46a

SHA256
4d38dbe5b3e0069dd6d4e57e58ceb58963d4f03aed730d9477b6b9a7b0487d19

SHA512
72399e3ee9a2e1e0c4ba1bbe06dc1473838881ed693688c935226051f3270e7873fb35198c29b515404f7858ea793d762bb40b1877b8bc8a36c57af0d489b907

Download Submit
memory/1960-88-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2288-5-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2288-8-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2288-6-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2848-1-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2848-2-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2848-16-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2848-89-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download

Analysis

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