cycbot | 0c7f36201ee71d7baabe035b94cccc99c354ae209c1a2154239243b690ca416c

General

Target

JaffaCakes118_55a9b96979ba4c17fb910af520b173d7.exe
Size

195KB
MD5

55a9b96979ba4c17fb910af520b173d7
SHA1

29e5cbeb5628a287a6f2a19731a72b25ed7228a3
SHA256

0c7f36201ee71d7baabe035b94cccc99c354ae209c1a2154239243b690ca416c
SHA512

f95feeea77623e4f73bb39a18098e69c4cd3d562fc605e5c0a7445688833c449a5dea424c4f35ca723f20c98750c72ed495b084b0a8205e64d012146e17e20b0
SSDEEP

3072:AEzUBSKNgUTY+ecZgx6vjh+eZ/+eaAGjzi1FBZBRHFXTFqkoy3oJtSdKmuewXg1o:nCVTd+j0Nx9toMES2Fg5FoB

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/2460-5-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/1932-14-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/1092-81-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/1932-190-0x0000000000400000-0x0000000000469000-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 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1932-2-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/2460-5-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/1932-14-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/1092-79-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/1092-81-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/1932-190-0x0000000000400000-0x0000000000469000-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_55a9b96979ba4c17fb910af520b173d7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_55a9b96979ba4c17fb910af520b173d7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_55a9b96979ba4c17fb910af520b173d7.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1932 wrote to memory of 2460	1932	JaffaCakes118_55a9b96979ba4c17fb910af520b173d7.exe	31
PID 1932 wrote to memory of 2460	1932	JaffaCakes118_55a9b96979ba4c17fb910af520b173d7.exe	31
PID 1932 wrote to memory of 2460	1932	JaffaCakes118_55a9b96979ba4c17fb910af520b173d7.exe	31
PID 1932 wrote to memory of 2460	1932	JaffaCakes118_55a9b96979ba4c17fb910af520b173d7.exe	31
PID 1932 wrote to memory of 1092	1932	JaffaCakes118_55a9b96979ba4c17fb910af520b173d7.exe	33
PID 1932 wrote to memory of 1092	1932	JaffaCakes118_55a9b96979ba4c17fb910af520b173d7.exe	33
PID 1932 wrote to memory of 1092	1932	JaffaCakes118_55a9b96979ba4c17fb910af520b173d7.exe	33
PID 1932 wrote to memory of 1092	1932	JaffaCakes118_55a9b96979ba4c17fb910af520b173d7.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_55a9b96979ba4c17fb910af520b173d7.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_55a9b96979ba4c17fb910af520b173d7.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1932
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_55a9b96979ba4c17fb910af520b173d7.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_55a9b96979ba4c17fb910af520b173d7.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2460
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_55a9b96979ba4c17fb910af520b173d7.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_55a9b96979ba4c17fb910af520b173d7.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1092

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\E6EC.EFC

Filesize
1KB

MD5
162be77c263c109dca99d5aa4ae10e86

SHA1
684045528b0df4afde9210275d6f7dac60606b86

SHA256
7b3a5859ef4c05b0d663906342c9c23ef13f716684c82a1098faa86ede9e3209

SHA512
406d9ea508c748f1a643a49e15492219e2b561b879ab71008c4479eb7c531d5cbfdc646579044329607a46e88846d9b83d419f1b9bcb049c70a9d11701ef1384

Download Submit
C:\Users\Admin\AppData\Roaming\E6EC.EFC

Filesize
600B

MD5
7a2accde3a1e13172b9c4d0ccf9c7028

SHA1
1b93df8fc0e9bc5d6b025a6ac4f310580490d29d

SHA256
c192400f6ea57c9e424e8dfa60fb7bce8a9c689f79020c5b9babdd3eea2e1b24

SHA512
4960f43501825dc8a94ea7af9a599f6ac822447f6138a7b39e484d7ddf2c3c2177bcc389bad89e30377c09bb66c6122b67d0345061554fb12517f386d95afaf2

Download Submit
C:\Users\Admin\AppData\Roaming\E6EC.EFC

Filesize
996B

MD5
698312629321f843719f8c606277402b

SHA1
b73bec31873ba321dbf712c7e6afa508c48d3577

SHA256
674b8e5839ac605666c72d79e99622d293a4349b179df0d8186d87b2a3db885d

SHA512
95ca329a16f86e553d8de3ba2e27508efb0c773cd6bb7e699de93640d89f795fec151b62ad42b149f0fb9dab5610ad520ddd18d44a6209aef139fa58537a7157

Download Submit
memory/1092-79-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1092-81-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1932-1-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1932-2-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1932-14-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1932-190-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2460-5-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download

Analysis

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