cycbot | 21ffcfe26ff5e2b7368eca613b90a94e168175f355afc6e23785442a73f0b09e

General

Target

JaffaCakes118_43d726c3fcb08b40a64b6b5f05abde18.exe
Size

183KB
MD5

43d726c3fcb08b40a64b6b5f05abde18
SHA1

d20240914846f910be266d50db6cf2d303f829e5
SHA256

21ffcfe26ff5e2b7368eca613b90a94e168175f355afc6e23785442a73f0b09e
SHA512

474fc849f786ef68c885809a00e45d0446dad600e32f37d5aaacb669e87cfad4b1342ca5a074a83e9ae6e596985f1e31264303115479688242cf525241c96ad9
SSDEEP

3072:hzIIiglntYsALBO6tBONx+LMG/kh8rhg1rUyaYVk8r68i/kRylgEe2O0:OITHAM+BsrKFwrVLOf/NQ

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/1104-14-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/1104-13-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2060-15-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2060-16-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/2204-76-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2060-168-0x0000000000400000-0x0000000000455000-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/2060-2-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1104-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1104-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2060-15-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2060-16-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/2204-76-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2060-168-0x0000000000400000-0x0000000000455000-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_43d726c3fcb08b40a64b6b5f05abde18.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_43d726c3fcb08b40a64b6b5f05abde18.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_43d726c3fcb08b40a64b6b5f05abde18.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2060 wrote to memory of 1104	2060	JaffaCakes118_43d726c3fcb08b40a64b6b5f05abde18.exe	30
PID 2060 wrote to memory of 1104	2060	JaffaCakes118_43d726c3fcb08b40a64b6b5f05abde18.exe	30
PID 2060 wrote to memory of 1104	2060	JaffaCakes118_43d726c3fcb08b40a64b6b5f05abde18.exe	30
PID 2060 wrote to memory of 1104	2060	JaffaCakes118_43d726c3fcb08b40a64b6b5f05abde18.exe	30
PID 2060 wrote to memory of 2204	2060	JaffaCakes118_43d726c3fcb08b40a64b6b5f05abde18.exe	33
PID 2060 wrote to memory of 2204	2060	JaffaCakes118_43d726c3fcb08b40a64b6b5f05abde18.exe	33
PID 2060 wrote to memory of 2204	2060	JaffaCakes118_43d726c3fcb08b40a64b6b5f05abde18.exe	33
PID 2060 wrote to memory of 2204	2060	JaffaCakes118_43d726c3fcb08b40a64b6b5f05abde18.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43d726c3fcb08b40a64b6b5f05abde18.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43d726c3fcb08b40a64b6b5f05abde18.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2060
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43d726c3fcb08b40a64b6b5f05abde18.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43d726c3fcb08b40a64b6b5f05abde18.exe startC:\Program Files (x86)\LP\BD17\96D.exe%C:\Program Files (x86)\LP\BD17
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1104
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43d726c3fcb08b40a64b6b5f05abde18.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43d726c3fcb08b40a64b6b5f05abde18.exe startC:\Users\Admin\AppData\Roaming\7BF56\C0BBD.exe%C:\Users\Admin\AppData\Roaming\7BF56
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2204

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\7BF56\6849.BF5

Filesize
1KB

MD5
c2c3c94e27ec86083d859d337160e798

SHA1
89eb664ba9757fad43e307b78ffebd27b7596ced

SHA256
b490217f998821a73603677776c55a718c03a1e2086732b3b23bc666a1f21d2e

SHA512
ae8eab6942be735f9f7b65acb132ac3e376c21cc696980f2369c22ab3ca0a32fba4522d489f670092c7b019172b79046eae5b70a9b6dc6330048833551bbc808

Download Submit
C:\Users\Admin\AppData\Roaming\7BF56\6849.BF5

Filesize
600B

MD5
97dfffaa6c41a45dd9d392f82b81aaea

SHA1
4964988ab62c905c94666a291e2dcf14c4fbd669

SHA256
4341c423698da8ebdec1875f71b9f937a8e4c119d429ecfc03446286e3c5dcb1

SHA512
e5a8ff2f1571b801198dcd93ca0f98623fafbcb6eedbbfbe2459c2dffe582119a7fbe4a39a95f2abc875f01b8ca3dceb5bd2f3286c699586a9e339a037883b7d

Download Submit
C:\Users\Admin\AppData\Roaming\7BF56\6849.BF5

Filesize
996B

MD5
ce478caa3c182ac72c0203066f943f23

SHA1
d40d9196bae1eb2a9882b8f3825d3dcfaf790412

SHA256
43158cc1e735b3f59cb6bfd6945ffd828a301355c7ebfd29b359a3d6970752ad

SHA512
24d33209fbdf6a1fed0b2fe22df3ad17b70dac7351895137215938a72ecea2fdda03b6d5fa3b63d9102f9b3662dcafaa34c30d182087ff2a8deba5c986d94447

Download Submit
memory/1104-11-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1104-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1104-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2060-15-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2060-16-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2060-2-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2060-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2060-168-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2204-75-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2204-76-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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