cycbot | 2d03e9296ce51f5b615ca909b6b25b8b15b545408853a8e9e0d9937b3ddb63bb

General

Target

JaffaCakes118_13ec9f74136163bc789c03b4775279b1.exe
Size

172KB
MD5

13ec9f74136163bc789c03b4775279b1
SHA1

830037f95747e811939c7c7f888206951cea528d
SHA256

2d03e9296ce51f5b615ca909b6b25b8b15b545408853a8e9e0d9937b3ddb63bb
SHA512

a719265fccdcff56ae726e6d3ebd2939cb4c094037bd6fe326aed1a27bab47a554cc5cdebabed318b075a04675aa73012e787e2efe338ba054cb016d4fde8835
SSDEEP

3072:Ju8M2vpUDCPApvoIetzmQE37wNAa1hVpDbPS0s+fSfeuYD11FTRbzk5a+LUzy:JumKvtgGrwN/FbK0KfsD11FTR/kAN

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/2204-20-0x0000000000400000-0x000000000046C000-memory.dmp	family_cycbot
behavioral1/memory/2944-21-0x0000000000400000-0x000000000046C000-memory.dmp	family_cycbot
behavioral1/memory/796-98-0x0000000000400000-0x000000000046C000-memory.dmp	family_cycbot
behavioral1/memory/2944-200-0x0000000000400000-0x000000000046C000-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/2944-2-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral1/memory/2204-19-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral1/memory/2204-20-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral1/memory/2944-21-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral1/memory/796-96-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral1/memory/796-98-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral1/memory/2944-200-0x0000000000400000-0x000000000046C000-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_13ec9f74136163bc789c03b4775279b1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_13ec9f74136163bc789c03b4775279b1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_13ec9f74136163bc789c03b4775279b1.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2944 wrote to memory of 2204	2944	JaffaCakes118_13ec9f74136163bc789c03b4775279b1.exe	31
PID 2944 wrote to memory of 2204	2944	JaffaCakes118_13ec9f74136163bc789c03b4775279b1.exe	31
PID 2944 wrote to memory of 2204	2944	JaffaCakes118_13ec9f74136163bc789c03b4775279b1.exe	31
PID 2944 wrote to memory of 2204	2944	JaffaCakes118_13ec9f74136163bc789c03b4775279b1.exe	31
PID 2944 wrote to memory of 796	2944	JaffaCakes118_13ec9f74136163bc789c03b4775279b1.exe	33
PID 2944 wrote to memory of 796	2944	JaffaCakes118_13ec9f74136163bc789c03b4775279b1.exe	33
PID 2944 wrote to memory of 796	2944	JaffaCakes118_13ec9f74136163bc789c03b4775279b1.exe	33
PID 2944 wrote to memory of 796	2944	JaffaCakes118_13ec9f74136163bc789c03b4775279b1.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_13ec9f74136163bc789c03b4775279b1.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_13ec9f74136163bc789c03b4775279b1.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2944
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_13ec9f74136163bc789c03b4775279b1.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_13ec9f74136163bc789c03b4775279b1.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2204
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_13ec9f74136163bc789c03b4775279b1.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_13ec9f74136163bc789c03b4775279b1.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:796

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\0E7E.CB3

Filesize
597B

MD5
2d6ee5abefa8a323453f3366d31f967b

SHA1
4e22a18ede59e9e2799258f4978d90dac589a486

SHA256
b0a10fd5b536f76ce7086586fdc53ecdfa843da65e2b5ebd1f56d0c899661799

SHA512
f07033294dbe1f27ee68c7d5fc84ffad09f9875828dda36f36ce83e996943a70a218676d3188c5cf639480149521245f06b8fc303e602e97da2fd73e40130b24

Download Submit
C:\Users\Admin\AppData\Roaming\0E7E.CB3

Filesize
1KB

MD5
44e9718c4e67a8a5f59248d453084b48

SHA1
e422f53f5dc548c7f15f8272001ac1285e852a27

SHA256
0dbce1882120b96d3732511e89d0079bf022e9aa7504ca5f37520c6fbe872ee2

SHA512
a08e91cec2df3aee88d36adaa0da588fe9980e20cbda2abe1e307c848c88c39449f9b57d95d01f9a163c37d259212223e210afab4e30c3bb9352bec09b8e1c32

Download Submit
C:\Users\Admin\AppData\Roaming\0E7E.CB3

Filesize
897B

MD5
f76fe0df44eb4942fa803eb862339bf3

SHA1
d2bc5fb5833e8220b13e2c68553209f95616ac9c

SHA256
a7bc483f97eae03539fedc114cdb9d3e9b4d9b3650719cae83d60eb937aba25f

SHA512
5fe26b8c2da10b2c5853473fd2c98fcf7374ae0841763901a0d0d6b97776a8f394ae2706f6d6a0648436b486a795d5237a5429f33e9e464235da201731c0d11c

Download Submit
C:\Users\Admin\AppData\Roaming\0E7E.CB3

Filesize
1KB

MD5
eec1d380c7d4444de043a2a6aab3f772

SHA1
05ba37d3d1478517c1a4ae0451aaec40772101ff

SHA256
5f164eacd9ae801c37f63a983db71f1223642d39cfc5d4303fa8f03158e88c03

SHA512
19a7a8a7c73115a12635085ef863dd8461f359f5a3901e10a86799b677f8cf0455eafd0a1dd6ec51867f7e2c73f49d41f6245eb5aa0a5cf610bc54549139a00a

Download Submit
memory/796-98-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/796-96-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2204-17-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2204-20-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2204-19-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2944-21-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2944-1-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2944-2-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2944-200-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download

Analysis

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