cycbot | 01d02ddc2f00b0b195dab2b87f7979f477fe227afaf1516f01b6c88a9d726a2c

General

Target

JaffaCakes118_1fcbb0cbf116c2e621a7c4adb7d0e768.exe
Size

175KB
MD5

1fcbb0cbf116c2e621a7c4adb7d0e768
SHA1

1fd71babfef6a0011ad13a73f712fe9fc6e62fcb
SHA256

01d02ddc2f00b0b195dab2b87f7979f477fe227afaf1516f01b6c88a9d726a2c
SHA512

55616025614d2806e81df4e3a5b56ce05333105f100183e757b8b10649c429aafefdc0e6312e7c60a15193e8ae02e9aedcd15659599699558ad64cc242dc0288
SSDEEP

3072:t7cak4yzm8z61olcDGLKJ6cM9J9NJmjlac6DlFwQhsZGvt36w6gH+:t7g88CoRWJe9JTbFlFsZGvtKw0

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/2440-9-0x0000000000400000-0x000000000044B000-memory.dmp	family_cycbot
behavioral1/memory/2280-20-0x0000000000400000-0x000000000044B000-memory.dmp	family_cycbot
behavioral1/memory/944-88-0x0000000000400000-0x000000000044B000-memory.dmp	family_cycbot
behavioral1/memory/2280-198-0x0000000000400000-0x000000000044B000-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 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2280-2-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2440-8-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2440-7-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2440-9-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2280-20-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/944-86-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/944-88-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2280-198-0x0000000000400000-0x000000000044B000-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_1fcbb0cbf116c2e621a7c4adb7d0e768.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1fcbb0cbf116c2e621a7c4adb7d0e768.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1fcbb0cbf116c2e621a7c4adb7d0e768.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 2440	2280	JaffaCakes118_1fcbb0cbf116c2e621a7c4adb7d0e768.exe	29
PID 2280 wrote to memory of 2440	2280	JaffaCakes118_1fcbb0cbf116c2e621a7c4adb7d0e768.exe	29
PID 2280 wrote to memory of 2440	2280	JaffaCakes118_1fcbb0cbf116c2e621a7c4adb7d0e768.exe	29
PID 2280 wrote to memory of 2440	2280	JaffaCakes118_1fcbb0cbf116c2e621a7c4adb7d0e768.exe	29
PID 2280 wrote to memory of 944	2280	JaffaCakes118_1fcbb0cbf116c2e621a7c4adb7d0e768.exe	31
PID 2280 wrote to memory of 944	2280	JaffaCakes118_1fcbb0cbf116c2e621a7c4adb7d0e768.exe	31
PID 2280 wrote to memory of 944	2280	JaffaCakes118_1fcbb0cbf116c2e621a7c4adb7d0e768.exe	31
PID 2280 wrote to memory of 944	2280	JaffaCakes118_1fcbb0cbf116c2e621a7c4adb7d0e768.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fcbb0cbf116c2e621a7c4adb7d0e768.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fcbb0cbf116c2e621a7c4adb7d0e768.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2280
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fcbb0cbf116c2e621a7c4adb7d0e768.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fcbb0cbf116c2e621a7c4adb7d0e768.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2440
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fcbb0cbf116c2e621a7c4adb7d0e768.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fcbb0cbf116c2e621a7c4adb7d0e768.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:944

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\05A0.64F

Filesize
597B

MD5
3a9666c66b29c7bb01a528c796121698

SHA1
0d3ac0eb51def0fdbf3c7d30066d4e9c97cfd6f3

SHA256
6e3a647898ea6194348f09fb401e6828024e2353c13fb21cbbaa3c08cab83a71

SHA512
2f543c1b441524cb5ec0f6a719440df4921b9db861641c9f15000f31858b7dfc99d8c5eeb7adafe6362b56c87fee69cda02964362b1b58413c3753f3e989f790

Download Submit
C:\Users\Admin\AppData\Roaming\05A0.64F

Filesize
1KB

MD5
08728f8fa24e778826acdbddfd244f19

SHA1
98d96f0bdb26272025d7ce1df69a2939fe4efcbe

SHA256
ffa4355309e79be93ec142f848c798287c2f263d3a3dea161c0a9359ad29e25d

SHA512
4753d015ac14a0162ccd04ce7c4007a8b37543a492754fc29edad8bb2e1c72fcad8f50c2631198d3d5fa6ce9edccbb3e31fe259b915a2f4a897029ac49d2fd47

Download Submit
C:\Users\Admin\AppData\Roaming\05A0.64F

Filesize
897B

MD5
21a3ba1d08b94b4ed4e59f40a3e777bf

SHA1
007d73c849cd732e4604daba31cb5c255ebbf61a

SHA256
daeff4f433ef9830a816942308acf1e1fa870f2c365a204dae117e2a4dfa9cb8

SHA512
4545d2f941f68d91364995bae205d7a6354189115e7c620a5cc40ad6ada23b77982eb3132c734c5bc30f86fa9b8c8720c2301570d0b8024a7911807236e16ed9

Download Submit
C:\Users\Admin\AppData\Roaming\05A0.64F

Filesize
1KB

MD5
313beaa27e946eb222e4e19dc4b14e6d

SHA1
62755ee37948786fb2d1bc3fc6e9f943c5df771f

SHA256
c1ba116c94b54bf329e8d060c0e6a6dd217f4ab327b2a8e60c2c02c388d9674f

SHA512
aafd770d7f2bc53fed5b18e0461433d7647cc78d1f64bda39c6896399e24a8824b34f5910e966e6d6f6cf939dc6e604cadfdfa29c4bef1952972c8381700ebda

Download Submit
memory/944-88-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/944-86-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/944-85-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2280-20-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2280-1-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2280-2-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2280-198-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2440-9-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2440-7-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2440-8-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download

Analysis

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