cycbot | b2da32e33435a9f1fafb1543caedbc801eb724e27c7ee2cad8632d4f08936395

General

Target

f8a3e16655064047f563909ea5e52a2c_JaffaCakes118.exe
Size

186KB
MD5

f8a3e16655064047f563909ea5e52a2c
SHA1

6c7ce5f8326e35d370eab49cacf123cd8981ac8d
SHA256

b2da32e33435a9f1fafb1543caedbc801eb724e27c7ee2cad8632d4f08936395
SHA512

f7fec25e61d8847090bd72e2859c1a15553c16fd8e797248f55ec88c9814fbd902bc6539482844005605535a49e5a63f4b23b9ed9da43aa1e44d37098b11cbff
SSDEEP

3072:gZJTJ/b0p/7fmFcOakMuxzKhqIsNyerGlOjkJNrCPn9ad+xZSzdJt4gaS6I0:gZH/b0p/ieOkuxzsqnNySG2+NuPn9adb

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 5 IoCs

Cycbot is a backdoor and trojan written in C++.

resource	yara_rule
behavioral1/memory/2844-7-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/2316-14-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/2144-78-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/2316-170-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/2316-207-0x0000000000400000-0x0000000000468000-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 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2316-2-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2844-6-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2844-5-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2844-7-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2316-14-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2144-76-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2144-78-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2316-170-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2316-207-0x0000000000400000-0x0000000000468000-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	f8a3e16655064047f563909ea5e52a2c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f8a3e16655064047f563909ea5e52a2c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f8a3e16655064047f563909ea5e52a2c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 2844	2316	f8a3e16655064047f563909ea5e52a2c_JaffaCakes118.exe	30
PID 2316 wrote to memory of 2844	2316	f8a3e16655064047f563909ea5e52a2c_JaffaCakes118.exe	30
PID 2316 wrote to memory of 2844	2316	f8a3e16655064047f563909ea5e52a2c_JaffaCakes118.exe	30
PID 2316 wrote to memory of 2844	2316	f8a3e16655064047f563909ea5e52a2c_JaffaCakes118.exe	30
PID 2316 wrote to memory of 2144	2316	f8a3e16655064047f563909ea5e52a2c_JaffaCakes118.exe	32
PID 2316 wrote to memory of 2144	2316	f8a3e16655064047f563909ea5e52a2c_JaffaCakes118.exe	32
PID 2316 wrote to memory of 2144	2316	f8a3e16655064047f563909ea5e52a2c_JaffaCakes118.exe	32
PID 2316 wrote to memory of 2144	2316	f8a3e16655064047f563909ea5e52a2c_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\f8a3e16655064047f563909ea5e52a2c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f8a3e16655064047f563909ea5e52a2c_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2316
- C:\Users\Admin\AppData\Local\Temp\f8a3e16655064047f563909ea5e52a2c_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\f8a3e16655064047f563909ea5e52a2c_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2844
- C:\Users\Admin\AppData\Local\Temp\f8a3e16655064047f563909ea5e52a2c_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\f8a3e16655064047f563909ea5e52a2c_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2144

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\E4EF.F2C

Filesize
1KB

MD5
5dc8dfc1fc30892b931d07e8d668bd2f

SHA1
ef10f09045c77bf57574726ac9b550c893ef6a66

SHA256
df92185124d164875472aff7f2eaeab317d05deed693bc32fe1afa07f6705c22

SHA512
804dc43cc6a4c5ca9d843bd53352794e75bc36aeb2bca5d48f9a7e1541c4718bb3a9acf3adf7e13fb75bd5cafde8fccfae2c27f71f23c341b061a4cc9bfb775c

Download Submit
C:\Users\Admin\AppData\Roaming\E4EF.F2C

Filesize
600B

MD5
cf591786e5545ccab978bc267f87536f

SHA1
a24d8c4baa308a0b5e1e499d81ba688a07776579

SHA256
7507fe10961972c500c560a040626a25924c7ce2c87ebcb42fbe7caee88288e2

SHA512
01f8e9b8e0ed5e3a507e4f5ada61c8b9009d1dc969e6d3d51d69a6cd9b3948bb17d36f8bd9a5675a9d2feee09dabd05bc2d3f768628bd107eb3b6e2f67cec656

Download Submit
C:\Users\Admin\AppData\Roaming\E4EF.F2C

Filesize
996B

MD5
71c2cb75fa25bc5d45935f8f799e5ccf

SHA1
7ad6031eef98b6b05d6c46fb00ae3625904507a8

SHA256
2ed6b39433ab939460645c12c2ce9d6f6153f9b4915e40ec6cfc94d6590abdc4

SHA512
c80dc3ab7e06ff0bac5f6911bf71ec748f1d48046e110ca6b7e5b98c489e107b98e305af3dbd57ea688732f5b309fec1d7ad7889d368547091ed863401e3bd48

Download Submit
memory/2144-76-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2144-78-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2316-14-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2316-1-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2316-2-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2316-170-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2316-207-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2844-5-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2844-7-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2844-6-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download

Analysis

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