cycbot | d7c1094ec76efcfc64458d50bbafa066414684c144afbaf15c755375abbb46bf

General

Target

fe325bdf1d13ab91b307c6c77e9a8f5d_JaffaCakes118.exe
Size

164KB
MD5

fe325bdf1d13ab91b307c6c77e9a8f5d
SHA1

35461dee62ac27823f4e5a16d4f9ddaea7fd4f1d
SHA256

d7c1094ec76efcfc64458d50bbafa066414684c144afbaf15c755375abbb46bf
SHA512

1d81c8a89e91355125bc21c273fc43bb56f15a09e14cf62686864ee5c1928ce7ba016a29ed19013a9bcd2ffd41ad14084d914b6bb1514cb7127086da559d2af1
SSDEEP

3072:Om7WiBfRXptiSo/dMLjm5UstDczLMD7nbWfJJg95aiMa:Om7xBZZ0S2dMLi5UstczLc7n6o9Qz

Score

10^/10

cycbot backdoor discovery persistence 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/2472-6-0x0000000000400000-0x000000000043D000-memory.dmp	family_cycbot
behavioral1/memory/276-13-0x0000000000400000-0x000000000043D000-memory.dmp	family_cycbot
behavioral1/memory/1460-78-0x0000000000400000-0x000000000043D000-memory.dmp	family_cycbot
behavioral1/memory/276-134-0x0000000000400000-0x000000000043D000-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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\conhost = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\conhost.exe"	fe325bdf1d13ab91b307c6c77e9a8f5d_JaffaCakes118.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/276-1-0x0000000000400000-0x000000000043D000-memory.dmp	upx
behavioral1/memory/2472-6-0x0000000000400000-0x000000000043D000-memory.dmp	upx
behavioral1/memory/276-13-0x0000000000400000-0x000000000043D000-memory.dmp	upx
behavioral1/memory/1460-78-0x0000000000400000-0x000000000043D000-memory.dmp	upx
behavioral1/memory/276-134-0x0000000000400000-0x000000000043D000-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	fe325bdf1d13ab91b307c6c77e9a8f5d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fe325bdf1d13ab91b307c6c77e9a8f5d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fe325bdf1d13ab91b307c6c77e9a8f5d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 276 wrote to memory of 2472	276	fe325bdf1d13ab91b307c6c77e9a8f5d_JaffaCakes118.exe	31
PID 276 wrote to memory of 2472	276	fe325bdf1d13ab91b307c6c77e9a8f5d_JaffaCakes118.exe	31
PID 276 wrote to memory of 2472	276	fe325bdf1d13ab91b307c6c77e9a8f5d_JaffaCakes118.exe	31
PID 276 wrote to memory of 2472	276	fe325bdf1d13ab91b307c6c77e9a8f5d_JaffaCakes118.exe	31
PID 276 wrote to memory of 1460	276	fe325bdf1d13ab91b307c6c77e9a8f5d_JaffaCakes118.exe	33
PID 276 wrote to memory of 1460	276	fe325bdf1d13ab91b307c6c77e9a8f5d_JaffaCakes118.exe	33
PID 276 wrote to memory of 1460	276	fe325bdf1d13ab91b307c6c77e9a8f5d_JaffaCakes118.exe	33
PID 276 wrote to memory of 1460	276	fe325bdf1d13ab91b307c6c77e9a8f5d_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\fe325bdf1d13ab91b307c6c77e9a8f5d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fe325bdf1d13ab91b307c6c77e9a8f5d_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:276
- C:\Users\Admin\AppData\Local\Temp\fe325bdf1d13ab91b307c6c77e9a8f5d_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\fe325bdf1d13ab91b307c6c77e9a8f5d_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2472
- C:\Users\Admin\AppData\Local\Temp\fe325bdf1d13ab91b307c6c77e9a8f5d_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\fe325bdf1d13ab91b307c6c77e9a8f5d_JaffaCakes118.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1460

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

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

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Downloads

C:\Users\Admin\AppData\Roaming\558A.479

Filesize
600B

MD5
cbfd405bf26f34a285852b7d3dce7e60

SHA1
09a6840e16abe5c8295a3bb7660b1ec723b6c3c9

SHA256
660afe0d683c8a353e3ec3c73a8f35b3229735449dff2bce49b309dfeb6b9910

SHA512
812b75f23b401d0cc2fbba8238597ecac50907d4f916659b1ca197f4441365af8ac5a5a67ada44dd6ac998094c78390b9c4d91c454e3b78640ce7f8503b3bb29

Download Submit
C:\Users\Admin\AppData\Roaming\558A.479

Filesize
996B

MD5
557412407f03bc77c89a8caa2a3db819

SHA1
3b27e7079feaf4fa8eb3bac47408cbf419106665

SHA256
7e29e0406265e0b6be5f0a1671dd325749b4f4dd928253f4d8807db98cd4e89d

SHA512
4f0f59107d18ba6c3e506134e3c6e5875f7950084a4879af18ff0507195150936f7332391ed279d226afbc1f6fb1cace9cfa05c9baabe8d694f751de5b3c2eca

Download Submit
memory/276-1-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/276-13-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/276-134-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/1460-78-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2472-4-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2472-6-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads