cycbot | b05c0cf8333e8a12a3d06a3f0331d2b5987c01e366d757222cf271d7869ead3d

General

Target

ed25e914c5b580a9c329937c1f6d6a02_JaffaCakes118.exe
Size

156KB
MD5

ed25e914c5b580a9c329937c1f6d6a02
SHA1

f79fdca9d633b6a31ff293d4437ff60eefd829bc
SHA256

b05c0cf8333e8a12a3d06a3f0331d2b5987c01e366d757222cf271d7869ead3d
SHA512

8ab74dc5edae21eadee8304949556df608a198730c3499a13b063caa775fc91911971f04a3b22c8e7f78ab53b5062a140438b09c9af6bc4ba6caf9cc2a1d8d40
SSDEEP

3072:Gok8yWxodS+JpVjFlWtL+KbzOwLBg35WMqSTOxat5894V3uZ85JNTio3bxAtmEby:Gokk+dS+9jFZkqj3wMH5JBv2oLxAtmEW

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 5 IoCs

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

resource	yara_rule
behavioral1/memory/2792-5-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/2112-13-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/2112-78-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/1172-81-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/2112-189-0x0000000000400000-0x0000000000442000-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"	ed25e914c5b580a9c329937c1f6d6a02_JaffaCakes118.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2112-2-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2792-5-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2112-13-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2112-78-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/1172-80-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/1172-81-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2112-189-0x0000000000400000-0x0000000000442000-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	ed25e914c5b580a9c329937c1f6d6a02_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ed25e914c5b580a9c329937c1f6d6a02_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ed25e914c5b580a9c329937c1f6d6a02_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 2792	2112	ed25e914c5b580a9c329937c1f6d6a02_JaffaCakes118.exe	30
PID 2112 wrote to memory of 2792	2112	ed25e914c5b580a9c329937c1f6d6a02_JaffaCakes118.exe	30
PID 2112 wrote to memory of 2792	2112	ed25e914c5b580a9c329937c1f6d6a02_JaffaCakes118.exe	30
PID 2112 wrote to memory of 2792	2112	ed25e914c5b580a9c329937c1f6d6a02_JaffaCakes118.exe	30
PID 2112 wrote to memory of 1172	2112	ed25e914c5b580a9c329937c1f6d6a02_JaffaCakes118.exe	32
PID 2112 wrote to memory of 1172	2112	ed25e914c5b580a9c329937c1f6d6a02_JaffaCakes118.exe	32
PID 2112 wrote to memory of 1172	2112	ed25e914c5b580a9c329937c1f6d6a02_JaffaCakes118.exe	32
PID 2112 wrote to memory of 1172	2112	ed25e914c5b580a9c329937c1f6d6a02_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\ed25e914c5b580a9c329937c1f6d6a02_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ed25e914c5b580a9c329937c1f6d6a02_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Users\Admin\AppData\Local\Temp\ed25e914c5b580a9c329937c1f6d6a02_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\ed25e914c5b580a9c329937c1f6d6a02_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2792
- C:\Users\Admin\AppData\Local\Temp\ed25e914c5b580a9c329937c1f6d6a02_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\ed25e914c5b580a9c329937c1f6d6a02_JaffaCakes118.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1172

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\0AE7.0F0

Filesize
600B

MD5
82cc77fa5a921d0bdd1db3ac2e54f602

SHA1
7556a65fe4948107ffcbcda42a9fd64b9a8eb785

SHA256
174c6c29386a2b22670def75c2ec4d02e4a4b7e58be5dd4904f25013f41a95ee

SHA512
b4fc842244d1a2f1c1e324222bb4e49007bce9ed935c852f9e0a920c5e794030b310666a40e945ec630274057d7dd77980c88423557c8dd8430fd0377c82f6ad

Download Submit
C:\Users\Admin\AppData\Roaming\0AE7.0F0

Filesize
996B

MD5
a4b033a59cb38d720361881bae14d595

SHA1
a27e2ddc56bf87bd16a34fce0bbf049bd4d8f9a2

SHA256
f7dec71e2d020ff7a4d0f8a16b474787c86bc42a17c54cb102f92888c9bce7dd

SHA512
587ed38129b1f35b403e56d84461e30db4f2244dbb5fdc5440817a00430d726f9d9ca9170a59f988198e3fa0474607e34fd5c59b249660840e1ba37a0a1e9e54

Download Submit
memory/1172-80-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1172-81-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2112-2-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2112-1-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2112-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2112-78-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2112-189-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2792-5-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads