cycbot | 262949f4500b96fff15538b0686879572cb536025244eead92c8cf7d0501a100

Analysis

max time kernel
141s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13/01/2025, 08:27

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General

Target

JaffaCakes118_25b9c5483f15027fec145650626285e3.exe
Size

187KB
MD5

25b9c5483f15027fec145650626285e3
SHA1

39da845eba17cf2eac66f18ed1758e07d3c5b654
SHA256

262949f4500b96fff15538b0686879572cb536025244eead92c8cf7d0501a100
SHA512

5b5c4d80608cd4a8204c585b5f04d00694f4de669b77c982e8979bf55ea5f93a08d90a7729116e12b074a5dbd7bb67e3aa0a36bda8c58df5f28d960f499ea346
SSDEEP

3072:rV0ZL6tCiE9wWR0piinsC58e6cCWYiieBO2AcpBx+dj63r0PKlq/MiokM5Gh:rztCiEis28zAYiFBOJ9du3r2ykMk

Score

10^/10

cycbot backdoor discovery rat 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
behavioral2/memory/2396-11-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral2/memory/3184-12-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral2/memory/1604-79-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral2/memory/3184-188-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3184-2-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/2396-11-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/3184-12-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/1604-77-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/1604-79-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/3184-188-0x0000000000400000-0x0000000000452000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 1 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_25b9c5483f15027fec145650626285e3.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3184 wrote to memory of 2396	3184	JaffaCakes118_25b9c5483f15027fec145650626285e3.exe	84
PID 3184 wrote to memory of 2396	3184	JaffaCakes118_25b9c5483f15027fec145650626285e3.exe	84
PID 3184 wrote to memory of 2396	3184	JaffaCakes118_25b9c5483f15027fec145650626285e3.exe	84
PID 3184 wrote to memory of 1604	3184	JaffaCakes118_25b9c5483f15027fec145650626285e3.exe	92
PID 3184 wrote to memory of 1604	3184	JaffaCakes118_25b9c5483f15027fec145650626285e3.exe	92
PID 3184 wrote to memory of 1604	3184	JaffaCakes118_25b9c5483f15027fec145650626285e3.exe	92

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_25b9c5483f15027fec145650626285e3.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_25b9c5483f15027fec145650626285e3.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3184
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_25b9c5483f15027fec145650626285e3.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_25b9c5483f15027fec145650626285e3.exe startC:\Program Files (x86)\Internet Explorer\D3A9\BC3.exe%C:\Program Files (x86)\Internet Explorer\D3A9
  2⤵
  PID:2396
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_25b9c5483f15027fec145650626285e3.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_25b9c5483f15027fec145650626285e3.exe startC:\Users\Admin\AppData\Roaming\99AF7\DCED3.exe%C:\Users\Admin\AppData\Roaming\99AF7
  2⤵
  PID:1604

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\99AF7\7788.9AF

Filesize
600B

MD5
52b8658ebae97897ce20ccbc147e68c4

SHA1
9acba7efeb0b6dfcf2bcd9dbb66ba7853ab12551

SHA256
442915b4a4b986d42b5756fad38449db52292f9e24c6c36f3482efc2bbded927

SHA512
846b105b1d4e0622582c0e813fc8f3b5b6f49928dec393207660c9c526c0c85d821bfb8d495ab3456aa3cbd6b2a50242844556f4a6905f870319eded99c10b62

Download Submit
C:\Users\Admin\AppData\Roaming\99AF7\7788.9AF

Filesize
1KB

MD5
29b89eae4f717aff0e8b3adc0dd03cd0

SHA1
76fa9ef184ae36a8bff50d87a36304c9fd403d60

SHA256
ea698813a460fdcb5719d61a829ac62f19073c96ebb73b148ae100c78dddd47f

SHA512
69abce562fa1f8987fd1db286f9e699cca75c06c8a052558307016cffafe797b81d6a53bb11e57e0a29f43dc027b3dfff9625d66c40f0c4000f7e37c221ea71b

Download Submit
C:\Users\Admin\AppData\Roaming\99AF7\7788.9AF

Filesize
996B

MD5
f703968416a8685226fd2db90f26722f

SHA1
a2ea80d8a8ab69c77e2e09e9fbe8415a8f0ea177

SHA256
ad129030096bfe2bc7096913baa140309ad20f00d38f54cce623ccf4d8dc7a5c

SHA512
7c65c5a3ab5b8c3995108a4f085f78ea0e62a6ee67e5237f5b6bbeb106389d8b10b02ac5fcf1cb69907d43cdc111c162654705cf4382bb07276aa62225533beb

Download Submit
memory/1604-77-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1604-79-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2396-11-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/3184-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/3184-2-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/3184-12-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/3184-188-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download