cycbot | 63130c80578b44d6ba0c7f7c13cfb4e893967a81608d0ec8993dfe6020f268c3

General

Target

JaffaCakes118_771873432a46048391d86de0cf6e6ebb.exe
Size

178KB
MD5

771873432a46048391d86de0cf6e6ebb
SHA1

5a07c7e3345210329d4d0cc17a6e1d86585b121d
SHA256

63130c80578b44d6ba0c7f7c13cfb4e893967a81608d0ec8993dfe6020f268c3
SHA512

30ee54e452069c52253d92360a5cd94fb33747319f7263de4d3383477601b47ccc41a7038162a104763238b663f0a50ee76f9cd0ddc0d384b558a945af6dabd8
SSDEEP

3072:/L/wyNqKMLufKePcPRD5kFR+rUr1YdDrgXvftX48yr2goxiX:/L/wfLufDwIR6d/gXHtXJm5R

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 5 IoCs

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

resource	yara_rule
behavioral2/memory/3892-13-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral2/memory/3140-14-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral2/memory/3140-15-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral2/memory/4476-127-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral2/memory/3140-298-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3140-2-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3892-12-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3892-13-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3140-14-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3140-15-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/4476-125-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4476-127-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3140-298-0x0000000000400000-0x0000000000454000-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_771873432a46048391d86de0cf6e6ebb.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3140 wrote to memory of 3892	3140	JaffaCakes118_771873432a46048391d86de0cf6e6ebb.exe	86
PID 3140 wrote to memory of 3892	3140	JaffaCakes118_771873432a46048391d86de0cf6e6ebb.exe	86
PID 3140 wrote to memory of 3892	3140	JaffaCakes118_771873432a46048391d86de0cf6e6ebb.exe	86
PID 3140 wrote to memory of 4476	3140	JaffaCakes118_771873432a46048391d86de0cf6e6ebb.exe	87
PID 3140 wrote to memory of 4476	3140	JaffaCakes118_771873432a46048391d86de0cf6e6ebb.exe	87
PID 3140 wrote to memory of 4476	3140	JaffaCakes118_771873432a46048391d86de0cf6e6ebb.exe	87

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_771873432a46048391d86de0cf6e6ebb.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_771873432a46048391d86de0cf6e6ebb.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3140
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_771873432a46048391d86de0cf6e6ebb.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_771873432a46048391d86de0cf6e6ebb.exe startC:\Program Files (x86)\LP\108D\733.exe%C:\Program Files (x86)\LP\108D
  2⤵
  PID:3892
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_771873432a46048391d86de0cf6e6ebb.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_771873432a46048391d86de0cf6e6ebb.exe startC:\Users\Admin\AppData\Roaming\D77E1\E6810.exe%C:\Users\Admin\AppData\Roaming\D77E1
  2⤵
  PID:4476

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\D77E1\1CBA.77E

Filesize
996B

MD5
c6a509f38e318aa6d7d0c4b7e67a2a7e

SHA1
8427e3e21387fd4fe33c7e8e18047e337fa882b5

SHA256
3636a56aa6b33b12f019e8ab90b49ed161608fec2bca0857a6f06aa285f47dfd

SHA512
d91bf065579cfedc82634a155ce247fdb1474a62f837e9a01a953651cfa2bb6608cad0416750c3f1df09782ab43383bcae10d70df5b3ff500313d78c9eb07db3

Download Submit
C:\Users\Admin\AppData\Roaming\D77E1\1CBA.77E

Filesize
1KB

MD5
c723051289d2a19e9d9077e4609bc2d0

SHA1
59848181c912baeab9a10d5935643d27ee343f96

SHA256
f555dce010a0b155da11331c73fef2e439f52c2fec7ea61fa7fd5c25bff75590

SHA512
60b505cd33b61972b01e40f704bfebaddfba74542585e5327152a4507ea2f0568249d3aa441f1ff2d3d6f1541c5399e27dd7838887c9c69feb45a0ae6bbdbbda

Download Submit
C:\Users\Admin\AppData\Roaming\D77E1\1CBA.77E

Filesize
600B

MD5
cb865d1cbe8a5c35e975cadb5ecca251

SHA1
7136fad9128ca5a718914446f931d4d3ec821b75

SHA256
afd093a6e9af2aa3355f1afd3c9cf845feac2f1d1c394eea3dc2e76a0c459f0e

SHA512
5c84d6aa596fc1dc358fec1a70d28e5b40331aee646631037e6e90c8c8b5d9905801af292ce1cbd080122df2c2325fa919d7b466f680f3dfeef28079be5908e0

Download Submit
memory/3140-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/3140-2-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3140-298-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3140-14-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3140-15-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/3892-12-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3892-13-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3892-11-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4476-125-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4476-127-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4476-124-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download

Analysis

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