cycbot | dc1552f07b340b6429f306909bfe7d8676ed6e96e6963d0ad51b0002b8e2bfcd

General

Target

dc1552f07b340b6429f306909bfe7d8676ed6e96e6963d0ad51b0002b8e2bfcd.exe
Size

183KB
MD5

ffba4d3836584b69e0e2e678a6810896
SHA1

e9f63a17c22460537d35d81bf5fb6c258b578d53
SHA256

dc1552f07b340b6429f306909bfe7d8676ed6e96e6963d0ad51b0002b8e2bfcd
SHA512

f1502bea8f80209f2db22ec02ecb89de554b7d72e5a8afbd36df4f6369d040feb90f842abc39ca35712cdde0995cdac8bad175e40b4ed26f5d899f2eefc9c4c9
SSDEEP

3072:YengzC/YgWeTc+rCgiI0Qk9LFcuIiWq33YrK05saI9PB7TOcgZ7rQSJIhtm4:YenoC/YgtTcKCzIbgJlaqYJCtxbFbN

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/4440-12-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral2/memory/3568-13-0x0000000000400000-0x0000000000451000-memory.dmp	family_cycbot
behavioral2/memory/3568-14-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral2/memory/2212-79-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral2/memory/3568-180-0x0000000000400000-0x0000000000454000-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/3568-2-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4440-11-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4440-12-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3568-13-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/3568-14-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2212-78-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2212-79-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3568-180-0x0000000000400000-0x0000000000454000-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	dc1552f07b340b6429f306909bfe7d8676ed6e96e6963d0ad51b0002b8e2bfcd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3568 wrote to memory of 4440	3568	dc1552f07b340b6429f306909bfe7d8676ed6e96e6963d0ad51b0002b8e2bfcd.exe	85
PID 3568 wrote to memory of 4440	3568	dc1552f07b340b6429f306909bfe7d8676ed6e96e6963d0ad51b0002b8e2bfcd.exe	85
PID 3568 wrote to memory of 4440	3568	dc1552f07b340b6429f306909bfe7d8676ed6e96e6963d0ad51b0002b8e2bfcd.exe	85
PID 3568 wrote to memory of 2212	3568	dc1552f07b340b6429f306909bfe7d8676ed6e96e6963d0ad51b0002b8e2bfcd.exe	87
PID 3568 wrote to memory of 2212	3568	dc1552f07b340b6429f306909bfe7d8676ed6e96e6963d0ad51b0002b8e2bfcd.exe	87
PID 3568 wrote to memory of 2212	3568	dc1552f07b340b6429f306909bfe7d8676ed6e96e6963d0ad51b0002b8e2bfcd.exe	87

C:\Users\Admin\AppData\Local\Temp\dc1552f07b340b6429f306909bfe7d8676ed6e96e6963d0ad51b0002b8e2bfcd.exe
"C:\Users\Admin\AppData\Local\Temp\dc1552f07b340b6429f306909bfe7d8676ed6e96e6963d0ad51b0002b8e2bfcd.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3568
- C:\Users\Admin\AppData\Local\Temp\dc1552f07b340b6429f306909bfe7d8676ed6e96e6963d0ad51b0002b8e2bfcd.exe
  C:\Users\Admin\AppData\Local\Temp\dc1552f07b340b6429f306909bfe7d8676ed6e96e6963d0ad51b0002b8e2bfcd.exe startC:\Program Files (x86)\LP\4255\F21.exe%C:\Program Files (x86)\LP\4255
  2⤵
  PID:4440
- C:\Users\Admin\AppData\Local\Temp\dc1552f07b340b6429f306909bfe7d8676ed6e96e6963d0ad51b0002b8e2bfcd.exe
  C:\Users\Admin\AppData\Local\Temp\dc1552f07b340b6429f306909bfe7d8676ed6e96e6963d0ad51b0002b8e2bfcd.exe startC:\Users\Admin\AppData\Roaming\5F948\30C42.exe%C:\Users\Admin\AppData\Roaming\5F948
  2⤵
  PID:2212

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\5F948\83FB.F94

Filesize
1KB

MD5
0620721a6582bee2fe7b44415d905d73

SHA1
b37e1a6b4d97e8452735e67cc7ef2fdc1ff86a6a

SHA256
80c68398b6c5daed160e14f14daee643ac6b18c207a306cabe9a6fae515c041c

SHA512
5b7635b702241d6754f9dd0cf4eff9015d55f613d9cb1b4775cb393863ec1398b2d42ec6133af2e237d575141d41e6cd034a215ab5e73a4f9b6149ba8856b749

Download Submit
C:\Users\Admin\AppData\Roaming\5F948\83FB.F94

Filesize
600B

MD5
6a00d92806a9c0d5153b4aa79ae309af

SHA1
c3b690629b65d4e4cd38b6ca2db49f2085bfbd95

SHA256
16004eb5e593d0f2cf823b5b372aa1cdebca0942a2cf041a666cbca45695e719

SHA512
11c4ee033208a13fe947dc658c55f71fb8011f9f1e1e75eb24cb706aabde99757a72cb0e527a910cb702045cb162c433cee4f5db632fd9d88ccfcc47b7d866dc

Download Submit
C:\Users\Admin\AppData\Roaming\5F948\83FB.F94

Filesize
996B

MD5
10c3c0b249ec202b1558bfec18070cde

SHA1
981361dba40fd7a48d9d4666726e4914f75043d6

SHA256
d98e5f3b8217907a9be40cec32e6dd712f1ece81f7e9b2e69fd89e6f26e5ba13

SHA512
f3805e35f9a8a68e218bcb069cc9530c4cf0f892e0e0ff390c980d95b4c069702ae76adeae0b8e1268aac50fea11f0c2bf27f2504d8ad792ff2ba038a5778a5b

Download Submit
memory/2212-79-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2212-78-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2212-77-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3568-13-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/3568-14-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3568-1-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/3568-2-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3568-180-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4440-12-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4440-11-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download

Analysis

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