cycbot | 6061e1667bdb5299cdc7ca7fa6b82641291d8e6a3cffe42077487400188b1a4f

General

Target

6061e1667bdb5299cdc7ca7fa6b82641291d8e6a3cffe42077487400188b1a4fN.exe
Size

183KB
MD5

1e810f8abdfb7723631cce9584e0aa30
SHA1

371dbee5f957f0c753befd029ca1279c83889a62
SHA256

6061e1667bdb5299cdc7ca7fa6b82641291d8e6a3cffe42077487400188b1a4f
SHA512

684d94c81e329db2d222b18e1dc03a5b8f93d2899701b51bdc1d4cded93a77463c4f73bb535aacd6961d4bba2f15471cf71d2b57f3b737d4b70ce934821405b7
SSDEEP

3072:YengzC/YgWeTc+rCgiI0Qk9LFcuIiWq33YrK05saI9PB7TOcgZ7rQSJIhtm:YenoC/YgtTcKCzIbgJlaqYJCtxbFb

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/3432-12-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral2/memory/4596-13-0x0000000000400000-0x0000000000451000-memory.dmp	family_cycbot
behavioral2/memory/4596-14-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral2/memory/4996-77-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral2/memory/4596-176-0x0000000000400000-0x0000000000454000-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/4596-2-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3432-11-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3432-12-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4596-13-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/4596-14-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4996-76-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4996-77-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4596-176-0x0000000000400000-0x0000000000454000-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	6061e1667bdb5299cdc7ca7fa6b82641291d8e6a3cffe42077487400188b1a4fN.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4596 wrote to memory of 3432	4596	6061e1667bdb5299cdc7ca7fa6b82641291d8e6a3cffe42077487400188b1a4fN.exe	84
PID 4596 wrote to memory of 3432	4596	6061e1667bdb5299cdc7ca7fa6b82641291d8e6a3cffe42077487400188b1a4fN.exe	84
PID 4596 wrote to memory of 3432	4596	6061e1667bdb5299cdc7ca7fa6b82641291d8e6a3cffe42077487400188b1a4fN.exe	84
PID 4596 wrote to memory of 4996	4596	6061e1667bdb5299cdc7ca7fa6b82641291d8e6a3cffe42077487400188b1a4fN.exe	86
PID 4596 wrote to memory of 4996	4596	6061e1667bdb5299cdc7ca7fa6b82641291d8e6a3cffe42077487400188b1a4fN.exe	86
PID 4596 wrote to memory of 4996	4596	6061e1667bdb5299cdc7ca7fa6b82641291d8e6a3cffe42077487400188b1a4fN.exe	86

C:\Users\Admin\AppData\Local\Temp\6061e1667bdb5299cdc7ca7fa6b82641291d8e6a3cffe42077487400188b1a4fN.exe
"C:\Users\Admin\AppData\Local\Temp\6061e1667bdb5299cdc7ca7fa6b82641291d8e6a3cffe42077487400188b1a4fN.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4596
- C:\Users\Admin\AppData\Local\Temp\6061e1667bdb5299cdc7ca7fa6b82641291d8e6a3cffe42077487400188b1a4fN.exe
  C:\Users\Admin\AppData\Local\Temp\6061e1667bdb5299cdc7ca7fa6b82641291d8e6a3cffe42077487400188b1a4fN.exe startC:\Program Files (x86)\LP\B966\F53.exe%C:\Program Files (x86)\LP\B966
  2⤵
  PID:3432
- C:\Users\Admin\AppData\Local\Temp\6061e1667bdb5299cdc7ca7fa6b82641291d8e6a3cffe42077487400188b1a4fN.exe
  C:\Users\Admin\AppData\Local\Temp\6061e1667bdb5299cdc7ca7fa6b82641291d8e6a3cffe42077487400188b1a4fN.exe startC:\Users\Admin\AppData\Roaming\62914\E54B9.exe%C:\Users\Admin\AppData\Roaming\62914
  2⤵
  PID:4996

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\62914\4454.291

Filesize
1KB

MD5
b0899cbee3bab1ac1f560fc5a238e29b

SHA1
b38ca7c96248bccfb332af4a4d17c8e440e4a86e

SHA256
fe13b4229aa3688adac23cb0af7cd34f65e8237cf15568c167d2b52e09c2ab06

SHA512
b2bb9101c9e7c63b678ad348ab68e3baf483b6cc4843166dbcd3eb52771bc641cf1c8968f49025a0070f064fa2b8873aa95eddc127e8fa1eb18a6c790b5b71a3

Download Submit
C:\Users\Admin\AppData\Roaming\62914\4454.291

Filesize
600B

MD5
685883e9055fbfb4e818733fe89f5d33

SHA1
3e64c2508b26452a1138dcff259d00a1c5fad219

SHA256
abbdd341bebabfad3bc906258ac2cee5f4917d0c687737c6ac61e70c5efb8c19

SHA512
4cc164f58856966b0ae10c5593dadc1c350441f2e96f837ab00014da09b33a80041f128663f6fd4237189e66bc1ffebe5d21d14d49e6265f86b4bf888c033067

Download Submit
C:\Users\Admin\AppData\Roaming\62914\4454.291

Filesize
996B

MD5
cbcd603301415a0abf54857951909660

SHA1
d0920c28b471d0e1de2a6134bc5acd5e15e98398

SHA256
a04016765a187cb4c9f387ddfdeea738be6c0b0551bad7d65901c14266797e9c

SHA512
766bcec85279def675fcff89a805cef566a8e19e6073995d8f6e3d47edbe863d5b6c5eb648f0acd1b1e831dda336d31d57915d192e720ffcff2128b477b81043

Download Submit
memory/3432-12-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3432-11-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4596-13-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4596-14-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4596-1-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4596-2-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4596-176-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4996-76-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4996-75-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4996-77-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download

Analysis

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