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 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/2812-14-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/2660-15-0x0000000000400000-0x0000000000451000-memory.dmp	family_cycbot
behavioral1/memory/2660-16-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/2128-79-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/2660-178-0x0000000000400000-0x0000000000454000-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

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2660-2-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2812-12-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2812-14-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2660-15-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2660-16-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2128-79-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2660-178-0x0000000000400000-0x0000000000454000-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	6061e1667bdb5299cdc7ca7fa6b82641291d8e6a3cffe42077487400188b1a4fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6061e1667bdb5299cdc7ca7fa6b82641291d8e6a3cffe42077487400188b1a4fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6061e1667bdb5299cdc7ca7fa6b82641291d8e6a3cffe42077487400188b1a4fN.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2660 wrote to memory of 2812	2660	6061e1667bdb5299cdc7ca7fa6b82641291d8e6a3cffe42077487400188b1a4fN.exe	30
PID 2660 wrote to memory of 2812	2660	6061e1667bdb5299cdc7ca7fa6b82641291d8e6a3cffe42077487400188b1a4fN.exe	30
PID 2660 wrote to memory of 2812	2660	6061e1667bdb5299cdc7ca7fa6b82641291d8e6a3cffe42077487400188b1a4fN.exe	30
PID 2660 wrote to memory of 2812	2660	6061e1667bdb5299cdc7ca7fa6b82641291d8e6a3cffe42077487400188b1a4fN.exe	30
PID 2660 wrote to memory of 2128	2660	6061e1667bdb5299cdc7ca7fa6b82641291d8e6a3cffe42077487400188b1a4fN.exe	32
PID 2660 wrote to memory of 2128	2660	6061e1667bdb5299cdc7ca7fa6b82641291d8e6a3cffe42077487400188b1a4fN.exe	32
PID 2660 wrote to memory of 2128	2660	6061e1667bdb5299cdc7ca7fa6b82641291d8e6a3cffe42077487400188b1a4fN.exe	32
PID 2660 wrote to memory of 2128	2660	6061e1667bdb5299cdc7ca7fa6b82641291d8e6a3cffe42077487400188b1a4fN.exe	32

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:2660
- C:\Users\Admin\AppData\Local\Temp\6061e1667bdb5299cdc7ca7fa6b82641291d8e6a3cffe42077487400188b1a4fN.exe
  C:\Users\Admin\AppData\Local\Temp\6061e1667bdb5299cdc7ca7fa6b82641291d8e6a3cffe42077487400188b1a4fN.exe startC:\Program Files (x86)\LP\1A3A\95C.exe%C:\Program Files (x86)\LP\1A3A
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2812
- C:\Users\Admin\AppData\Local\Temp\6061e1667bdb5299cdc7ca7fa6b82641291d8e6a3cffe42077487400188b1a4fN.exe
  C:\Users\Admin\AppData\Local\Temp\6061e1667bdb5299cdc7ca7fa6b82641291d8e6a3cffe42077487400188b1a4fN.exe startC:\Users\Admin\AppData\Roaming\A4FE6\7D81A.exe%C:\Users\Admin\AppData\Roaming\A4FE6
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2128

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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\A4FE6\6277.4FE

Filesize
1KB

MD5
2b5110101a82e99bc801b97618a23817

SHA1
fb4d565fe273eab7a59a2b7b97bafdf13bf10c2c

SHA256
d7aa0165b8410f8c75f6228ceb4b38c6c5634c77aa1014ae105dd570039a7af3

SHA512
7cedaeadc869dc3d2dd085ed569af5def4ea27bfdd3e1c5f30c3f181b2ed73aab0896eec48a6346e9044ad63cb665feed6767fbbb73dfd4f5d05460ba9055882

Download Submit
C:\Users\Admin\AppData\Roaming\A4FE6\6277.4FE

Filesize
600B

MD5
ef79d033eb80a08fb3f877c8a42ba19b

SHA1
702490b7f336a1c967dd514b23e7622f5452ab52

SHA256
7db0defe36478a063ccd75d8a49c27cbc6e0f51a60f5ac662ac2bf318ccc64ab

SHA512
8a1ab14147196024128990b3f7ebe8ef4f3ea0eaa57d5087cdd5815c9fb8916a0f342c30b7b9a1bfc84c99bd9e60079c4f1c63e31bf9fac22e240207f2b6ee72

Download Submit
C:\Users\Admin\AppData\Roaming\A4FE6\6277.4FE

Filesize
996B

MD5
ea229b0254d029ba00f0fa44842f7ab2

SHA1
e131f7ec73ede8f49ba9a4c6ff14866541433731

SHA256
c58abe753f76ec2caabaf48fdd80c3968f257e0fb6d740448bafc9487bae5dca

SHA512
138175ad28bf9f3446c19d88cf93bc02bf95bcc6a728f66bd28c8aa7340116225d755df4a4147c8792b640dfaaca45ee476d4125028d439d105db88d753b4fb8

Download Submit
memory/2128-79-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2660-1-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2660-2-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2660-15-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2660-16-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2660-178-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2812-11-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2812-12-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2812-14-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download

Analysis

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