colibri | 1b985ca2f29c8079d6fe60804a838989582e11724e7b1ab75f393f01b941806d

Analysis

max time kernel
126s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
resource tags

arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
submitted
09/08/2022, 07:26

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General

Target
1b985ca2f29c8079d6fe60804a838989582e11724e7b1ab75f393f01b941806d.exe
Size 708KB
Sample220809-h9wassehbq
SHA256 1b985ca2f29c8079d6fe60804a838989582e11724e7b1ab75f393f01b941806d
MD5 d952bdc073ff3deb4bcc3cb96cbacd01
SHA1 6d283b4acf37dcea8d9f62cf09ddf5deb5c6c5cd
SHA512 19781a2787e53c89d7006aba1f68047fabaf74e18d13b081df18498a677d68518a62c8c41d21770999ef770a89ae88a7bdc0b8dcc197262b109b24160d974974
MD5 SHA1 SHA512

Score

10^/10

colibri build1 discovery loader spyware stealer

Malware Config

Extracted

Family

colibri

Version

1.2.0

Botnet

Build1

http://zpltcmgodhvvedxtfcygvbgjkvgvcguygytfigj.cc/gate.php
http://yugyuvyugguitgyuigtfyutdtoghghbbgyv.cx/gate.php

Signatures

Colibri Loader
A loader sold as MaaS first seen in August 2021.
loader colibri

Executes dropped EXE 6 IoCs

pid	Process
3868	conhost.exe
1932	conhost.exe
2164	Get-Variable.exe
2032	Get-Variable.exe
2368	Get-Variable.exe
1988	Get-Variable.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Control Panel\International\Geo\Nation	1b985ca2f29c8079d6fe60804a838989582e11724e7b1ab75f393f01b941806d.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1596 set thread context of 1688	1596	1b985ca2f29c8079d6fe60804a838989582e11724e7b1ab75f393f01b941806d.exe	83
PID 3868 set thread context of 1932	3868	conhost.exe	84
PID 2164 set thread context of 2032	2164	Get-Variable.exe	101
PID 2368 set thread context of 1988	2368	Get-Variable.exe	109

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	1b985ca2f29c8079d6fe60804a838989582e11724e7b1ab75f393f01b941806d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	1b985ca2f29c8079d6fe60804a838989582e11724e7b1ab75f393f01b941806d.exe

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
3404	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
572	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
176	taskkill.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1688	1b985ca2f29c8079d6fe60804a838989582e11724e7b1ab75f393f01b941806d.exe
1688	1b985ca2f29c8079d6fe60804a838989582e11724e7b1ab75f393f01b941806d.exe
2452	powershell.exe
2452	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	176	taskkill.exe
Token: SeDebugPrivilege	2452	powershell.exe

Suspicious use of WriteProcessMemory 51 IoCs

description	pid	Process	procid_target
PID 1596 wrote to memory of 3868	1596	1b985ca2f29c8079d6fe60804a838989582e11724e7b1ab75f393f01b941806d.exe	82
PID 1596 wrote to memory of 3868	1596	1b985ca2f29c8079d6fe60804a838989582e11724e7b1ab75f393f01b941806d.exe	82
PID 1596 wrote to memory of 3868	1596	1b985ca2f29c8079d6fe60804a838989582e11724e7b1ab75f393f01b941806d.exe	82
PID 1596 wrote to memory of 1688	1596	1b985ca2f29c8079d6fe60804a838989582e11724e7b1ab75f393f01b941806d.exe	83
PID 1596 wrote to memory of 1688	1596	1b985ca2f29c8079d6fe60804a838989582e11724e7b1ab75f393f01b941806d.exe	83
PID 1596 wrote to memory of 1688	1596	1b985ca2f29c8079d6fe60804a838989582e11724e7b1ab75f393f01b941806d.exe	83
PID 3868 wrote to memory of 1932	3868	conhost.exe	84
PID 3868 wrote to memory of 1932	3868	conhost.exe	84
PID 3868 wrote to memory of 1932	3868	conhost.exe	84
PID 1596 wrote to memory of 1688	1596	1b985ca2f29c8079d6fe60804a838989582e11724e7b1ab75f393f01b941806d.exe	83
PID 1596 wrote to memory of 1688	1596	1b985ca2f29c8079d6fe60804a838989582e11724e7b1ab75f393f01b941806d.exe	83
PID 1596 wrote to memory of 1688	1596	1b985ca2f29c8079d6fe60804a838989582e11724e7b1ab75f393f01b941806d.exe	83
PID 1596 wrote to memory of 1688	1596	1b985ca2f29c8079d6fe60804a838989582e11724e7b1ab75f393f01b941806d.exe	83
PID 1596 wrote to memory of 1688	1596	1b985ca2f29c8079d6fe60804a838989582e11724e7b1ab75f393f01b941806d.exe	83
PID 1596 wrote to memory of 1688	1596	1b985ca2f29c8079d6fe60804a838989582e11724e7b1ab75f393f01b941806d.exe	83
PID 3868 wrote to memory of 1932	3868	conhost.exe	84
PID 3868 wrote to memory of 1932	3868	conhost.exe	84
PID 3868 wrote to memory of 1932	3868	conhost.exe	84
PID 3868 wrote to memory of 1932	3868	conhost.exe	84
PID 1688 wrote to memory of 1188	1688	1b985ca2f29c8079d6fe60804a838989582e11724e7b1ab75f393f01b941806d.exe	87
PID 1688 wrote to memory of 1188	1688	1b985ca2f29c8079d6fe60804a838989582e11724e7b1ab75f393f01b941806d.exe	87
PID 1688 wrote to memory of 1188	1688	1b985ca2f29c8079d6fe60804a838989582e11724e7b1ab75f393f01b941806d.exe	87
PID 1188 wrote to memory of 176	1188	cmd.exe	89
PID 1188 wrote to memory of 176	1188	cmd.exe	89
PID 1188 wrote to memory of 176	1188	cmd.exe	89
PID 1188 wrote to memory of 572	1188	cmd.exe	90
PID 1188 wrote to memory of 572	1188	cmd.exe	90
PID 1188 wrote to memory of 572	1188	cmd.exe	90
PID 1932 wrote to memory of 3404	1932	conhost.exe	99
PID 1932 wrote to memory of 3404	1932	conhost.exe	99
PID 1932 wrote to memory of 3404	1932	conhost.exe	99
PID 1932 wrote to memory of 2164	1932	conhost.exe	100
PID 1932 wrote to memory of 2164	1932	conhost.exe	100
PID 1932 wrote to memory of 2164	1932	conhost.exe	100
PID 2164 wrote to memory of 2032	2164	Get-Variable.exe	101
PID 2164 wrote to memory of 2032	2164	Get-Variable.exe	101
PID 2164 wrote to memory of 2032	2164	Get-Variable.exe	101
PID 2164 wrote to memory of 2032	2164	Get-Variable.exe	101
PID 2164 wrote to memory of 2032	2164	Get-Variable.exe	101
PID 2164 wrote to memory of 2032	2164	Get-Variable.exe	101
PID 2164 wrote to memory of 2032	2164	Get-Variable.exe	101
PID 2452 wrote to memory of 2368	2452	powershell.exe	108
PID 2452 wrote to memory of 2368	2452	powershell.exe	108
PID 2452 wrote to memory of 2368	2452	powershell.exe	108
PID 2368 wrote to memory of 1988	2368	Get-Variable.exe	109
PID 2368 wrote to memory of 1988	2368	Get-Variable.exe	109
PID 2368 wrote to memory of 1988	2368	Get-Variable.exe	109
PID 2368 wrote to memory of 1988	2368	Get-Variable.exe	109
PID 2368 wrote to memory of 1988	2368	Get-Variable.exe	109
PID 2368 wrote to memory of 1988	2368	Get-Variable.exe	109
PID 2368 wrote to memory of 1988	2368	Get-Variable.exe	109

C:\Users\Admin\AppData\Local\Temp\1b985ca2f29c8079d6fe60804a838989582e11724e7b1ab75f393f01b941806d.exe
"C:\Users\Admin\AppData\Local\Temp\1b985ca2f29c8079d6fe60804a838989582e11724e7b1ab75f393f01b941806d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1596
- C:\ProgramData\conhost.exe
  "C:\ProgramData\conhost.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:3868
- - C:\ProgramData\conhost.exe
    "C:\ProgramData\conhost.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:1932
  - - C:\Windows\SysWOW64\schtasks.exe
      /create /tn COMSurrogate /st 00:00 /du 9999:59 /sc once /ri 1 /f /tr "powershell.exe -windowstyle hidden"
      4⤵
      Creates scheduled task(s)
      PID:3404
  - - C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\Get-Variable.exe
      "C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\Get-Variable.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious use of WriteProcessMemory
      PID:2164
    - - C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\Get-Variable.exe
        
        "C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\Get-Variable.exe"
        5⤵
        Executes dropped EXE
        
        PID:2032
- C:\Users\Admin\AppData\Local\Temp\1b985ca2f29c8079d6fe60804a838989582e11724e7b1ab75f393f01b941806d.exe
  "C:\Users\Admin\AppData\Local\Temp\1b985ca2f29c8079d6fe60804a838989582e11724e7b1ab75f393f01b941806d.exe"
  2⤵
  - Checks computer location settings
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1688
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c taskkill /im 1b985ca2f29c8079d6fe60804a838989582e11724e7b1ab75f393f01b941806d.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\1b985ca2f29c8079d6fe60804a838989582e11724e7b1ab75f393f01b941806d.exe" & del C:\PrograData\*.dll & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1188
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /im 1b985ca2f29c8079d6fe60804a838989582e11724e7b1ab75f393f01b941806d.exe /f
      4⤵
      Kills process with taskkill
      Suspicious use of AdjustPrivilegeToken
      PID:176
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 6
      4⤵
      Delays execution with timeout.exe
      PID:572

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -windowstyle hidden
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2452
- C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\Get-Variable.exe
  "C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\Get-Variable.exe" Name host ValueOnly True
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2368
- - C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\Get-Variable.exe
    "C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\Get-Variable.exe"
    3⤵
    - Executes dropped EXE
    PID:1988

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

conhost.exe

Path C:\ProgramData\conhost.exe
Size 52KB
SHA256 aa2d97b5be06be67ec04774ad681da6113ee2b4929c0539929bbac19926682c8
MD5 d8e1495b46cded57eb1423b8bb789834
SHA1 db64bc20550e51c602dbb92d07c8f02842efebcc
SHA512 8b785d7f8d5fdf12dd9a5414050d403e861fd3f9ac09bceebc57b2f178c6f145389783ed1035b5e6f9b627b3d4d978f3ad9bf8195d92e20f585ef92667e4cabb
SSDEEP 768:kbx1xSQBLHSq0ItD/hf3aLFLPnWQUQ7x6ziT:kb5SyHRJD/hf3aLlKcxeiT
MD5 SHA1 SHA512 SSDEEP

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conhost.exe

Path C:\ProgramData\conhost.exe
Size 52KB
SHA256 aa2d97b5be06be67ec04774ad681da6113ee2b4929c0539929bbac19926682c8
MD5 d8e1495b46cded57eb1423b8bb789834
SHA1 db64bc20550e51c602dbb92d07c8f02842efebcc
SHA512 8b785d7f8d5fdf12dd9a5414050d403e861fd3f9ac09bceebc57b2f178c6f145389783ed1035b5e6f9b627b3d4d978f3ad9bf8195d92e20f585ef92667e4cabb
SSDEEP 768:kbx1xSQBLHSq0ItD/hf3aLFLPnWQUQ7x6ziT:kb5SyHRJD/hf3aLlKcxeiT
MD5 SHA1 SHA512 SSDEEP

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conhost.exe

Path C:\ProgramData\conhost.exe
Size 52KB
SHA256 aa2d97b5be06be67ec04774ad681da6113ee2b4929c0539929bbac19926682c8
MD5 d8e1495b46cded57eb1423b8bb789834
SHA1 db64bc20550e51c602dbb92d07c8f02842efebcc
SHA512 8b785d7f8d5fdf12dd9a5414050d403e861fd3f9ac09bceebc57b2f178c6f145389783ed1035b5e6f9b627b3d4d978f3ad9bf8195d92e20f585ef92667e4cabb
SSDEEP 768:kbx1xSQBLHSq0ItD/hf3aLFLPnWQUQ7x6ziT:kb5SyHRJD/hf3aLlKcxeiT
MD5 SHA1 SHA512 SSDEEP

Submit Download

Get-Variable.exe

Path C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\Get-Variable.exe
Size 52KB
SHA256 aa2d97b5be06be67ec04774ad681da6113ee2b4929c0539929bbac19926682c8
MD5 d8e1495b46cded57eb1423b8bb789834
SHA1 db64bc20550e51c602dbb92d07c8f02842efebcc
SHA512 8b785d7f8d5fdf12dd9a5414050d403e861fd3f9ac09bceebc57b2f178c6f145389783ed1035b5e6f9b627b3d4d978f3ad9bf8195d92e20f585ef92667e4cabb
SSDEEP 768:kbx1xSQBLHSq0ItD/hf3aLFLPnWQUQ7x6ziT:kb5SyHRJD/hf3aLlKcxeiT
MD5 SHA1 SHA512 SSDEEP

Submit Download

Get-Variable.exe

Path C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\Get-Variable.exe
Size 52KB
SHA256 aa2d97b5be06be67ec04774ad681da6113ee2b4929c0539929bbac19926682c8
MD5 d8e1495b46cded57eb1423b8bb789834
SHA1 db64bc20550e51c602dbb92d07c8f02842efebcc
SHA512 8b785d7f8d5fdf12dd9a5414050d403e861fd3f9ac09bceebc57b2f178c6f145389783ed1035b5e6f9b627b3d4d978f3ad9bf8195d92e20f585ef92667e4cabb
SSDEEP 768:kbx1xSQBLHSq0ItD/hf3aLFLPnWQUQ7x6ziT:kb5SyHRJD/hf3aLlKcxeiT
MD5 SHA1 SHA512 SSDEEP

Submit Download

Get-Variable.exe

Path C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\Get-Variable.exe
Size 52KB
SHA256 aa2d97b5be06be67ec04774ad681da6113ee2b4929c0539929bbac19926682c8
MD5 d8e1495b46cded57eb1423b8bb789834
SHA1 db64bc20550e51c602dbb92d07c8f02842efebcc
SHA512 8b785d7f8d5fdf12dd9a5414050d403e861fd3f9ac09bceebc57b2f178c6f145389783ed1035b5e6f9b627b3d4d978f3ad9bf8195d92e20f585ef92667e4cabb
SSDEEP 768:kbx1xSQBLHSq0ItD/hf3aLFLPnWQUQ7x6ziT:kb5SyHRJD/hf3aLlKcxeiT
MD5 SHA1 SHA512 SSDEEP

Submit Download

Get-Variable.exe

Path C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\Get-Variable.exe
Size 52KB
SHA256 aa2d97b5be06be67ec04774ad681da6113ee2b4929c0539929bbac19926682c8
MD5 d8e1495b46cded57eb1423b8bb789834
SHA1 db64bc20550e51c602dbb92d07c8f02842efebcc
SHA512 8b785d7f8d5fdf12dd9a5414050d403e861fd3f9ac09bceebc57b2f178c6f145389783ed1035b5e6f9b627b3d4d978f3ad9bf8195d92e20f585ef92667e4cabb
SSDEEP 768:kbx1xSQBLHSq0ItD/hf3aLFLPnWQUQ7x6ziT:kb5SyHRJD/hf3aLlKcxeiT
MD5 SHA1 SHA512 SSDEEP

Submit Download

Get-Variable.exe

Path C:\Users\Admin\AppData\Local\Microsoft\WindowsApps\Get-Variable.exe
Size 52KB
SHA256 aa2d97b5be06be67ec04774ad681da6113ee2b4929c0539929bbac19926682c8
MD5 d8e1495b46cded57eb1423b8bb789834
SHA1 db64bc20550e51c602dbb92d07c8f02842efebcc
SHA512 8b785d7f8d5fdf12dd9a5414050d403e861fd3f9ac09bceebc57b2f178c6f145389783ed1035b5e6f9b627b3d4d978f3ad9bf8195d92e20f585ef92667e4cabb
SSDEEP 768:kbx1xSQBLHSq0ItD/hf3aLFLPnWQUQ7x6ziT:kb5SyHRJD/hf3aLlKcxeiT
MD5 SHA1 SHA512 SSDEEP

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memory/1688-142-0x0000000060900000-0x0000000060992000-memory.dmp

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memory/1688-141-0x0000000000400000-0x000000000045E000-memory.dmp

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memory/1688-162-0x0000000000400000-0x000000000045E000-memory.dmp

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memory/1688-135-0x0000000000400000-0x000000000045E000-memory.dmp

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memory/1688-139-0x0000000000400000-0x000000000045E000-memory.dmp

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memory/1688-138-0x0000000000400000-0x000000000045E000-memory.dmp

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memory/1932-136-0x0000000000400000-0x0000000000407000-memory.dmp

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memory/1932-140-0x0000000000400000-0x0000000000407000-memory.dmp

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memory/1932-170-0x0000000000400000-0x0000000000407000-memory.dmp

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memory/1932-165-0x0000000000400000-0x0000000000407000-memory.dmp

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memory/2032-175-0x0000000000400000-0x0000000000407000-memory.dmp

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memory/2164-173-0x0000000000E85000-0x0000000000E87000-memory.dmp

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memory/2368-182-0x00000000011C3000-0x00000000011C9000-memory.dmp

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memory/2452-177-0x00007FF865300000-0x00007FF865DC1000-memory.dmp

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memory/2452-178-0x00000211D2550000-0x00000211D2594000-memory.dmp

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memory/2452-179-0x00000211D2620000-0x00000211D2696000-memory.dmp

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memory/2452-176-0x00000211D2160000-0x00000211D2182000-memory.dmp

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memory/2452-186-0x00007FF865300000-0x00007FF865DC1000-memory.dmp

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