4c7081148a218b609dca62b2ce1106e4a2e075671b0fb64352056cd6e58e7873

General

Target

infected/best-setup_FLc4rckO.exe
Size

5.0MB
MD5

c528c3d6799af4bf0dfc38e9b549fb75
SHA1

489837e49d9f655f8adbd8a7bd9929fefed3679b
SHA256

ec08d9c7f34da0f45d1c5d6419e4705e18cb75912f7afc6a46c967cc3c1ed603
SHA512

b79c1179dbfda1bc1a1f348c21d37c646ca0641a74938990eb1ad77bd560fd4f4ce466a83898161a7942304b0c6ae65566646ed81e544f17a66abaf283ca6538
SSDEEP

98304:xbUPREbmFZgVTVr38OMVyYow2JsOnPtTvxtWXdqqMU00tBh+0HdSzvCC6vgtuZ:dUPREGyr38HVyY2xljx1XPW7Y7Cd4tuZ

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
4736	best-setup_FLc4rckO.tmp
1140	RegOrganizerAgent.exe
3744	RegOrganizerAgent.exe

Loads dropped DLL 1 IoCs

pid	Process
4736	best-setup_FLc4rckO.tmp

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

Drops file in Program Files directory 26 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Reg Organizer\is-3S43O.tmp	best-setup_FLc4rckO.tmp
File created	C:\Program Files (x86)\Reg Organizer\is-FQ0UM.tmp	best-setup_FLc4rckO.tmp
File opened for modification	C:\Program Files (x86)\Reg Organizer\unins000.dat	best-setup_FLc4rckO.tmp
File created	C:\Program Files (x86)\Reg Organizer\is-M3QBF.tmp	best-setup_FLc4rckO.tmp
File created	C:\Program Files (x86)\Reg Organizer\is-GD72F.tmp	best-setup_FLc4rckO.tmp
File created	C:\Program Files (x86)\Reg Organizer\is-SM02O.tmp	best-setup_FLc4rckO.tmp
File created	C:\Program Files (x86)\Reg Organizer\is-OQLOK.tmp	best-setup_FLc4rckO.tmp
File created	C:\Program Files (x86)\Reg Organizer\is-P9V4N.tmp	best-setup_FLc4rckO.tmp
File created	C:\Program Files (x86)\Reg Organizer\is-5FNTF.tmp	best-setup_FLc4rckO.tmp
File created	C:\Program Files (x86)\Reg Organizer\is-1A8PJ.tmp	best-setup_FLc4rckO.tmp
File created	C:\Program Files (x86)\Reg Organizer\is-596IT.tmp	best-setup_FLc4rckO.tmp
File created	C:\Program Files (x86)\Reg Organizer\is-824EV.tmp	best-setup_FLc4rckO.tmp
File created	C:\Program Files (x86)\Reg Organizer\is-8POKR.tmp	best-setup_FLc4rckO.tmp
File created	C:\Program Files (x86)\Reg Organizer\is-K9CO3.tmp	best-setup_FLc4rckO.tmp
File created	C:\Program Files (x86)\Reg Organizer\Languages\is-CSBLS.tmp	best-setup_FLc4rckO.tmp
File opened for modification	C:\Program Files (x86)\Reg Organizer\RegOrganizerAgent.exe	best-setup_FLc4rckO.tmp
File created	C:\Program Files (x86)\Reg Organizer\is-TT413.tmp	best-setup_FLc4rckO.tmp
File created	C:\Program Files (x86)\Reg Organizer\Documentation\English\is-ILGJ4.tmp	best-setup_FLc4rckO.tmp
File created	C:\Program Files (x86)\Reg Organizer\is-FU1UR.tmp	best-setup_FLc4rckO.tmp
File created	C:\Program Files (x86)\Reg Organizer\Documentation\Russian\is-JA3QB.tmp	best-setup_FLc4rckO.tmp
File created	C:\Program Files (x86)\Reg Organizer\is-DP1GR.tmp	best-setup_FLc4rckO.tmp
File created	C:\Program Files (x86)\Reg Organizer\unins000.dat	best-setup_FLc4rckO.tmp
File created	C:\Program Files (x86)\Reg Organizer\is-ME13J.tmp	best-setup_FLc4rckO.tmp
File created	C:\Program Files (x86)\Reg Organizer\is-0BE7E.tmp	best-setup_FLc4rckO.tmp
File created	C:\Program Files (x86)\Reg Organizer\is-0O46C.tmp	best-setup_FLc4rckO.tmp
File created	C:\Program Files (x86)\Reg Organizer\is-0QI07.tmp	best-setup_FLc4rckO.tmp

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

System Information Discovery
T1082

Program crash 3 IoCs

pid	pid_target	Process	procid_target
3188	1140	WerFault.exe	89
1108	1140	WerFault.exe	89
1332	3744	WerFault.exe	98

System Location Discovery: System Language Discovery 1 TTPs 5 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	best-setup_FLc4rckO.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegOrganizerAgent.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegOrganizerAgent.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	best-setup_FLc4rckO.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 5088 wrote to memory of 4736	5088	best-setup_FLc4rckO.exe	86
PID 5088 wrote to memory of 4736	5088	best-setup_FLc4rckO.exe	86
PID 5088 wrote to memory of 4736	5088	best-setup_FLc4rckO.exe	86
PID 4736 wrote to memory of 1140	4736	best-setup_FLc4rckO.tmp	89
PID 4736 wrote to memory of 1140	4736	best-setup_FLc4rckO.tmp	89
PID 4736 wrote to memory of 1140	4736	best-setup_FLc4rckO.tmp	89
PID 4736 wrote to memory of 4688	4736	best-setup_FLc4rckO.tmp	97
PID 4736 wrote to memory of 4688	4736	best-setup_FLc4rckO.tmp	97
PID 4736 wrote to memory of 4688	4736	best-setup_FLc4rckO.tmp	97
PID 4736 wrote to memory of 3744	4736	best-setup_FLc4rckO.tmp	98
PID 4736 wrote to memory of 3744	4736	best-setup_FLc4rckO.tmp	98
PID 4736 wrote to memory of 3744	4736	best-setup_FLc4rckO.tmp	98

C:\Users\Admin\AppData\Local\Temp\infected\best-setup_FLc4rckO.exe
"C:\Users\Admin\AppData\Local\Temp\infected\best-setup_FLc4rckO.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5088
- C:\Users\Admin\AppData\Local\Temp\is-SJAD2.tmp\best-setup_FLc4rckO.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-SJAD2.tmp\best-setup_FLc4rckO.tmp" /SL5="$D025E,4965743,52224,C:\Users\Admin\AppData\Local\Temp\infected\best-setup_FLc4rckO.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4736
- - C:\Program Files (x86)\Reg Organizer\RegOrganizerAgent.exe
    "C:\Program Files (x86)\Reg Organizer\RegOrganizerAgent.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1140
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1140 -s 612
      4⤵
      Program crash
      PID:3188
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1140 -s 140
      4⤵
      Program crash
      PID:1108
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\system32\schtasks.exe" /Delete /F /TN "Reg Organizer 6"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4688
- - C:\Program Files (x86)\Reg Organizer\RegOrganizerAgent.exe
    "C:\Program Files (x86)\Reg Organizer\RegOrganizerAgent.exe" ad9ff40ab2841a8973dbdb0a6dca746b
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3744
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3744 -s 836
      4⤵
      Program crash
      PID:1332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1140 -ip 1140
1⤵
PID:1376

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1140 -ip 1140
1⤵
PID:4864

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3744 -ip 3744
1⤵
PID:2904

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

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:\Program Files (x86)\Reg Organizer\RegOrganizerAgent.exe

Filesize
3.6MB

MD5
b8aa5a417e4954313a8001e72e66e51c

SHA1
672ee46f694277cc72dd5671baa1d22a6e3482b7

SHA256
ef3e8c0ad06d7c0310d862bccdd5d058f8c1b9d91ca3214c1a8239ec57733308

SHA512
5084940d52454e6d819b3b4bca553e08cffb01da11bfbf6acdf1db867b662906d5f4ece0f5b60e370c53b80e783ddfda826689550e2b166cb8baec211bfe4be2

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-G27A1.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-SJAD2.tmp\best-setup_FLc4rckO.tmp

Filesize
675KB

MD5
f37fc9007d7cac6c71bfc69921887808

SHA1
ca60cb48048e3bd66919205fadf3be9b54b0ddfd

SHA256
f124fd180f1d91fb12f9d5df6f83faa3bba46bca37e6a5f8fb27022338231c53

SHA512
3c79e686cfbb8b7ce2a02b2b6a28403e63707164b1912ef550e629a29f26b2054f26f495ad6554a154cdf7e43dbf537fdd9b4bd0ad90916830438b5a6c567cd9

Download Submit
memory/1140-70-0x0000000000400000-0x000000000158E000-memory.dmp

Filesize
17.6MB

Download
memory/1140-67-0x0000000000400000-0x000000000158E000-memory.dmp

Filesize
17.6MB

Download
memory/1140-68-0x0000000000400000-0x000000000158E000-memory.dmp

Filesize
17.6MB

Download
memory/1140-69-0x0000000000400000-0x000000000158E000-memory.dmp

Filesize
17.6MB

Download
memory/3744-77-0x0000000000400000-0x000000000158E000-memory.dmp

Filesize
17.6MB

Download
memory/4736-16-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/4736-74-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/5088-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5088-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/5088-75-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

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