formbook | 5f75a4cd779707129db4deb97e834d4fe3e7d41d576d9a2078b855c790736c74

Analysis

max time kernel
150s
max time network
157s
platform
windows10_x64
resource
win10-en-20210920
submitted
02/11/2021, 09:41

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General

Target
CORMATEX - INQUIRY LIST.exe
Size 455KB
Sample211102-lnr8sshbgl
SHA256 5f75a4cd779707129db4deb97e834d4fe3e7d41d576d9a2078b855c790736c74
MD5 83657e3c15dcfc619e9c23a0aa2b3e80
SHA1 e1325f866acc1f37b64a79895c1a295fe3328d3d
SHA512 5f000d46efea552c7bf184b541fc0a59890614b133d9ed4fcdb952411d91d9ce4f5f07de24796adb59190dbbaeb06dc3044a74057f18ed760d8d86c7e17c270a
MD5 SHA1 SHA512

Score

10^/10

formbook warzonerat cnp0 collection infostealer rat spyware stealer suricata trojan

Malware Config

Extracted

Family

warzonerat

45.137.22.70:4198

Extracted

Family

formbook

Version

Campaign

cnp0

http://www.ccnsv.net/cnp0/

Decoy

jiarenyuanhunlian.com
xquizitelashesnwaxx.com
rentinerie.com
herbalpedia-id.com
openseagames.com
re-swap.com
william-cook.com
segensv.com
versebay.com
brendanlairdsound.com
bypestor.com
hospitaldelpc.net
wwwroadrunnerfinancial.com
waterhammerstudios.com
hustleandbank.photography
secure01bchslogin.com
rarepeperanking.com
greatland.company
happybirthdayjewel.com
raheok.store
citrusarrow.coffee
midwest-oktoberfest.com
dpcuow.com
creativeartsfilmacademy.biz
sse-audio.com
offertasuperfibra.com
gizpsikolojikdanisma.com
7aomoquzb9.com
filthycarproductions.online
fuquba.com
lovinzion.com
istanbulmadencilik.com
treasuretroveofrecipes.com
exploitporbrl.xyz
seneorreward.com
sx-mz.com
mylcsservices.digital
paidimage.xyz
tayyqc.com
congoqueen.com
cerrajerovalls.online
iwasehokenservice.net
chuahoinach.net
savouri.online
brandonjanisieski.com
seo-clicks7.com
aplusvibe.com
incotporate.com
webdyx.com
pit.land
sdnfmrmi.com
skinbluecap.com
maestractiva.com
tianshunhong.com
maddenconstance.com
wonderkdesign.com
keycuracao.com
lebzcl.com
toriyabeblog.com
clicksfrog.com
the22yards.club
peakprocesssolutions.com
sustainabilityreview.com
onceuponawreathde.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
WarzoneRat, AveMaria
WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.
rat infostealer warzonerat
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Formbook Payload 4 IoCs

rat

resource	yara_rule
behavioral2/memory/1624-148-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1624-149-0x000000000041F0D0-mapping.dmp	formbook
behavioral2/memory/1624-155-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3408-160-0x0000000000350000-0x000000000037F000-memory.dmp	formbook

Warzone RAT Payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/1272-125-0x0000000000400000-0x0000000000554000-memory.dmp	warzonerat
behavioral2/memory/1272-126-0x0000000000405CE2-mapping.dmp	warzonerat
behavioral2/memory/1272-127-0x0000000000400000-0x0000000000554000-memory.dmp	warzonerat

Downloads MZ/PE file

Executes dropped EXE 2 IoCs

pid	Process
1152	FmBedbiEI.exe
1624	FmBedbiEI.exe

Loads dropped DLL 6 IoCs

pid	Process
1272	CORMATEX - INQUIRY LIST.exe
1272	CORMATEX - INQUIRY LIST.exe
1272	CORMATEX - INQUIRY LIST.exe
1272	CORMATEX - INQUIRY LIST.exe
1272	CORMATEX - INQUIRY LIST.exe
1272	CORMATEX - INQUIRY LIST.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 Microsoft Outlook profiles 1 TTPs 2 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CORMATEX - INQUIRY LIST.exe
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CORMATEX - INQUIRY LIST.exe

Suspicious use of SetThreadContext 5 IoCs

description	pid	Process	procid_target
PID 3060 set thread context of 1272	3060	CORMATEX - INQUIRY LIST.exe	70
PID 1152 set thread context of 1624	1152	FmBedbiEI.exe	76
PID 1624 set thread context of 3040	1624	FmBedbiEI.exe	9
PID 1624 set thread context of 3040	1624	FmBedbiEI.exe	9
PID 3408 set thread context of 3040	3408	control.exe	9

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

System Information Discovery
T1082

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
1008	schtasks.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

pid	Process
3060	CORMATEX - INQUIRY LIST.exe
3060	CORMATEX - INQUIRY LIST.exe
3060	CORMATEX - INQUIRY LIST.exe
3060	CORMATEX - INQUIRY LIST.exe
1624	FmBedbiEI.exe
1624	FmBedbiEI.exe
1624	FmBedbiEI.exe
1624	FmBedbiEI.exe
1624	FmBedbiEI.exe
1624	FmBedbiEI.exe
3408	control.exe
3408	control.exe
3408	control.exe
3408	control.exe
3408	control.exe
3408	control.exe
3408	control.exe
3408	control.exe
3408	control.exe
3408	control.exe
3408	control.exe
3408	control.exe
3408	control.exe
3408	control.exe
3408	control.exe
3408	control.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1624	FmBedbiEI.exe
1624	FmBedbiEI.exe
1624	FmBedbiEI.exe
1624	FmBedbiEI.exe
3408	control.exe
3408	control.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3060	CORMATEX - INQUIRY LIST.exe
Token: SeDebugPrivilege	1624	FmBedbiEI.exe
Token: SeDebugPrivilege	3408	control.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1272	CORMATEX - INQUIRY LIST.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 3060 wrote to memory of 1008	3060	CORMATEX - INQUIRY LIST.exe	69
PID 3060 wrote to memory of 1008	3060	CORMATEX - INQUIRY LIST.exe	69
PID 3060 wrote to memory of 1008	3060	CORMATEX - INQUIRY LIST.exe	69
PID 3060 wrote to memory of 1272	3060	CORMATEX - INQUIRY LIST.exe	70
PID 3060 wrote to memory of 1272	3060	CORMATEX - INQUIRY LIST.exe	70
PID 3060 wrote to memory of 1272	3060	CORMATEX - INQUIRY LIST.exe	70
PID 3060 wrote to memory of 1272	3060	CORMATEX - INQUIRY LIST.exe	70
PID 3060 wrote to memory of 1272	3060	CORMATEX - INQUIRY LIST.exe	70
PID 3060 wrote to memory of 1272	3060	CORMATEX - INQUIRY LIST.exe	70
PID 3060 wrote to memory of 1272	3060	CORMATEX - INQUIRY LIST.exe	70
PID 3060 wrote to memory of 1272	3060	CORMATEX - INQUIRY LIST.exe	70
PID 3060 wrote to memory of 1272	3060	CORMATEX - INQUIRY LIST.exe	70
PID 3060 wrote to memory of 1272	3060	CORMATEX - INQUIRY LIST.exe	70
PID 3060 wrote to memory of 1272	3060	CORMATEX - INQUIRY LIST.exe	70
PID 1272 wrote to memory of 1152	1272	CORMATEX - INQUIRY LIST.exe	73
PID 1272 wrote to memory of 1152	1272	CORMATEX - INQUIRY LIST.exe	73
PID 1272 wrote to memory of 1152	1272	CORMATEX - INQUIRY LIST.exe	73
PID 1152 wrote to memory of 1624	1152	FmBedbiEI.exe	76
PID 1152 wrote to memory of 1624	1152	FmBedbiEI.exe	76
PID 1152 wrote to memory of 1624	1152	FmBedbiEI.exe	76
PID 1152 wrote to memory of 1624	1152	FmBedbiEI.exe	76
PID 1152 wrote to memory of 1624	1152	FmBedbiEI.exe	76
PID 1152 wrote to memory of 1624	1152	FmBedbiEI.exe	76
PID 1624 wrote to memory of 3408	1624	FmBedbiEI.exe	89
PID 1624 wrote to memory of 3408	1624	FmBedbiEI.exe	89
PID 1624 wrote to memory of 3408	1624	FmBedbiEI.exe	89
PID 3408 wrote to memory of 3560	3408	control.exe	90
PID 3408 wrote to memory of 3560	3408	control.exe	90
PID 3408 wrote to memory of 3560	3408	control.exe	90

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CORMATEX - INQUIRY LIST.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CORMATEX - INQUIRY LIST.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3040
- C:\Users\Admin\AppData\Local\Temp\CORMATEX - INQUIRY LIST.exe
  "C:\Users\Admin\AppData\Local\Temp\CORMATEX - INQUIRY LIST.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3060
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wNsZQPbGemvo" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA4D7.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:1008
- - C:\Users\Admin\AppData\Local\Temp\CORMATEX - INQUIRY LIST.exe
    "C:\Users\Admin\AppData\Local\Temp\CORMATEX - INQUIRY LIST.exe"
    3⤵
    - Loads dropped DLL
    - Accesses Microsoft Outlook profiles
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    - outlook_office_path
    - outlook_win_path
    PID:1272
  - - C:\Users\Admin\AppData\Roaming\FmBedbiEI.exe
      "C:\Users\Admin\AppData\Roaming\FmBedbiEI.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious use of WriteProcessMemory
      PID:1152
    - - C:\Users\Admin\AppData\Roaming\FmBedbiEI.exe
        
        "C:\Users\Admin\AppData\Roaming\FmBedbiEI.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: MapViewOfSection
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:1624
      - C:\Windows\SysWOW64\autoconv.exe
        
        "C:\Windows\SysWOW64\autoconv.exe"
        6⤵
        
        PID:2984
      - C:\Windows\SysWOW64\autoconv.exe
        
        "C:\Windows\SysWOW64\autoconv.exe"
        6⤵
        
        PID:3704
      - C:\Windows\SysWOW64\control.exe
        
        "C:\Windows\SysWOW64\control.exe"
        6⤵
        Suspicious use of SetThreadContext
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: MapViewOfSection
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:3408
        
        C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Users\Admin\AppData\Roaming\FmBedbiEI.exe"
        7⤵
        
        PID:3560
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1708
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1584
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2164
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1832
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2160
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:3360
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2916
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2292
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2088
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:3256

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

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/1152-138-0x0000000004900000-0x0000000004DFE000-memory.dmp

Download

memory/1152-131-0x0000000000010000-0x0000000000011000-memory.dmp

Download

memory/1152-147-0x0000000006C00000-0x0000000006C52000-memory.dmp

Download

memory/1272-125-0x0000000000400000-0x0000000000554000-memory.dmp

Download

memory/1272-136-0x0000000003FA0000-0x00000000040DC000-memory.dmp

Download

memory/1272-137-0x0000000005200000-0x0000000005284000-memory.dmp

Download

memory/1272-127-0x0000000000400000-0x0000000000554000-memory.dmp

Download

memory/1624-152-0x0000000001700000-0x0000000001A20000-memory.dmp

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memory/1624-156-0x00000000013F0000-0x0000000001404000-memory.dmp

Download

memory/1624-155-0x0000000000400000-0x000000000042F000-memory.dmp

Download

memory/1624-148-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/1624-153-0x00000000013B0000-0x00000000013C4000-memory.dmp

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memory/3040-164-0x0000000006CA0000-0x0000000006DC8000-memory.dmp

Download

memory/3040-157-0x0000000007170000-0x00000000072F8000-memory.dmp

Download

memory/3040-154-0x0000000006920000-0x0000000006A42000-memory.dmp

Download

memory/3060-122-0x0000000006ED0000-0x0000000006ED1000-memory.dmp

Download

memory/3060-115-0x00000000001E0000-0x00000000001E1000-memory.dmp

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memory/3060-118-0x0000000004A90000-0x0000000004A91000-memory.dmp

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memory/3060-119-0x0000000004B40000-0x0000000004B41000-memory.dmp

Download

memory/3060-120-0x0000000004E80000-0x0000000004E87000-memory.dmp

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memory/3060-121-0x0000000004990000-0x0000000004E8E000-memory.dmp

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memory/3060-123-0x0000000006750000-0x0000000006790000-memory.dmp

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memory/3060-117-0x0000000004E90000-0x0000000004E91000-memory.dmp

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memory/3408-161-0x0000000004460000-0x0000000004780000-memory.dmp

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memory/3408-160-0x0000000000350000-0x000000000037F000-memory.dmp

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memory/3408-163-0x00000000042C0000-0x0000000004353000-memory.dmp

Download

memory/3408-159-0x0000000000D00000-0x0000000000D20000-memory.dmp

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