formbook | 448d2ecff6d2b8cf7a5da39c4be57e4bb991fcf35a1a6bfbe24f0430684fc59c

Analysis

max time kernel
150s
max time network
130s
platform
windows10_x64
resource
win10v20201028
submitted
10/12/2020, 11:11

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General

Target
payment document.exe
Size 95KB
Sample201210-cctwxb9ldx
SHA256 448d2ecff6d2b8cf7a5da39c4be57e4bb991fcf35a1a6bfbe24f0430684fc59c
MD5 50f9cf33552796c0935796d448df1ca3
SHA1 add69b499988d6a56b6a988387bdb6ae017dd1e2
SHA512 13c29f59336caba962af5781882bbc69da7f769670974af2f1a5ef929a8410f40e5901add5bbdfe896eedf26f0d73fd36e91e8af5521aae0b2d464d159727803
MD5 SHA1 SHA512

Score

10^/10

formbook evasion rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

http://www.couponquote.com/rbe/

Decoy

yourhappywanderer.com
nflike.com
julielearnskorean.com
legendarywatersports.com
replicadrip.com
firefinchlimited.com
onlycookiejars.com
bluedotdelivery.com
valconelectronics.com
knitswhereitsat.com
clint-robert-murphy.com
expoonline.online
hcjeong.com
solbabiesco.com
americaroses.com
morcola.com
bjhrgxkj.com
sibingkeji.com
trufflesales.com
lionvilleshelves.com
tplnkw.net
yelllouder2020.com
justlifeservices.com
gsmserviciosstore.com
ndmh.net
dawnoftheshred.com
4602wbutler.com
u-hyve.com
strataerials.com
mspguildllc.com
happyholidaysfromthemartins.com
pinehollowcottage.com
suruculuk.net
katieschell.com
mimotza.com
cpeivmc.com
faisal-alshaikh.com
accesspubhealth.com
fashionedway.com
masihsehat.com
psychshops.com
scorpeimports.com
pokerperth.com
onlinecollegedegree-for-you.com
markedbymiaa.com
karinamejia.com
iscoalarconsuarez.com
ourkpop.net
theeverydayfighter.com
cdzqmailsquire.space
ycspsh.com
hasslecost.com
laurafazz.com
sortashort.com
elevatedhomedesign.com
pisanosportpraxis.com
hello-shay.com
ghienmall.com
cnlegoo.com
51dxym.com
ecocivi.com
rbullls.com
diplomyrussianys.com
baxcol.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Turns off Windows Defender SpyNet reporting 2 TTPs
evasion

Disabling Security Tools
T1089

Modify Registry
T1112
Windows security bypass 2 TTPs
evasion trojan

Disabling Security Tools
T1089

Modify Registry
T1112

Formbook Payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/3940-23-0x000000000041EAF0-mapping.dmp	formbook
behavioral2/memory/3940-22-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/812-39-0x0000000000000000-mapping.dmp	formbook

Windows security modification 2 TTPs 10 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\payment document.exe = "0"	payment document.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	payment document.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Spynet\SpyNetReporting = "0"	payment document.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	payment document.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions\Paths	payment document.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Real-Time Protection	payment document.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Spynet	payment document.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Spynet\SubmitSamplesConsent = "0"	payment document.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	payment document.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions	payment document.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 3888 set thread context of 3940	3888	payment document.exe	84
PID 3940 set thread context of 2092	3940	payment document.exe	20
PID 3940 set thread context of 2092	3940	payment document.exe	20
PID 812 set thread context of 2092	812	systray.exe	20

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4036	timeout.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
1320	powershell.exe
1320	powershell.exe
1320	powershell.exe
3940	payment document.exe
3940	payment document.exe
3940	payment document.exe
3940	payment document.exe
3940	payment document.exe
3940	payment document.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe
812	systray.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
3940	payment document.exe
3940	payment document.exe
3940	payment document.exe
3940	payment document.exe
812	systray.exe
812	systray.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3888	payment document.exe
Token: SeDebugPrivilege	1320	powershell.exe
Token: SeDebugPrivilege	3940	payment document.exe
Token: SeShutdownPrivilege	2092	Explorer.EXE
Token: SeCreatePagefilePrivilege	2092	Explorer.EXE
Token: SeDebugPrivilege	812	systray.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
2092	Explorer.EXE

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 3888 wrote to memory of 3512	3888	payment document.exe	76
PID 3888 wrote to memory of 3512	3888	payment document.exe	76
PID 3888 wrote to memory of 3512	3888	payment document.exe	76
PID 3512 wrote to memory of 4036	3512	cmd.exe	78
PID 3512 wrote to memory of 4036	3512	cmd.exe	78
PID 3512 wrote to memory of 4036	3512	cmd.exe	78
PID 3888 wrote to memory of 1320	3888	payment document.exe	81
PID 3888 wrote to memory of 1320	3888	payment document.exe	81
PID 3888 wrote to memory of 1320	3888	payment document.exe	81
PID 3888 wrote to memory of 3940	3888	payment document.exe	84
PID 3888 wrote to memory of 3940	3888	payment document.exe	84
PID 3888 wrote to memory of 3940	3888	payment document.exe	84
PID 3888 wrote to memory of 3940	3888	payment document.exe	84
PID 3888 wrote to memory of 3940	3888	payment document.exe	84
PID 3888 wrote to memory of 3940	3888	payment document.exe	84
PID 3888 wrote to memory of 3940	3888	payment document.exe	84
PID 3940 wrote to memory of 812	3940	payment document.exe	85
PID 3940 wrote to memory of 812	3940	payment document.exe	85
PID 3940 wrote to memory of 812	3940	payment document.exe	85
PID 812 wrote to memory of 4032	812	systray.exe	86
PID 812 wrote to memory of 4032	812	systray.exe	86
PID 812 wrote to memory of 4032	812	systray.exe	86

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:2092
- C:\Users\Admin\AppData\Local\Temp\payment document.exe
  "C:\Users\Admin\AppData\Local\Temp\payment document.exe"
  2⤵
  - Windows security modification
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3888
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c timeout 4.178
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3512
  - - C:\Windows\SysWOW64\timeout.exe
      timeout 4.178
      4⤵
      Delays execution with timeout.exe
      PID:4036
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\payment document.exe" -Force
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1320
- - C:\Users\Admin\AppData\Local\Temp\payment document.exe
    "C:\Users\Admin\AppData\Local\Temp\payment document.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3940
  - - C:\Windows\SysWOW64\systray.exe
      "C:\Windows\SysWOW64\systray.exe"
      4⤵
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:812
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Users\Admin\AppData\Local\Temp\payment document.exe"
        5⤵
        
        PID:4032

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Disabling Security Tools

T1089

Modify Registry

T1112

Web Service

T1102

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

memory/812-41-0x0000000000AC0000-0x0000000000AC6000-memory.dmp

Download

memory/812-40-0x0000000000AC0000-0x0000000000AC6000-memory.dmp

Download

memory/1320-33-0x0000000008ED0000-0x0000000008ED1000-memory.dmp

Download

memory/1320-32-0x0000000008B70000-0x0000000008B71000-memory.dmp

Download

memory/1320-37-0x0000000009030000-0x0000000009031000-memory.dmp

Download

memory/1320-35-0x0000000009040000-0x0000000009041000-memory.dmp

Download

memory/1320-21-0x0000000007DE0000-0x0000000007DE1000-memory.dmp

Download

memory/1320-20-0x0000000007EA0000-0x0000000007EA1000-memory.dmp

Download

memory/1320-12-0x0000000073A20000-0x000000007410E000-memory.dmp

Download

memory/1320-13-0x00000000011A0000-0x00000000011A1000-memory.dmp

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memory/1320-14-0x0000000006DE0000-0x0000000006DE1000-memory.dmp

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memory/1320-15-0x0000000006D20000-0x0000000006D21000-memory.dmp

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memory/1320-16-0x0000000007410000-0x0000000007411000-memory.dmp

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memory/1320-17-0x00000000076E0000-0x00000000076E1000-memory.dmp

Download

memory/1320-18-0x0000000007750000-0x0000000007751000-memory.dmp

Download

memory/1320-25-0x0000000008D90000-0x0000000008DC3000-memory.dmp

Download

memory/1320-19-0x0000000007540000-0x0000000007541000-memory.dmp

Download

memory/1320-34-0x0000000009090000-0x0000000009091000-memory.dmp

Download

memory/2092-44-0x0000000006880000-0x0000000006999000-memory.dmp

Download

memory/3888-4-0x0000000005420000-0x0000000005421000-memory.dmp

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memory/3888-10-0x0000000006B70000-0x0000000006BBB000-memory.dmp

Download

memory/3888-2-0x0000000073A20000-0x000000007410E000-memory.dmp

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memory/3888-7-0x0000000005410000-0x0000000005411000-memory.dmp

Download

memory/3888-5-0x00000000059C0000-0x00000000059C1000-memory.dmp

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memory/3888-3-0x0000000000BB0000-0x0000000000BB1000-memory.dmp

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memory/3888-6-0x0000000005560000-0x0000000005561000-memory.dmp

Download

memory/3940-22-0x0000000000400000-0x000000000042F000-memory.dmp

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