formbook | 45b2f9301bef1777a604f4280824252266d48c6cf0f4dca1f1963677d9e8afb3

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
12/04/2024, 01:10

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General

Target
45b2f9301bef1777a604f4280824252266d48c6cf0f4dca1f1963677d9e8afb3.exe
Size 826KB
Sample240412-bjkcaaag56
SHA256 45b2f9301bef1777a604f4280824252266d48c6cf0f4dca1f1963677d9e8afb3
MD5 d28cb0ff6d5651bc9efd594670eb0acd
SHA1 6ddd7797a4f65f8aef65d9683a94c94b0fbb2316
SHA512 01265877564ef95b58e3006bd8605fcd6a78a22b03c12fd90b4308932083830f59c6b0d8321be95835baece1b95e639acde3792a9c61e2fc2709f7f3169a35f2
SSDEEP 12288:v2zRJUjwutiF34s40S1TVotK+CVINGX9yKBg7vjdA:CHutius4+oiU9yKe/W
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

formbook ij84 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

Campaign

ij84

Decoy

resetter.xyz
simonbelanger.me
kwip.xyz
7dbb9.baby
notion-everyday.com
saftiwall.com
pulse-gaming.com
fafafa1.shop
ihaveahole.com
sxtzzj.com
996688x.xyz
komalili.monster
haberdashere.store
nurselifegng.com
kidtryz.com
ghvx.xyz
1minvideopro.com
hidef.group
stylishbeststyler.space
spx21.com
spatialad.net
btstarvip.xyz
gofetcher.net
cqcready.net
thecommunitycatalyst.com
ssduckduckgo.com
hastingsmortgagegroup.com
mcminniespostersandmore.com
xn--vaffelppinne-zcb.com
thelsao.com
muddybootssalisbury.com
repetitionlaces.com
yao-med.com
hometotheworldcleaning.com
ampowersolar.com
xn--dtruire-bya.com
cryptofarm.space
ventaonline.site
davidedema.com
forklift-jobs-50425.bond
laserfusionart.com
mundosaludable.club
bndl.fit
lbexpress.shop
matthewbrownlee.com
viega.pro
recrooglobal.com
langzzzblog.online
m-1263bets10.com
surfacespecialistsnc.com
conallnolankitchens.com
80n.icu
bleeckha.us
thyselftrench.com
bawaslu-tual.com
elevatebuilders.co.za
spacekat.xyz
seniorlivinghub.today
aloyoga-southafricas.com
pickstreak.com
boutiquelrdesign.com
nazook.net
ifoxclicks.com
clinicallabpartner.com
budget-harmony.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral2/memory/4964-32-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4964-36-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3636-41-0x0000000000D50000-0x0000000000D7F000-memory.dmp	formbook
behavioral2/memory/3636-43-0x0000000000D50000-0x0000000000D7F000-memory.dmp	formbook

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-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation	45b2f9301bef1777a604f4280824252266d48c6cf0f4dca1f1963677d9e8afb3.exe

Drops startup file 3 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype.lnk	45b2f9301bef1777a604f4280824252266d48c6cf0f4dca1f1963677d9e8afb3.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype.exe	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype.exe	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
4896	skype.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4896 set thread context of 4964	4896	skype.exe	99
PID 4964 set thread context of 3392	4964	AddInProcess32.exe	56
PID 3636 set thread context of 3392	3636	systray.exe	56

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

System Information Discovery
T1082

Runs ping.exe 1 TTPs 2 IoCs

Remote System Discovery

T1018

pid	Process
4364	PING.EXE
4184	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1860	45b2f9301bef1777a604f4280824252266d48c6cf0f4dca1f1963677d9e8afb3.exe
1816	skype.exe
1816	skype.exe
1816	skype.exe
1816	skype.exe
1816	skype.exe
1816	skype.exe
1816	skype.exe
1816	skype.exe
1816	skype.exe
1816	skype.exe
1816	skype.exe
1816	skype.exe
1816	skype.exe
1816	skype.exe
1816	skype.exe
1816	skype.exe
1816	skype.exe
1816	skype.exe
1816	skype.exe
1816	skype.exe
1816	skype.exe
1816	skype.exe
1816	skype.exe
1816	skype.exe
1816	skype.exe
4896	skype.exe
4896	skype.exe
4896	skype.exe
4896	skype.exe
4964	AddInProcess32.exe
4964	AddInProcess32.exe
4964	AddInProcess32.exe
4964	AddInProcess32.exe
3636	systray.exe
3636	systray.exe
3636	systray.exe
3636	systray.exe
3636	systray.exe
3636	systray.exe
3636	systray.exe
3636	systray.exe
3636	systray.exe
3636	systray.exe
3636	systray.exe
3636	systray.exe
3636	systray.exe
3636	systray.exe
3636	systray.exe
3636	systray.exe
3636	systray.exe
3636	systray.exe
3636	systray.exe
3636	systray.exe
3636	systray.exe
3636	systray.exe
3636	systray.exe
3636	systray.exe
3636	systray.exe
3636	systray.exe
3636	systray.exe
3636	systray.exe
3636	systray.exe
3636	systray.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4964	AddInProcess32.exe
4964	AddInProcess32.exe
4964	AddInProcess32.exe
3636	systray.exe
3636	systray.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1860	45b2f9301bef1777a604f4280824252266d48c6cf0f4dca1f1963677d9e8afb3.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1860	45b2f9301bef1777a604f4280824252266d48c6cf0f4dca1f1963677d9e8afb3.exe
Token: SeDebugPrivilege	1816	skype.exe
Token: SeDebugPrivilege	4896	skype.exe
Token: SeDebugPrivilege	4964	AddInProcess32.exe
Token: SeDebugPrivilege	3636	systray.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1860 wrote to memory of 1816	1860	45b2f9301bef1777a604f4280824252266d48c6cf0f4dca1f1963677d9e8afb3.exe	88
PID 1860 wrote to memory of 1816	1860	45b2f9301bef1777a604f4280824252266d48c6cf0f4dca1f1963677d9e8afb3.exe	88
PID 1860 wrote to memory of 1816	1860	45b2f9301bef1777a604f4280824252266d48c6cf0f4dca1f1963677d9e8afb3.exe	88
PID 1816 wrote to memory of 4236	1816	skype.exe	90
PID 1816 wrote to memory of 4236	1816	skype.exe	90
PID 1816 wrote to memory of 4236	1816	skype.exe	90
PID 4236 wrote to memory of 4364	4236	cmd.exe	92
PID 4236 wrote to memory of 4364	4236	cmd.exe	92
PID 4236 wrote to memory of 4364	4236	cmd.exe	92
PID 4236 wrote to memory of 4184	4236	cmd.exe	95
PID 4236 wrote to memory of 4184	4236	cmd.exe	95
PID 4236 wrote to memory of 4184	4236	cmd.exe	95
PID 4236 wrote to memory of 4896	4236	cmd.exe	96
PID 4236 wrote to memory of 4896	4236	cmd.exe	96
PID 4236 wrote to memory of 4896	4236	cmd.exe	96
PID 4896 wrote to memory of 5096	4896	skype.exe	97
PID 4896 wrote to memory of 5096	4896	skype.exe	97
PID 4896 wrote to memory of 5096	4896	skype.exe	97
PID 4896 wrote to memory of 5096	4896	skype.exe	97
PID 4896 wrote to memory of 5096	4896	skype.exe	97
PID 4896 wrote to memory of 5096	4896	skype.exe	97
PID 4896 wrote to memory of 4964	4896	skype.exe	99
PID 4896 wrote to memory of 4964	4896	skype.exe	99
PID 4896 wrote to memory of 4964	4896	skype.exe	99
PID 4896 wrote to memory of 4964	4896	skype.exe	99
PID 4896 wrote to memory of 4964	4896	skype.exe	99
PID 4896 wrote to memory of 4964	4896	skype.exe	99
PID 3392 wrote to memory of 3636	3392	Explorer.EXE	100
PID 3392 wrote to memory of 3636	3392	Explorer.EXE	100
PID 3392 wrote to memory of 3636	3392	Explorer.EXE	100
PID 3636 wrote to memory of 4708	3636	systray.exe	101
PID 3636 wrote to memory of 4708	3636	systray.exe	101
PID 3636 wrote to memory of 4708	3636	systray.exe	101

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3392
- C:\Users\Admin\AppData\Local\Temp\45b2f9301bef1777a604f4280824252266d48c6cf0f4dca1f1963677d9e8afb3.exe
  "C:\Users\Admin\AppData\Local\Temp\45b2f9301bef1777a604f4280824252266d48c6cf0f4dca1f1963677d9e8afb3.exe"
  2⤵
  - Checks computer location settings
  - Drops startup file
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1860
- - C:\Users\Admin\AppData\Local\Temp\skype.exe
    "C:\Users\Admin\AppData\Local\Temp\skype.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1816
  - - C:\Windows\SysWOW64\cmd.exe
      "cmd" /c ping 127.0.0.1 -n 8 > nul && copy "C:\Users\Admin\AppData\Local\Temp\skype.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype.exe" && ping 127.0.0.1 -n 8 > nul && "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype.exe"
      4⤵
      Drops startup file
      Suspicious use of WriteProcessMemory
      PID:4236
    - - C:\Windows\SysWOW64\PING.EXE
        
        ping 127.0.0.1 -n 8
        5⤵
        Runs ping.exe
        
        PID:4364
    - - C:\Windows\SysWOW64\PING.EXE
        
        ping 127.0.0.1 -n 8
        5⤵
        Runs ping.exe
        
        PID:4184
    - - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype.exe
        
        "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:4896
      - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
        6⤵
        
        PID:5096
      - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
        6⤵
        Suspicious use of SetThreadContext
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: MapViewOfSection
        Suspicious use of AdjustPrivilegeToken
        
        PID:4964
- C:\Windows\SysWOW64\systray.exe
  "C:\Windows\SysWOW64\systray.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3636
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
    3⤵
    PID:4708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

skype.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\skype.exe.log
Size 1KB
SHA256 b2380a6a7fa5ff5934a769cb21c6c43ce667fecc14cc20fb71ac7900ddaf9040
MD5 35302d4cead353c0080aa8f3285d260d
SHA1 91a45cb9428e9e707eddaa270b5bc5c6b2be82cb
SHA512 c74ad275243a67a9246f1e6b63271f7011cdfaf97a488f07d91f0a95207c36a4bb9b240348eb172b34a3267654b7fae205b8531e7c6d5896f8b4f7ec2559c45e
MD5 SHA1 SHA512

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skype.exe

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype.exe
Size 826KB
SHA256 45b2f9301bef1777a604f4280824252266d48c6cf0f4dca1f1963677d9e8afb3
MD5 d28cb0ff6d5651bc9efd594670eb0acd
SHA1 6ddd7797a4f65f8aef65d9683a94c94b0fbb2316
SHA512 01265877564ef95b58e3006bd8605fcd6a78a22b03c12fd90b4308932083830f59c6b0d8321be95835baece1b95e639acde3792a9c61e2fc2709f7f3169a35f2
SSDEEP 12288:v2zRJUjwutiF34s40S1TVotK+CVINGX9yKBg7vjdA:CHutius4+oiU9yKe/W
MD5 SHA1 SHA512 SSDEEP

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memory/1816-12-0x0000000075120000-0x00000000758D0000-memory.dmp

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memory/1816-16-0x0000000075120000-0x00000000758D0000-memory.dmp

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memory/1816-14-0x00000000053C0000-0x00000000053D0000-memory.dmp

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memory/1816-13-0x00000000053C0000-0x00000000053D0000-memory.dmp

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memory/1860-6-0x0000000005680000-0x00000000056C4000-memory.dmp

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memory/1860-7-0x0000000005A40000-0x0000000005A4A000-memory.dmp

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memory/1860-9-0x0000000007B60000-0x000000000808C000-memory.dmp

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memory/1860-11-0x0000000075120000-0x00000000758D0000-memory.dmp

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memory/1860-1-0x0000000075120000-0x00000000758D0000-memory.dmp

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memory/1860-5-0x00000000056F0000-0x0000000005700000-memory.dmp

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memory/1860-4-0x0000000005590000-0x000000000562C000-memory.dmp

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memory/1860-3-0x0000000005B40000-0x00000000060E4000-memory.dmp

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memory/1860-2-0x00000000054F0000-0x0000000005582000-memory.dmp

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memory/1860-0-0x0000000000C50000-0x0000000000D24000-memory.dmp

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memory/3392-50-0x00000000083B0000-0x00000000084B6000-memory.dmp

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memory/3392-53-0x00000000083B0000-0x00000000084B6000-memory.dmp

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memory/3392-49-0x00000000083B0000-0x00000000084B6000-memory.dmp

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memory/3392-46-0x00000000027A0000-0x0000000002865000-memory.dmp

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memory/3392-38-0x00000000027A0000-0x0000000002865000-memory.dmp

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memory/3636-45-0x0000000002CB0000-0x0000000002D43000-memory.dmp

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memory/3636-43-0x0000000000D50000-0x0000000000D7F000-memory.dmp

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memory/3636-42-0x0000000002F20000-0x000000000326A000-memory.dmp

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memory/3636-41-0x0000000000D50000-0x0000000000D7F000-memory.dmp

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memory/3636-40-0x0000000000FF0000-0x0000000000FF6000-memory.dmp

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memory/3636-39-0x0000000000FF0000-0x0000000000FF6000-memory.dmp

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memory/4896-27-0x0000000006AF0000-0x0000000006B0A000-memory.dmp

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memory/4896-30-0x0000000004AF0000-0x0000000004B00000-memory.dmp

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memory/4896-23-0x00000000750F0000-0x00000000758A0000-memory.dmp

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memory/4896-24-0x00000000005C0000-0x0000000000694000-memory.dmp

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memory/4896-33-0x00000000750F0000-0x00000000758A0000-memory.dmp

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memory/4896-25-0x0000000004AF0000-0x0000000004B00000-memory.dmp

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memory/4896-31-0x0000000004AF0000-0x0000000004B00000-memory.dmp

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memory/4896-26-0x0000000004AF0000-0x0000000004B00000-memory.dmp

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memory/4896-29-0x00000000750F0000-0x00000000758A0000-memory.dmp

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memory/4896-28-0x0000000006B20000-0x0000000006B26000-memory.dmp

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memory/4964-36-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/4964-32-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/4964-37-0x0000000001050000-0x0000000001064000-memory.dmp

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memory/4964-34-0x00000000010E0000-0x000000000142A000-memory.dmp

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