formbook | 8714724609eeba98185025392110c7afe0fb5fa3ebc48155ade108152b1fcbd4

Analysis

max time kernel
151s
max time network
154s
platform
windows7_x64
resource
win7-20220715-en
resource tags

arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
submitted
29/07/2022, 12:25

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General

Target
PAYMENT COPY.exe
Size 876KB
Sample220729-pllj1sabel
SHA256 8714724609eeba98185025392110c7afe0fb5fa3ebc48155ade108152b1fcbd4
MD5 69e33f8dbcbcf85fdd051d108388f019
SHA1 cd2f6bfbc8d5d279d40087e715399fef1084d3e9
SHA512 bc1da9e2f0c589bdc6d8c46a0fe51b5eca065eefc7f440fccdd38721499413df583dc1746e3a182e2a4d4982501d1074c389c7a963180466bde6db20a4f737d5
MD5 SHA1 SHA512

Score

10^/10

formbook persistence spyware stealer trojan

Malware Config

Signatures

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

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	wininit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\H480CZWHUB0 = "C:\\Program Files (x86)\\Brjo\\vgaaz7tdx.exe"	wininit.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-1-5-21-3440072777-2118400376-1759599358-1000\Control Panel\International\Geo\Nation	PAYMENT COPY.exe

Deletes itself 1 IoCs

pid	Process
1972	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
2036	wininit.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 532 set thread context of 480	532	PAYMENT COPY.exe	27
PID 480 set thread context of 1288	480	PAYMENT COPY.exe	16
PID 480 set thread context of 1288	480	PAYMENT COPY.exe	16
PID 2036 set thread context of 1288	2036	wininit.exe	16

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Brjo\vgaaz7tdx.exe	wininit.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-3440072777-2118400376-1759599358-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	wininit.exe

Suspicious behavior: EnumeratesProcesses 17 IoCs

pid	Process
480	PAYMENT COPY.exe
480	PAYMENT COPY.exe
480	PAYMENT COPY.exe
480	PAYMENT COPY.exe
480	PAYMENT COPY.exe
2036	wininit.exe
2036	wininit.exe
2036	wininit.exe
2036	wininit.exe
2036	wininit.exe
2036	wininit.exe
2036	wininit.exe
2036	wininit.exe
2036	wininit.exe
2036	wininit.exe
2036	wininit.exe
2036	wininit.exe

Suspicious behavior: MapViewOfSection 8 IoCs

pid	Process
480	PAYMENT COPY.exe
480	PAYMENT COPY.exe
480	PAYMENT COPY.exe
480	PAYMENT COPY.exe
2036	wininit.exe
2036	wininit.exe
2036	wininit.exe
2036	wininit.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	480	PAYMENT COPY.exe
Token: SeDebugPrivilege	2036	wininit.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1288	Explorer.EXE
1288	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1288	Explorer.EXE
1288	Explorer.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 532 wrote to memory of 480	532	PAYMENT COPY.exe	27
PID 532 wrote to memory of 480	532	PAYMENT COPY.exe	27
PID 532 wrote to memory of 480	532	PAYMENT COPY.exe	27
PID 532 wrote to memory of 480	532	PAYMENT COPY.exe	27
PID 532 wrote to memory of 480	532	PAYMENT COPY.exe	27
PID 532 wrote to memory of 480	532	PAYMENT COPY.exe	27
PID 532 wrote to memory of 480	532	PAYMENT COPY.exe	27
PID 480 wrote to memory of 2036	480	PAYMENT COPY.exe	28
PID 480 wrote to memory of 2036	480	PAYMENT COPY.exe	28
PID 480 wrote to memory of 2036	480	PAYMENT COPY.exe	28
PID 480 wrote to memory of 2036	480	PAYMENT COPY.exe	28
PID 2036 wrote to memory of 1972	2036	wininit.exe	29
PID 2036 wrote to memory of 1972	2036	wininit.exe	29
PID 2036 wrote to memory of 1972	2036	wininit.exe	29
PID 2036 wrote to memory of 1972	2036	wininit.exe	29
PID 2036 wrote to memory of 824	2036	wininit.exe	32
PID 2036 wrote to memory of 824	2036	wininit.exe	32
PID 2036 wrote to memory of 824	2036	wininit.exe	32
PID 2036 wrote to memory of 824	2036	wininit.exe	32
PID 2036 wrote to memory of 824	2036	wininit.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1288
- C:\Users\Admin\AppData\Local\Temp\PAYMENT COPY.exe
  "C:\Users\Admin\AppData\Local\Temp\PAYMENT COPY.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:532
- - C:\Users\Admin\AppData\Local\Temp\PAYMENT COPY.exe
    "C:\Users\Admin\AppData\Local\Temp\PAYMENT COPY.exe"
    3⤵
    - Checks computer location settings
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:480
  - - C:\Windows\SysWOW64\wininit.exe
      "C:\Windows\SysWOW64\wininit.exe"
      4⤵
      Adds policy Run key to start application
      Loads dropped DLL
      Suspicious use of SetThreadContext
      Drops file in Program Files directory
      Modifies Internet Explorer settings
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2036
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Users\Admin\AppData\Local\Temp\PAYMENT COPY.exe"
        5⤵
        Deletes itself
        
        PID:1972
    - - C:\Program Files\Mozilla Firefox\Firefox.exe
        
        "C:\Program Files\Mozilla Firefox\Firefox.exe"
        5⤵
        
        PID:824

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

sqlite3.dll

Path \Users\Admin\AppData\Local\Temp\sqlite3.dll
Size 650KB
SHA256 5d0a5018218dbc363909a7eb915a763863cfbcad6d1a6231eb20633d098d57c7
MD5 5c73e64374d9ba37ac5569d1f7de5c9b
SHA1 592e26ffea429b30e0a648720b43739d2ff5e590
SHA512 c0cfaf1bd497a799b3480a268bc4d2548d139f3f4b9f1ed41b09cd4c934d285b0ca36c1c3f45f8718feb50274bce1897939d0dfe612e26010c8bbaf004fe8905
SSDEEP 12288:LC6B7jUeFFI7ikdNpE8jcB6YoZDinatTTaCa4LKeFt8nRB:LDUJ7ldNa8jcB6YuDLaCa4YnRB
MD5 SHA1 SHA512 SSDEEP

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memory/480-66-0x0000000000400000-0x000000000042D000-memory.dmp

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memory/480-71-0x00000000002C0000-0x00000000002D1000-memory.dmp

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memory/480-68-0x0000000000280000-0x0000000000291000-memory.dmp

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memory/480-74-0x0000000000400000-0x000000000042D000-memory.dmp

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memory/480-67-0x0000000000910000-0x0000000000C13000-memory.dmp

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memory/480-60-0x0000000000400000-0x000000000042D000-memory.dmp

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memory/480-61-0x0000000000400000-0x000000000042D000-memory.dmp

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memory/480-63-0x0000000000400000-0x000000000042D000-memory.dmp

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memory/532-58-0x0000000005DD0000-0x0000000005E52000-memory.dmp

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memory/532-59-0x0000000000A70000-0x0000000000AA4000-memory.dmp

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memory/532-54-0x0000000001050000-0x0000000001130000-memory.dmp

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memory/532-57-0x0000000000320000-0x000000000032A000-memory.dmp

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memory/532-56-0x00000000005D0000-0x00000000005E6000-memory.dmp

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memory/532-55-0x00000000766A1000-0x00000000766A3000-memory.dmp

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memory/1288-69-0x00000000064D0000-0x000000000660B000-memory.dmp

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memory/1288-80-0x0000000007080000-0x00000000071A2000-memory.dmp

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memory/1288-82-0x0000000007080000-0x00000000071A2000-memory.dmp

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memory/1288-72-0x00000000069A0000-0x0000000006AD5000-memory.dmp

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memory/2036-76-0x0000000000EC0000-0x0000000000EDA000-memory.dmp

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memory/2036-77-0x00000000000C0000-0x00000000000ED000-memory.dmp

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memory/2036-78-0x0000000000A30000-0x0000000000D33000-memory.dmp

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memory/2036-79-0x0000000000D40000-0x0000000000DD0000-memory.dmp

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memory/2036-81-0x00000000000C0000-0x00000000000ED000-memory.dmp

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