formbook | fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4

Analysis

max time kernel
149s
max time network
140s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
08/10/2024, 13:35

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General

Target

fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe
Size

1.6MB
MD5

3364dc2488f8444000a9da4c6d999fc4
SHA1

19cf9bd0f6976d75f7738ec74d2b326edee5bdde
SHA256

fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4
SHA512

24778076f2e3fbd0ab39675bab98bd7da9feaa08e276d720da2fca252377ceb2c7b1da1b9c3b862e2acbea9b6e0c29e77e093c9cff366055d894a969545ea921
SSDEEP

49152:AAodtaG9kS2U84B+FLan9k5TRM9zlcVj7vdLJ7t:A/B18P7t

Score

10^/10

formbook md02 discovery persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

md02

Decoy

onsen1508.com

partymaxclubmen36.click

texasshelvingwarehouse.com

tiantiying.com

taxcredits-pr.com

33mgbet.com

equipoleiremnacional.com

andrewghita.com

zbbnp.xyz

englandbreaking.com

a1b5v.xyz

vizamag.com

h0lg3.rest

ux-design-courses-17184.bond

of84.top

qqkartel88v1.com

avalynkate.com

cpuk-finance.com

yeslabs.xyz

webuyandsellpa.com

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2920-0-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2920-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2912-9-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook

Adds policy Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-2703099537-420551529-3771253338-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	raserver.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\HZ-DPL3P_2 = "C:\\Program Files (x86)\\Windows Media Player\\wmplayer.exe"	raserver.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2300 set thread context of 2920	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	38
PID 2920 set thread context of 1396	2920	wmplayer.exe	21
PID 2912 set thread context of 1396	2912	raserver.exe	21

System Location Discovery: System Language Discovery 1 TTPs 1 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	raserver.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-2703099537-420551529-3771253338-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	raserver.exe

Runs regedit.exe 1 IoCs

pid	Process
2756	regedit.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
2920	wmplayer.exe
2920	wmplayer.exe
2912	raserver.exe
2912	raserver.exe
2912	raserver.exe
2912	raserver.exe
2912	raserver.exe
2912	raserver.exe
2912	raserver.exe
2912	raserver.exe
2912	raserver.exe
2912	raserver.exe
2912	raserver.exe
2912	raserver.exe
2912	raserver.exe
2912	raserver.exe
2912	raserver.exe
2912	raserver.exe
2912	raserver.exe
2912	raserver.exe
2912	raserver.exe
2912	raserver.exe
2912	raserver.exe
2912	raserver.exe
2912	raserver.exe
2912	raserver.exe
2912	raserver.exe
2912	raserver.exe
2912	raserver.exe
2912	raserver.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
2920	wmplayer.exe
2920	wmplayer.exe
2920	wmplayer.exe
2912	raserver.exe
2912	raserver.exe
2912	raserver.exe
2912	raserver.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe
Token: SeDebugPrivilege	2920	wmplayer.exe
Token: SeDebugPrivilege	2912	raserver.exe

Suspicious use of WriteProcessMemory 57 IoCs

description	pid	Process	procid_target
PID 2300 wrote to memory of 3036	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	31
PID 2300 wrote to memory of 3036	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	31
PID 2300 wrote to memory of 3036	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	31
PID 2300 wrote to memory of 3036	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	31
PID 2300 wrote to memory of 3036	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	31
PID 2300 wrote to memory of 3036	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	31
PID 2300 wrote to memory of 3036	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	31
PID 2300 wrote to memory of 484	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	32
PID 2300 wrote to memory of 484	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	32
PID 2300 wrote to memory of 484	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	32
PID 2300 wrote to memory of 484	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	32
PID 2300 wrote to memory of 484	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	32
PID 2300 wrote to memory of 484	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	32
PID 2300 wrote to memory of 484	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	32
PID 2300 wrote to memory of 2980	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	33
PID 2300 wrote to memory of 2980	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	33
PID 2300 wrote to memory of 2980	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	33
PID 2300 wrote to memory of 2980	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	33
PID 2300 wrote to memory of 2980	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	33
PID 2300 wrote to memory of 2984	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	34
PID 2300 wrote to memory of 2984	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	34
PID 2300 wrote to memory of 2984	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	34
PID 2300 wrote to memory of 2984	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	34
PID 2300 wrote to memory of 2984	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	34
PID 2300 wrote to memory of 1908	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	35
PID 2300 wrote to memory of 1908	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	35
PID 2300 wrote to memory of 1908	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	35
PID 2300 wrote to memory of 1908	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	35
PID 2300 wrote to memory of 1908	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	35
PID 2300 wrote to memory of 1908	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	35
PID 2300 wrote to memory of 1908	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	35
PID 2300 wrote to memory of 2796	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	36
PID 2300 wrote to memory of 2796	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	36
PID 2300 wrote to memory of 2796	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	36
PID 2300 wrote to memory of 2796	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	36
PID 2300 wrote to memory of 2796	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	36
PID 2300 wrote to memory of 2756	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	37
PID 2300 wrote to memory of 2756	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	37
PID 2300 wrote to memory of 2756	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	37
PID 2300 wrote to memory of 2756	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	37
PID 2300 wrote to memory of 2756	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	37
PID 2300 wrote to memory of 2920	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	38
PID 2300 wrote to memory of 2920	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	38
PID 2300 wrote to memory of 2920	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	38
PID 2300 wrote to memory of 2920	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	38
PID 2300 wrote to memory of 2920	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	38
PID 2300 wrote to memory of 2920	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	38
PID 2300 wrote to memory of 2920	2300	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	38
PID 1396 wrote to memory of 2912	1396	Explorer.EXE	39
PID 1396 wrote to memory of 2912	1396	Explorer.EXE	39
PID 1396 wrote to memory of 2912	1396	Explorer.EXE	39
PID 1396 wrote to memory of 2912	1396	Explorer.EXE	39
PID 2912 wrote to memory of 2816	2912	raserver.exe	40
PID 2912 wrote to memory of 2816	2912	raserver.exe	40
PID 2912 wrote to memory of 2816	2912	raserver.exe	40
PID 2912 wrote to memory of 2816	2912	raserver.exe	40
PID 2912 wrote to memory of 2816	2912	raserver.exe	40

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1396
- C:\Users\Admin\AppData\Local\Temp\fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe
  "C:\Users\Admin\AppData\Local\Temp\fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2300
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
    3⤵
    PID:3036
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe"
    3⤵
    PID:484
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe"
    3⤵
    PID:2980
- - C:\Windows\System32\calc.exe
    "C:\Windows\System32\calc.exe"
    3⤵
    PID:2984
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe"
    3⤵
    PID:1908
- - C:\Windows\System32\svchost.exe
    "C:\Windows\System32\svchost.exe"
    3⤵
    PID:2796
- - C:\Windows\regedit.exe
    "C:\Windows\regedit.exe"
    3⤵
    - Runs regedit.exe
    PID:2756
- - C:\Program Files (x86)\Windows Media Player\wmplayer.exe
    "C:\Program Files (x86)\Windows Media Player\wmplayer.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2920
- C:\Windows\SysWOW64\raserver.exe
  "C:\Windows\SysWOW64\raserver.exe"
  2⤵
  - Adds policy Run key to start application
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2912
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:2816

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\2440BS16\244logim.jpeg

Filesize
76KB

MD5
da8d5570f513f606d9d363b45d8e27e6

SHA1
b187c06fe313969f59e19c67840da89012e7be40

SHA256
458b1ca9922a7b86c5852f53828560af3f78e7ac304b8cdeb9638f1f4f039a16

SHA512
429810bd17ee2ffed94047a05e9790a0e23d24b66f7bf7dbde2056170090966a5aaf3dd4501b5596efdd15a566cfa9080c32b096b35ef5eb65385201f32bce44

Download Submit
C:\Users\Admin\AppData\Roaming\2440BS16\244logrf.ini

Filesize
40B

MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\2440BS16\244logri.ini

Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\2440BS16\244logrv.ini

Filesize
40B

MD5
ba3b6bc807d4f76794c4b81b09bb9ba5

SHA1
24cb89501f0212ff3095ecc0aba97dd563718fb1

SHA256
6eebf968962745b2e9de2ca969af7c424916d4e3fe3cc0bb9b3d414abfce9507

SHA512
ecd07e601fc9e3cfc39addd7bd6f3d7f7ff3253afb40bf536e9eaac5a4c243e5ec40fbfd7b216cb0ea29f2517419601e335e33ba19dea4a46f65e38694d465bf

Download Submit
memory/1396-20-0x00000000077D0000-0x00000000078C9000-memory.dmp

Filesize
996KB

Download
memory/1396-19-0x00000000077D0000-0x00000000078C9000-memory.dmp

Filesize
996KB

Download
memory/1396-26-0x00000000077D0000-0x00000000078C9000-memory.dmp

Filesize
996KB

Download
memory/1396-5-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/1396-6-0x0000000006BD0000-0x0000000006CA8000-memory.dmp

Filesize
864KB

Download
memory/1396-13-0x0000000006BD0000-0x0000000006CA8000-memory.dmp

Filesize
864KB

Download
memory/1396-15-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/2912-9-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/2912-8-0x0000000000BC0000-0x0000000000BDC000-memory.dmp

Filesize
112KB

Download
memory/2912-7-0x0000000000BC0000-0x0000000000BDC000-memory.dmp

Filesize
112KB

Download
memory/2920-0-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2920-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2920-4-0x00000000001C0000-0x00000000001D4000-memory.dmp

Filesize
80KB

Download
memory/2920-1-0x0000000000B70000-0x0000000000E73000-memory.dmp

Filesize
3.0MB

Download