formbook | 1abe9c17071932ed40d00325752b433b244fd2410bb88d8fb2d194a2e5e3059e

General

Target

vz7lgfephbs.exe
Size

454KB
MD5

78556723d290bbbeb1ed8c761861f8f8
SHA1

8eaad367886c44e90962bc5c23ecdb16761031f1
SHA256

1abe9c17071932ed40d00325752b433b244fd2410bb88d8fb2d194a2e5e3059e
SHA512

0f17a1cc369ffc92b5a82e50e42edcc2a10736c838ae4cb12a9eeb46009ef7b744e7c92e52bb79a39506918df58545454fce734bbbeb676e48ddef27e4ed35c5
SSDEEP

12288:39vAtRe9JF3Z7uSU2mgLb67ioQwL3eHjJS:3it4h9bQi8L2jJ

Score

10^/10

formbook support credential_access discovery persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

support

Decoy

acryingshame.info

aycicegiyapi.net

reserveyar.com

intiagri.com

brothersma.com

transparenzsiegel.net

waqa.ltd

montanafarmranches.com

victorysalesandmarketing.net

tintoy.net

checkfixtures.com

jdoeworld.com

acuvueonline.com

hhpphz.com

wszcjt.com

pettreats.pet

jbellamyhomes.com

ht61laju26h.biz

basilmoters.com

pollyannalabs.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/2684-3-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/2684-7-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/4376-15-0x00000000008A0000-0x00000000008CE000-memory.dmp	formbook

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
T1552.001

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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\QXFXNTOXMPH = "C:\\Program Files (x86)\\Lhfctmlix\\4hm4ozjrchefk.exe"	systray.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1988 set thread context of 2684	1988	vz7lgfephbs.exe	71
PID 2684 set thread context of 3444	2684	vz7lgfephbs.exe	54
PID 4376 set thread context of 3444	4376	systray.exe	54

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Lhfctmlix\4hm4ozjrchefk.exe	systray.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vz7lgfephbs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	systray.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-1453213197-474736321-1741884505-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	systray.exe

Suspicious behavior: EnumeratesProcesses 50 IoCs

pid	Process
2684	vz7lgfephbs.exe
2684	vz7lgfephbs.exe
2684	vz7lgfephbs.exe
2684	vz7lgfephbs.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe

Suspicious behavior: MapViewOfSection 8 IoCs

pid	Process
1988	vz7lgfephbs.exe
2684	vz7lgfephbs.exe
2684	vz7lgfephbs.exe
2684	vz7lgfephbs.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe
4376	systray.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeDebugPrivilege	2684	vz7lgfephbs.exe
Token: SeDebugPrivilege	4376	systray.exe
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1988 wrote to memory of 2684	1988	vz7lgfephbs.exe	71
PID 1988 wrote to memory of 2684	1988	vz7lgfephbs.exe	71
PID 1988 wrote to memory of 2684	1988	vz7lgfephbs.exe	71
PID 1988 wrote to memory of 2684	1988	vz7lgfephbs.exe	71
PID 3444 wrote to memory of 4376	3444	Explorer.EXE	72
PID 3444 wrote to memory of 4376	3444	Explorer.EXE	72
PID 3444 wrote to memory of 4376	3444	Explorer.EXE	72
PID 4376 wrote to memory of 4524	4376	systray.exe	73
PID 4376 wrote to memory of 4524	4376	systray.exe	73
PID 4376 wrote to memory of 4524	4376	systray.exe	73
PID 4376 wrote to memory of 924	4376	systray.exe	75
PID 4376 wrote to memory of 924	4376	systray.exe	75
PID 4376 wrote to memory of 924	4376	systray.exe	75
PID 4376 wrote to memory of 2040	4376	systray.exe	77
PID 4376 wrote to memory of 2040	4376	systray.exe	77
PID 4376 wrote to memory of 2040	4376	systray.exe	77

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3444
- C:\Users\Admin\AppData\Local\Temp\vz7lgfephbs.exe
  "C:\Users\Admin\AppData\Local\Temp\vz7lgfephbs.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1988
- - C:\Users\Admin\AppData\Local\Temp\vz7lgfephbs.exe
    "C:\Users\Admin\AppData\Local\Temp\vz7lgfephbs.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2684
- C:\Windows\SysWOW64\systray.exe
  "C:\Windows\SysWOW64\systray.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Drops file in Program Files directory
  - 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:4376
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\vz7lgfephbs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4524
- - C:\Windows\SysWOW64\cmd.exe
    /c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
    3⤵
    - System Location Discovery: System Language Discovery
    PID:924
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:2040

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\DB1

Filesize
46KB

MD5
02d2c46697e3714e49f46b680b9a6b83

SHA1
84f98b56d49f01e9b6b76a4e21accf64fd319140

SHA256
522cad95d3fa6ebb3274709b8d09bbb1ca37389d0a924cd29e934a75aa04c6c9

SHA512
60348a145bfc71b1e07cb35fa79ab5ff472a3d0a557741ea2d39b3772bc395b86e261bd616f65307ae0d997294e49b5548d32f11e86ef3e2704959ca63da8aac

Download Submit
C:\Users\Admin\AppData\Roaming\8LPNS5AW\8LPlogim.jpeg

Filesize
71KB

MD5
6d65d0ea6d61843c70008283fd118b67

SHA1
5e637a78fdac3c63880b493bd161c431613b76fc

SHA256
63e2d2e3dc5e8b16975708486575897eae480884077dc59645db45c2cf3fd2fe

SHA512
f327da97d4481799771d9f062c872ac2ff3074c1caf0df2c75aee887f2a659c0c620f2f2e32750cd8790db9ee0dc2b8ce6e5b143110227b42af9b400ef38f79a

Download Submit
C:\Users\Admin\AppData\Roaming\8LPNS5AW\8LPlogrf.ini

Filesize
40B

MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\8LPNS5AW\8LPlogrg.ini

Filesize
38B

MD5
4aadf49fed30e4c9b3fe4a3dd6445ebe

SHA1
1e332822167c6f351b99615eada2c30a538ff037

SHA256
75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56

SHA512
eb5b3908d5e7b43ba02165e092f05578f45f15a148b4c3769036aa542c23a0f7cd2bc2770cf4119a7e437de3f681d9e398511f69f66824c516d9b451bb95f945

Download Submit
C:\Users\Admin\AppData\Roaming\8LPNS5AW\8LPlogri.ini

Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\8LPNS5AW\8LPlogrv.ini

Filesize
40B

MD5
ba3b6bc807d4f76794c4b81b09bb9ba5

SHA1
24cb89501f0212ff3095ecc0aba97dd563718fb1

SHA256
6eebf968962745b2e9de2ca969af7c424916d4e3fe3cc0bb9b3d414abfce9507

SHA512
ecd07e601fc9e3cfc39addd7bd6f3d7f7ff3253afb40bf536e9eaac5a4c243e5ec40fbfd7b216cb0ea29f2517419601e335e33ba19dea4a46f65e38694d465bf

Download Submit
C:\Users\Admin\AppData\Roaming\8LPNS5AW\8LPlogrv.ini

Filesize
1KB

MD5
4c134e9c4f9d52f784a1479ddcc02cf9

SHA1
a54862aaaba04cf75ac3f454aa752b7ceda43b6f

SHA256
11b6714d6fbd36817360fa73ed74c8592ce7c00ba821016443ca27447023d1bd

SHA512
3eabced04bf936c56df7868428258f8b62646e1c431c8d9cb9c2d1cdfb28a330836238819873375f85d4002efb475e44f7a45a3e5e3a4624c172769073dd3a0d

Download Submit
memory/1988-1-0x0000000000DE0000-0x0000000000DF4000-memory.dmp

Filesize
80KB

Download
memory/1988-2-0x0000000077AA1000-0x0000000077BB4000-memory.dmp

Filesize
1.1MB

Download
memory/1988-4-0x0000000000DE0000-0x0000000000DF4000-memory.dmp

Filesize
80KB

Download
memory/1988-5-0x0000000000400000-0x0000000000C72000-memory.dmp

Filesize
8.4MB

Download
memory/1988-0-0x0000000000400000-0x0000000000C72000-memory.dmp

Filesize
8.4MB

Download
memory/2684-3-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2684-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3444-22-0x0000000005020000-0x0000000005187000-memory.dmp

Filesize
1.4MB

Download
memory/3444-23-0x0000000005020000-0x0000000005187000-memory.dmp

Filesize
1.4MB

Download
memory/3444-18-0x0000000002AD0000-0x0000000002B82000-memory.dmp

Filesize
712KB

Download
memory/3444-45-0x0000000005020000-0x0000000005187000-memory.dmp

Filesize
1.4MB

Download
memory/3444-8-0x0000000002AD0000-0x0000000002B82000-memory.dmp

Filesize
712KB

Download
memory/4376-15-0x00000000008A0000-0x00000000008CE000-memory.dmp

Filesize
184KB

Download
memory/4376-11-0x0000000000A00000-0x0000000000A06000-memory.dmp

Filesize
24KB

Download
memory/4376-12-0x0000000000A00000-0x0000000000A06000-memory.dmp

Filesize
24KB

Download
memory/4376-14-0x0000000000A00000-0x0000000000A06000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads