formbook | 1baad45cc119fef01aa0a48c0ea82a6dc10c3365d44984d50f94f25866063474

Analysis

max time kernel
150s
max time network
149s
platform
windows10_x64
resource
win10v20210408
submitted
19-04-2021 18:40

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General

Target

ijeonyi.com.exe
Size

2.7MB
MD5

a4c6ea4179cc3e52033866c2e100aa83
SHA1

3d282d189f9b1920de79e4dd0aa36cc280f6b53e
SHA256

1baad45cc119fef01aa0a48c0ea82a6dc10c3365d44984d50f94f25866063474
SHA512

0519e921e35d85872f0e8b73a60efb108ab17c81bc1cdfcdc75e9df225ddf8fb6c8d262f63e0ff1f0efb76990808f102214db6f6239d38fd866a1c64130787f3

Score

10^/10

formbook persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

http://www.hollandhousedesigns.design/vns/

Decoy

sparkspressworld.com

everydayresidency.com

thebosscollectionn.com

milkweedmagic.com

worklesshours.com

romeosfurnituremadera.com

unclepetesproduce.com

athleticamackay.com

9nhl.com

powellassetmanagement.com

jxlamp.com

onpointpetproducts.com

buymysoft.com

nazertrader.com

goprj.com

keeptalkservice.com

aolei1688.com

donstackl.com

almasorchids.com

pj5bwn.com

Signatures

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

Formbook Payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2732-125-0x0000000002A00000-0x0000000002A2E000-memory.dmp	formbook

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wlanext.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1594587808-2047097707-2163810515-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	wlanext.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\FTPLLHTPJLY = "C:\\Users\\Admin\\AppData\\Roaming\\FMPlayerSoftware\\FMPlayerLauncher.exe"	wlanext.exe

Executes dropped EXE 1 IoCs

Processes:

FMPlayerLauncher.exe

pid process

3648 FMPlayerLauncher.exe
Loads dropped DLL 1 IoCs

Processes:

FMPlayerLauncher.exe

pid process

3648 FMPlayerLauncher.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wlanext.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1594587808-2047097707-2163810515-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	wlanext.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

FMPlayerLauncher.exewlanext.exe

description	pid	process	target process
PID 3648 set thread context of 3060	3648	FMPlayerLauncher.exe	Explorer.EXE
PID 2732 set thread context of 3060	2732	wlanext.exe	Explorer.EXE

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

wlanext.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1594587808-2047097707-2163810515-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	wlanext.exe

Suspicious behavior: EnumeratesProcesses 34 IoCs

Processes:

FMPlayerLauncher.exewlanext.exe

pid	process
3648	FMPlayerLauncher.exe
3648	FMPlayerLauncher.exe
3648	FMPlayerLauncher.exe
3648	FMPlayerLauncher.exe
2732	wlanext.exe
2732	wlanext.exe
2732	wlanext.exe
2732	wlanext.exe
2732	wlanext.exe
2732	wlanext.exe
2732	wlanext.exe
2732	wlanext.exe
2732	wlanext.exe
2732	wlanext.exe
2732	wlanext.exe
2732	wlanext.exe
2732	wlanext.exe
2732	wlanext.exe
2732	wlanext.exe
2732	wlanext.exe
2732	wlanext.exe
2732	wlanext.exe
2732	wlanext.exe
2732	wlanext.exe
2732	wlanext.exe
2732	wlanext.exe
2732	wlanext.exe
2732	wlanext.exe
2732	wlanext.exe
2732	wlanext.exe
2732	wlanext.exe
2732	wlanext.exe
2732	wlanext.exe
2732	wlanext.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3060 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

FMPlayerLauncher.exewlanext.exe

pid process

3648 FMPlayerLauncher.exe
3648 FMPlayerLauncher.exe
3648 FMPlayerLauncher.exe
2732 wlanext.exe
2732 wlanext.exe
2732 wlanext.exe
2732 wlanext.exe

pid	process
3060	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 10 IoCs

Processes:

FMPlayerLauncher.exeExplorer.EXEwlanext.exe

description	pid	process
Token: SeDebugPrivilege	3648	FMPlayerLauncher.exe
Token: SeShutdownPrivilege	3060	Explorer.EXE
Token: SeCreatePagefilePrivilege	3060	Explorer.EXE
Token: SeDebugPrivilege	2732	wlanext.exe
Token: SeShutdownPrivilege	3060	Explorer.EXE
Token: SeCreatePagefilePrivilege	3060	Explorer.EXE
Token: SeShutdownPrivilege	3060	Explorer.EXE
Token: SeCreatePagefilePrivilege	3060	Explorer.EXE
Token: SeShutdownPrivilege	3060	Explorer.EXE
Token: SeCreatePagefilePrivilege	3060	Explorer.EXE

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

ijeonyi.com.exeExplorer.EXEwlanext.exe

description	pid	process	target process
PID 752 wrote to memory of 3648	752	ijeonyi.com.exe	FMPlayerLauncher.exe
PID 752 wrote to memory of 3648	752	ijeonyi.com.exe	FMPlayerLauncher.exe
PID 752 wrote to memory of 3648	752	ijeonyi.com.exe	FMPlayerLauncher.exe
PID 3060 wrote to memory of 2732	3060	Explorer.EXE	wlanext.exe
PID 3060 wrote to memory of 2732	3060	Explorer.EXE	wlanext.exe
PID 3060 wrote to memory of 2732	3060	Explorer.EXE	wlanext.exe
PID 2732 wrote to memory of 1284	2732	wlanext.exe	Firefox.exe
PID 2732 wrote to memory of 1284	2732	wlanext.exe	Firefox.exe
PID 2732 wrote to memory of 1284	2732	wlanext.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3060

C:\Users\Admin\AppData\Local\Temp\ijeonyi.com.exe
"C:\Users\Admin\AppData\Local\Temp\ijeonyi.com.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:752

C:\Users\Admin\AppData\Roaming\FMPlayerSoftware\FMPlayerLauncher.exe
C:\Users\Admin\AppData\Roaming\FMPlayerSoftware\FMPlayerLauncher.exe
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3648

C:\Windows\SysWOW64\wlanext.exe
"C:\Windows\SysWOW64\wlanext.exe"
2⤵
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2732

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1284

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\FMPlayerSoftware\FMPlayerLauncher.exe
MD5
419b47fd0246a2c73e62b198c1be0eaa

SHA1
76e7971057ed82638fc0811a8e36be458c24796f

SHA256
7f09dadd04613493aaafea8b13a7bea08d3f0db4a69a5abe540e90f8d344400f

SHA512
2c5724bcf716ebb58e84bd3fde916ab956a224bf711594d5b9f6aed819894733686c1d46f72e72a84330f06c25cd9ae5c4c0950bdf4fa3a93b6002a1adfa972e

Download Submit
C:\Users\Admin\AppData\Roaming\FMPlayerSoftware\FMPlayerLauncher.exe
MD5
419b47fd0246a2c73e62b198c1be0eaa

SHA1
76e7971057ed82638fc0811a8e36be458c24796f

SHA256
7f09dadd04613493aaafea8b13a7bea08d3f0db4a69a5abe540e90f8d344400f

SHA512
2c5724bcf716ebb58e84bd3fde916ab956a224bf711594d5b9f6aed819894733686c1d46f72e72a84330f06c25cd9ae5c4c0950bdf4fa3a93b6002a1adfa972e

Download Submit
C:\Users\Admin\AppData\Roaming\FMPlayerSoftware\config.ini
MD5
9ff41a15752595741c706e0920c3b6c0

SHA1
8e799616685c1ce15906c097b5e25c74197d7f7c

SHA256
e7ead82dd8a73f3ad08d41f7b0d173f966c9ea099158cbdbb4fbe309fc6141b8

SHA512
1df3437e5922de3f3bea416d0d766c1752e40dd23614700addbb63f7af9dfee0f4c3a2e447d9b9b5d137f34f9cbdb0d8ad5b29d2dc69b0673496356cc27fa3bc

Download Submit
C:\Users\Admin\AppData\Roaming\FMPlayerSoftware\libtag9.dll
MD5
a05c09ea0f3fd5dbdc528dbeb8815bb3

SHA1
9f19f5ee4af5f13efc35908d69a2b6e501878be3

SHA256
b4e4ab0157dc276773e416e92f9cd216d763d7f6fb1ba4fa5223b2a7ec47f2ff

SHA512
58f981e5b0a2f4f72b821718e637c1df9edc77df68aea20b0a1592f383f456107668ebe8bc49ab31f8004537fe33f595400ea5b70cb9ab878593534883c472bf

Download Submit
C:\Users\Admin\AppData\Roaming\N3R349B2\N3Rlogim.jpeg
MD5
cf8a8802b06dd68a55c5aff625af1fa7

SHA1
f5fbb30f335c9f002c68b92ab91949b91e261496

SHA256
90a8dd6b0b68969b7140f1658160f26bf1a6411e3e3e39fc14af5fd863fa07db

SHA512
37fbbf92539d3a9ac09c0df854eaf13c0abf36d7f1fc0af7e205ac5ef003ac5410451598576902673fd85bc7de8cfff1f131c001411caf1824048fb1945a52e6

Download Submit
C:\Users\Admin\AppData\Roaming\N3R349B2\N3Rlogrf.ini
MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\N3R349B2\N3Rlogri.ini
MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\N3R349B2\N3Rlogrv.ini
MD5
bbc41c78bae6c71e63cb544a6a284d94

SHA1
33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

SHA256
ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

SHA512
0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

Download Submit
\Users\Admin\AppData\Roaming\FMPlayerSoftware\libtag9.dll
MD5
a05c09ea0f3fd5dbdc528dbeb8815bb3

SHA1
9f19f5ee4af5f13efc35908d69a2b6e501878be3

SHA256
b4e4ab0157dc276773e416e92f9cd216d763d7f6fb1ba4fa5223b2a7ec47f2ff

SHA512
58f981e5b0a2f4f72b821718e637c1df9edc77df68aea20b0a1592f383f456107668ebe8bc49ab31f8004537fe33f595400ea5b70cb9ab878593534883c472bf

Download Submit
memory/1284-129-0x0000000000000000-mapping.dmp

Download
memory/1284-131-0x0000025715530000-0x0000025715618000-memory.dmp

Filesize
928KB

Download
memory/1284-130-0x00007FF6FBC20000-0x00007FF6FBCB3000-memory.dmp

Filesize
588KB

Download
memory/2732-124-0x00000000001C0000-0x00000000001D7000-memory.dmp

Filesize
92KB

Download
memory/2732-125-0x0000000002A00000-0x0000000002A2E000-memory.dmp

Filesize
184KB

Download
memory/2732-126-0x0000000002DE0000-0x0000000003100000-memory.dmp

Filesize
3.1MB

Download
memory/2732-127-0x0000000002D20000-0x0000000002DB3000-memory.dmp

Filesize
588KB

Download
memory/2732-123-0x0000000000000000-mapping.dmp

Download
memory/3060-128-0x0000000006950000-0x0000000006ABB000-memory.dmp

Filesize
1.4MB

Download
memory/3060-122-0x0000000005AD0000-0x0000000005C00000-memory.dmp

Filesize
1.2MB

Download
memory/3648-114-0x0000000000000000-mapping.dmp

Download
memory/3648-121-0x00000000018E0000-0x00000000018F4000-memory.dmp

Filesize
80KB

Download
memory/3648-120-0x0000000003AF0000-0x0000000003E10000-memory.dmp

Filesize
3.1MB

Download