formbook | 2513ba5d8b701ae089a745b5412d6c02cdfd72ed2130ad52533606e6090e7351

General

Target

productos de calidad pdf.exe
Size

1.0MB
MD5

732a863df49b7ff21fcc5e334acb296f
SHA1

ca761e7fdf3b189baaeecb323c4a850b1578b663
SHA256

10fc322f518502524aad3ad5033204838dec25e07dec17646de39509b690747d
SHA512

75fe65c36726b6996625201bdc1acdd405fa8abea6dc5a00daaed55af4394987a2799939dd9470e40a3af87128a77deca047e17959380be3b99d3e0820f1e51a

Score

10^/10

formbook modiloader n7ak persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

n7ak

C2

http://www.kmresults.com/n7ak/

Decoy

modischoolcbse.com

theneverwinter.com

rszkjx-vps-hosting.website

fnihil.com

1pbet.com

nnowzscorrez.com

uaotgvjl.icu

starmapsqatar.com

ekisilani.com

extradeepsheets.com

jam-nins.com

buranly.com

orixentertainment.com

rawtech.energy

myol.guru

utex.club

jiapie.com

wowig.store

wweidlyyl.com

systaskautomation.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
suricata

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3936-115-0x0000000000000000-mapping.dmp	formbook
behavioral2/memory/3936-117-0x0000000010410000-0x000000001043E000-memory.dmp	formbook
behavioral2/memory/3352-123-0x0000000000B50000-0x0000000000B7E000-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:

ipconfig.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-3686645723-710336880-414668232-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	ipconfig.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\X0P8ANZHUBVT = "C:\\Program Files (x86)\\internet explorer\\ieinstal.exe"	ipconfig.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

ipconfig.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-3686645723-710336880-414668232-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	ipconfig.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

ieinstal.exeipconfig.exe

description	pid	process	target process
PID 3936 set thread context of 3052	3936	ieinstal.exe	Explorer.EXE
PID 3352 set thread context of 3052	3352	ipconfig.exe	Explorer.EXE

Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

ipconfig.exe

pid process

3352 ipconfig.exe

pid	process
3352	ipconfig.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

ipconfig.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-3686645723-710336880-414668232-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 54 IoCs

Processes:

ieinstal.exeipconfig.exe

pid	process
3936	ieinstal.exe
3936	ieinstal.exe
3936	ieinstal.exe
3936	ieinstal.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe
3352	ipconfig.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3052 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

ieinstal.exeipconfig.exe

pid process

3936 ieinstal.exe
3936 ieinstal.exe
3936 ieinstal.exe
3352 ipconfig.exe
3352 ipconfig.exe
3352 ipconfig.exe
3352 ipconfig.exe

pid	process
3052	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

ieinstal.exeipconfig.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	3936	ieinstal.exe
Token: SeDebugPrivilege	3352	ipconfig.exe
Token: SeShutdownPrivilege	3052	Explorer.EXE
Token: SeCreatePagefilePrivilege	3052	Explorer.EXE
Token: SeShutdownPrivilege	3052	Explorer.EXE
Token: SeCreatePagefilePrivilege	3052	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

productos de calidad pdf.exeExplorer.EXEipconfig.exe

description	pid	process	target process
PID 3736 wrote to memory of 3936	3736	productos de calidad pdf.exe	ieinstal.exe
PID 3736 wrote to memory of 3936	3736	productos de calidad pdf.exe	ieinstal.exe
PID 3736 wrote to memory of 3936	3736	productos de calidad pdf.exe	ieinstal.exe
PID 3736 wrote to memory of 3936	3736	productos de calidad pdf.exe	ieinstal.exe
PID 3736 wrote to memory of 3936	3736	productos de calidad pdf.exe	ieinstal.exe
PID 3736 wrote to memory of 3936	3736	productos de calidad pdf.exe	ieinstal.exe
PID 3052 wrote to memory of 3352	3052	Explorer.EXE	ipconfig.exe
PID 3052 wrote to memory of 3352	3052	Explorer.EXE	ipconfig.exe
PID 3052 wrote to memory of 3352	3052	Explorer.EXE	ipconfig.exe
PID 3352 wrote to memory of 3940	3352	ipconfig.exe	Firefox.exe
PID 3352 wrote to memory of 3940	3352	ipconfig.exe	Firefox.exe
PID 3352 wrote to memory of 3940	3352	ipconfig.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3052

C:\Users\Admin\AppData\Local\Temp\productos de calidad pdf.exe
"C:\Users\Admin\AppData\Local\Temp\productos de calidad pdf.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3736

C:\Program Files (x86)\internet explorer\ieinstal.exe
"C:\Program Files (x86)\internet explorer\ieinstal.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3936

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:3184

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:3676

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:3500

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:3456

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:1528

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:2268

C:\Windows\SysWOW64\ipconfig.exe
"C:\Windows\SysWOW64\ipconfig.exe"
2⤵
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Gathers network information
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3352

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:3940

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Registry Run Keys / Startup Folder

2

T1060

Privilege Escalation

Defense Evasion

Modify Registry

3

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologim.jpeg
MD5
de7261538171d4e3acaf8440d1fe73c0

SHA1
55da0f3c68707d8faf3914bfafd0ce7cf1e59c66

SHA256
fdb039991b0934269d11da5a8ddfb0870b8d5797a9ad31567a2d650bb3c085ad

SHA512
9e1ae52511d04a0b7a642bfdd7ba059fcb5efff84fcc7886d61d803a036409ecaafca9ec3e12ef05175fc97b26f883d0daf402e165a857225d7147792d20b876

Download Submit
C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologrf.ini
MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologri.ini
MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologrv.ini
MD5
bbc41c78bae6c71e63cb544a6a284d94

SHA1
33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

SHA256
ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

SHA512
0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

Download Submit
memory/3052-126-0x0000000004FD0000-0x000000000513A000-memory.dmp

Filesize
1.4MB

Download
memory/3052-120-0x0000000005F50000-0x0000000006021000-memory.dmp

Filesize
836KB

Download
memory/3352-121-0x0000000000000000-mapping.dmp

Download
memory/3352-123-0x0000000000B50000-0x0000000000B7E000-memory.dmp

Filesize
184KB

Download
memory/3352-122-0x0000000000DB0000-0x0000000000DBB000-memory.dmp

Filesize
44KB

Download
memory/3352-124-0x00000000034C0000-0x00000000037E0000-memory.dmp

Filesize
3.1MB

Download
memory/3352-125-0x0000000003320000-0x00000000033B3000-memory.dmp

Filesize
588KB

Download
memory/3736-114-0x00000000006B0000-0x00000000006B1000-memory.dmp

Filesize
4KB

Download
memory/3936-118-0x0000000005040000-0x0000000005360000-memory.dmp

Filesize
3.1MB

Download
memory/3936-119-0x0000000004F20000-0x0000000004F34000-memory.dmp

Filesize
80KB

Download
memory/3936-116-0x0000000002F90000-0x0000000002F91000-memory.dmp

Filesize
4KB

Download
memory/3936-117-0x0000000010410000-0x000000001043E000-memory.dmp

Filesize
184KB

Download
memory/3936-115-0x0000000000000000-mapping.dmp

Download
memory/3940-127-0x0000000000000000-mapping.dmp

Download
memory/3940-129-0x000001F8563B0000-0x000001F8564B3000-memory.dmp

Filesize
1.0MB

Download
memory/3940-128-0x00007FF6A58F0000-0x00007FF6A5983000-memory.dmp

Filesize
588KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads