formbook | fc5a052f20f4e6bca0524a941378958a7453f6c1d175bd76ab15cfefc8a2b50f

General

Target

3a4fe418c0fd2b0a6b8f077018090aa3d7bf961a51f149016cb1acd20ac0bc3c.exe
Size

891KB
MD5

f7a4a8fb3357d589997d50c32ad054a0
SHA1

60eb51c2e7c1bc2ac858d72b8344565dcede6f10
SHA256

3a4fe418c0fd2b0a6b8f077018090aa3d7bf961a51f149016cb1acd20ac0bc3c
SHA512

e51d96aa4338eefd34ab5d915be30923845b4658e743e8359991f4c216c490966b14692a106796c466529800a7463e7a2937600b47bfb1073defe7e69ceff99b

Score

10^/10

formbook modiloader n7ak persistence rat spyware stealer 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

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1204-118-0x0000000000000000-mapping.dmp	formbook
behavioral2/memory/1204-120-0x0000000010410000-0x000000001043E000-memory.dmp	formbook
behavioral2/memory/1232-126-0x0000000002FD0000-0x0000000002FFE000-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:

mstsc.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\ETL4ANIXYJK = "C:\\Program Files (x86)\\internet explorer\\ieinstal.exe"	mstsc.exe
Key created	\Registry\User\S-1-5-21-1594587808-2047097707-2163810515-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	mstsc.exe

Adds Run key to start application 2 TTPs 1 IoCs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

Processes:

mstsc.exe

description ioc process

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

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

Suspicious use of SetThreadContext 2 IoCs

Processes:

ieinstal.exemstsc.exe

description	pid	process	target process
PID 1204 set thread context of 2724	1204	ieinstal.exe	Explorer.EXE
PID 1232 set thread context of 2724	1232	mstsc.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

mstsc.exe

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

Modifies registry class 2 IoCs

Processes:

Explorer.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 50 IoCs

Processes:

ieinstal.exemstsc.exe

pid	process
1204	ieinstal.exe
1204	ieinstal.exe
1204	ieinstal.exe
1204	ieinstal.exe
1232	mstsc.exe
1232	mstsc.exe
1232	mstsc.exe
1232	mstsc.exe
1232	mstsc.exe
1232	mstsc.exe
1232	mstsc.exe
1232	mstsc.exe
1232	mstsc.exe
1232	mstsc.exe
1232	mstsc.exe
1232	mstsc.exe
1232	mstsc.exe
1232	mstsc.exe
1232	mstsc.exe
1232	mstsc.exe
1232	mstsc.exe
1232	mstsc.exe
1232	mstsc.exe
1232	mstsc.exe
1232	mstsc.exe
1232	mstsc.exe
1232	mstsc.exe
1232	mstsc.exe
1232	mstsc.exe
1232	mstsc.exe
1232	mstsc.exe
1232	mstsc.exe
1232	mstsc.exe
1232	mstsc.exe
1232	mstsc.exe
1232	mstsc.exe
1232	mstsc.exe
1232	mstsc.exe
1232	mstsc.exe
1232	mstsc.exe
1232	mstsc.exe
1232	mstsc.exe
1232	mstsc.exe
1232	mstsc.exe
1232	mstsc.exe
1232	mstsc.exe
1232	mstsc.exe
1232	mstsc.exe
1232	mstsc.exe
1232	mstsc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2724 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

ieinstal.exemstsc.exe

pid process

1204 ieinstal.exe
1204 ieinstal.exe
1204 ieinstal.exe
1232 mstsc.exe
1232 mstsc.exe
1232 mstsc.exe
1232 mstsc.exe

Suspicious use of AdjustPrivilegeToken 28 IoCs

Processes:

ieinstal.exemstsc.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1204	ieinstal.exe
Token: SeDebugPrivilege	1232	mstsc.exe
Token: SeShutdownPrivilege	2724	Explorer.EXE
Token: SeCreatePagefilePrivilege	2724	Explorer.EXE
Token: SeShutdownPrivilege	2724	Explorer.EXE
Token: SeCreatePagefilePrivilege	2724	Explorer.EXE
Token: SeShutdownPrivilege	2724	Explorer.EXE
Token: SeCreatePagefilePrivilege	2724	Explorer.EXE
Token: SeShutdownPrivilege	2724	Explorer.EXE
Token: SeCreatePagefilePrivilege	2724	Explorer.EXE
Token: SeShutdownPrivilege	2724	Explorer.EXE
Token: SeCreatePagefilePrivilege	2724	Explorer.EXE
Token: SeShutdownPrivilege	2724	Explorer.EXE
Token: SeCreatePagefilePrivilege	2724	Explorer.EXE
Token: SeShutdownPrivilege	2724	Explorer.EXE
Token: SeCreatePagefilePrivilege	2724	Explorer.EXE
Token: SeShutdownPrivilege	2724	Explorer.EXE
Token: SeCreatePagefilePrivilege	2724	Explorer.EXE
Token: SeShutdownPrivilege	2724	Explorer.EXE
Token: SeCreatePagefilePrivilege	2724	Explorer.EXE
Token: SeShutdownPrivilege	2724	Explorer.EXE
Token: SeCreatePagefilePrivilege	2724	Explorer.EXE
Token: SeShutdownPrivilege	2724	Explorer.EXE
Token: SeCreatePagefilePrivilege	2724	Explorer.EXE
Token: SeShutdownPrivilege	2724	Explorer.EXE
Token: SeCreatePagefilePrivilege	2724	Explorer.EXE
Token: SeShutdownPrivilege	2724	Explorer.EXE
Token: SeCreatePagefilePrivilege	2724	Explorer.EXE

Suspicious use of FindShellTrayWindow 10 IoCs

Processes:

Explorer.EXE

pid	process
2724	Explorer.EXE
2724	Explorer.EXE
2724	Explorer.EXE
2724	Explorer.EXE
2724	Explorer.EXE
2724	Explorer.EXE
2724	Explorer.EXE
2724	Explorer.EXE
2724	Explorer.EXE
2724	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

2724 Explorer.EXE
2724 Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

3a4fe418c0fd2b0a6b8f077018090aa3d7bf961a51f149016cb1acd20ac0bc3c.exeExplorer.EXEmstsc.exe

description	pid	process	target process
PID 652 wrote to memory of 1204	652	3a4fe418c0fd2b0a6b8f077018090aa3d7bf961a51f149016cb1acd20ac0bc3c.exe	ieinstal.exe
PID 652 wrote to memory of 1204	652	3a4fe418c0fd2b0a6b8f077018090aa3d7bf961a51f149016cb1acd20ac0bc3c.exe	ieinstal.exe
PID 652 wrote to memory of 1204	652	3a4fe418c0fd2b0a6b8f077018090aa3d7bf961a51f149016cb1acd20ac0bc3c.exe	ieinstal.exe
PID 652 wrote to memory of 1204	652	3a4fe418c0fd2b0a6b8f077018090aa3d7bf961a51f149016cb1acd20ac0bc3c.exe	ieinstal.exe
PID 652 wrote to memory of 1204	652	3a4fe418c0fd2b0a6b8f077018090aa3d7bf961a51f149016cb1acd20ac0bc3c.exe	ieinstal.exe
PID 652 wrote to memory of 1204	652	3a4fe418c0fd2b0a6b8f077018090aa3d7bf961a51f149016cb1acd20ac0bc3c.exe	ieinstal.exe
PID 2724 wrote to memory of 1232	2724	Explorer.EXE	mstsc.exe
PID 2724 wrote to memory of 1232	2724	Explorer.EXE	mstsc.exe
PID 2724 wrote to memory of 1232	2724	Explorer.EXE	mstsc.exe
PID 1232 wrote to memory of 3956	1232	mstsc.exe	Firefox.exe
PID 1232 wrote to memory of 3956	1232	mstsc.exe	Firefox.exe
PID 1232 wrote to memory of 3956	1232	mstsc.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2724

C:\Users\Admin\AppData\Local\Temp\3a4fe418c0fd2b0a6b8f077018090aa3d7bf961a51f149016cb1acd20ac0bc3c.exe
"C:\Users\Admin\AppData\Local\Temp\3a4fe418c0fd2b0a6b8f077018090aa3d7bf961a51f149016cb1acd20ac0bc3c.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:652

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:1204

C:\Windows\SysWOW64\mstsc.exe
"C:\Windows\SysWOW64\mstsc.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:1232

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:3956

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2

T1060

Privilege Escalation

Defense Evasion

Modify Registry

3

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologim.jpeg
MD5
12654d3200a855f58febdccb186f712a

SHA1
6f76e757a56904a93a1074df1a01095e866532da

SHA256
0603533ce5b7b79855f600537b6e44d0e9d313dd0eaf6c443dab3e0dfbc32685

SHA512
807d97c086a7fccfb10a33017675a4ae0a29ef81da4d07e61e216d0c2a420fa5b1e448976108e3806fe525a47659db1ccb068badb874d2c4142d381ae45b554e

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/652-114-0x0000000000A70000-0x0000000000AFE000-memory.dmp

Filesize
568KB

Download
memory/1204-118-0x0000000000000000-mapping.dmp

Download
memory/1204-120-0x0000000010410000-0x000000001043E000-memory.dmp

Filesize
184KB

Download
memory/1204-119-0x0000000000400000-0x0000000000401000-memory.dmp

Filesize
4KB

Download
memory/1204-121-0x0000000004560000-0x0000000004880000-memory.dmp

Filesize
3.1MB

Download
memory/1204-122-0x0000000000700000-0x0000000000714000-memory.dmp

Filesize
80KB

Download
memory/1232-127-0x0000000004780000-0x0000000004AA0000-memory.dmp

Filesize
3.1MB

Download
memory/1232-128-0x0000000004B40000-0x0000000004BD3000-memory.dmp

Filesize
588KB

Download
memory/1232-125-0x0000000000060000-0x000000000035C000-memory.dmp

Filesize
3.0MB

Download
memory/1232-126-0x0000000002FD0000-0x0000000002FFE000-memory.dmp

Filesize
184KB

Download
memory/1232-124-0x0000000000000000-mapping.dmp

Download
memory/2724-129-0x0000000002CA0000-0x0000000002D62000-memory.dmp

Filesize
776KB

Download
memory/2724-123-0x0000000000D00000-0x0000000000DC9000-memory.dmp

Filesize
804KB

Download
memory/3956-130-0x0000000000000000-mapping.dmp

Download
memory/3956-131-0x00007FF78D8F0000-0x00007FF78D983000-memory.dmp

Filesize
588KB

Download
memory/3956-132-0x000002372D520000-0x000002372D693000-memory.dmp

Filesize
1.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads