formbook | 1838fa7643bf6969dc148db531f8c006ecb70868d96d3e27dbb52edd59d96719

General

Target

order pdf.exe
Size

1.9MB
MD5

5fef369ad1f4b213b832f6ded2a9af31
SHA1

0c9579a45f5d8b7c207a292c20b6dabbbe7671c6
SHA256

f4511d5d7fcb86cd5c810c8700f755dcbb6eddc3bf0dfb32ea033e864db68626
SHA512

253f8c927a0215977f4b67a6e0863de55901cd09b3c311a2f4c5e2fc03dcd25cc86df4f907cb82e8154b6e71e24fbd5e5dbb4a7811bc2a34d96847f2a57692c7

Score

10^/10

formbook n7ak persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

n7ak

Decoy

audereventur.com

huro14.com

wwwjinsha155.com

antiquevendor.com

samuraisoulfood.net

traffic4updates.download

hypersarv.com

rapport-happy-wedding.com

rokutechnosupport.online

allworljob.com

hanaleedossmann.com

kauai-marathon.com

bepbosch.com

kangen-international.com

zoneshopemenowz.com

belviderewrestling.com

ipllink.com

sellingforcreators.com

wwwswty6655.com

qtumboa.com

Signatures

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

Formbook Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/360-60-0x0000000000400000-0x000000000042D000-memory.dmp	formbook
behavioral1/memory/1636-63-0x0000000000080000-0x00000000000AD000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

656 cmd.exe
Drops startup file 1 IoCs

Processes:

order pdf.exe

description ioc process

File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.url order pdf.exe

pid	process
656	cmd.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.url	order pdf.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

chkdsk.exe

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	chkdsk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\YJ5DJR5H52 = "C:\\Program Files (x86)\\A6lgd7bm\\gdiwbphud.exe"	chkdsk.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

order pdf.exeorder pdf.exechkdsk.exe

description	pid	process	target process
PID 740 set thread context of 360	740	order pdf.exe	order pdf.exe
PID 360 set thread context of 1200	360	order pdf.exe	Explorer.EXE
PID 1636 set thread context of 1200	1636	chkdsk.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

chkdsk.exe

description ioc process

File opened for modification C:\Program Files (x86)\A6lgd7bm\gdiwbphud.exe chkdsk.exe
Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

chkdsk.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier chkdsk.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\A6lgd7bm\gdiwbphud.exe	chkdsk.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

chkdsk.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-2329389628-4064185017-3901522362-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

Processes:

order pdf.exechkdsk.exe

pid	process
360	order pdf.exe
360	order pdf.exe
1636	chkdsk.exe
1636	chkdsk.exe
1636	chkdsk.exe
1636	chkdsk.exe
1636	chkdsk.exe
1636	chkdsk.exe
1636	chkdsk.exe
1636	chkdsk.exe
1636	chkdsk.exe
1636	chkdsk.exe
1636	chkdsk.exe
1636	chkdsk.exe
1636	chkdsk.exe
1636	chkdsk.exe
1636	chkdsk.exe
1636	chkdsk.exe
1636	chkdsk.exe
1636	chkdsk.exe
1636	chkdsk.exe
1636	chkdsk.exe
1636	chkdsk.exe
1636	chkdsk.exe
1636	chkdsk.exe
1636	chkdsk.exe
1636	chkdsk.exe
1636	chkdsk.exe
1636	chkdsk.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1200 Explorer.EXE

pid	process
1200	Explorer.EXE

Suspicious behavior: MapViewOfSection 29 IoCs

Processes:

order pdf.exeorder pdf.exechkdsk.exe

pid	process
740	order pdf.exe
740	order pdf.exe
740	order pdf.exe
740	order pdf.exe
740	order pdf.exe
740	order pdf.exe
740	order pdf.exe
740	order pdf.exe
740	order pdf.exe
740	order pdf.exe
740	order pdf.exe
740	order pdf.exe
740	order pdf.exe
740	order pdf.exe
740	order pdf.exe
740	order pdf.exe
740	order pdf.exe
740	order pdf.exe
740	order pdf.exe
740	order pdf.exe
740	order pdf.exe
740	order pdf.exe
360	order pdf.exe
360	order pdf.exe
360	order pdf.exe
1636	chkdsk.exe
1636	chkdsk.exe
1636	chkdsk.exe
1636	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

order pdf.exechkdsk.exe

description pid process

Token: SeDebugPrivilege 360 order pdf.exe
Token: SeDebugPrivilege 1636 chkdsk.exe
Suspicious use of FindShellTrayWindow 5 IoCs

Processes:

order pdf.exeExplorer.EXE

pid process

740 order pdf.exe
740 order pdf.exe
740 order pdf.exe
1200 Explorer.EXE
1200 Explorer.EXE
Suspicious use of SendNotifyMessage 5 IoCs

Processes:

order pdf.exeExplorer.EXE

pid process

740 order pdf.exe
740 order pdf.exe
740 order pdf.exe
1200 Explorer.EXE
1200 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	360	order pdf.exe
Token: SeDebugPrivilege	1636	chkdsk.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

order pdf.exe

description	pid	process	target process
PID 740 wrote to memory of 1668	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 1668	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 1668	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 1668	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 1664	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 1664	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 1664	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 1664	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 1920	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 1920	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 1920	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 1920	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 1808	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 1808	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 1808	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 1808	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 1288	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 1288	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 1288	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 1288	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 516	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 516	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 516	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 516	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 652	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 652	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 652	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 652	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 460	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 460	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 460	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 460	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 760	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 760	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 760	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 760	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 1176	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 1176	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 1176	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 1176	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 1032	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 1032	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 1032	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 1032	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 1504	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 1504	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 1504	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 1504	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 1496	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 1496	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 1496	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 1496	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 1484	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 1484	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 1484	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 1484	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 1488	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 1488	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 1488	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 1488	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 620	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 620	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 620	740	order pdf.exe	order pdf.exe
PID 740 wrote to memory of 620	740	order pdf.exe	order pdf.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1200

C:\Users\Admin\AppData\Local\Temp\order pdf.exe
"C:\Users\Admin\AppData\Local\Temp\order pdf.exe"
2⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:740

C:\Users\Admin\AppData\Local\Temp\order pdf.exe
"C:\Users\Admin\AppData\Local\Temp\order pdf.exe"
3⤵
PID:1668

C:\Users\Admin\AppData\Local\Temp\order pdf.exe
"C:\Users\Admin\AppData\Local\Temp\order pdf.exe"
3⤵
PID:1664

C:\Users\Admin\AppData\Local\Temp\order pdf.exe
"C:\Users\Admin\AppData\Local\Temp\order pdf.exe"
3⤵
PID:1920

C:\Users\Admin\AppData\Local\Temp\order pdf.exe
"C:\Users\Admin\AppData\Local\Temp\order pdf.exe"
3⤵
PID:1808

C:\Users\Admin\AppData\Local\Temp\order pdf.exe
"C:\Users\Admin\AppData\Local\Temp\order pdf.exe"
3⤵
PID:1288

C:\Users\Admin\AppData\Local\Temp\order pdf.exe
"C:\Users\Admin\AppData\Local\Temp\order pdf.exe"
3⤵
PID:516

C:\Users\Admin\AppData\Local\Temp\order pdf.exe
"C:\Users\Admin\AppData\Local\Temp\order pdf.exe"
3⤵
PID:652

C:\Users\Admin\AppData\Local\Temp\order pdf.exe
"C:\Users\Admin\AppData\Local\Temp\order pdf.exe"
3⤵
PID:460

C:\Users\Admin\AppData\Local\Temp\order pdf.exe
"C:\Users\Admin\AppData\Local\Temp\order pdf.exe"
3⤵
PID:760

C:\Users\Admin\AppData\Local\Temp\order pdf.exe
"C:\Users\Admin\AppData\Local\Temp\order pdf.exe"
3⤵
PID:1176

C:\Users\Admin\AppData\Local\Temp\order pdf.exe
"C:\Users\Admin\AppData\Local\Temp\order pdf.exe"
3⤵
PID:1032

C:\Users\Admin\AppData\Local\Temp\order pdf.exe
"C:\Users\Admin\AppData\Local\Temp\order pdf.exe"
3⤵
PID:1504

C:\Users\Admin\AppData\Local\Temp\order pdf.exe
"C:\Users\Admin\AppData\Local\Temp\order pdf.exe"
3⤵
PID:1496

C:\Users\Admin\AppData\Local\Temp\order pdf.exe
"C:\Users\Admin\AppData\Local\Temp\order pdf.exe"
3⤵
PID:1484

C:\Users\Admin\AppData\Local\Temp\order pdf.exe
"C:\Users\Admin\AppData\Local\Temp\order pdf.exe"
3⤵
PID:1488

C:\Users\Admin\AppData\Local\Temp\order pdf.exe
"C:\Users\Admin\AppData\Local\Temp\order pdf.exe"
3⤵
PID:620

C:\Users\Admin\AppData\Local\Temp\order pdf.exe
"C:\Users\Admin\AppData\Local\Temp\order pdf.exe"
3⤵
PID:1364

C:\Users\Admin\AppData\Local\Temp\order pdf.exe
"C:\Users\Admin\AppData\Local\Temp\order pdf.exe"
3⤵
PID:964

C:\Users\Admin\AppData\Local\Temp\order pdf.exe
"C:\Users\Admin\AppData\Local\Temp\order pdf.exe"
3⤵
PID:1572

C:\Users\Admin\AppData\Local\Temp\order pdf.exe
"C:\Users\Admin\AppData\Local\Temp\order pdf.exe"
3⤵
PID:1784

C:\Users\Admin\AppData\Local\Temp\order pdf.exe
"C:\Users\Admin\AppData\Local\Temp\order pdf.exe"
3⤵
PID:1480

C:\Users\Admin\AppData\Local\Temp\order pdf.exe
"C:\Users\Admin\AppData\Local\Temp\order pdf.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:360

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:428

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:1848

C:\Windows\SysWOW64\chkdsk.exe
"C:\Windows\SysWOW64\chkdsk.exe"
2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1636

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\order pdf.exe"
3⤵
- Deletes itself
PID:656

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:336

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologim.jpeg
MD5
67af541085067258fcafb4a3d630e384

SHA1
a1d913e5d16265b294c1b3b0f2ab3bc0ecb26f26

SHA256
5b60f4e0ff2b3653a0d6900af8157c0bc7c93b9f8117f8c3d847f6cf4845c9ef

SHA512
186453fc00f0fb6141b2fc6e96717842c5dc23f93bd2c27dad21c4a1a7d332a07cb0511a3cd3fb2fc0b495cc0ce1ace00e82f9b0a2ebf639f8f949510b2615da

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
ba3b6bc807d4f76794c4b81b09bb9ba5

SHA1
24cb89501f0212ff3095ecc0aba97dd563718fb1

SHA256
6eebf968962745b2e9de2ca969af7c424916d4e3fe3cc0bb9b3d414abfce9507

SHA512
ecd07e601fc9e3cfc39addd7bd6f3d7f7ff3253afb40bf536e9eaac5a4c243e5ec40fbfd7b216cb0ea29f2517419601e335e33ba19dea4a46f65e38694d465bf

Download Submit
memory/360-60-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/360-61-0x0000000000140000-0x0000000000154000-memory.dmp

Filesize
80KB

Download
memory/360-59-0x000000000041E000-0x000000000041F000-memory.dmp

Filesize
4KB

Download
memory/360-57-0x0000000001170000-0x0000000001473000-memory.dmp

Filesize
3.0MB

Download
memory/740-55-0x0000000075321000-0x0000000075323000-memory.dmp

Filesize
8KB

Download
memory/740-56-0x0000000000640000-0x000000000066D000-memory.dmp

Filesize
180KB

Download
memory/1200-58-0x0000000006000000-0x0000000006167000-memory.dmp

Filesize
1.4MB

Download
memory/1200-66-0x0000000007490000-0x00000000075C1000-memory.dmp

Filesize
1.2MB

Download
memory/1636-62-0x0000000000CD0000-0x0000000000CD7000-memory.dmp

Filesize
28KB

Download
memory/1636-63-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/1636-64-0x00000000020E0000-0x00000000023E3000-memory.dmp

Filesize
3.0MB

Download
memory/1636-65-0x00000000023F0000-0x0000000002483000-memory.dmp

Filesize
588KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads