formbook | 1ed21fc2049e9b5697a5d8ec374c41bcbf83c6210fab4d58b6bdf1282f44c739

General

Target

New Order.com.exe
Size

349KB
MD5

eccac6968a61d108e33645c3e0f1f894
SHA1

d2af924951d216ea0dfa87d8a2e803b7f2ad0e96
SHA256

1ed21fc2049e9b5697a5d8ec374c41bcbf83c6210fab4d58b6bdf1282f44c739
SHA512

87a365da42ede0275541dc92b3723b8ed69bf755ca52e408e8f56e6b7efcfe8f725e5df64360bdf2922b346184643290ce02aaa4775af9f97881727d39d6a3ff

Score

10^/10

formbook dn7r rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

dn7r

C2

http://www.yourherogarden.net/dn7r/

Decoy

eventphotographerdfw.com

thehalalcoinstaking.com

philipfaziofineart.com

intercoh.com

gaiaseyephotography.com

chatbotforrealestate.com

lovelancemg.com

marlieskasberger.com

elcongoenespanol.info

lepirecredit.com

distribution-concept.com

e99game.com

exit11festival.com

twodollartoothbrushclub.com

cocktailsandlawn.com

performimprove.network

24horas-telefono-11840.com

cosmossify.com

kellenleote.com

perovskite.energy

Signatures

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

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/852-57-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/852-58-0x000000000041F200-mapping.dmp	formbook
behavioral1/memory/528-65-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

276 cmd.exe
Loads dropped DLL 1 IoCs

Processes:

New Order.com.exe

pid process

1564 New Order.com.exe

pid	process
276	cmd.exe

pid	process
1564	New Order.com.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

New Order.com.exeNew Order.com.exechkdsk.exe

description	pid	process	target process
PID 1564 set thread context of 852	1564	New Order.com.exe	New Order.com.exe
PID 852 set thread context of 1392	852	New Order.com.exe	Explorer.EXE
PID 528 set thread context of 1392	528	chkdsk.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
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
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

Processes:

New Order.com.exechkdsk.exe

pid	process
852	New Order.com.exe
852	New Order.com.exe
528	chkdsk.exe
528	chkdsk.exe
528	chkdsk.exe
528	chkdsk.exe
528	chkdsk.exe
528	chkdsk.exe
528	chkdsk.exe
528	chkdsk.exe
528	chkdsk.exe
528	chkdsk.exe
528	chkdsk.exe
528	chkdsk.exe
528	chkdsk.exe
528	chkdsk.exe
528	chkdsk.exe
528	chkdsk.exe
528	chkdsk.exe
528	chkdsk.exe
528	chkdsk.exe
528	chkdsk.exe
528	chkdsk.exe
528	chkdsk.exe
528	chkdsk.exe
528	chkdsk.exe
528	chkdsk.exe
528	chkdsk.exe
528	chkdsk.exe
528	chkdsk.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1392 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

New Order.com.exechkdsk.exe

pid process

852 New Order.com.exe
852 New Order.com.exe
852 New Order.com.exe
528 chkdsk.exe
528 chkdsk.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

New Order.com.exechkdsk.exe

description pid process

Token: SeDebugPrivilege 852 New Order.com.exe
Token: SeDebugPrivilege 528 chkdsk.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1392 Explorer.EXE
1392 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1392 Explorer.EXE
1392 Explorer.EXE

pid	process
1392	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	852	New Order.com.exe
Token: SeDebugPrivilege	528	chkdsk.exe

pid	process
1392	Explorer.EXE
1392	Explorer.EXE

pid	process
1392	Explorer.EXE
1392	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

New Order.com.exeExplorer.EXEchkdsk.exe

description	pid	process	target process
PID 1564 wrote to memory of 852	1564	New Order.com.exe	New Order.com.exe
PID 1564 wrote to memory of 852	1564	New Order.com.exe	New Order.com.exe
PID 1564 wrote to memory of 852	1564	New Order.com.exe	New Order.com.exe
PID 1564 wrote to memory of 852	1564	New Order.com.exe	New Order.com.exe
PID 1564 wrote to memory of 852	1564	New Order.com.exe	New Order.com.exe
PID 1564 wrote to memory of 852	1564	New Order.com.exe	New Order.com.exe
PID 1564 wrote to memory of 852	1564	New Order.com.exe	New Order.com.exe
PID 1392 wrote to memory of 528	1392	Explorer.EXE	chkdsk.exe
PID 1392 wrote to memory of 528	1392	Explorer.EXE	chkdsk.exe
PID 1392 wrote to memory of 528	1392	Explorer.EXE	chkdsk.exe
PID 1392 wrote to memory of 528	1392	Explorer.EXE	chkdsk.exe
PID 528 wrote to memory of 276	528	chkdsk.exe	cmd.exe
PID 528 wrote to memory of 276	528	chkdsk.exe	cmd.exe
PID 528 wrote to memory of 276	528	chkdsk.exe	cmd.exe
PID 528 wrote to memory of 276	528	chkdsk.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1392

C:\Users\Admin\AppData\Local\Temp\New Order.com.exe
"C:\Users\Admin\AppData\Local\Temp\New Order.com.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1564

C:\Users\Admin\AppData\Local\Temp\New Order.com.exe
"C:\Users\Admin\AppData\Local\Temp\New Order.com.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:852

C:\Windows\SysWOW64\chkdsk.exe
"C:\Windows\SysWOW64\chkdsk.exe"
2⤵
- Suspicious use of SetThreadContext
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:528

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\New Order.com.exe"
3⤵
- Deletes itself
PID:276

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

2

T1082

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\nstAEF6.tmp\gunt.dll
MD5
bcf0cd9c23fd11e3650b428fd970d44e

SHA1
9f760224002f17bde607d8ee8603f3a986a5daa7

SHA256
9daf8540f2a803f310144ae5966ecaf6e2c0c634c39a49ebf45f1f5955bc2723

SHA512
b4597a82f06fa2154fd0bfb4f541782bcf815bf200a78cac07ed71e05adea704e35f1a7276322d54efc26bd1cb812e14ab4dbea76b6be49d05bb1308c2cec6d4

Download Submit
memory/276-66-0x0000000000000000-mapping.dmp

Download
memory/528-63-0x0000000000000000-mapping.dmp

Download
memory/528-68-0x00000000009A0000-0x0000000000A34000-memory.dmp

Filesize
592KB

Download
memory/528-67-0x00000000021D0000-0x00000000024D3000-memory.dmp

Filesize
3.0MB

Download
memory/528-65-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/528-64-0x0000000000DC0000-0x0000000000DC7000-memory.dmp

Filesize
28KB

Download
memory/852-58-0x000000000041F200-mapping.dmp

Download
memory/852-62-0x00000000003E0000-0x00000000003F5000-memory.dmp

Filesize
84KB

Download
memory/852-60-0x0000000000770000-0x0000000000A73000-memory.dmp

Filesize
3.0MB

Download
memory/852-57-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1392-61-0x0000000004120000-0x00000000041E9000-memory.dmp

Filesize
804KB

Download
memory/1392-69-0x0000000007A90000-0x0000000007BD7000-memory.dmp

Filesize
1.3MB

Download
memory/1564-55-0x00000000758F1000-0x00000000758F3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads