formbook | 3188b6281fa688f13cb4be76a97ff5fbf1f6055e98efccaf55db82ff69abef52

General

Target

order 0091.com.exe
Size

427KB
MD5

c6d40c961c2a1940c29ff433fc9217ee
SHA1

a55d2f584620864fe9eb49e7647bb86fc2c20050
SHA256

cf0d36f933310c07f1554db7e6e8a2e79c01ee933717e13f96ae841302306512
SHA512

97c9df9f0492303c86a94e0fb25edac5cbd23e30cc4bcddc00ef47f7b70a7642da57f144bfa505a3ef0cad2de7f8d4fe464e58df931aeb54861e57c84f65fff7

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/1068-56-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1068-57-0x000000000041F200-mapping.dmp	formbook
behavioral1/memory/1600-65-0x00000000000D0000-0x00000000000FF000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1876 cmd.exe
Loads dropped DLL 1 IoCs

Processes:

order 0091.com.exe

pid process

332 order 0091.com.exe

pid	process
1876	cmd.exe

pid	process
332	order 0091.com.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

order 0091.com.exeorder 0091.com.exewlanext.exe

description	pid	process	target process
PID 332 set thread context of 1068	332	order 0091.com.exe	order 0091.com.exe
PID 1068 set thread context of 1204	1068	order 0091.com.exe	Explorer.EXE
PID 1600 set thread context of 1204	1600	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

Suspicious behavior: EnumeratesProcesses 30 IoCs

Processes:

order 0091.com.exewlanext.exe

pid	process
1068	order 0091.com.exe
1068	order 0091.com.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1204 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

order 0091.com.exewlanext.exe

pid process

1068 order 0091.com.exe
1068 order 0091.com.exe
1068 order 0091.com.exe
1600 wlanext.exe
1600 wlanext.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

order 0091.com.exewlanext.exe

description pid process

Token: SeDebugPrivilege 1068 order 0091.com.exe
Token: SeDebugPrivilege 1600 wlanext.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1204 Explorer.EXE
1204 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1204 Explorer.EXE
1204 Explorer.EXE

pid	process
1204	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1068	order 0091.com.exe
Token: SeDebugPrivilege	1600	wlanext.exe

pid	process
1204	Explorer.EXE
1204	Explorer.EXE

pid	process
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

order 0091.com.exeExplorer.EXEwlanext.exe

description	pid	process	target process
PID 332 wrote to memory of 1068	332	order 0091.com.exe	order 0091.com.exe
PID 332 wrote to memory of 1068	332	order 0091.com.exe	order 0091.com.exe
PID 332 wrote to memory of 1068	332	order 0091.com.exe	order 0091.com.exe
PID 332 wrote to memory of 1068	332	order 0091.com.exe	order 0091.com.exe
PID 332 wrote to memory of 1068	332	order 0091.com.exe	order 0091.com.exe
PID 332 wrote to memory of 1068	332	order 0091.com.exe	order 0091.com.exe
PID 332 wrote to memory of 1068	332	order 0091.com.exe	order 0091.com.exe
PID 1204 wrote to memory of 1600	1204	Explorer.EXE	wlanext.exe
PID 1204 wrote to memory of 1600	1204	Explorer.EXE	wlanext.exe
PID 1204 wrote to memory of 1600	1204	Explorer.EXE	wlanext.exe
PID 1204 wrote to memory of 1600	1204	Explorer.EXE	wlanext.exe
PID 1600 wrote to memory of 1876	1600	wlanext.exe	cmd.exe
PID 1600 wrote to memory of 1876	1600	wlanext.exe	cmd.exe
PID 1600 wrote to memory of 1876	1600	wlanext.exe	cmd.exe
PID 1600 wrote to memory of 1876	1600	wlanext.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:1204

C:\Users\Admin\AppData\Local\Temp\order 0091.com.exe
"C:\Users\Admin\AppData\Local\Temp\order 0091.com.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:332

C:\Users\Admin\AppData\Local\Temp\order 0091.com.exe
"C:\Users\Admin\AppData\Local\Temp\order 0091.com.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1068

C:\Windows\SysWOW64\wlanext.exe
"C:\Windows\SysWOW64\wlanext.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1600

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\order 0091.com.exe"
3⤵
- Deletes itself
PID:1876

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\nsiFB31.tmp\brfrqelhtqi.dll
MD5
08f8c05553706af957306d9cce346ebb

SHA1
bc1ccb5f00c582752d4a5103b122fe5299dad8d4

SHA256
628e6ecd0231ccdefd6d684a8d0f07ff16f0213ae04e29adb7ff94853cce2cc3

SHA512
3dd9ea6672f45734931e194b066fe042a4d79e6cdd8a8999b874b7a4eaacf09d123e77d996be795b0d6e131fd9555e17fd4af445c1ad8c9a9cd3cb5f0ec1e0a1

Download Submit
memory/332-54-0x00000000768C1000-0x00000000768C3000-memory.dmp

Filesize
8KB

Download
memory/1068-59-0x00000000008F0000-0x0000000000BF3000-memory.dmp

Filesize
3.0MB

Download
memory/1068-57-0x000000000041F200-mapping.dmp

Download
memory/1068-60-0x0000000000350000-0x0000000000365000-memory.dmp

Filesize
84KB

Download
memory/1068-56-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1204-61-0x0000000004B60000-0x0000000004C91000-memory.dmp

Filesize
1.2MB

Download
memory/1204-68-0x0000000007DD0000-0x0000000007F1C000-memory.dmp

Filesize
1.3MB

Download
memory/1600-62-0x0000000000000000-mapping.dmp

Download
memory/1600-64-0x0000000000D50000-0x0000000000D66000-memory.dmp

Filesize
88KB

Download
memory/1600-65-0x00000000000D0000-0x00000000000FF000-memory.dmp

Filesize
188KB

Download
memory/1600-66-0x0000000002170000-0x0000000002473000-memory.dmp

Filesize
3.0MB

Download
memory/1600-67-0x0000000000910000-0x00000000009A4000-memory.dmp

Filesize
592KB

Download
memory/1876-63-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads