formbook | 336a2648e0811ebd11a94bb59c5cd5ea06ff48485f734ce149a3f9f9a7e0c7f4

General

Target

Unbezahlte Rechnungszahlungen.exe
Size

252KB
MD5

b16bb2a4fe3ee1b986926530169eeb44
SHA1

b4c9eb0cc26a50743d51ee56ea7639a64f43dafa
SHA256

336a2648e0811ebd11a94bb59c5cd5ea06ff48485f734ce149a3f9f9a7e0c7f4
SHA512

2c5e2ff040d22683dfd4b366048f21db8e8f9c9ef636501a73539ac92b61d60818aa049ba265080275151b8f7cb317b68dfd9e4ff9777c867eac20fd8f798d68

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/1300-2-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1300-3-0x000000000041F200-mapping.dmp	formbook
behavioral1/memory/1972-71-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1052 cmd.exe
Loads dropped DLL 1 IoCs

Processes:

Unbezahlte Rechnungszahlungen.exe

pid process

1832 Unbezahlte Rechnungszahlungen.exe

pid	process
1052	cmd.exe

pid	process
1832	Unbezahlte Rechnungszahlungen.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Unbezahlte Rechnungszahlungen.exeUnbezahlte Rechnungszahlungen.exewininit.exe

description	pid	process	target process
PID 1832 set thread context of 1300	1832	Unbezahlte Rechnungszahlungen.exe	Unbezahlte Rechnungszahlungen.exe
PID 1300 set thread context of 1220	1300	Unbezahlte Rechnungszahlungen.exe	Explorer.EXE
PID 1972 set thread context of 1220	1972	wininit.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 31 IoCs

Processes:

Unbezahlte Rechnungszahlungen.exewininit.exe

pid	process
1300	Unbezahlte Rechnungszahlungen.exe
1300	Unbezahlte Rechnungszahlungen.exe
1972	wininit.exe
1972	wininit.exe
1972	wininit.exe
1972	wininit.exe
1972	wininit.exe
1972	wininit.exe
1972	wininit.exe
1972	wininit.exe
1972	wininit.exe
1972	wininit.exe
1972	wininit.exe
1972	wininit.exe
1972	wininit.exe
1972	wininit.exe
1972	wininit.exe
1972	wininit.exe
1972	wininit.exe
1972	wininit.exe
1972	wininit.exe
1972	wininit.exe
1972	wininit.exe
1972	wininit.exe
1972	wininit.exe
1972	wininit.exe
1972	wininit.exe
1972	wininit.exe
1972	wininit.exe
1972	wininit.exe
1972	wininit.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1220 Explorer.EXE

pid	process
1220	Explorer.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Unbezahlte Rechnungszahlungen.exewininit.exe

pid	process
1300	Unbezahlte Rechnungszahlungen.exe
1300	Unbezahlte Rechnungszahlungen.exe
1300	Unbezahlte Rechnungszahlungen.exe
1972	wininit.exe
1972	wininit.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Unbezahlte Rechnungszahlungen.exewininit.exe

description pid process

Token: SeDebugPrivilege 1300 Unbezahlte Rechnungszahlungen.exe
Token: SeDebugPrivilege 1972 wininit.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1220 Explorer.EXE
1220 Explorer.EXE
1220 Explorer.EXE
1220 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1220 Explorer.EXE
1220 Explorer.EXE
1220 Explorer.EXE
1220 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1300	Unbezahlte Rechnungszahlungen.exe
Token: SeDebugPrivilege	1972	wininit.exe

pid	process
1220	Explorer.EXE
1220	Explorer.EXE
1220	Explorer.EXE
1220	Explorer.EXE

pid	process
1220	Explorer.EXE
1220	Explorer.EXE
1220	Explorer.EXE
1220	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Unbezahlte Rechnungszahlungen.exeExplorer.EXEwininit.exe

description	pid	process	target process
PID 1832 wrote to memory of 1300	1832	Unbezahlte Rechnungszahlungen.exe	Unbezahlte Rechnungszahlungen.exe
PID 1832 wrote to memory of 1300	1832	Unbezahlte Rechnungszahlungen.exe	Unbezahlte Rechnungszahlungen.exe
PID 1832 wrote to memory of 1300	1832	Unbezahlte Rechnungszahlungen.exe	Unbezahlte Rechnungszahlungen.exe
PID 1832 wrote to memory of 1300	1832	Unbezahlte Rechnungszahlungen.exe	Unbezahlte Rechnungszahlungen.exe
PID 1832 wrote to memory of 1300	1832	Unbezahlte Rechnungszahlungen.exe	Unbezahlte Rechnungszahlungen.exe
PID 1832 wrote to memory of 1300	1832	Unbezahlte Rechnungszahlungen.exe	Unbezahlte Rechnungszahlungen.exe
PID 1832 wrote to memory of 1300	1832	Unbezahlte Rechnungszahlungen.exe	Unbezahlte Rechnungszahlungen.exe
PID 1220 wrote to memory of 1972	1220	Explorer.EXE	wininit.exe
PID 1220 wrote to memory of 1972	1220	Explorer.EXE	wininit.exe
PID 1220 wrote to memory of 1972	1220	Explorer.EXE	wininit.exe
PID 1220 wrote to memory of 1972	1220	Explorer.EXE	wininit.exe
PID 1972 wrote to memory of 1052	1972	wininit.exe	cmd.exe
PID 1972 wrote to memory of 1052	1972	wininit.exe	cmd.exe
PID 1972 wrote to memory of 1052	1972	wininit.exe	cmd.exe
PID 1972 wrote to memory of 1052	1972	wininit.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:1220

C:\Users\Admin\AppData\Local\Temp\Unbezahlte Rechnungszahlungen.exe
"C:\Users\Admin\AppData\Local\Temp\Unbezahlte Rechnungszahlungen.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1832

C:\Users\Admin\AppData\Local\Temp\Unbezahlte Rechnungszahlungen.exe
"C:\Users\Admin\AppData\Local\Temp\Unbezahlte Rechnungszahlungen.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1300

C:\Windows\SysWOW64\wininit.exe
"C:\Windows\SysWOW64\wininit.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1972

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Unbezahlte Rechnungszahlungen.exe"
3⤵
- Deletes itself
PID:1052

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\nss2B55.tmp\pibyjvpg.dll
MD5
7e38c9c4dae24727bfc89d6feba8cb3e

SHA1
53500d0d0b8921fe6690dbdd2009be6d9c06adc6

SHA256
087ed293380602e60c32df98be8412bd73d32beba232bc255a6fb3edf46134ff

SHA512
835412fa1c001a1ec811a51be9afc361cea9ec8db8a85912bf7007b20f74b338323b59ac637a1cfc9afebdf57c6a441680c0707d15c13c7560eaacc94a56a985

Download Submit
memory/1052-69-0x0000000000000000-mapping.dmp

Download
memory/1220-7-0x0000000006080000-0x0000000006227000-memory.dmp

Filesize
1.7MB

Download
memory/1220-74-0x0000000006340000-0x0000000006470000-memory.dmp

Filesize
1.2MB

Download
memory/1300-3-0x000000000041F200-mapping.dmp

Download
memory/1300-6-0x0000000000340000-0x0000000000355000-memory.dmp

Filesize
84KB

Download
memory/1300-5-0x00000000008E0000-0x0000000000BE3000-memory.dmp

Filesize
3.0MB

Download
memory/1300-2-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1832-0-0x00000000762C1000-0x00000000762C3000-memory.dmp

Filesize
8KB

Download
memory/1972-68-0x0000000000000000-mapping.dmp

Download
memory/1972-70-0x0000000000510000-0x000000000052A000-memory.dmp

Filesize
104KB

Download
memory/1972-71-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/1972-72-0x0000000001EA0000-0x00000000021A3000-memory.dmp

Filesize
3.0MB

Download
memory/1972-73-0x00000000005D0000-0x0000000000664000-memory.dmp

Filesize
592KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads