formbook | 93b3dd8ec4a2335c9a512ae050cc8ebc1ecbc6bab057342f4633392001a0e560

General

Target

orden 000873.exe
Size

253KB
MD5

abaf85c4c2935c711827ba7af2bfbbb0
SHA1

bf13a8cc2844a4f1912ccc7a1a6f8acb91ccd896
SHA256

f561431a18d41cec483b9763d2529633933a2683eb5075d54650922b84da6279
SHA512

5b2aec946133e6b1608258a42996fb2269cc465642ada8641385236ac166859c2c12f6fc252b7546b45c56603536e31649435258d22492c58a3ea948c72a6a44

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/1984-62-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1984-63-0x000000000041F200-mapping.dmp	formbook
behavioral1/memory/1672-70-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1492 cmd.exe
Loads dropped DLL 1 IoCs

Processes:

orden 000873.exe

pid process

1100 orden 000873.exe

pid	process
1492	cmd.exe

pid	process
1100	orden 000873.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

orden 000873.exeorden 000873.exeNAPSTAT.EXE

description	pid	process	target process
PID 1100 set thread context of 1984	1100	orden 000873.exe	orden 000873.exe
PID 1984 set thread context of 1212	1984	orden 000873.exe	Explorer.EXE
PID 1672 set thread context of 1212	1672	NAPSTAT.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:

orden 000873.exeNAPSTAT.EXE

pid	process
1984	orden 000873.exe
1984	orden 000873.exe
1672	NAPSTAT.EXE
1672	NAPSTAT.EXE
1672	NAPSTAT.EXE
1672	NAPSTAT.EXE
1672	NAPSTAT.EXE
1672	NAPSTAT.EXE
1672	NAPSTAT.EXE
1672	NAPSTAT.EXE
1672	NAPSTAT.EXE
1672	NAPSTAT.EXE
1672	NAPSTAT.EXE
1672	NAPSTAT.EXE
1672	NAPSTAT.EXE
1672	NAPSTAT.EXE
1672	NAPSTAT.EXE
1672	NAPSTAT.EXE
1672	NAPSTAT.EXE
1672	NAPSTAT.EXE
1672	NAPSTAT.EXE
1672	NAPSTAT.EXE
1672	NAPSTAT.EXE
1672	NAPSTAT.EXE
1672	NAPSTAT.EXE
1672	NAPSTAT.EXE
1672	NAPSTAT.EXE
1672	NAPSTAT.EXE
1672	NAPSTAT.EXE
1672	NAPSTAT.EXE
1672	NAPSTAT.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1212 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

orden 000873.exeNAPSTAT.EXE

pid process

1984 orden 000873.exe
1984 orden 000873.exe
1984 orden 000873.exe
1672 NAPSTAT.EXE
1672 NAPSTAT.EXE
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

orden 000873.exeNAPSTAT.EXE

description pid process

Token: SeDebugPrivilege 1984 orden 000873.exe
Token: SeDebugPrivilege 1672 NAPSTAT.EXE
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1212 Explorer.EXE
1212 Explorer.EXE
1212 Explorer.EXE
1212 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1212 Explorer.EXE
1212 Explorer.EXE
1212 Explorer.EXE
1212 Explorer.EXE

pid	process
1212	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1984	orden 000873.exe
Token: SeDebugPrivilege	1672	NAPSTAT.EXE

pid	process
1212	Explorer.EXE
1212	Explorer.EXE
1212	Explorer.EXE
1212	Explorer.EXE

pid	process
1212	Explorer.EXE
1212	Explorer.EXE
1212	Explorer.EXE
1212	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

orden 000873.exeExplorer.EXENAPSTAT.EXE

description	pid	process	target process
PID 1100 wrote to memory of 1984	1100	orden 000873.exe	orden 000873.exe
PID 1100 wrote to memory of 1984	1100	orden 000873.exe	orden 000873.exe
PID 1100 wrote to memory of 1984	1100	orden 000873.exe	orden 000873.exe
PID 1100 wrote to memory of 1984	1100	orden 000873.exe	orden 000873.exe
PID 1100 wrote to memory of 1984	1100	orden 000873.exe	orden 000873.exe
PID 1100 wrote to memory of 1984	1100	orden 000873.exe	orden 000873.exe
PID 1100 wrote to memory of 1984	1100	orden 000873.exe	orden 000873.exe
PID 1212 wrote to memory of 1672	1212	Explorer.EXE	NAPSTAT.EXE
PID 1212 wrote to memory of 1672	1212	Explorer.EXE	NAPSTAT.EXE
PID 1212 wrote to memory of 1672	1212	Explorer.EXE	NAPSTAT.EXE
PID 1212 wrote to memory of 1672	1212	Explorer.EXE	NAPSTAT.EXE
PID 1672 wrote to memory of 1492	1672	NAPSTAT.EXE	cmd.exe
PID 1672 wrote to memory of 1492	1672	NAPSTAT.EXE	cmd.exe
PID 1672 wrote to memory of 1492	1672	NAPSTAT.EXE	cmd.exe
PID 1672 wrote to memory of 1492	1672	NAPSTAT.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:1212

C:\Users\Admin\AppData\Local\Temp\orden 000873.exe
"C:\Users\Admin\AppData\Local\Temp\orden 000873.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1100

C:\Users\Admin\AppData\Local\Temp\orden 000873.exe
"C:\Users\Admin\AppData\Local\Temp\orden 000873.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1984

C:\Windows\SysWOW64\NAPSTAT.EXE
"C:\Windows\SysWOW64\NAPSTAT.EXE"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1672

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\orden 000873.exe"
3⤵
- Deletes itself
PID:1492

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\nsy38B.tmp\eufknrtale.dll
MD5
07632e94e5393111fb508e610749a18d

SHA1
71aa6c5d8a799b891c554f72dc0c0f11b1ca1a8b

SHA256
f6307ed5f0e3eb12b47dac295cebcdcbe7104823b25b535726cb8b6f0a256c45

SHA512
9bbe74b6d277cbd1c65f2a0c44bf4d1400a95a3a555b247bf6211f612ee29d38aa999cc9428719f5b3684758904087dbee3fc83362c9cc09c4c99e9e7db7d167

Download Submit
memory/1100-60-0x0000000075AF1000-0x0000000075AF3000-memory.dmp

Filesize
8KB

Download
memory/1212-67-0x0000000004FE0000-0x0000000005099000-memory.dmp

Filesize
740KB

Download
memory/1212-74-0x0000000006A10000-0x0000000006B02000-memory.dmp

Filesize
968KB

Download
memory/1492-72-0x0000000000000000-mapping.dmp

Download
memory/1672-70-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/1672-68-0x0000000000000000-mapping.dmp

Download
memory/1672-69-0x0000000000A90000-0x0000000000AD6000-memory.dmp

Filesize
280KB

Download
memory/1672-71-0x0000000002070000-0x0000000002373000-memory.dmp

Filesize
3.0MB

Download
memory/1672-73-0x0000000000990000-0x0000000000A24000-memory.dmp

Filesize
592KB

Download
memory/1984-66-0x0000000000480000-0x0000000000495000-memory.dmp

Filesize
84KB

Download
memory/1984-65-0x0000000000700000-0x0000000000A03000-memory.dmp

Filesize
3.0MB

Download
memory/1984-63-0x000000000041F200-mapping.dmp

Download
memory/1984-62-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads