formbook | b16f599225a875a9f8dd55e32467522916d48337bfa30939d4e48ee50cf96a88

General

Target

b16f599225a875a9f8dd55e32467522916d48337bfa30939d4e48ee50cf96a88.exe
Size

1.0MB
MD5

1f722c0fe2a947b86676925fe00d40bf
SHA1

1b21430ab7ac416ffe9cc6a1d78c60e4b35d45a2
SHA256

b16f599225a875a9f8dd55e32467522916d48337bfa30939d4e48ee50cf96a88
SHA512

96c2dd52635e21cb56adecb411406f0f780f9b465937f2b28423f2019aec50774f1ade7ece8aa51d93c0a535f85243e81a2e737c367745d0dc171a85bdfde3ca
SSDEEP

24576:5RmJkcoQricOIQxiZY1iaXcm8BxbLrryLGmiV01I+S8Qy:WJZoQrbTFZY1iaXT8BxbLvy0V01IG

Score

10^/10

formbook e62s discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

e62s

Decoy

ellinksa.shop

uckyspinph.xyz

owdark.net

arriage-therapy-72241.bond

w7ijko4rv4p97b.top

heirbuzzwords.buzz

aspart.shop

ctivemail5-kagoya-com.info

shacertification9.shop

zitcd65k3.buzz

llkosoi.info

ru8.info

rhgtrdjdjykyetrdjftd.buzz

yschoollist.kiwi

oftfolio.online

rograma-de-almacen-2.online

oudoarms.top

mwquas.xyz

orjagaucha.website

nlinechat-mh.online

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2476-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2476-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2644-12-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1624 set thread context of 2476	1624	b16f599225a875a9f8dd55e32467522916d48337bfa30939d4e48ee50cf96a88.exe	31
PID 2476 set thread context of 1268	2476	svchost.exe	21
PID 2644 set thread context of 1268	2644	NAPSTAT.EXE	21

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b16f599225a875a9f8dd55e32467522916d48337bfa30939d4e48ee50cf96a88.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NAPSTAT.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2476	svchost.exe
2476	svchost.exe
2644	NAPSTAT.EXE
2644	NAPSTAT.EXE
2644	NAPSTAT.EXE
2644	NAPSTAT.EXE
2644	NAPSTAT.EXE
2644	NAPSTAT.EXE
2644	NAPSTAT.EXE
2644	NAPSTAT.EXE
2644	NAPSTAT.EXE
2644	NAPSTAT.EXE
2644	NAPSTAT.EXE
2644	NAPSTAT.EXE
2644	NAPSTAT.EXE
2644	NAPSTAT.EXE
2644	NAPSTAT.EXE
2644	NAPSTAT.EXE
2644	NAPSTAT.EXE
2644	NAPSTAT.EXE
2644	NAPSTAT.EXE
2644	NAPSTAT.EXE
2644	NAPSTAT.EXE
2644	NAPSTAT.EXE
2644	NAPSTAT.EXE
2644	NAPSTAT.EXE
2644	NAPSTAT.EXE
2644	NAPSTAT.EXE
2644	NAPSTAT.EXE
2644	NAPSTAT.EXE
2644	NAPSTAT.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1624	b16f599225a875a9f8dd55e32467522916d48337bfa30939d4e48ee50cf96a88.exe
2476	svchost.exe
2476	svchost.exe
2476	svchost.exe
2644	NAPSTAT.EXE
2644	NAPSTAT.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2476	svchost.exe
Token: SeDebugPrivilege	2644	NAPSTAT.EXE

Suspicious use of FindShellTrayWindow 7 IoCs

pid	Process
1624	b16f599225a875a9f8dd55e32467522916d48337bfa30939d4e48ee50cf96a88.exe
1624	b16f599225a875a9f8dd55e32467522916d48337bfa30939d4e48ee50cf96a88.exe
1624	b16f599225a875a9f8dd55e32467522916d48337bfa30939d4e48ee50cf96a88.exe
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE

Suspicious use of SendNotifyMessage 5 IoCs

pid	Process
1624	b16f599225a875a9f8dd55e32467522916d48337bfa30939d4e48ee50cf96a88.exe
1624	b16f599225a875a9f8dd55e32467522916d48337bfa30939d4e48ee50cf96a88.exe
1624	b16f599225a875a9f8dd55e32467522916d48337bfa30939d4e48ee50cf96a88.exe
1268	Explorer.EXE
1268	Explorer.EXE

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1624 wrote to memory of 2476	1624	b16f599225a875a9f8dd55e32467522916d48337bfa30939d4e48ee50cf96a88.exe	31
PID 1624 wrote to memory of 2476	1624	b16f599225a875a9f8dd55e32467522916d48337bfa30939d4e48ee50cf96a88.exe	31
PID 1624 wrote to memory of 2476	1624	b16f599225a875a9f8dd55e32467522916d48337bfa30939d4e48ee50cf96a88.exe	31
PID 1624 wrote to memory of 2476	1624	b16f599225a875a9f8dd55e32467522916d48337bfa30939d4e48ee50cf96a88.exe	31
PID 1624 wrote to memory of 2476	1624	b16f599225a875a9f8dd55e32467522916d48337bfa30939d4e48ee50cf96a88.exe	31
PID 1268 wrote to memory of 2644	1268	Explorer.EXE	32
PID 1268 wrote to memory of 2644	1268	Explorer.EXE	32
PID 1268 wrote to memory of 2644	1268	Explorer.EXE	32
PID 1268 wrote to memory of 2644	1268	Explorer.EXE	32
PID 2644 wrote to memory of 2108	2644	NAPSTAT.EXE	33
PID 2644 wrote to memory of 2108	2644	NAPSTAT.EXE	33
PID 2644 wrote to memory of 2108	2644	NAPSTAT.EXE	33
PID 2644 wrote to memory of 2108	2644	NAPSTAT.EXE	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1268
- C:\Users\Admin\AppData\Local\Temp\b16f599225a875a9f8dd55e32467522916d48337bfa30939d4e48ee50cf96a88.exe
  "C:\Users\Admin\AppData\Local\Temp\b16f599225a875a9f8dd55e32467522916d48337bfa30939d4e48ee50cf96a88.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:1624
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\b16f599225a875a9f8dd55e32467522916d48337bfa30939d4e48ee50cf96a88.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2476
- C:\Windows\SysWOW64\NAPSTAT.EXE
  "C:\Windows\SysWOW64\NAPSTAT.EXE"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2644
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2108

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1268-13-0x00000000067D0000-0x000000000694D000-memory.dmp

Filesize
1.5MB

Download
memory/1268-22-0x0000000006220000-0x0000000006306000-memory.dmp

Filesize
920KB

Download
memory/1268-20-0x0000000006220000-0x0000000006306000-memory.dmp

Filesize
920KB

Download
memory/1268-19-0x0000000006220000-0x0000000006306000-memory.dmp

Filesize
920KB

Download
memory/1268-8-0x00000000067D0000-0x000000000694D000-memory.dmp

Filesize
1.5MB

Download
memory/1624-2-0x0000000003F30000-0x0000000004330000-memory.dmp

Filesize
4.0MB

Download
memory/2476-7-0x00000000001D0000-0x00000000001E5000-memory.dmp

Filesize
84KB

Download
memory/2476-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2476-4-0x0000000000930000-0x0000000000C33000-memory.dmp

Filesize
3.0MB

Download
memory/2476-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2644-9-0x0000000000C20000-0x0000000000C66000-memory.dmp

Filesize
280KB

Download
memory/2644-12-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/2644-11-0x0000000000C20000-0x0000000000C66000-memory.dmp

Filesize
280KB

Download

Analysis

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