formbook | e4947b26c5306a3abf3699d57d332983f1fd64c7d0b676e49f6dfa8bafca59d0

General

Target

pago SWift pdf.exe
Size

630KB
MD5

391975e669d455f1adecc5ca6a60f66a
SHA1

727851ce8c287a4c080994f891ed78352cc93b8e
SHA256

c76a77d2c81deab2fda96cc7cfcd42ca3886522b254ab6fa7448c7db8692e00a
SHA512

6629176a34216a678bfc8c4bb24056fc03e8a6c4a5d1314ec8f2d5b156cb0610a3eba666c3a3a5ef95964e54d00b83a41d937e038ba5270adec3dd3830468ec8
SSDEEP

12288:6MzAvm9T+nin+nin+ni3AqeFsfWNhRaNoLDSFI3cFHh20QL+niu:6aAO9T+in+in+iQNsfWnL2FucFg+i

Score

10^/10

formbook n7ak discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

n7ak

Decoy

audereventur.com

huro14.com

wwwjinsha155.com

antiquevendor.com

samuraisoulfood.net

traffic4updates.download

hypersarv.com

rapport-happy-wedding.com

rokutechnosupport.online

allworljob.com

hanaleedossmann.com

kauai-marathon.com

bepbosch.com

kangen-international.com

zoneshopemenowz.com

belviderewrestling.com

ipllink.com

sellingforcreators.com

wwwswty6655.com

qtumboa.com

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/2552-14-0x0000000000400000-0x000000000042D000-memory.dmp	formbook
behavioral1/memory/2552-18-0x0000000000400000-0x000000000042D000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
2372	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2224 set thread context of 2552	2224	pago SWift pdf.exe	31
PID 2552 set thread context of 1192	2552	pago SWift pdf.exe	21
PID 1872 set thread context of 1192	1872	cmd.exe	21

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	pago SWift pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
2552	pago SWift pdf.exe
2552	pago SWift pdf.exe
1872	cmd.exe
1872	cmd.exe
1872	cmd.exe
1872	cmd.exe
1872	cmd.exe
1872	cmd.exe
1872	cmd.exe
1872	cmd.exe
1872	cmd.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2552	pago SWift pdf.exe
2552	pago SWift pdf.exe
2552	pago SWift pdf.exe
1872	cmd.exe
1872	cmd.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2552	pago SWift pdf.exe
Token: SeDebugPrivilege	1872	cmd.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2224 wrote to memory of 2552	2224	pago SWift pdf.exe	31
PID 2224 wrote to memory of 2552	2224	pago SWift pdf.exe	31
PID 2224 wrote to memory of 2552	2224	pago SWift pdf.exe	31
PID 2224 wrote to memory of 2552	2224	pago SWift pdf.exe	31
PID 2224 wrote to memory of 2552	2224	pago SWift pdf.exe	31
PID 2224 wrote to memory of 2552	2224	pago SWift pdf.exe	31
PID 2224 wrote to memory of 2552	2224	pago SWift pdf.exe	31
PID 1192 wrote to memory of 1872	1192	Explorer.EXE	36
PID 1192 wrote to memory of 1872	1192	Explorer.EXE	36
PID 1192 wrote to memory of 1872	1192	Explorer.EXE	36
PID 1192 wrote to memory of 1872	1192	Explorer.EXE	36
PID 1872 wrote to memory of 2372	1872	cmd.exe	37
PID 1872 wrote to memory of 2372	1872	cmd.exe	37
PID 1872 wrote to memory of 2372	1872	cmd.exe	37
PID 1872 wrote to memory of 2372	1872	cmd.exe	37

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1192
- C:\Users\Admin\AppData\Local\Temp\pago SWift pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\pago SWift pdf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2224
- - C:\Users\Admin\AppData\Local\Temp\pago SWift pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\pago SWift pdf.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2552
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2424
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:1912
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:1188
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:1976
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\SysWOW64\cmd.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:1872
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\pago SWift pdf.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2372

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/1192-20-0x0000000004FE0000-0x000000000510E000-memory.dmp

Filesize
1.2MB

Download
memory/1192-23-0x0000000004FE0000-0x000000000510E000-memory.dmp

Filesize
1.2MB

Download
memory/1872-21-0x000000004A770000-0x000000004A7BC000-memory.dmp

Filesize
304KB

Download
memory/1872-22-0x000000004A770000-0x000000004A7BC000-memory.dmp

Filesize
304KB

Download
memory/2224-1-0x0000000000C30000-0x0000000000CD2000-memory.dmp

Filesize
648KB

Download
memory/2224-2-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download
memory/2224-3-0x0000000000320000-0x000000000032A000-memory.dmp

Filesize
40KB

Download
memory/2224-4-0x0000000074A1E000-0x0000000074A1F000-memory.dmp

Filesize
4KB

Download
memory/2224-5-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download
memory/2224-6-0x0000000005B80000-0x0000000005BDC000-memory.dmp

Filesize
368KB

Download
memory/2224-0-0x0000000074A1E000-0x0000000074A1F000-memory.dmp

Filesize
4KB

Download
memory/2224-15-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download
memory/2552-9-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2552-19-0x0000000000210000-0x0000000000224000-memory.dmp

Filesize
80KB

Download
memory/2552-16-0x00000000008C0000-0x0000000000BC3000-memory.dmp

Filesize
3.0MB

Download
memory/2552-18-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2552-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2552-14-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2552-7-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download

Analysis

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