formbook | cea5d90803c6d7d433e520b7be5e5282020800d7b984514f9675de290644f60d

General

Target

INQUIRY.exe
Size

689KB
MD5

f12960960ffcf4c9765daac91377f126
SHA1

42dd3f85af33aaed082b9cfc53aae76fdc39e418
SHA256

c52f08e31d55081182366aa8a2a1dde48d8e78f7cdd079fda0d64350dd7162b2
SHA512

36eede9c13894860363fe81496613529696df757f01d38eb133122cf1026d2901784ad9c2aeffd034136d60067467f9c1c8da0f1c473618cd1e5bda3b23acc42
SSDEEP

12288:kBX/UcCRbiJIAhoA9MxoBQVl0gRHDx5GYGB6K4s5ZW+tWpAHmuG3GkAr9RrQ2/:kNY4IAereEl0gRHDxcYio2WcYuGgr

Score

10^/10

formbook aw63 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

aw63

Decoy

moothwolf.zone

remier-rgv.net

lwfff.fun

ater-leak-4321.click

osyalguzelanadolum.online

ifqyqhc.xyz

fos.center

cciqrdi.xyz

all-center-78598.bond

jcgpmif.xyz

ionttogell.net

58kpwm906r.shop

ook-therapy.net

emenbergcsp.net

ortexioner.digital

ztidqn.info

hazhai.lol

rofood.biz

unzhuo.cfd

r-outsourcing-64055.bond

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/3580-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3580-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3596-22-0x0000000000520000-0x000000000054F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4680 set thread context of 3580	4680	INQUIRY.exe	93
PID 3580 set thread context of 3424	3580	INQUIRY.exe	56
PID 3596 set thread context of 3424	3596	cmmon32.exe	56

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	cmmon32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	INQUIRY.exe

Suspicious behavior: EnumeratesProcesses 44 IoCs

pid	Process
3580	INQUIRY.exe
3580	INQUIRY.exe
3580	INQUIRY.exe
3580	INQUIRY.exe
3596	cmmon32.exe
3596	cmmon32.exe
3596	cmmon32.exe
3596	cmmon32.exe
3596	cmmon32.exe
3596	cmmon32.exe
3596	cmmon32.exe
3596	cmmon32.exe
3596	cmmon32.exe
3596	cmmon32.exe
3596	cmmon32.exe
3596	cmmon32.exe
3596	cmmon32.exe
3596	cmmon32.exe
3596	cmmon32.exe
3596	cmmon32.exe
3596	cmmon32.exe
3596	cmmon32.exe
3596	cmmon32.exe
3596	cmmon32.exe
3596	cmmon32.exe
3596	cmmon32.exe
3596	cmmon32.exe
3596	cmmon32.exe
3596	cmmon32.exe
3596	cmmon32.exe
3596	cmmon32.exe
3596	cmmon32.exe
3596	cmmon32.exe
3596	cmmon32.exe
3596	cmmon32.exe
3596	cmmon32.exe
3596	cmmon32.exe
3596	cmmon32.exe
3596	cmmon32.exe
3596	cmmon32.exe
3596	cmmon32.exe
3596	cmmon32.exe
3596	cmmon32.exe
3596	cmmon32.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
3580	INQUIRY.exe
3580	INQUIRY.exe
3580	INQUIRY.exe
3596	cmmon32.exe
3596	cmmon32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3580	INQUIRY.exe
Token: SeDebugPrivilege	3596	cmmon32.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3424	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4680 wrote to memory of 3580	4680	INQUIRY.exe	93
PID 4680 wrote to memory of 3580	4680	INQUIRY.exe	93
PID 4680 wrote to memory of 3580	4680	INQUIRY.exe	93
PID 4680 wrote to memory of 3580	4680	INQUIRY.exe	93
PID 4680 wrote to memory of 3580	4680	INQUIRY.exe	93
PID 4680 wrote to memory of 3580	4680	INQUIRY.exe	93
PID 3424 wrote to memory of 3596	3424	Explorer.EXE	94
PID 3424 wrote to memory of 3596	3424	Explorer.EXE	94
PID 3424 wrote to memory of 3596	3424	Explorer.EXE	94
PID 3596 wrote to memory of 3328	3596	cmmon32.exe	95
PID 3596 wrote to memory of 3328	3596	cmmon32.exe	95
PID 3596 wrote to memory of 3328	3596	cmmon32.exe	95

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3424
- C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe
  "C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4680
- - C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe
    "C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3580
- C:\Windows\SysWOW64\cmmon32.exe
  "C:\Windows\SysWOW64\cmmon32.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:3596
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3328

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

Loading Replay Monitor...

Downloads

memory/3424-30-0x0000000002660000-0x0000000002777000-memory.dmp

Filesize
1.1MB

Download
memory/3424-28-0x0000000002660000-0x0000000002777000-memory.dmp

Filesize
1.1MB

Download
memory/3424-27-0x0000000002660000-0x0000000002777000-memory.dmp

Filesize
1.1MB

Download
memory/3424-23-0x0000000007D70000-0x0000000007F1F000-memory.dmp

Filesize
1.7MB

Download
memory/3424-19-0x0000000007D70000-0x0000000007F1F000-memory.dmp

Filesize
1.7MB

Download
memory/3580-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3580-18-0x0000000001150000-0x0000000001165000-memory.dmp

Filesize
84KB

Download
memory/3580-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3580-15-0x0000000001190000-0x00000000014DA000-memory.dmp

Filesize
3.3MB

Download
memory/3596-21-0x0000000000FA0000-0x0000000000FAC000-memory.dmp

Filesize
48KB

Download
memory/3596-20-0x0000000000FA0000-0x0000000000FAC000-memory.dmp

Filesize
48KB

Download
memory/3596-22-0x0000000000520000-0x000000000054F000-memory.dmp

Filesize
188KB

Download
memory/4680-14-0x00000000751D0000-0x0000000075980000-memory.dmp

Filesize
7.7MB

Download
memory/4680-10-0x00000000751D0000-0x0000000075980000-memory.dmp

Filesize
7.7MB

Download
memory/4680-8-0x0000000006DE0000-0x0000000006DFE000-memory.dmp

Filesize
120KB

Download
memory/4680-7-0x0000000006D10000-0x0000000006DB4000-memory.dmp

Filesize
656KB

Download
memory/4680-6-0x0000000005940000-0x00000000059DC000-memory.dmp

Filesize
624KB

Download
memory/4680-5-0x00000000057D0000-0x00000000057DA000-memory.dmp

Filesize
40KB

Download
memory/4680-0-0x00000000751DE000-0x00000000751DF000-memory.dmp

Filesize
4KB

Download
memory/4680-9-0x00000000751DE000-0x00000000751DF000-memory.dmp

Filesize
4KB

Download
memory/4680-11-0x0000000006B70000-0x0000000006BEA000-memory.dmp

Filesize
488KB

Download
memory/4680-4-0x00000000751D0000-0x0000000075980000-memory.dmp

Filesize
7.7MB

Download
memory/4680-3-0x0000000005720000-0x00000000057B2000-memory.dmp

Filesize
584KB

Download
memory/4680-2-0x0000000005CD0000-0x0000000006274000-memory.dmp

Filesize
5.6MB

Download
memory/4680-1-0x0000000000B90000-0x0000000000C42000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing