formbook | f6b13e5f7a0bea61fd638b1c4a7a78e492bac61611af402d2abb36cf91165f9c

General

Target

quotation request.exe
Size

843KB
MD5

cd3cfa9918a2e273a9a7b0118955c4b3
SHA1

289bbc79ffbf9717e7bf44cf83f3dd60d8a8e7f0
SHA256

c73fabb2bf415973d0ed742e40260e327512da087231a6528714cdd15ac2205a
SHA512

9f2a05c20eaf02378e0a4bf3b8ca3ab7cb3151b25efad52c52497a66569c3b7460f71ca7f924d3216e2f042ce72ea2ff5a6ae2a875d54948626c672fee8a5e11
SSDEEP

12288:aAoRYHHtJPrc8BLcoraBIx2aHqX2SsHhEzBCs1Omijoo01:aANHHtpBtcQaSxhW2buz/Cjon

Score

10^/10

formbook ktmy discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

ktmy

Decoy

aiAQTnAmFP/Kv+pVX/tvBS7VKQ==

yxOhZX4E+ME9t08AJwdV

AyZqxPG/vw/wMaAqaTlFDNKn

IbeJLGkg1BMiV3W4pghwBS7VKQ==

wv9qii8F/4ztchfEsAak4ag=

F02gNNe3use8qhw78A==

/wth4YFC98Ysqhw78A==

YTdLrU0wNa+8ZdJ/

HGGviblzWTWkIk0x6Q==

asJgP3Ubiw9Z

W9B2W/vHep85rU4AJwdV

/JBka5n2tL6Xw/AUzhvW7ptATSI=

otEOeyAZDuVTwGhc03fmwA==

D+tlEkMMFqv+a9lA/P1C

Jie7d7GQkBE4Kcd1

ZIfHKF/AcfxM2I6bZrtfTQpWU6YeJ72fNg==

4Yk/F0kPyPzX0ek=

tvBTTXvjnZptiXtj03fmwA==

QeCqskgmHI4Eu2Mvj2F7LPcnShU00A==

m1w+tkYVBuFMCShV03fmwA==

Signatures

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	quotation request.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4456 set thread context of 2756	4456	quotation request.exe	91
PID 2756 set thread context of 3452	2756	quotation request.exe	54
PID 1620 set thread context of 3452	1620	help.exe	54

System Location Discovery: System Language Discovery 1 TTPs 2 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	quotation request.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	help.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	help.exe

Suspicious behavior: EnumeratesProcesses 48 IoCs

pid	Process
2756	quotation request.exe
2756	quotation request.exe
2756	quotation request.exe
2756	quotation request.exe
2756	quotation request.exe
2756	quotation request.exe
2756	quotation request.exe
2756	quotation request.exe
1620	help.exe
1620	help.exe
1620	help.exe
1620	help.exe
1620	help.exe
1620	help.exe
1620	help.exe
1620	help.exe
1620	help.exe
1620	help.exe
1620	help.exe
1620	help.exe
1620	help.exe
1620	help.exe
1620	help.exe
1620	help.exe
1620	help.exe
1620	help.exe
1620	help.exe
1620	help.exe
1620	help.exe
1620	help.exe
1620	help.exe
1620	help.exe
1620	help.exe
1620	help.exe
1620	help.exe
1620	help.exe
1620	help.exe
1620	help.exe
1620	help.exe
1620	help.exe
1620	help.exe
1620	help.exe
1620	help.exe
1620	help.exe
1620	help.exe
1620	help.exe
1620	help.exe
1620	help.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
2756	quotation request.exe
2756	quotation request.exe
2756	quotation request.exe
1620	help.exe
1620	help.exe
1620	help.exe
1620	help.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2756	quotation request.exe
Token: SeDebugPrivilege	1620	help.exe
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4456 wrote to memory of 2756	4456	quotation request.exe	91
PID 4456 wrote to memory of 2756	4456	quotation request.exe	91
PID 4456 wrote to memory of 2756	4456	quotation request.exe	91
PID 4456 wrote to memory of 2756	4456	quotation request.exe	91
PID 4456 wrote to memory of 2756	4456	quotation request.exe	91
PID 4456 wrote to memory of 2756	4456	quotation request.exe	91
PID 3452 wrote to memory of 1620	3452	Explorer.EXE	92
PID 3452 wrote to memory of 1620	3452	Explorer.EXE	92
PID 3452 wrote to memory of 1620	3452	Explorer.EXE	92
PID 1620 wrote to memory of 4240	1620	help.exe	93
PID 1620 wrote to memory of 4240	1620	help.exe	93
PID 1620 wrote to memory of 4240	1620	help.exe	93

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3452
- C:\Users\Admin\AppData\Local\Temp\quotation request.exe
  "C:\Users\Admin\AppData\Local\Temp\quotation request.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4456
- - C:\Users\Admin\AppData\Local\Temp\quotation request.exe
    "C:\Users\Admin\AppData\Local\Temp\quotation request.exe"
    3⤵
    - Checks computer location settings
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2756
- C:\Windows\SysWOW64\help.exe
  "C:\Windows\SysWOW64\help.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1620
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:4240

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

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/1620-27-0x0000000000D80000-0x0000000000DAD000-memory.dmp

Filesize
180KB

Download
memory/1620-25-0x0000000000080000-0x0000000000087000-memory.dmp

Filesize
28KB

Download
memory/1620-26-0x0000000000080000-0x0000000000087000-memory.dmp

Filesize
28KB

Download
memory/2756-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2756-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2756-23-0x0000000000C90000-0x0000000000CA0000-memory.dmp

Filesize
64KB

Download
memory/2756-20-0x0000000001110000-0x000000000145A000-memory.dmp

Filesize
3.3MB

Download
memory/2756-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2756-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3452-24-0x0000000008BE0000-0x0000000008D19000-memory.dmp

Filesize
1.2MB

Download
memory/3452-28-0x0000000008BE0000-0x0000000008D19000-memory.dmp

Filesize
1.2MB

Download
memory/3452-35-0x0000000008D20000-0x0000000008E29000-memory.dmp

Filesize
1.0MB

Download
memory/3452-33-0x0000000008D20000-0x0000000008E29000-memory.dmp

Filesize
1.0MB

Download
memory/3452-32-0x0000000008D20000-0x0000000008E29000-memory.dmp

Filesize
1.0MB

Download
memory/4456-6-0x0000000004CD0000-0x0000000004CE6000-memory.dmp

Filesize
88KB

Download
memory/4456-0-0x00000000749CE000-0x00000000749CF000-memory.dmp

Filesize
4KB

Download
memory/4456-7-0x00000000749CE000-0x00000000749CF000-memory.dmp

Filesize
4KB

Download
memory/4456-19-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/4456-10-0x0000000007800000-0x000000000788E000-memory.dmp

Filesize
568KB

Download
memory/4456-5-0x0000000004AB0000-0x0000000004ABA000-memory.dmp

Filesize
40KB

Download
memory/4456-4-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/4456-8-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/4456-3-0x0000000004AD0000-0x0000000004B62000-memory.dmp

Filesize
584KB

Download
memory/4456-2-0x0000000004FE0000-0x0000000005584000-memory.dmp

Filesize
5.6MB

Download
memory/4456-1-0x0000000000020000-0x00000000000FA000-memory.dmp

Filesize
872KB

Download
memory/4456-9-0x0000000004CE0000-0x0000000004CEC000-memory.dmp

Filesize
48KB

Download
memory/4456-13-0x00000000078E0000-0x0000000007914000-memory.dmp

Filesize
208KB

Download
memory/4456-12-0x00000000079E0000-0x0000000007A46000-memory.dmp

Filesize
408KB

Download
memory/4456-11-0x0000000007940000-0x00000000079DC000-memory.dmp

Filesize
624KB

Download

Analysis

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