formbook | 6ff54e94c6557ae213d67159c8c8bbdc84079801ba263631f9c7a798f660eaad

General

Target

PaymentCopy121922.exe
Size

733KB
MD5

05271d119938959aad2d32404ef0d9cf
SHA1

1409bf13515044a066e694493182b7405ea6efaa
SHA256

6ff54e94c6557ae213d67159c8c8bbdc84079801ba263631f9c7a798f660eaad
SHA512

e313a4313611c66104563cc3dde78dd9869a5b5070082b3d859bdb96b493fdc2fdbab4014baa3ecc7196b3d44c6842f2f1f5b943e119ac316872bbaed911ec15
SSDEEP

12288:5xx2cHss/S+PsN2/fFac/uL9eEhkAEZC4Gf3acHVNc42xtAq:rx2cHs6SqHdaOuBEZC4u37Vm42nAq

Score

10^/10

formbook snky rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

snky

Decoy

AiMFvkl6+A4HEgZ99q5x4naN7lGmvJo=

tvj/KUTKeKgxszIemQ==

DTrTokBrjB5leF4=

tPeTOuIjJPtH

taxtMdIygEdpskxzOQ2ZjoAEeA==

CxLuaKAFRrJyuIqQUPbhZw==

Tn4fapT5kPmk1H0gpXQ=

h5p8hDqGSiRzdSbV

i3lg8tbRNRU6jC9pQSOxzHYZgpbnOKBx

EwbfBo6m+UXU2qaVUPbhZw==

WpeenFSMquJ3xXD1/b43

niV5qTFu3tfmcgrI

fqyyyElbdxWswJ7A

Lh7o92ZOr4ghbwvK

Y2RYMDue4x+KszIemQ==

lN3Y3z5AS85eah1MDvfFQQA=

uq+Oqh8MNRxHOOkqA9lqYEZZhJU=

FEtGDeGnnRoSQEM=

TkMlruotvsmtpFwg6shr03LjwMWGow==

7PGx8hNMep8EMj5Q39dsq16IbbaIrA==

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer 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-1-5-21-4063495947-34355257-727531523-1000\Control Panel\International\Geo\Nation	PaymentCopy121922.exe

Loads dropped DLL 1 IoCs

pid	Process
584	wininit.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1600 set thread context of 580	1600	PaymentCopy121922.exe	27
PID 580 set thread context of 1208	580	PaymentCopy121922.exe	15
PID 584 set thread context of 1208	584	wininit.exe	15

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-4063495947-34355257-727531523-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	wininit.exe

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
580	PaymentCopy121922.exe
580	PaymentCopy121922.exe
580	PaymentCopy121922.exe
580	PaymentCopy121922.exe
584	wininit.exe
584	wininit.exe
584	wininit.exe
584	wininit.exe
584	wininit.exe
584	wininit.exe
584	wininit.exe
584	wininit.exe
584	wininit.exe
584	wininit.exe
584	wininit.exe
584	wininit.exe
584	wininit.exe
584	wininit.exe
584	wininit.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1208	Explorer.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
580	PaymentCopy121922.exe
580	PaymentCopy121922.exe
580	PaymentCopy121922.exe
584	wininit.exe
584	wininit.exe
584	wininit.exe
584	wininit.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	580	PaymentCopy121922.exe
Token: SeDebugPrivilege	584	wininit.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1208	Explorer.EXE
1208	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1208	Explorer.EXE
1208	Explorer.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1600 wrote to memory of 580	1600	PaymentCopy121922.exe	27
PID 1600 wrote to memory of 580	1600	PaymentCopy121922.exe	27
PID 1600 wrote to memory of 580	1600	PaymentCopy121922.exe	27
PID 1600 wrote to memory of 580	1600	PaymentCopy121922.exe	27
PID 1600 wrote to memory of 580	1600	PaymentCopy121922.exe	27
PID 1600 wrote to memory of 580	1600	PaymentCopy121922.exe	27
PID 1600 wrote to memory of 580	1600	PaymentCopy121922.exe	27
PID 1208 wrote to memory of 584	1208	Explorer.EXE	28
PID 1208 wrote to memory of 584	1208	Explorer.EXE	28
PID 1208 wrote to memory of 584	1208	Explorer.EXE	28
PID 1208 wrote to memory of 584	1208	Explorer.EXE	28
PID 584 wrote to memory of 2024	584	wininit.exe	31
PID 584 wrote to memory of 2024	584	wininit.exe	31
PID 584 wrote to memory of 2024	584	wininit.exe	31
PID 584 wrote to memory of 2024	584	wininit.exe	31
PID 584 wrote to memory of 2024	584	wininit.exe	31

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:1208
- C:\Users\Admin\AppData\Local\Temp\PaymentCopy121922.exe
  "C:\Users\Admin\AppData\Local\Temp\PaymentCopy121922.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1600
- - C:\Users\Admin\AppData\Local\Temp\PaymentCopy121922.exe
    "C:\Users\Admin\AppData\Local\Temp\PaymentCopy121922.exe"
    3⤵
    - Checks computer location settings
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:580
- C:\Windows\SysWOW64\wininit.exe
  "C:\Windows\SysWOW64\wininit.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:584
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:2024

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\sqlite3.dll

Filesize
1.1MB

MD5
f55e5766477de5997da50f12c9c74c91

SHA1
4dc98900a887be95411f07b9e597c57bdc7dbab3

SHA256
90be88984ee60864256378c952d44b13d55ac032ab6a7b8c698885176bcece69

SHA512
983417a297e68b58fbd1c07fed7a1697d249110a2c10644b2dc96e3facedd3fbfbcac6a7809631ffd62894f02cadd4d3e62022b9e5e026e5bf434f1eb1878f05

Download Submit
memory/580-70-0x0000000000422000-0x0000000000424000-memory.dmp

Filesize
8KB

Download
memory/580-67-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/580-69-0x0000000000C60000-0x0000000000F63000-memory.dmp

Filesize
3.0MB

Download
memory/580-71-0x0000000000150000-0x0000000000160000-memory.dmp

Filesize
64KB

Download
memory/580-68-0x0000000000401000-0x000000000042E000-memory.dmp

Filesize
180KB

Download
memory/580-60-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/580-61-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/580-63-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/580-64-0x00000000004012B0-mapping.dmp

Download
memory/580-66-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/584-76-0x0000000001F10000-0x0000000002213000-memory.dmp

Filesize
3.0MB

Download
memory/584-73-0x0000000000000000-mapping.dmp

Download
memory/584-79-0x0000000000100000-0x000000000012D000-memory.dmp

Filesize
180KB

Download
memory/584-77-0x0000000001E00000-0x0000000001E8F000-memory.dmp

Filesize
572KB

Download
memory/584-75-0x0000000000100000-0x000000000012D000-memory.dmp

Filesize
180KB

Download
memory/584-74-0x00000000001C0000-0x00000000001DA000-memory.dmp

Filesize
104KB

Download
memory/1208-81-0x0000000009640000-0x00000000097AF000-memory.dmp

Filesize
1.4MB

Download
memory/1208-72-0x0000000004D20000-0x0000000004E53000-memory.dmp

Filesize
1.2MB

Download
memory/1208-78-0x0000000009640000-0x00000000097AF000-memory.dmp

Filesize
1.4MB

Download
memory/1208-84-0x000007FEF9DB0000-0x000007FEF9DBA000-memory.dmp

Filesize
40KB

Download
memory/1208-83-0x000007FEF60A0000-0x000007FEF61E3000-memory.dmp

Filesize
1.3MB

Download
memory/1600-56-0x00000000008A0000-0x00000000008B6000-memory.dmp

Filesize
88KB

Download
memory/1600-58-0x0000000005B50000-0x0000000005BC0000-memory.dmp

Filesize
448KB

Download
memory/1600-57-0x00000000008B0000-0x00000000008BA000-memory.dmp

Filesize
40KB

Download
memory/1600-59-0x0000000004CD0000-0x0000000004D04000-memory.dmp

Filesize
208KB

Download
memory/1600-55-0x00000000752B1000-0x00000000752B3000-memory.dmp

Filesize
8KB

Download
memory/1600-54-0x00000000008C0000-0x000000000097E000-memory.dmp

Filesize
760KB

Download

Analysis

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