formbook | 77a99df0938f000db363d3f123fed3a7e6c6b9ebce4f9f59d68a277327d15eb4

General

Target

Purchase Order No. 4502717956.exe
Size

659KB
MD5

56478f00ad85f32b299aa3450f761901
SHA1

8bea35f5c67818749cbcf9a367735fea13c32894
SHA256

77a99df0938f000db363d3f123fed3a7e6c6b9ebce4f9f59d68a277327d15eb4
SHA512

39e02f1355b953926683509b64c889554e390716c170d735837b53299d4afb3654e5e7a1890bd43cd259d7d06fb15b529ffc5380a8cce121f69c45853e7ef177
SSDEEP

12288:H7EIZxD7RP51oQP/ZcrHrEr3MyLWETdDGw3zH+fvmWxsZPbLj:H7ElQP/ZioLWadDGwafvmGcbL

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

Processes:

Purchase Order No. 4502717956.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Control Panel\International\Geo\Nation	Purchase Order No. 4502717956.exe

Loads dropped DLL 1 IoCs

Processes:

mstsc.exe

pid process

268 mstsc.exe

pid	process
268	mstsc.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Purchase Order No. 4502717956.exePurchase Order No. 4502717956.exemstsc.exe

description	pid	process	target process
PID 1308 set thread context of 764	1308	Purchase Order No. 4502717956.exe	Purchase Order No. 4502717956.exe
PID 764 set thread context of 1212	764	Purchase Order No. 4502717956.exe	Explorer.EXE
PID 268 set thread context of 1212	268	mstsc.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

mstsc.exe

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

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

Purchase Order No. 4502717956.exemstsc.exe

pid	process
764	Purchase Order No. 4502717956.exe
764	Purchase Order No. 4502717956.exe
764	Purchase Order No. 4502717956.exe
764	Purchase Order No. 4502717956.exe
268	mstsc.exe
268	mstsc.exe
268	mstsc.exe
268	mstsc.exe
268	mstsc.exe
268	mstsc.exe
268	mstsc.exe
268	mstsc.exe
268	mstsc.exe
268	mstsc.exe
268	mstsc.exe
268	mstsc.exe
268	mstsc.exe
268	mstsc.exe
268	mstsc.exe
268	mstsc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1212 Explorer.EXE

pid	process
1212	Explorer.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

Purchase Order No. 4502717956.exemstsc.exe

pid	process
764	Purchase Order No. 4502717956.exe
764	Purchase Order No. 4502717956.exe
764	Purchase Order No. 4502717956.exe
268	mstsc.exe
268	mstsc.exe
268	mstsc.exe
268	mstsc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Purchase Order No. 4502717956.exemstsc.exe

description pid process

Token: SeDebugPrivilege 764 Purchase Order No. 4502717956.exe
Token: SeDebugPrivilege 268 mstsc.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1212 Explorer.EXE
1212 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1212 Explorer.EXE
1212 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	764	Purchase Order No. 4502717956.exe
Token: SeDebugPrivilege	268	mstsc.exe

pid	process
1212	Explorer.EXE
1212	Explorer.EXE

pid	process
1212	Explorer.EXE
1212	Explorer.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

Purchase Order No. 4502717956.exeExplorer.EXEmstsc.exe

description	pid	process	target process
PID 1308 wrote to memory of 764	1308	Purchase Order No. 4502717956.exe	Purchase Order No. 4502717956.exe
PID 1308 wrote to memory of 764	1308	Purchase Order No. 4502717956.exe	Purchase Order No. 4502717956.exe
PID 1308 wrote to memory of 764	1308	Purchase Order No. 4502717956.exe	Purchase Order No. 4502717956.exe
PID 1308 wrote to memory of 764	1308	Purchase Order No. 4502717956.exe	Purchase Order No. 4502717956.exe
PID 1308 wrote to memory of 764	1308	Purchase Order No. 4502717956.exe	Purchase Order No. 4502717956.exe
PID 1308 wrote to memory of 764	1308	Purchase Order No. 4502717956.exe	Purchase Order No. 4502717956.exe
PID 1308 wrote to memory of 764	1308	Purchase Order No. 4502717956.exe	Purchase Order No. 4502717956.exe
PID 1212 wrote to memory of 268	1212	Explorer.EXE	mstsc.exe
PID 1212 wrote to memory of 268	1212	Explorer.EXE	mstsc.exe
PID 1212 wrote to memory of 268	1212	Explorer.EXE	mstsc.exe
PID 1212 wrote to memory of 268	1212	Explorer.EXE	mstsc.exe
PID 268 wrote to memory of 968	268	mstsc.exe	Firefox.exe
PID 268 wrote to memory of 968	268	mstsc.exe	Firefox.exe
PID 268 wrote to memory of 968	268	mstsc.exe	Firefox.exe
PID 268 wrote to memory of 968	268	mstsc.exe	Firefox.exe
PID 268 wrote to memory of 968	268	mstsc.exe	Firefox.exe

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:1212
- C:\Users\Admin\AppData\Local\Temp\Purchase Order No. 4502717956.exe
  "C:\Users\Admin\AppData\Local\Temp\Purchase Order No. 4502717956.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1308
- - C:\Users\Admin\AppData\Local\Temp\Purchase Order No. 4502717956.exe
    "C:\Users\Admin\AppData\Local\Temp\Purchase Order No. 4502717956.exe"
    3⤵
    - Checks computer location settings
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:764
- C:\Windows\SysWOW64\mstsc.exe
  "C:\Windows\SysWOW64\mstsc.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:268
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:968

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
895KB

MD5
1eb6acf76a15b74b38333af47dc1218d

SHA1
a3fbc817f59b6a8899dc338cc15a75cdd17dfff1

SHA256
a5ef3a78eb333b0e6dca194ea711dcbb036119a788ecfe125f05176fb0fb70a3

SHA512
717931aa928de150abbb70d523c7dbd472bfa6c511ab55e0b50df8d9661d33635156ed7b750285fa383cdd4064f225ea022f0bead3e066ee2beba84ef5731c15

Download Submit
memory/268-73-0x0000000000000000-mapping.dmp

Download
memory/268-80-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/268-78-0x0000000000A90000-0x0000000000B1F000-memory.dmp

Filesize
572KB

Download
memory/268-77-0x0000000002170000-0x0000000002473000-memory.dmp

Filesize
3.0MB

Download
memory/268-76-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/268-75-0x0000000000C60000-0x0000000000D64000-memory.dmp

Filesize
1.0MB

Download
memory/764-61-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/764-60-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/764-64-0x00000000004012B0-mapping.dmp

Download
memory/764-66-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/764-67-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/764-68-0x0000000000401000-0x000000000042E000-memory.dmp

Filesize
180KB

Download
memory/764-70-0x0000000000422000-0x0000000000424000-memory.dmp

Filesize
8KB

Download
memory/764-69-0x00000000008D0000-0x0000000000BD3000-memory.dmp

Filesize
3.0MB

Download
memory/764-71-0x0000000000110000-0x0000000000120000-memory.dmp

Filesize
64KB

Download
memory/764-63-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1212-72-0x0000000004AF0000-0x0000000004BD9000-memory.dmp

Filesize
932KB

Download
memory/1212-79-0x0000000004BE0000-0x0000000004CF5000-memory.dmp

Filesize
1.1MB

Download
memory/1212-81-0x0000000004BE0000-0x0000000004CF5000-memory.dmp

Filesize
1.1MB

Download
memory/1308-54-0x0000000000CF0000-0x0000000000D9C000-memory.dmp

Filesize
688KB

Download
memory/1308-59-0x0000000000AB0000-0x0000000000AE4000-memory.dmp

Filesize
208KB

Download
memory/1308-58-0x00000000055A0000-0x0000000005610000-memory.dmp

Filesize
448KB

Download
memory/1308-57-0x00000000003D0000-0x00000000003DC000-memory.dmp

Filesize
48KB

Download
memory/1308-56-0x0000000000470000-0x0000000000488000-memory.dmp

Filesize
96KB

Download
memory/1308-55-0x0000000074DA1000-0x0000000074DA3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads