formbook | d1dd1f80a7b08c0b8ee7c3067df3d35dadc6af79b02761ccf70dfcaa53f76cd7

General

Target

Purchase Order No. 4502717956.exe
Size

636KB
MD5

f0d59737a03d771cef9ac6fee3d09943
SHA1

d517eab4a14ce87a8d0a551ca3d046145e739dd5
SHA256

d1dd1f80a7b08c0b8ee7c3067df3d35dadc6af79b02761ccf70dfcaa53f76cd7
SHA512

318b662f312298d5eb8dd6345ad6c96c58bb8fc818268091646d049414e7df96585eaccbd06220beb635725ca25c15f3b4ab7dae06a354054410cdbeb8beed53
SSDEEP

12288:YTczpbKbfu90F4t72M6/nFo0B+aFo7keY528R+:YgFbKie2x4/kZ7kr

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-1-5-21-2292972927-2705560509-2768824231-1000\Control Panel\International\Geo\Nation	Purchase Order No. 4502717956.exe

Loads dropped DLL 1 IoCs

Processes:

chkdsk.exe

pid process

944 chkdsk.exe

pid	process
944	chkdsk.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Purchase Order No. 4502717956.exePurchase Order No. 4502717956.exechkdsk.exe

description	pid	process	target process
PID 1904 set thread context of 1212	1904	Purchase Order No. 4502717956.exe	Purchase Order No. 4502717956.exe
PID 1212 set thread context of 1256	1212	Purchase Order No. 4502717956.exe	Explorer.EXE
PID 944 set thread context of 1256	944	chkdsk.exe	Explorer.EXE

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

chkdsk.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier chkdsk.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

chkdsk.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-2292972927-2705560509-2768824231-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 17 IoCs

Processes:

Purchase Order No. 4502717956.exechkdsk.exe

pid	process
1212	Purchase Order No. 4502717956.exe
1212	Purchase Order No. 4502717956.exe
1212	Purchase Order No. 4502717956.exe
1212	Purchase Order No. 4502717956.exe
944	chkdsk.exe
944	chkdsk.exe
944	chkdsk.exe
944	chkdsk.exe
944	chkdsk.exe
944	chkdsk.exe
944	chkdsk.exe
944	chkdsk.exe
944	chkdsk.exe
944	chkdsk.exe
944	chkdsk.exe
944	chkdsk.exe
944	chkdsk.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

Purchase Order No. 4502717956.exechkdsk.exe

pid	process
1212	Purchase Order No. 4502717956.exe
1212	Purchase Order No. 4502717956.exe
1212	Purchase Order No. 4502717956.exe
944	chkdsk.exe
944	chkdsk.exe
944	chkdsk.exe
944	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Purchase Order No. 4502717956.exechkdsk.exe

description pid process

Token: SeDebugPrivilege 1212 Purchase Order No. 4502717956.exe
Token: SeDebugPrivilege 944 chkdsk.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1256 Explorer.EXE
1256 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1256 Explorer.EXE
1256 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1212	Purchase Order No. 4502717956.exe
Token: SeDebugPrivilege	944	chkdsk.exe

pid	process
1256	Explorer.EXE
1256	Explorer.EXE

pid	process
1256	Explorer.EXE
1256	Explorer.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

Purchase Order No. 4502717956.exeExplorer.EXEchkdsk.exe

description	pid	process	target process
PID 1904 wrote to memory of 1212	1904	Purchase Order No. 4502717956.exe	Purchase Order No. 4502717956.exe
PID 1904 wrote to memory of 1212	1904	Purchase Order No. 4502717956.exe	Purchase Order No. 4502717956.exe
PID 1904 wrote to memory of 1212	1904	Purchase Order No. 4502717956.exe	Purchase Order No. 4502717956.exe
PID 1904 wrote to memory of 1212	1904	Purchase Order No. 4502717956.exe	Purchase Order No. 4502717956.exe
PID 1904 wrote to memory of 1212	1904	Purchase Order No. 4502717956.exe	Purchase Order No. 4502717956.exe
PID 1904 wrote to memory of 1212	1904	Purchase Order No. 4502717956.exe	Purchase Order No. 4502717956.exe
PID 1904 wrote to memory of 1212	1904	Purchase Order No. 4502717956.exe	Purchase Order No. 4502717956.exe
PID 1256 wrote to memory of 944	1256	Explorer.EXE	chkdsk.exe
PID 1256 wrote to memory of 944	1256	Explorer.EXE	chkdsk.exe
PID 1256 wrote to memory of 944	1256	Explorer.EXE	chkdsk.exe
PID 1256 wrote to memory of 944	1256	Explorer.EXE	chkdsk.exe
PID 944 wrote to memory of 1920	944	chkdsk.exe	Firefox.exe
PID 944 wrote to memory of 1920	944	chkdsk.exe	Firefox.exe
PID 944 wrote to memory of 1920	944	chkdsk.exe	Firefox.exe
PID 944 wrote to memory of 1920	944	chkdsk.exe	Firefox.exe
PID 944 wrote to memory of 1920	944	chkdsk.exe	Firefox.exe

C:\Users\Admin\AppData\Local\Temp\Purchase Order No. 4502717956.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order No. 4502717956.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1904

C:\Users\Admin\AppData\Local\Temp\Purchase Order No. 4502717956.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order No. 4502717956.exe"
2⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1212

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1256

C:\Windows\SysWOW64\chkdsk.exe
"C:\Windows\SysWOW64\chkdsk.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:944

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1920

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\sqlite3.dll
Filesize
932KB

MD5
661fd92d4eaeea3740649af5a484d7c8

SHA1
c93f868890fee1475f8ec9e7607e26f5dce67d54

SHA256
58a478f0560ea22c1bc194263f07cf6f3ecfe47d0c8b534a7bba185f28a1141f

SHA512
1fac03c20139fde41d121e0adbd02d127261ce061509996087fc1c80baf2fe0d0f70fed6b83d38a85cfa2e07d038ff809161c7ecce31ec44ac8b89740d3db15d

Download Submit
memory/944-73-0x0000000000000000-mapping.dmp

Download
memory/944-79-0x00000000000C0000-0x00000000000ED000-memory.dmp

Filesize
180KB

Download
memory/944-77-0x00000000009E0000-0x0000000000A6F000-memory.dmp

Filesize
572KB

Download
memory/944-76-0x00000000020F0000-0x00000000023F3000-memory.dmp

Filesize
3.0MB

Download
memory/944-75-0x00000000000C0000-0x00000000000ED000-memory.dmp

Filesize
180KB

Download
memory/944-74-0x0000000000CE0000-0x0000000000CE7000-memory.dmp

Filesize
28KB

Download
memory/1212-60-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1212-70-0x0000000000422000-0x0000000000424000-memory.dmp

Filesize
8KB

Download
memory/1212-64-0x00000000004012B0-mapping.dmp

Download
memory/1212-66-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1212-68-0x0000000000401000-0x000000000042E000-memory.dmp

Filesize
180KB

Download
memory/1212-67-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1212-69-0x0000000000930000-0x0000000000C33000-memory.dmp

Filesize
3.0MB

Download
memory/1212-71-0x0000000000070000-0x0000000000080000-memory.dmp

Filesize
64KB

Download
memory/1212-61-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1212-63-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1256-72-0x0000000004A80000-0x0000000004B86000-memory.dmp

Filesize
1.0MB

Download
memory/1256-78-0x0000000004BE0000-0x0000000004D44000-memory.dmp

Filesize
1.4MB

Download
memory/1256-81-0x0000000004BE0000-0x0000000004D44000-memory.dmp

Filesize
1.4MB

Download
memory/1904-54-0x00000000011A0000-0x0000000001246000-memory.dmp

Filesize
664KB

Download
memory/1904-59-0x0000000000420000-0x0000000000454000-memory.dmp

Filesize
208KB

Download
memory/1904-58-0x0000000005D60000-0x0000000005DD0000-memory.dmp

Filesize
448KB

Download
memory/1904-57-0x0000000000340000-0x000000000034E000-memory.dmp

Filesize
56KB

Download
memory/1904-56-0x0000000000230000-0x0000000000246000-memory.dmp

Filesize
88KB

Download
memory/1904-55-0x00000000762D1000-0x00000000762D3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads