formbook | b521c4ff6f3130816ab67c86fb383eeca6699d1527fd91efd67d7daba7daaa37

General

Target

Purchase_Order.exe
Size

461KB
MD5

566e113fe0ab328439baf0a1add92b53
SHA1

9c6fac6feb951361b0c5988214e380883acab4ef
SHA256

b521c4ff6f3130816ab67c86fb383eeca6699d1527fd91efd67d7daba7daaa37
SHA512

c1fa0906f02759535dd4b249f9ff6ea6f00710f5041c6302be5b4a36f89213cbeb87e39de1604607d405f132744d2a1f545267ce1b72e8d1a8ae97c8b53a91a7
SSDEEP

6144:bLbc1sIu0xsWhi180vAs5JVxTPHFlXEuZ6VWW6ViMwKi:rcg0uWhSImJVxjvHgWWzMd

Score

10^/10

formbook i65a rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

i65a

Decoy

r00zzvD9uoqMkFT8XDSqPg==

iSMQDJ3Tyuj8KXflBw==

Gq+tYoFrGU/5B4gGNnzHNg==

wEwcynSwpynZKUFhqyIK

bw3PbrjowhAVJA==

TggEt9LuwhAVJA==

r0UqC6sxgcWN7vc=

0m+fwBgf0oyehByUtx51BsBkuj8=

dhtdWWyIhRatp2dpv8tPcJoQ

jTAw4/4TCwcXjpECXDSqPg==

aglx4nPPkGp/raeivGVOfzdbFIu4

+qXr4cAGtQJm7Mf6

sU2Dc4ySSKZJc2/L32pFRrq+NgA0Yi8=

E6ohOo2zadVgzLIfaWALaik=

wXwu0yo/KbNm7Mf6

EcoyojCJYKg1laCuBK+exkNbFIu4

bhZgFvj6yP+R4F+0/5S/oFMpAA==

rzlylCB1NIMabG2dzGQd

+5ngCKjwwhAVJA==

AMUtZrYh+0LPL/QyfSo=

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Loads dropped DLL 1 IoCs

Processes:

explorer.exe

pid process

1784 explorer.exe

pid	process
1784	explorer.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Purchase_Order.exeaspnet_compiler.exeexplorer.exe

description	pid	process	target process
PID 112 set thread context of 1792	112	Purchase_Order.exe	aspnet_compiler.exe
PID 1792 set thread context of 1380	1792	aspnet_compiler.exe	Explorer.EXE
PID 1784 set thread context of 1380	1784	explorer.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-999675638-2867687379-27515722-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	explorer.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

Processes:

aspnet_compiler.exeexplorer.exe

pid	process
1792	aspnet_compiler.exe
1792	aspnet_compiler.exe
1792	aspnet_compiler.exe
1792	aspnet_compiler.exe
1784	explorer.exe
1784	explorer.exe
1784	explorer.exe
1784	explorer.exe
1784	explorer.exe
1784	explorer.exe
1784	explorer.exe
1784	explorer.exe
1784	explorer.exe
1784	explorer.exe
1784	explorer.exe
1784	explorer.exe
1784	explorer.exe
1784	explorer.exe
1784	explorer.exe
1784	explorer.exe
1784	explorer.exe
1784	explorer.exe
1784	explorer.exe
1784	explorer.exe
1784	explorer.exe
1784	explorer.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

aspnet_compiler.exeexplorer.exe

pid process

1792 aspnet_compiler.exe
1792 aspnet_compiler.exe
1792 aspnet_compiler.exe
1784 explorer.exe
1784 explorer.exe
1784 explorer.exe
1784 explorer.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

aspnet_compiler.exeexplorer.exe

description pid process

Token: SeDebugPrivilege 1792 aspnet_compiler.exe
Token: SeDebugPrivilege 1784 explorer.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1380 Explorer.EXE
1380 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1380 Explorer.EXE
1380 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1792	aspnet_compiler.exe
Token: SeDebugPrivilege	1784	explorer.exe

pid	process
1380	Explorer.EXE
1380	Explorer.EXE

pid	process
1380	Explorer.EXE
1380	Explorer.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

Purchase_Order.exeExplorer.EXEexplorer.exe

description	pid	process	target process
PID 112 wrote to memory of 1792	112	Purchase_Order.exe	aspnet_compiler.exe
PID 112 wrote to memory of 1792	112	Purchase_Order.exe	aspnet_compiler.exe
PID 112 wrote to memory of 1792	112	Purchase_Order.exe	aspnet_compiler.exe
PID 112 wrote to memory of 1792	112	Purchase_Order.exe	aspnet_compiler.exe
PID 112 wrote to memory of 1792	112	Purchase_Order.exe	aspnet_compiler.exe
PID 112 wrote to memory of 1792	112	Purchase_Order.exe	aspnet_compiler.exe
PID 112 wrote to memory of 1792	112	Purchase_Order.exe	aspnet_compiler.exe
PID 1380 wrote to memory of 1784	1380	Explorer.EXE	explorer.exe
PID 1380 wrote to memory of 1784	1380	Explorer.EXE	explorer.exe
PID 1380 wrote to memory of 1784	1380	Explorer.EXE	explorer.exe
PID 1380 wrote to memory of 1784	1380	Explorer.EXE	explorer.exe
PID 1784 wrote to memory of 1944	1784	explorer.exe	Firefox.exe
PID 1784 wrote to memory of 1944	1784	explorer.exe	Firefox.exe
PID 1784 wrote to memory of 1944	1784	explorer.exe	Firefox.exe
PID 1784 wrote to memory of 1944	1784	explorer.exe	Firefox.exe
PID 1784 wrote to memory of 1944	1784	explorer.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1380

C:\Users\Admin\AppData\Local\Temp\Purchase_Order.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase_Order.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:112

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1792

C:\Windows\SysWOW64\explorer.exe
"C:\Windows\SysWOW64\explorer.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:1784

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1944

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\sqlite3.dll
Filesize
810KB

MD5
c6ec991471d42128268ea10236d9cdb8

SHA1
d569350d02db6a118136220da8de40a9973084f1

SHA256
1b755cc3093dd45a0df857854aedfeb3c8f3622cff5bc491f2d492ebfa3ef8e0

SHA512
a67ed46547b9270c8a5a7a947b375cb6baf3211072f90170aae2bb6ce9c4fe9d7be3e9d782420dcfdbc19a1f232b3be561ca503b80e8dc3e036a62c54cad5b57

Download Submit
memory/112-55-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/112-56-0x00000000002A0000-0x00000000002AC000-memory.dmp

Filesize
48KB

Download
memory/112-57-0x00000000002B0000-0x00000000002B8000-memory.dmp

Filesize
32KB

Download
memory/112-54-0x0000000000FE0000-0x0000000001050000-memory.dmp

Filesize
448KB

Download
memory/1380-69-0x0000000006D60000-0x0000000006ED0000-memory.dmp

Filesize
1.4MB

Download
memory/1380-79-0x0000000004A20000-0x0000000004B75000-memory.dmp

Filesize
1.3MB

Download
memory/1380-78-0x0000000006D60000-0x0000000006ED0000-memory.dmp

Filesize
1.4MB

Download
memory/1380-77-0x0000000004A20000-0x0000000004B75000-memory.dmp

Filesize
1.3MB

Download
memory/1784-74-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/1784-75-0x0000000002600000-0x0000000002903000-memory.dmp

Filesize
3.0MB

Download
memory/1784-76-0x0000000000A00000-0x0000000000A8F000-memory.dmp

Filesize
572KB

Download
memory/1784-73-0x0000000000F70000-0x00000000011F1000-memory.dmp

Filesize
2.5MB

Download
memory/1784-72-0x0000000074711000-0x0000000074713000-memory.dmp

Filesize
8KB

Download
memory/1784-70-0x0000000000000000-mapping.dmp

Download
memory/1784-71-0x0000000074C11000-0x0000000074C13000-memory.dmp

Filesize
8KB

Download
memory/1792-67-0x0000000000B60000-0x0000000000E63000-memory.dmp

Filesize
3.0MB

Download
memory/1792-65-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1792-64-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1792-66-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/1792-68-0x00000000000C0000-0x00000000000D0000-memory.dmp

Filesize
64KB

Download
memory/1792-62-0x00000000004012B0-mapping.dmp

Download
memory/1792-61-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1792-59-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1792-58-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads