formbook | 1235cd108420d0531298421c807f494e09133bdab337a0d13c6e1bb7ebf239c4

General

Target

fifth.exe
Size

736KB
MD5

f4937a3e14c770221de47df00885285b
SHA1

dc22ac92d802f7339691082330dc36a236e86644
SHA256

1235cd108420d0531298421c807f494e09133bdab337a0d13c6e1bb7ebf239c4
SHA512

f06d1eaf53b7027a768f24d15f8b9cf099145f77765c8ef6a8577f37633ccb147f6d3038a46bce5c21de65b6bd78ab14636d6d233497210af07b2923a0b0c4c7
SSDEEP

12288:JwlQbmomPZefXPtqvyuQwYvCYDAD9AxDZCCjM+9MQJQv8vgUycEn/z:iomxiXQFwv1M9KDZCIMpQDgUDyz

Score

10^/10

formbook 06eh rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

06eh

Decoy

LFsv6dX2ii6R8OphWwptZ9Uy+geJcQ==

F2g1Ra3riiwsEeceZ+kPoyzVyQ==

m7+bOE66nh10jg==

Dyb/VMcRh6yNuvVNwJjlrzs=

3yNAvKD3bmuj1Q4=

K7hi/htWsKfW6xc=

sqpSY7/gcvvY0tm0tWucCg==

LnSqfZJAUour0Qo=

Il4dO5W4JE9OlQYNbHc=

LUYTY9QKZHZPe74hTaa/ljM=

Qg6iySJSuuTgNcboVm4=

SJkvGoebIdDEsJn9AI7yPbNK

DKBLqQM7m6oaUKM84/sIFQ==

GOOzpszYDX9lkuZQ5pmdrDDeyg==

V5064wgZl0G1DxNTv5jlrzs=

Onlr5MMHSXuH/91V

oddlSLzpBTyiCAtcvmSS

ITsUV4Gw/mkWaGLjCHs=

HqWBQYO4SQBinnio6GmL

tDrGMY3MC5e1KdgFRw==

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:

fifth.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Control Panel\International\Geo\Nation fifth.exe
Loads dropped DLL 1 IoCs

Processes:

help.exe

pid process

548 help.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Control Panel\International\Geo\Nation	fifth.exe

pid	process
548	help.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

fifth.exefifth.exehelp.exe

description	pid	process	target process
PID 1420 set thread context of 880	1420	fifth.exe	fifth.exe
PID 880 set thread context of 1224	880	fifth.exe	Explorer.EXE
PID 548 set thread context of 1224	548	help.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

help.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-3406023954-474543476-3319432036-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	help.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

fifth.exehelp.exe

pid	process
880	fifth.exe
880	fifth.exe
880	fifth.exe
880	fifth.exe
548	help.exe
548	help.exe
548	help.exe
548	help.exe
548	help.exe
548	help.exe
548	help.exe
548	help.exe
548	help.exe
548	help.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1224 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

fifth.exehelp.exe

pid process

880 fifth.exe
880 fifth.exe
880 fifth.exe
548 help.exe
548 help.exe
548 help.exe
548 help.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

fifth.exehelp.exeExplorer.EXE

description pid process

Token: SeDebugPrivilege 880 fifth.exe
Token: SeDebugPrivilege 548 help.exe
Token: SeShutdownPrivilege 1224 Explorer.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1224 Explorer.EXE
1224 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1224 Explorer.EXE
1224 Explorer.EXE

pid	process
1224	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	880	fifth.exe
Token: SeDebugPrivilege	548	help.exe
Token: SeShutdownPrivilege	1224	Explorer.EXE

pid	process
1224	Explorer.EXE
1224	Explorer.EXE

pid	process
1224	Explorer.EXE
1224	Explorer.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

fifth.exeExplorer.EXEhelp.exe

description	pid	process	target process
PID 1420 wrote to memory of 880	1420	fifth.exe	fifth.exe
PID 1420 wrote to memory of 880	1420	fifth.exe	fifth.exe
PID 1420 wrote to memory of 880	1420	fifth.exe	fifth.exe
PID 1420 wrote to memory of 880	1420	fifth.exe	fifth.exe
PID 1420 wrote to memory of 880	1420	fifth.exe	fifth.exe
PID 1420 wrote to memory of 880	1420	fifth.exe	fifth.exe
PID 1420 wrote to memory of 880	1420	fifth.exe	fifth.exe
PID 1224 wrote to memory of 548	1224	Explorer.EXE	help.exe
PID 1224 wrote to memory of 548	1224	Explorer.EXE	help.exe
PID 1224 wrote to memory of 548	1224	Explorer.EXE	help.exe
PID 1224 wrote to memory of 548	1224	Explorer.EXE	help.exe
PID 548 wrote to memory of 1644	548	help.exe	Firefox.exe
PID 548 wrote to memory of 1644	548	help.exe	Firefox.exe
PID 548 wrote to memory of 1644	548	help.exe	Firefox.exe
PID 548 wrote to memory of 1644	548	help.exe	Firefox.exe
PID 548 wrote to memory of 1644	548	help.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1224

C:\Users\Admin\AppData\Local\Temp\fifth.exe
"C:\Users\Admin\AppData\Local\Temp\fifth.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1420

C:\Users\Admin\AppData\Local\Temp\fifth.exe
"C:\Users\Admin\AppData\Local\Temp\fifth.exe"
3⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:880

C:\Windows\SysWOW64\help.exe
"C:\Windows\SysWOW64\help.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:548

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1644

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\sqlite3.dll
Filesize
949KB

MD5
38a3e021eb32c9976adaf0b3372080fc

SHA1
68e02803c646be21007d90bec841c176b82211fd

SHA256
8cde0275d60da0d11954f73c7c8862cfc4b306f61bb8b1ce14abe4a193af2652

SHA512
b886cc112f2750e7300b66f7242850659fa49fdc97f75aed376cb9f5440875f303a143bf8b51068ec42674f1ebe1dfcc40534f3a7aed3cc4d20f9274b9a66d18

Download Submit
memory/548-72-0x0000000000000000-mapping.dmp

Download
memory/548-78-0x00000000000C0000-0x00000000000ED000-memory.dmp

Filesize
180KB

Download
memory/548-76-0x00000000004A0000-0x000000000052F000-memory.dmp

Filesize
572KB

Download
memory/548-75-0x00000000008D0000-0x0000000000BD3000-memory.dmp

Filesize
3.0MB

Download
memory/548-74-0x00000000000C0000-0x00000000000ED000-memory.dmp

Filesize
180KB

Download
memory/548-73-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/880-60-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/880-61-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/880-64-0x00000000004012B0-mapping.dmp

Download
memory/880-66-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/880-67-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/880-68-0x0000000000401000-0x000000000042E000-memory.dmp

Filesize
180KB

Download
memory/880-69-0x0000000000950000-0x0000000000C53000-memory.dmp

Filesize
3.0MB

Download
memory/880-70-0x00000000001A0000-0x00000000001B0000-memory.dmp

Filesize
64KB

Download
memory/880-63-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1224-71-0x0000000007460000-0x00000000075E7000-memory.dmp

Filesize
1.5MB

Download
memory/1224-77-0x0000000004AB0000-0x0000000004B61000-memory.dmp

Filesize
708KB

Download
memory/1224-80-0x0000000004AB0000-0x0000000004B61000-memory.dmp

Filesize
708KB

Download
memory/1420-54-0x0000000000010000-0x00000000000CE000-memory.dmp

Filesize
760KB

Download
memory/1420-59-0x0000000004140000-0x0000000004182000-memory.dmp

Filesize
264KB

Download
memory/1420-58-0x0000000004720000-0x000000000479A000-memory.dmp

Filesize
488KB

Download
memory/1420-57-0x0000000000440000-0x000000000044E000-memory.dmp

Filesize
56KB

Download
memory/1420-56-0x00000000008C0000-0x00000000008DA000-memory.dmp

Filesize
104KB

Download
memory/1420-55-0x0000000075C81000-0x0000000075C83000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads