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-1-5-21-4063495947-34355257-727531523-1000\Control Panel\International\Geo\Nation fifth.exe
Loads dropped DLL 1 IoCs

Processes:

raserver.exe

pid process

808 raserver.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Control Panel\International\Geo\Nation	fifth.exe

pid	process
808	raserver.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

fifth.exefifth.exeraserver.exe

description	pid	process	target process
PID 1464 set thread context of 1680	1464	fifth.exe	fifth.exe
PID 1680 set thread context of 1360	1680	fifth.exe	Explorer.EXE
PID 808 set thread context of 1360	808	raserver.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

raserver.exe

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

Suspicious behavior: EnumeratesProcesses 19 IoCs

Processes:

fifth.exeraserver.exe

pid	process
1680	fifth.exe
1680	fifth.exe
1680	fifth.exe
1680	fifth.exe
808	raserver.exe
808	raserver.exe
808	raserver.exe
808	raserver.exe
808	raserver.exe
808	raserver.exe
808	raserver.exe
808	raserver.exe
808	raserver.exe
808	raserver.exe
808	raserver.exe
808	raserver.exe
808	raserver.exe
808	raserver.exe
808	raserver.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1360 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

fifth.exeraserver.exe

pid process

1680 fifth.exe
1680 fifth.exe
1680 fifth.exe
808 raserver.exe
808 raserver.exe
808 raserver.exe
808 raserver.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

fifth.exeraserver.exe

description pid process

Token: SeDebugPrivilege 1680 fifth.exe
Token: SeDebugPrivilege 808 raserver.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1360 Explorer.EXE
1360 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1360 Explorer.EXE
1360 Explorer.EXE

pid	process
1360	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1680	fifth.exe
Token: SeDebugPrivilege	808	raserver.exe

pid	process
1360	Explorer.EXE
1360	Explorer.EXE

pid	process
1360	Explorer.EXE
1360	Explorer.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

fifth.exeExplorer.EXEraserver.exe

description	pid	process	target process
PID 1464 wrote to memory of 1680	1464	fifth.exe	fifth.exe
PID 1464 wrote to memory of 1680	1464	fifth.exe	fifth.exe
PID 1464 wrote to memory of 1680	1464	fifth.exe	fifth.exe
PID 1464 wrote to memory of 1680	1464	fifth.exe	fifth.exe
PID 1464 wrote to memory of 1680	1464	fifth.exe	fifth.exe
PID 1464 wrote to memory of 1680	1464	fifth.exe	fifth.exe
PID 1464 wrote to memory of 1680	1464	fifth.exe	fifth.exe
PID 1360 wrote to memory of 808	1360	Explorer.EXE	raserver.exe
PID 1360 wrote to memory of 808	1360	Explorer.EXE	raserver.exe
PID 1360 wrote to memory of 808	1360	Explorer.EXE	raserver.exe
PID 1360 wrote to memory of 808	1360	Explorer.EXE	raserver.exe
PID 808 wrote to memory of 1712	808	raserver.exe	Firefox.exe
PID 808 wrote to memory of 1712	808	raserver.exe	Firefox.exe
PID 808 wrote to memory of 1712	808	raserver.exe	Firefox.exe
PID 808 wrote to memory of 1712	808	raserver.exe	Firefox.exe
PID 808 wrote to memory of 1712	808	raserver.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:1360
- 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:1464
- - 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:1680
- C:\Windows\SysWOW64\raserver.exe
  "C:\Windows\SysWOW64\raserver.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:808
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:1712

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

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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/808-74-0x0000000000190000-0x00000000001AC000-memory.dmp

Filesize
112KB

Download
memory/808-75-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/808-76-0x00000000020B0000-0x00000000023B3000-memory.dmp

Filesize
3.0MB

Download
memory/808-77-0x0000000001DE0000-0x0000000001E6F000-memory.dmp

Filesize
572KB

Download
memory/808-79-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/808-72-0x0000000000000000-mapping.dmp

Download
memory/1360-80-0x00000000049E0000-0x0000000004A9B000-memory.dmp

Filesize
748KB

Download
memory/1360-78-0x00000000049E0000-0x0000000004A9B000-memory.dmp

Filesize
748KB

Download
memory/1360-71-0x0000000007140000-0x00000000072D8000-memory.dmp

Filesize
1.6MB

Download
memory/1464-54-0x0000000000270000-0x000000000032E000-memory.dmp

Filesize
760KB

Download
memory/1464-59-0x0000000001EB0000-0x0000000001EF2000-memory.dmp

Filesize
264KB

Download
memory/1464-58-0x0000000007F00000-0x0000000007F7A000-memory.dmp

Filesize
488KB

Download
memory/1464-57-0x0000000000540000-0x000000000054E000-memory.dmp

Filesize
56KB

Download
memory/1464-56-0x0000000000560000-0x000000000057A000-memory.dmp

Filesize
104KB

Download
memory/1464-55-0x0000000075B51000-0x0000000075B53000-memory.dmp

Filesize
8KB

Download
memory/1680-60-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1680-70-0x0000000000110000-0x0000000000120000-memory.dmp

Filesize
64KB

Download
memory/1680-69-0x0000000000C70000-0x0000000000F73000-memory.dmp

Filesize
3.0MB

Download
memory/1680-68-0x0000000000401000-0x000000000042E000-memory.dmp

Filesize
180KB

Download
memory/1680-67-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1680-66-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1680-64-0x00000000004012B0-mapping.dmp

Download
memory/1680-63-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1680-61-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads