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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation fifth.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	fifth.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

fifth.exefifth.exehelp.exe

description	pid	process	target process
PID 3172 set thread context of 4116	3172	fifth.exe	fifth.exe
PID 4116 set thread context of 704	4116	fifth.exe	Explorer.EXE
PID 3800 set thread context of 704	3800	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-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	help.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

fifth.exehelp.exe

pid	process
4116	fifth.exe
4116	fifth.exe
4116	fifth.exe
4116	fifth.exe
4116	fifth.exe
4116	fifth.exe
4116	fifth.exe
4116	fifth.exe
3800	help.exe
3800	help.exe
3800	help.exe
3800	help.exe
3800	help.exe
3800	help.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

fifth.exehelp.exe

pid process

4116 fifth.exe
4116 fifth.exe
4116 fifth.exe
3800 help.exe
3800 help.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

fifth.exehelp.exe

description pid process

Token: SeDebugPrivilege 4116 fifth.exe
Token: SeDebugPrivilege 3800 help.exe

description	pid	process
Token: SeDebugPrivilege	4116	fifth.exe
Token: SeDebugPrivilege	3800	help.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

fifth.exeExplorer.EXE

description	pid	process	target process
PID 3172 wrote to memory of 4116	3172	fifth.exe	fifth.exe
PID 3172 wrote to memory of 4116	3172	fifth.exe	fifth.exe
PID 3172 wrote to memory of 4116	3172	fifth.exe	fifth.exe
PID 3172 wrote to memory of 4116	3172	fifth.exe	fifth.exe
PID 3172 wrote to memory of 4116	3172	fifth.exe	fifth.exe
PID 3172 wrote to memory of 4116	3172	fifth.exe	fifth.exe
PID 704 wrote to memory of 3800	704	Explorer.EXE	help.exe
PID 704 wrote to memory of 3800	704	Explorer.EXE	help.exe
PID 704 wrote to memory of 3800	704	Explorer.EXE	help.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:704

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:3172

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:4116

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:4704

C:\Windows\SysWOW64\help.exe
"C:\Windows\SysWOW64\help.exe"
2⤵
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3800

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

memory/704-154-0x0000000007EA0000-0x000000000801F000-memory.dmp

Filesize
1.5MB

Download
memory/704-145-0x00000000026A0000-0x0000000002779000-memory.dmp

Filesize
868KB

Download
memory/704-150-0x00000000026A0000-0x0000000002779000-memory.dmp

Filesize
868KB

Download
memory/704-153-0x0000000007EA0000-0x000000000801F000-memory.dmp

Filesize
1.5MB

Download
memory/3172-135-0x0000000005610000-0x000000000561A000-memory.dmp

Filesize
40KB

Download
memory/3172-132-0x0000000000990000-0x0000000000A4E000-memory.dmp

Filesize
760KB

Download
memory/3172-136-0x00000000077D0000-0x000000000786C000-memory.dmp

Filesize
624KB

Download
memory/3172-134-0x0000000005470000-0x0000000005502000-memory.dmp

Filesize
584KB

Download
memory/3172-133-0x0000000005A20000-0x0000000005FC4000-memory.dmp

Filesize
5.6MB

Download
memory/3800-148-0x0000000000150000-0x000000000017D000-memory.dmp

Filesize
180KB

Download
memory/3800-152-0x00000000009B0000-0x0000000000A3F000-memory.dmp

Filesize
572KB

Download
memory/3800-151-0x0000000000150000-0x000000000017D000-memory.dmp

Filesize
180KB

Download
memory/3800-149-0x0000000000B90000-0x0000000000EDA000-memory.dmp

Filesize
3.3MB

Download
memory/3800-146-0x0000000000000000-mapping.dmp

Download
memory/3800-147-0x00000000009A0000-0x00000000009A7000-memory.dmp

Filesize
28KB

Download
memory/4116-137-0x0000000000000000-mapping.dmp

Download
memory/4116-144-0x0000000001460000-0x0000000001470000-memory.dmp

Filesize
64KB

Download
memory/4116-143-0x0000000001920000-0x0000000001C6A000-memory.dmp

Filesize
3.3MB

Download
memory/4116-142-0x0000000000401000-0x000000000042E000-memory.dmp

Filesize
180KB

Download
memory/4116-141-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4116-140-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4116-138-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads