formbook | dcb50eb4e606d1db5f3438f67dd8f02a0113eda8319e602bbb7dbaec55a28f3c

General

Target

Purchase Order 77809 for acknowledgment.exe
Size

281KB
MD5

48884ebe9169015be3e42f68ad14d7be
SHA1

4c0fe63fe5090ed8ac71f3af10dfc84c9b8b0f5e
SHA256

b36d0b4952457c89f455f2333a815b0a1d7530a108bf43ea0ef1a7c17fe2774b
SHA512

9258362c161b710264767cb180913c3190c6594961d40d1fdc976babfeeb4494aab31678cc9eb75662bf48e1055c8d62de0c8c9d2f4061e3917afb325c6bc0b4

Score

10^/10

formbook y22 persistence rat rezer0 spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

3.9

Campaign

y22

Decoy

hashafriyat.com

autoaccessorieshub.com

simelautomazioni.com

bulkappothecary.com

streaminglowcost.com

pixelraps.com

yyy9928.com

pigmansion.net

keyunix.com

bjbangshou.com

mindfulrace.com

fibuv.life

cambridgedesignpartnership.com

plumbeus.com

somebodydial911.com

atrishq.com

circcountry.com

ellenandjames.info

jeeprevivalstore.com

thetouchofjo.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1128-63-0x000000000041B750-mapping.dmp	formbook
behavioral1/memory/1128-62-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral1/memory/896-73-0x0000000000080000-0x00000000000AA000-memory.dmp	formbook

ReZer0 packer 1 IoCs

Detects ReZer0, a packer with multiple versions used in various campaigns.

rezer0

Processes:

resource	yara_rule
behavioral1/memory/1320-58-0x0000000000DB0000-0x0000000000DE8000-memory.dmp	rezer0

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

664 cmd.exe

pid	process
664	cmd.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\JPALGPXXFB = "C:\\Program Files (x86)\\Qkrx0efsx\\igfxs8t.exe"	explorer.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Purchase Order 77809 for acknowledgment.exePurchase Order 77809 for acknowledgment.exeexplorer.exe

description	pid	process	target process
PID 1320 set thread context of 1128	1320	Purchase Order 77809 for acknowledgment.exe	Purchase Order 77809 for acknowledgment.exe
PID 1128 set thread context of 1220	1128	Purchase Order 77809 for acknowledgment.exe	Explorer.EXE
PID 896 set thread context of 1220	896	explorer.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

explorer.exe

description ioc process

File opened for modification C:\Program Files (x86)\Qkrx0efsx\igfxs8t.exe explorer.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Qkrx0efsx\igfxs8t.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-1-5-21-1083475884-596052423-1669053738-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	explorer.exe

Suspicious behavior: EnumeratesProcesses 27 IoCs

Processes:

Purchase Order 77809 for acknowledgment.exePurchase Order 77809 for acknowledgment.exeexplorer.exe

pid	process
1320	Purchase Order 77809 for acknowledgment.exe
1320	Purchase Order 77809 for acknowledgment.exe
1128	Purchase Order 77809 for acknowledgment.exe
1128	Purchase Order 77809 for acknowledgment.exe
1320	Purchase Order 77809 for acknowledgment.exe
896	explorer.exe
896	explorer.exe
896	explorer.exe
896	explorer.exe
896	explorer.exe
896	explorer.exe
896	explorer.exe
896	explorer.exe
896	explorer.exe
896	explorer.exe
896	explorer.exe
896	explorer.exe
896	explorer.exe
896	explorer.exe
896	explorer.exe
896	explorer.exe
896	explorer.exe
896	explorer.exe
896	explorer.exe
896	explorer.exe
896	explorer.exe
896	explorer.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Purchase Order 77809 for acknowledgment.exeexplorer.exe

pid	process
1128	Purchase Order 77809 for acknowledgment.exe
1128	Purchase Order 77809 for acknowledgment.exe
1128	Purchase Order 77809 for acknowledgment.exe
896	explorer.exe
896	explorer.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

Purchase Order 77809 for acknowledgment.exePurchase Order 77809 for acknowledgment.exeexplorer.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1320	Purchase Order 77809 for acknowledgment.exe
Token: SeDebugPrivilege	1128	Purchase Order 77809 for acknowledgment.exe
Token: SeDebugPrivilege	896	explorer.exe
Token: SeShutdownPrivilege	1220	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1220 Explorer.EXE
1220 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1220 Explorer.EXE
1220 Explorer.EXE

pid	process
1220	Explorer.EXE
1220	Explorer.EXE

pid	process
1220	Explorer.EXE
1220	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Purchase Order 77809 for acknowledgment.exeExplorer.EXEexplorer.exe

description	pid	process	target process
PID 1320 wrote to memory of 1128	1320	Purchase Order 77809 for acknowledgment.exe	Purchase Order 77809 for acknowledgment.exe
PID 1320 wrote to memory of 1128	1320	Purchase Order 77809 for acknowledgment.exe	Purchase Order 77809 for acknowledgment.exe
PID 1320 wrote to memory of 1128	1320	Purchase Order 77809 for acknowledgment.exe	Purchase Order 77809 for acknowledgment.exe
PID 1320 wrote to memory of 1128	1320	Purchase Order 77809 for acknowledgment.exe	Purchase Order 77809 for acknowledgment.exe
PID 1320 wrote to memory of 1128	1320	Purchase Order 77809 for acknowledgment.exe	Purchase Order 77809 for acknowledgment.exe
PID 1320 wrote to memory of 1128	1320	Purchase Order 77809 for acknowledgment.exe	Purchase Order 77809 for acknowledgment.exe
PID 1320 wrote to memory of 1128	1320	Purchase Order 77809 for acknowledgment.exe	Purchase Order 77809 for acknowledgment.exe
PID 1220 wrote to memory of 896	1220	Explorer.EXE	explorer.exe
PID 1220 wrote to memory of 896	1220	Explorer.EXE	explorer.exe
PID 1220 wrote to memory of 896	1220	Explorer.EXE	explorer.exe
PID 1220 wrote to memory of 896	1220	Explorer.EXE	explorer.exe
PID 896 wrote to memory of 664	896	explorer.exe	cmd.exe
PID 896 wrote to memory of 664	896	explorer.exe	cmd.exe
PID 896 wrote to memory of 664	896	explorer.exe	cmd.exe
PID 896 wrote to memory of 664	896	explorer.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\Purchase Order 77809 for acknowledgment.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order 77809 for acknowledgment.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1320

C:\Users\Admin\AppData\Local\Temp\Purchase Order 77809 for acknowledgment.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order 77809 for acknowledgment.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1128

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1220

C:\Windows\SysWOW64\explorer.exe
"C:\Windows\SysWOW64\explorer.exe"
2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:896

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Purchase Order 77809 for acknowledgment.exe"
3⤵
- Deletes itself
PID:664

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\1P02057U\1P0logim.jpeg
Filesize
64KB

MD5
3272b1e8362cdc040f17ad83d6db64b9

SHA1
c06d4edf1813e8725e6f2a9b3d59651bbcf468e6

SHA256
bcb3f0c87e302be04433c83e0fa9a917cdcfad0cc0a88eced6e033525f4b19a8

SHA512
797833b0955a1d8103fe10c8afb55ccc1594ff7e3725e6ecdf6754cd744ce540df4f1ec062199a048aba145099aaf8f70d55e0bb7d952678839231979406cbca

Download Submit
C:\Users\Admin\AppData\Roaming\1P02057U\1P0logri.ini
Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\1P02057U\1P0logrv.ini
Filesize
40B

MD5
ba3b6bc807d4f76794c4b81b09bb9ba5

SHA1
24cb89501f0212ff3095ecc0aba97dd563718fb1

SHA256
6eebf968962745b2e9de2ca969af7c424916d4e3fe3cc0bb9b3d414abfce9507

SHA512
ecd07e601fc9e3cfc39addd7bd6f3d7f7ff3253afb40bf536e9eaac5a4c243e5ec40fbfd7b216cb0ea29f2517419601e335e33ba19dea4a46f65e38694d465bf

Download Submit
memory/664-71-0x0000000000000000-mapping.dmp

Download
memory/896-68-0x0000000000000000-mapping.dmp

Download
memory/896-75-0x0000000002180000-0x0000000002213000-memory.dmp

Filesize
588KB

Download
memory/896-74-0x0000000002450000-0x0000000002753000-memory.dmp

Filesize
3.0MB

Download
memory/896-73-0x0000000000080000-0x00000000000AA000-memory.dmp

Filesize
168KB

Download
memory/896-72-0x0000000000960000-0x0000000000BE1000-memory.dmp

Filesize
2.5MB

Download
memory/896-70-0x0000000075261000-0x0000000075263000-memory.dmp

Filesize
8KB

Download
memory/1128-59-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1128-66-0x0000000000190000-0x00000000001A4000-memory.dmp

Filesize
80KB

Download
memory/1128-65-0x0000000000A00000-0x0000000000D03000-memory.dmp

Filesize
3.0MB

Download
memory/1128-62-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1128-63-0x000000000041B750-mapping.dmp

Download
memory/1128-60-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1220-67-0x0000000005DD0000-0x0000000005F51000-memory.dmp

Filesize
1.5MB

Download
memory/1220-76-0x0000000006010000-0x0000000006175000-memory.dmp

Filesize
1.4MB

Download
memory/1320-54-0x0000000001070000-0x00000000010BC000-memory.dmp

Filesize
304KB

Download
memory/1320-58-0x0000000000DB0000-0x0000000000DE8000-memory.dmp

Filesize
224KB

Download
memory/1320-57-0x0000000000390000-0x0000000000398000-memory.dmp

Filesize
32KB

Download
memory/1320-56-0x0000000075F21000-0x0000000075F23000-memory.dmp

Filesize
8KB

Download
memory/1320-55-0x0000000000430000-0x0000000000466000-memory.dmp

Filesize
216KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads