formbook | 77ed29ab8aa9da3669874c3f49e81c581105a981e8537a78382dc69e043943a6

General

Target

NEWCUSTOMER-PDF.exe
Size

762KB
MD5

d0c1e2d3400adbc801fb564688620041
SHA1

499c664b4170c484c661286d02135186ae5e77f8
SHA256

77ed29ab8aa9da3669874c3f49e81c581105a981e8537a78382dc69e043943a6
SHA512

28a8dde829add33a2550e668461e2b1899982ae49c9733dc29118a2ce8bcff8903924049fcb964e6b6faee41b303c49decda52de9c08b6349d2dcc16c08a9c74
SSDEEP

12288:ZCvwk/wjZBHYBcLnCdP9+V7ywfxxM+fd6BVvhazSUQxHIugLrxhS/ESBoYXJGRTw:ZCvwIkBaf+RTG+fdifRFgLjS/7nJT

Score

10^/10

formbook h3sc rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

h3sc

Decoy

seemessage.com

bitlab.website

cheesestuff.ru

bhartiyafitness.com

bardapps.com

l7a4.com

chiara-samatanga.com

lesrollintioup.com

dropwc.com

mackey242.com

rackksfresheggs.com

thinkvlog.com

aidmedicalassist.com

firehousepickleball.net

sifreyonetici.com

teka-mart.com

ddttzone.xyz

macfeeupdate.com

ivocastillo.com

serjayparks.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook payload 5 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1484-71-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1260-73-0x0000000002510000-0x0000000002550000-memory.dmp	formbook
behavioral1/memory/1484-74-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1260-76-0x0000000002510000-0x0000000002550000-memory.dmp	formbook
behavioral1/memory/1496-81-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

NEWCUSTOMER-PDF.exeNEWCUSTOMER-PDF.exesystray.exe

description	pid	process	target process
PID 2036 set thread context of 1484	2036	NEWCUSTOMER-PDF.exe	NEWCUSTOMER-PDF.exe
PID 1484 set thread context of 1352	1484	NEWCUSTOMER-PDF.exe	Explorer.EXE
PID 1496 set thread context of 1352	1496	systray.exe	Explorer.EXE

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

860 schtasks.exe

pid	process
860	schtasks.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

systray.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-3948302646-268491222-1934009652-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	systray.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

NEWCUSTOMER-PDF.exepowershell.exesystray.exe

pid	process
1484	NEWCUSTOMER-PDF.exe
1484	NEWCUSTOMER-PDF.exe
1260	powershell.exe
1496	systray.exe
1496	systray.exe
1496	systray.exe
1496	systray.exe
1496	systray.exe
1496	systray.exe
1496	systray.exe
1496	systray.exe
1496	systray.exe
1496	systray.exe
1496	systray.exe
1496	systray.exe
1496	systray.exe
1496	systray.exe
1496	systray.exe
1496	systray.exe
1496	systray.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1352 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

NEWCUSTOMER-PDF.exesystray.exe

pid process

1484 NEWCUSTOMER-PDF.exe
1484 NEWCUSTOMER-PDF.exe
1484 NEWCUSTOMER-PDF.exe
1496 systray.exe
1496 systray.exe
1496 systray.exe
1496 systray.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

NEWCUSTOMER-PDF.exepowershell.exesystray.exe

description pid process

Token: SeDebugPrivilege 1484 NEWCUSTOMER-PDF.exe
Token: SeDebugPrivilege 1260 powershell.exe
Token: SeDebugPrivilege 1496 systray.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1352 Explorer.EXE
1352 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1352 Explorer.EXE
1352 Explorer.EXE

pid	process
1352	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1484	NEWCUSTOMER-PDF.exe
Token: SeDebugPrivilege	1260	powershell.exe
Token: SeDebugPrivilege	1496	systray.exe

pid	process
1352	Explorer.EXE
1352	Explorer.EXE

pid	process
1352	Explorer.EXE
1352	Explorer.EXE

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

NEWCUSTOMER-PDF.exeExplorer.EXEsystray.exe

description	pid	process	target process
PID 2036 wrote to memory of 1260	2036	NEWCUSTOMER-PDF.exe	powershell.exe
PID 2036 wrote to memory of 1260	2036	NEWCUSTOMER-PDF.exe	powershell.exe
PID 2036 wrote to memory of 1260	2036	NEWCUSTOMER-PDF.exe	powershell.exe
PID 2036 wrote to memory of 1260	2036	NEWCUSTOMER-PDF.exe	powershell.exe
PID 2036 wrote to memory of 860	2036	NEWCUSTOMER-PDF.exe	schtasks.exe
PID 2036 wrote to memory of 860	2036	NEWCUSTOMER-PDF.exe	schtasks.exe
PID 2036 wrote to memory of 860	2036	NEWCUSTOMER-PDF.exe	schtasks.exe
PID 2036 wrote to memory of 860	2036	NEWCUSTOMER-PDF.exe	schtasks.exe
PID 2036 wrote to memory of 1484	2036	NEWCUSTOMER-PDF.exe	NEWCUSTOMER-PDF.exe
PID 2036 wrote to memory of 1484	2036	NEWCUSTOMER-PDF.exe	NEWCUSTOMER-PDF.exe
PID 2036 wrote to memory of 1484	2036	NEWCUSTOMER-PDF.exe	NEWCUSTOMER-PDF.exe
PID 2036 wrote to memory of 1484	2036	NEWCUSTOMER-PDF.exe	NEWCUSTOMER-PDF.exe
PID 2036 wrote to memory of 1484	2036	NEWCUSTOMER-PDF.exe	NEWCUSTOMER-PDF.exe
PID 2036 wrote to memory of 1484	2036	NEWCUSTOMER-PDF.exe	NEWCUSTOMER-PDF.exe
PID 2036 wrote to memory of 1484	2036	NEWCUSTOMER-PDF.exe	NEWCUSTOMER-PDF.exe
PID 1352 wrote to memory of 1496	1352	Explorer.EXE	systray.exe
PID 1352 wrote to memory of 1496	1352	Explorer.EXE	systray.exe
PID 1352 wrote to memory of 1496	1352	Explorer.EXE	systray.exe
PID 1352 wrote to memory of 1496	1352	Explorer.EXE	systray.exe
PID 1496 wrote to memory of 1812	1496	systray.exe	Firefox.exe
PID 1496 wrote to memory of 1812	1496	systray.exe	Firefox.exe
PID 1496 wrote to memory of 1812	1496	systray.exe	Firefox.exe
PID 1496 wrote to memory of 1812	1496	systray.exe	Firefox.exe
PID 1496 wrote to memory of 1812	1496	systray.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:1352

C:\Users\Admin\AppData\Local\Temp\NEWCUSTOMER-PDF.exe
"C:\Users\Admin\AppData\Local\Temp\NEWCUSTOMER-PDF.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2036

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UdaCiZJIbbVG.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1260

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UdaCiZJIbbVG" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCB9A.tmp"
3⤵
- Creates scheduled task(s)
PID:860

C:\Users\Admin\AppData\Local\Temp\NEWCUSTOMER-PDF.exe
"C:\Users\Admin\AppData\Local\Temp\NEWCUSTOMER-PDF.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1484

C:\Windows\SysWOW64\systray.exe
"C:\Windows\SysWOW64\systray.exe"
2⤵
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1496

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1812

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpCB9A.tmp
Filesize
1KB

MD5
7b7f71b3e0590299fc5d9a19b987f7ed

SHA1
903d1999d1b3f316768258d1e8c5e917342818ed

SHA256
bfb163edb432cee444f76d5a797978c789313efc52b45b2708abd4ddaecf736a

SHA512
2d041c6b039c5909a83c73c71b52b0930cb438b5e5a0818b91200873809331d6a712ec832a9be8ed54dc867d5b4401274b24c78de8add9557430456f09b3f093

Download Submit
C:\Users\Admin\AppData\Roaming\5M25R11A\5M2logim.jpeg
Filesize
66KB

MD5
690213bad75d16181d671d53cb4d769c

SHA1
658d3c465bd4393ccf4c31dc51adab006b732645

SHA256
55df8836f8af7b374bc345f773c6c75487cebdc4ab6af95123fd672bf5bf37fe

SHA512
55669f2f622354d961556cb31f74413bbaae9312a3ae6b614a31266c7bdc5ebf8bf8a74a4eb57403a58d9fc37e3619f3e37f9563f73e8f8b532d199770fd3250

Download Submit
C:\Users\Admin\AppData\Roaming\5M25R11A\5M2logrf.ini
Filesize
40B

MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\5M25R11A\5M2logri.ini
Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\5M25R11A\5M2logrv.ini
Filesize
40B

MD5
ba3b6bc807d4f76794c4b81b09bb9ba5

SHA1
24cb89501f0212ff3095ecc0aba97dd563718fb1

SHA256
6eebf968962745b2e9de2ca969af7c424916d4e3fe3cc0bb9b3d414abfce9507

SHA512
ecd07e601fc9e3cfc39addd7bd6f3d7f7ff3253afb40bf536e9eaac5a4c243e5ec40fbfd7b216cb0ea29f2517419601e335e33ba19dea4a46f65e38694d465bf

Download Submit
memory/1260-73-0x0000000002510000-0x0000000002550000-memory.dmp

Filesize
256KB

Download
memory/1260-76-0x0000000002510000-0x0000000002550000-memory.dmp

Filesize
256KB

Download
memory/1352-94-0x0000000006FC0000-0x00000000070FF000-memory.dmp

Filesize
1.2MB

Download
memory/1352-90-0x0000000006FC0000-0x00000000070FF000-memory.dmp

Filesize
1.2MB

Download
memory/1352-89-0x0000000006FC0000-0x00000000070FF000-memory.dmp

Filesize
1.2MB

Download
memory/1352-78-0x0000000006980000-0x0000000006B2D000-memory.dmp

Filesize
1.7MB

Download
memory/1484-68-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1484-70-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1484-71-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1484-69-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1484-74-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1484-75-0x0000000000B40000-0x0000000000E43000-memory.dmp

Filesize
3.0MB

Download
memory/1484-77-0x0000000000190000-0x00000000001A5000-memory.dmp

Filesize
84KB

Download
memory/1496-82-0x0000000002010000-0x0000000002313000-memory.dmp

Filesize
3.0MB

Download
memory/1496-80-0x0000000000930000-0x0000000000935000-memory.dmp

Filesize
20KB

Download
memory/1496-81-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/1496-88-0x0000000001D40000-0x0000000001DD4000-memory.dmp

Filesize
592KB

Download
memory/1496-79-0x0000000000930000-0x0000000000935000-memory.dmp

Filesize
20KB

Download
memory/1496-93-0x0000000001D40000-0x0000000001DD4000-memory.dmp

Filesize
592KB

Download
memory/2036-54-0x0000000000A70000-0x0000000000B34000-memory.dmp

Filesize
784KB

Download
memory/2036-67-0x0000000004DE0000-0x0000000004E18000-memory.dmp

Filesize
224KB

Download
memory/2036-64-0x0000000002160000-0x0000000002168000-memory.dmp

Filesize
32KB

Download
memory/2036-58-0x0000000005810000-0x00000000058C0000-memory.dmp

Filesize
704KB

Download
memory/2036-57-0x00000000003A0000-0x00000000003AC000-memory.dmp

Filesize
48KB

Download
memory/2036-56-0x0000000000510000-0x000000000052E000-memory.dmp

Filesize
120KB

Download
memory/2036-55-0x0000000004D50000-0x0000000004D90000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads