formbook | 7a7a4887dcc86e8b6a576ae2acf805881586ee672be261a2a91a8d7a6e78c5bd

General

Target

excel.DLLW32.dll
Size

24KB
MD5

c79d67e385569c8e4f090f0dc188cfff
SHA1

68ee64c9f281aa0dd0479c8e89289b2af0bf72e8
SHA256

7a7a4887dcc86e8b6a576ae2acf805881586ee672be261a2a91a8d7a6e78c5bd
SHA512

4b4b906e5089816e7c7fb09c594e72bdf751ddd0cc2276b1a01a4915233983814a2463ac7648300362505128c5198882248f05fb5a3483b4702daedbed92b918

Score

10^/10

formbook agilenet rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

C2

http://www.happylittlexplorers.com/glgd/

Decoy

cdcbullies.com

qidajixie.com

bgimlv.com

sunflowerhybrid.com

kemal.cloud

canadadirect.net

mickey2nd.com

fastjobssearcher.com

tiny-tobi.com

inmedixequus.com

coollifeideas.com

triadelectronicsupply.com

lambyo.com

zxyoo.com

spokanemusicmag.com

sortporn.com

deadroomnyc.com

313mail.com

hexiptv.net

stanbiccargo-express.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
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3748-134-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/3748-135-0x000000000041EBD0-mapping.dmp	formbook
behavioral2/memory/3832-143-0x00000000005B0000-0x00000000005DE000-memory.dmp	formbook

Blocklisted process makes network request 1 IoCs

Processes:

rundll32.exe

flow pid process

10 368 rundll32.exe
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

hfgjfhfdgre546.exehfgjfhfdgre546.exe

pid process

2884 hfgjfhfdgre546.exe
3748 hfgjfhfdgre546.exe

flow	pid	process
10	368	rundll32.exe

Obfuscated with Agile.Net obfuscator 2 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

Processes:

resource	yara_rule
behavioral2/memory/2884-128-0x0000000006300000-0x0000000006321000-memory.dmp	agile_net
behavioral2/memory/2884-131-0x0000000004B20000-0x000000000501E000-memory.dmp	agile_net

Suspicious use of SetThreadContext 3 IoCs

Processes:

hfgjfhfdgre546.exehfgjfhfdgre546.execmd.exe

description	pid	process	target process
PID 2884 set thread context of 3748	2884	hfgjfhfdgre546.exe	hfgjfhfdgre546.exe
PID 3748 set thread context of 3000	3748	hfgjfhfdgre546.exe	Explorer.EXE
PID 3832 set thread context of 3000	3832	cmd.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 54 IoCs

Processes:

hfgjfhfdgre546.exehfgjfhfdgre546.execmd.exe

pid	process
2884	hfgjfhfdgre546.exe
2884	hfgjfhfdgre546.exe
3748	hfgjfhfdgre546.exe
3748	hfgjfhfdgre546.exe
3748	hfgjfhfdgre546.exe
3748	hfgjfhfdgre546.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe
3832	cmd.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3000 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

hfgjfhfdgre546.execmd.exe

pid process

3748 hfgjfhfdgre546.exe
3748 hfgjfhfdgre546.exe
3748 hfgjfhfdgre546.exe
3832 cmd.exe
3832 cmd.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

hfgjfhfdgre546.exehfgjfhfdgre546.execmd.exe

description pid process

Token: SeDebugPrivilege 2884 hfgjfhfdgre546.exe
Token: SeDebugPrivilege 3748 hfgjfhfdgre546.exe
Token: SeDebugPrivilege 3832 cmd.exe
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3000 Explorer.EXE

pid	process
3000	Explorer.EXE

pid	process
3748	hfgjfhfdgre546.exe
3748	hfgjfhfdgre546.exe
3748	hfgjfhfdgre546.exe
3832	cmd.exe
3832	cmd.exe

description	pid	process
Token: SeDebugPrivilege	2884	hfgjfhfdgre546.exe
Token: SeDebugPrivilege	3748	hfgjfhfdgre546.exe
Token: SeDebugPrivilege	3832	cmd.exe

pid	process
3000	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

rundll32.exerundll32.exehfgjfhfdgre546.exeExplorer.EXEcmd.exe

description	pid	process	target process
PID 3716 wrote to memory of 368	3716	rundll32.exe	rundll32.exe
PID 3716 wrote to memory of 368	3716	rundll32.exe	rundll32.exe
PID 3716 wrote to memory of 368	3716	rundll32.exe	rundll32.exe
PID 368 wrote to memory of 2884	368	rundll32.exe	hfgjfhfdgre546.exe
PID 368 wrote to memory of 2884	368	rundll32.exe	hfgjfhfdgre546.exe
PID 368 wrote to memory of 2884	368	rundll32.exe	hfgjfhfdgre546.exe
PID 2884 wrote to memory of 3748	2884	hfgjfhfdgre546.exe	hfgjfhfdgre546.exe
PID 2884 wrote to memory of 3748	2884	hfgjfhfdgre546.exe	hfgjfhfdgre546.exe
PID 2884 wrote to memory of 3748	2884	hfgjfhfdgre546.exe	hfgjfhfdgre546.exe
PID 2884 wrote to memory of 3748	2884	hfgjfhfdgre546.exe	hfgjfhfdgre546.exe
PID 2884 wrote to memory of 3748	2884	hfgjfhfdgre546.exe	hfgjfhfdgre546.exe
PID 2884 wrote to memory of 3748	2884	hfgjfhfdgre546.exe	hfgjfhfdgre546.exe
PID 3000 wrote to memory of 3832	3000	Explorer.EXE	cmd.exe
PID 3000 wrote to memory of 3832	3000	Explorer.EXE	cmd.exe
PID 3000 wrote to memory of 3832	3000	Explorer.EXE	cmd.exe
PID 3832 wrote to memory of 2308	3832	cmd.exe	cmd.exe
PID 3832 wrote to memory of 2308	3832	cmd.exe	cmd.exe
PID 3832 wrote to memory of 2308	3832	cmd.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3000

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\excel.DLLW32.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:3716

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\excel.DLLW32.dll,#1
3⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:368

C:\Users\Admin\AppData\Local\Temp\hfgjfhfdgre546.exe
"C:\Users\Admin\AppData\Local\Temp\hfgjfhfdgre546.exe"
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2884

C:\Users\Admin\AppData\Local\Temp\hfgjfhfdgre546.exe
"C:\Users\Admin\AppData\Local\Temp\hfgjfhfdgre546.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3748

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\SysWOW64\cmd.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3832

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\hfgjfhfdgre546.exe"
3⤵
PID:2308

Network

MITRE ATT&CK Matrix

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Downloads

C:\Users\Admin\AppData\Local\Temp\hfgjfhfdgre546.exe
MD5
ebee31991b156db114ab560139198d8f

SHA1
59326bdcd208d288adbe67690e1dbeec0da26722

SHA256
3334766a549149bb18921ea6d05343412c99d36b57e3993b7610dfe689f5f194

SHA512
c2cb8649d644b394437a76fc34ef6fbda2a020fb565a0f457e2df41d5dec1c6bba26eaefd25d78c82964d43320a393b40728037672d14bd236893043b180744d

Download Submit
C:\Users\Admin\AppData\Local\Temp\hfgjfhfdgre546.exe
MD5
ebee31991b156db114ab560139198d8f

SHA1
59326bdcd208d288adbe67690e1dbeec0da26722

SHA256
3334766a549149bb18921ea6d05343412c99d36b57e3993b7610dfe689f5f194

SHA512
c2cb8649d644b394437a76fc34ef6fbda2a020fb565a0f457e2df41d5dec1c6bba26eaefd25d78c82964d43320a393b40728037672d14bd236893043b180744d

Download Submit
C:\Users\Admin\AppData\Local\Temp\hfgjfhfdgre546.exe
MD5
ebee31991b156db114ab560139198d8f

SHA1
59326bdcd208d288adbe67690e1dbeec0da26722

SHA256
3334766a549149bb18921ea6d05343412c99d36b57e3993b7610dfe689f5f194

SHA512
c2cb8649d644b394437a76fc34ef6fbda2a020fb565a0f457e2df41d5dec1c6bba26eaefd25d78c82964d43320a393b40728037672d14bd236893043b180744d

Download Submit
memory/368-114-0x0000000000000000-mapping.dmp

Download
memory/368-115-0x0000000073580000-0x000000007358A000-memory.dmp

Filesize
40KB

Download
memory/368-116-0x0000000073581000-0x0000000073587000-memory.dmp

Filesize
24KB

Download
memory/2308-141-0x0000000000000000-mapping.dmp

Download
memory/2884-130-0x0000000006380000-0x0000000006381000-memory.dmp

Filesize
4KB

Download
memory/2884-120-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/2884-124-0x0000000004BC0000-0x0000000004BC1000-memory.dmp

Filesize
4KB

Download
memory/2884-125-0x00000000055C0000-0x00000000055C1000-memory.dmp

Filesize
4KB

Download
memory/2884-126-0x0000000004B20000-0x000000000501E000-memory.dmp

Filesize
5.0MB

Download
memory/2884-128-0x0000000006300000-0x0000000006321000-memory.dmp

Filesize
132KB

Download
memory/2884-129-0x00000000063C0000-0x00000000063C1000-memory.dmp

Filesize
4KB

Download
memory/2884-122-0x0000000005020000-0x0000000005021000-memory.dmp

Filesize
4KB

Download
memory/2884-131-0x0000000004B20000-0x000000000501E000-memory.dmp

Filesize
5.0MB

Download
memory/2884-132-0x0000000006C30000-0x0000000006C3B000-memory.dmp

Filesize
44KB

Download
memory/2884-133-0x0000000009250000-0x0000000009251000-memory.dmp

Filesize
4KB

Download
memory/2884-117-0x0000000000000000-mapping.dmp

Download
memory/2884-123-0x0000000004B20000-0x0000000004B21000-memory.dmp

Filesize
4KB

Download
memory/3000-139-0x00000000066E0000-0x000000000681A000-memory.dmp

Filesize
1.2MB

Download
memory/3000-146-0x0000000006820000-0x00000000068C2000-memory.dmp

Filesize
648KB

Download
memory/3748-138-0x00000000016A0000-0x00000000016B4000-memory.dmp

Filesize
80KB

Download
memory/3748-137-0x0000000001960000-0x0000000001C80000-memory.dmp

Filesize
3.1MB

Download
memory/3748-135-0x000000000041EBD0-mapping.dmp

Download
memory/3748-134-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3832-140-0x0000000000000000-mapping.dmp

Download
memory/3832-142-0x0000000000FA0000-0x0000000000FF9000-memory.dmp

Filesize
356KB

Download
memory/3832-143-0x00000000005B0000-0x00000000005DE000-memory.dmp

Filesize
184KB

Download
memory/3832-144-0x00000000031A0000-0x00000000034C0000-memory.dmp

Filesize
3.1MB

Download
memory/3832-145-0x00000000034C0000-0x0000000003553000-memory.dmp

Filesize
588KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads