formbook | 12a2e2cc7cbb6a6596a683724d2eb4b83782589c561b9bcf1f9d4aab0cfe97bd

General

Target

specification quote.exe
Size

810KB
MD5

299c603f94babfbb8c3603dd391cec98
SHA1

eb9c84751d0e0421ee3ec284a2756885f75c8586
SHA256

65463a82bb20ec1f2d53e93c9e51538d55fff2844c746afc36e7a1c43cce36e4
SHA512

7c5d3ce7efead015fbafa3eb9578ec79eab4d8661f00d82dc4abc19dc98c7d490625de0118ded95fc39bb6d847c9cbb51ab5860023ff856291c9189d136ffe05

Score

10^/10

formbook n7ak persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

n7ak

Decoy

audereventur.com

huro14.com

wwwjinsha155.com

antiquevendor.com

samuraisoulfood.net

traffic4updates.download

hypersarv.com

rapport-happy-wedding.com

rokutechnosupport.online

allworljob.com

hanaleedossmann.com

kauai-marathon.com

bepbosch.com

kangen-international.com

zoneshopemenowz.com

belviderewrestling.com

ipllink.com

sellingforcreators.com

wwwswty6655.com

qtumboa.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
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
suricata

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3936-131-0x0000000010410000-0x000000001043D000-memory.dmp	formbook
behavioral2/memory/2308-132-0x0000000000000000-mapping.dmp	formbook
behavioral2/memory/4636-139-0x00000000003B0000-0x00000000003DD000-memory.dmp	formbook

Adds policy Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wscript.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	wscript.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wscript.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\6L74INL8GB = "C:\\Program Files (x86)\\internet explorer\\ieinstal.exe"	wscript.exe
Key created	\Registry\User\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	wscript.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Suspicious use of SetThreadContext 2 IoCs

Processes:

ieinstal.exewscript.exe

description	pid	process	target process
PID 2308 set thread context of 3020	2308	ieinstal.exe	Explorer.EXE
PID 4636 set thread context of 3020	4636	wscript.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

wscript.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	wscript.exe

Suspicious behavior: EnumeratesProcesses 52 IoCs

Processes:

ieinstal.exewscript.exe

pid	process
2308	ieinstal.exe
2308	ieinstal.exe
2308	ieinstal.exe
2308	ieinstal.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe
4636	wscript.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3020 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

ieinstal.exewscript.exe

pid process

2308 ieinstal.exe
2308 ieinstal.exe
2308 ieinstal.exe
4636 wscript.exe
4636 wscript.exe
4636 wscript.exe
4636 wscript.exe

pid	process
3020	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

ieinstal.exewscript.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	2308	ieinstal.exe
Token: SeDebugPrivilege	4636	wscript.exe
Token: SeShutdownPrivilege	3020	Explorer.EXE
Token: SeCreatePagefilePrivilege	3020	Explorer.EXE
Token: SeShutdownPrivilege	3020	Explorer.EXE
Token: SeCreatePagefilePrivilege	3020	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

specification quote.exeExplorer.EXEwscript.exe

description	pid	process	target process
PID 3936 wrote to memory of 2308	3936	specification quote.exe	ieinstal.exe
PID 3936 wrote to memory of 2308	3936	specification quote.exe	ieinstal.exe
PID 3936 wrote to memory of 2308	3936	specification quote.exe	ieinstal.exe
PID 3936 wrote to memory of 2308	3936	specification quote.exe	ieinstal.exe
PID 3936 wrote to memory of 2308	3936	specification quote.exe	ieinstal.exe
PID 3936 wrote to memory of 2308	3936	specification quote.exe	ieinstal.exe
PID 3020 wrote to memory of 4636	3020	Explorer.EXE	wscript.exe
PID 3020 wrote to memory of 4636	3020	Explorer.EXE	wscript.exe
PID 3020 wrote to memory of 4636	3020	Explorer.EXE	wscript.exe
PID 4636 wrote to memory of 996	4636	wscript.exe	cmd.exe
PID 4636 wrote to memory of 996	4636	wscript.exe	cmd.exe
PID 4636 wrote to memory of 996	4636	wscript.exe	cmd.exe
PID 4636 wrote to memory of 4264	4636	wscript.exe	Firefox.exe
PID 4636 wrote to memory of 4264	4636	wscript.exe	Firefox.exe
PID 4636 wrote to memory of 4264	4636	wscript.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3020

C:\Users\Admin\AppData\Local\Temp\specification quote.exe
"C:\Users\Admin\AppData\Local\Temp\specification quote.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3936

C:\Program Files (x86)\internet explorer\ieinstal.exe
"C:\Program Files (x86)\internet explorer\ieinstal.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2308

C:\Windows\SysWOW64\wscript.exe
"C:\Windows\SysWOW64\wscript.exe"
2⤵
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4636

C:\Windows\SysWOW64\cmd.exe
/c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
3⤵
PID:996

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:4264

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2

T1060

Privilege Escalation

Defense Evasion

Modify Registry

3

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Web Service

1

T1102

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\DB1
Filesize
40KB

MD5
b608d407fc15adea97c26936bc6f03f6

SHA1
953e7420801c76393902c0d6bb56148947e41571

SHA256
b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

SHA512
cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

Download Submit
C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologim.jpeg
Filesize
78KB

MD5
e275c84f383dc39c483aa24beeb3c409

SHA1
067ffe7cdbff5f598bedcf7a0395c87c41b17851

SHA256
052169c41f92da535382e6b0852caad3012da7dacf1bcbd59826765389820368

SHA512
f0486e509b7716fb01a2e9c33b957df1ef0a8ad5f39c7491371b5b20f4f372dafd67544358eced72d18eb9d1eea9fb2273ea6e44bf53f1a5b3344fcb30487313

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C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologrf.ini
Filesize
40B

MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

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C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologrg.ini
Filesize
38B

MD5
4aadf49fed30e4c9b3fe4a3dd6445ebe

SHA1
1e332822167c6f351b99615eada2c30a538ff037

SHA256
75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56

SHA512
eb5b3908d5e7b43ba02165e092f05578f45f15a148b4c3769036aa542c23a0f7cd2bc2770cf4119a7e437de3f681d9e398511f69f66824c516d9b451bb95f945

Download Submit
C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologri.ini
Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologrv.ini
Filesize
872B

MD5
bbc41c78bae6c71e63cb544a6a284d94

SHA1
33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

SHA256
ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

SHA512
0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

Download Submit
memory/996-141-0x0000000000000000-mapping.dmp

Download
memory/2308-132-0x0000000000000000-mapping.dmp

Download
memory/2308-134-0x0000000002C80000-0x0000000002FCA000-memory.dmp

Filesize
3.3MB

Download
memory/2308-135-0x0000000002BB0000-0x0000000002BC4000-memory.dmp

Filesize
80KB

Download
memory/3020-144-0x0000000003110000-0x00000000031F3000-memory.dmp

Filesize
908KB

Download
memory/3020-136-0x0000000008110000-0x0000000008250000-memory.dmp

Filesize
1.2MB

Download
memory/3936-131-0x0000000010410000-0x000000001043D000-memory.dmp

Filesize
180KB

Download
memory/4636-143-0x0000000002570000-0x0000000002603000-memory.dmp

Filesize
588KB

Download
memory/4636-140-0x0000000002740000-0x0000000002A8A000-memory.dmp

Filesize
3.3MB

Download
memory/4636-139-0x00000000003B0000-0x00000000003DD000-memory.dmp

Filesize
180KB

Download
memory/4636-138-0x0000000000650000-0x0000000000677000-memory.dmp

Filesize
156KB

Download
memory/4636-137-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads