formbook | 5814e53e67e68d674db42f492fb1265b2fa65c70f31d706e38ef65b3bf3c8769

Analysis

max time kernel
148s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
resource tags

arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
submitted
24-07-2022 16:32

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General

Target

5814e53e67e68d674db42f492fb1265b2fa65c70f31d706e38ef65b3bf3c8769.exe
Size

212KB
MD5

0d6ae9500984c013e717fac3aa020e0f
SHA1

d87df965c6ae2e75380d6752dc0030fc7b891a1d
SHA256

5814e53e67e68d674db42f492fb1265b2fa65c70f31d706e38ef65b3bf3c8769
SHA512

e23dcd8c19590785409c789c47fb4a69e51dde2534f739a635b8b5b23f73705a42dbc6ef8dfaa336c1fad01d7355e4755717e5fba52f970fda5542356dd95dcf

Score

10^/10

formbook sh persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

3.8

Campaign

Decoy

studiogoparty.com

furi-mold.com

cdicoun-tombola.info

elizabethlhall.com

nakayama-hanasai.com

9910pe.com

iraqbreakingnews.com

91fyy.com

intersafetyland.com

dddadditive.com

gewuan.net

ikwxanxb.click

shenghangdianzi.com

nuskinmemory.com

sonrel-julie.com

rapidlegalcenter.com

jcldsp.com

dibamoviez.net

sochuan66.com

platformoneclothing.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 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4816-142-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral2/memory/4816-148-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral2/memory/4732-152-0x0000000000390000-0x00000000003BA000-memory.dmp	formbook
behavioral2/memory/4732-155-0x0000000000390000-0x00000000003BA000-memory.dmp	formbook

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
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

help.exe

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	help.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MBADHTDX-27 = "C:\\Program Files (x86)\\Wdhldyf\\r4khzllfi.exe"	help.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

5814e53e67e68d674db42f492fb1265b2fa65c70f31d706e38ef65b3bf3c8769.exevbc.exehelp.exe

description	pid	process	target process
PID 2136 set thread context of 4816	2136	5814e53e67e68d674db42f492fb1265b2fa65c70f31d706e38ef65b3bf3c8769.exe	vbc.exe
PID 4816 set thread context of 820	4816	vbc.exe	Explorer.EXE
PID 4732 set thread context of 820	4732	help.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

help.exe

description ioc process

File opened for modification C:\Program Files (x86)\Wdhldyf\r4khzllfi.exe help.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Wdhldyf\r4khzllfi.exe	help.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-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	help.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

Processes:

5814e53e67e68d674db42f492fb1265b2fa65c70f31d706e38ef65b3bf3c8769.exevbc.exehelp.exe

pid	process
2136	5814e53e67e68d674db42f492fb1265b2fa65c70f31d706e38ef65b3bf3c8769.exe
2136	5814e53e67e68d674db42f492fb1265b2fa65c70f31d706e38ef65b3bf3c8769.exe
4816	vbc.exe
4816	vbc.exe
4816	vbc.exe
4816	vbc.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe
4732	help.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

820 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

vbc.exehelp.exe

pid process

4816 vbc.exe
4816 vbc.exe
4816 vbc.exe
4732 help.exe
4732 help.exe

pid	process
820	Explorer.EXE

pid	process
4816	vbc.exe
4816	vbc.exe
4816	vbc.exe
4732	help.exe
4732	help.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

5814e53e67e68d674db42f492fb1265b2fa65c70f31d706e38ef65b3bf3c8769.exevbc.exehelp.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	2136	5814e53e67e68d674db42f492fb1265b2fa65c70f31d706e38ef65b3bf3c8769.exe
Token: SeDebugPrivilege	4816	vbc.exe
Token: SeDebugPrivilege	4732	help.exe
Token: SeShutdownPrivilege	820	Explorer.EXE
Token: SeCreatePagefilePrivilege	820	Explorer.EXE
Token: SeShutdownPrivilege	820	Explorer.EXE
Token: SeCreatePagefilePrivilege	820	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

5814e53e67e68d674db42f492fb1265b2fa65c70f31d706e38ef65b3bf3c8769.execsc.exeExplorer.EXEhelp.exe

description	pid	process	target process
PID 2136 wrote to memory of 1340	2136	5814e53e67e68d674db42f492fb1265b2fa65c70f31d706e38ef65b3bf3c8769.exe	csc.exe
PID 2136 wrote to memory of 1340	2136	5814e53e67e68d674db42f492fb1265b2fa65c70f31d706e38ef65b3bf3c8769.exe	csc.exe
PID 2136 wrote to memory of 1340	2136	5814e53e67e68d674db42f492fb1265b2fa65c70f31d706e38ef65b3bf3c8769.exe	csc.exe
PID 1340 wrote to memory of 4036	1340	csc.exe	cvtres.exe
PID 1340 wrote to memory of 4036	1340	csc.exe	cvtres.exe
PID 1340 wrote to memory of 4036	1340	csc.exe	cvtres.exe
PID 2136 wrote to memory of 4816	2136	5814e53e67e68d674db42f492fb1265b2fa65c70f31d706e38ef65b3bf3c8769.exe	vbc.exe
PID 2136 wrote to memory of 4816	2136	5814e53e67e68d674db42f492fb1265b2fa65c70f31d706e38ef65b3bf3c8769.exe	vbc.exe
PID 2136 wrote to memory of 4816	2136	5814e53e67e68d674db42f492fb1265b2fa65c70f31d706e38ef65b3bf3c8769.exe	vbc.exe
PID 2136 wrote to memory of 4816	2136	5814e53e67e68d674db42f492fb1265b2fa65c70f31d706e38ef65b3bf3c8769.exe	vbc.exe
PID 2136 wrote to memory of 4816	2136	5814e53e67e68d674db42f492fb1265b2fa65c70f31d706e38ef65b3bf3c8769.exe	vbc.exe
PID 2136 wrote to memory of 4816	2136	5814e53e67e68d674db42f492fb1265b2fa65c70f31d706e38ef65b3bf3c8769.exe	vbc.exe
PID 820 wrote to memory of 4732	820	Explorer.EXE	help.exe
PID 820 wrote to memory of 4732	820	Explorer.EXE	help.exe
PID 820 wrote to memory of 4732	820	Explorer.EXE	help.exe
PID 4732 wrote to memory of 4776	4732	help.exe	cmd.exe
PID 4732 wrote to memory of 4776	4732	help.exe	cmd.exe
PID 4732 wrote to memory of 4776	4732	help.exe	cmd.exe
PID 4732 wrote to memory of 4432	4732	help.exe	cmd.exe
PID 4732 wrote to memory of 4432	4732	help.exe	cmd.exe
PID 4732 wrote to memory of 4432	4732	help.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:820

C:\Users\Admin\AppData\Local\Temp\5814e53e67e68d674db42f492fb1265b2fa65c70f31d706e38ef65b3bf3c8769.exe
"C:\Users\Admin\AppData\Local\Temp\5814e53e67e68d674db42f492fb1265b2fa65c70f31d706e38ef65b3bf3c8769.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2136

C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\rm3mzuw0\rm3mzuw0.cmdline"
3⤵
- Suspicious use of WriteProcessMemory
PID:1340

C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESD297.tmp" "c:\Users\Admin\AppData\Local\Temp\rm3mzuw0\CSCB443FDB3EC5B4ED2B2DB391E4B32ABF.TMP"
4⤵
PID:4036

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4816

C:\Windows\SysWOW64\help.exe
"C:\Windows\SysWOW64\help.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:4732

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
3⤵
PID:4776

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:4432

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

T1064

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Scripting

T1064

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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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\Local\Temp\RESD297.tmp
Filesize
1KB

MD5
600536d04ed52849b2ea533713e25241

SHA1
00fd8dd61c66bfae141c24adc194153c23b3e6c7

SHA256
b09835ec059430c60b4c24f76238dcc75e587f4d29d00c2340742fee20275d4c

SHA512
56126940da1b0c9f6f6c7c7ab9944449b55f4284b237574cf937e8dccf8d0cd02832380cf7f5118e2f04509cb7d3ba7b1773eea26bae73794c91ac26acf9baab

Download Submit
C:\Users\Admin\AppData\Local\Temp\rm3mzuw0\rm3mzuw0.dll
Filesize
6KB

MD5
fc29fb84db380065a9ab4d3dac4f860d

SHA1
3df5e594747c3ad9ac374e47cba315ce02ddde08

SHA256
1898e545b233862ce5b5018b527f995b274a1e89bb37bc76d840dea21e6ef98e

SHA512
ca10af89c4dd03956638f56743ddb85ef436d85abe6bfe3aebca0fa67cb7e9bb7d5d4515c2c86cf5a041dbd1803cfd203998e60f2402140a19aad41eca1a2e12

Download Submit
C:\Users\Admin\AppData\Local\Temp\rm3mzuw0\rm3mzuw0.pdb
Filesize
15KB

MD5
b2b69764aff691a1df53d2bc363e00f0

SHA1
3880ae64a8a59078162659c2d8208e7599a1c65e

SHA256
d82ef6ae67e56189415e2b8d8bb805a728a83759a1e71206f77b865aaebd1792

SHA512
c5f03f8e7f8376c878d8962e370ccfa33dd1295f98eeba4c2836f4512e1d19c5ea8e8c7dcf0303cecd11c62c0418ede127d931f26e67e20b363f595d49870382

Download Submit
C:\Users\Admin\AppData\Roaming\5Q6010RE\5Q6logim.jpeg
Filesize
80KB

MD5
582bb1021f6065ed6b87f012b578dc20

SHA1
03401dfb0b3a9b07213db99f0fdec790d8c79d38

SHA256
79fe2f97046d43593877cb106145395323b76f76cc75579a855e1c04401a9870

SHA512
0d5a2b33253b338d9ec3db255a5ae06fd613a4b1078de197d51c57a3baeec9648ccced5fce4b0e50f6b64aa2d01520b24787fbd53df0f9326af31f0e43e34bcc

Download Submit
C:\Users\Admin\AppData\Roaming\5Q6010RE\5Q6logrg.ini
Filesize
38B

MD5
4aadf49fed30e4c9b3fe4a3dd6445ebe

SHA1
1e332822167c6f351b99615eada2c30a538ff037

SHA256
75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56

SHA512
eb5b3908d5e7b43ba02165e092f05578f45f15a148b4c3769036aa542c23a0f7cd2bc2770cf4119a7e437de3f681d9e398511f69f66824c516d9b451bb95f945

Download Submit
C:\Users\Admin\AppData\Roaming\5Q6010RE\5Q6logri.ini
Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\5Q6010RE\5Q6logrv.ini
Filesize
872B

MD5
bbc41c78bae6c71e63cb544a6a284d94

SHA1
33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

SHA256
ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

SHA512
0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\rm3mzuw0\CSCB443FDB3EC5B4ED2B2DB391E4B32ABF.TMP
Filesize
1KB

MD5
b8ff0997ae57f54de0c45f056b490af6

SHA1
45abe494e10b1026c396de68604e653c8626bd2e

SHA256
946672c3e2bd32e970c3685a2ff08dcccae9dde560e7f78a93add86f3e67545e

SHA512
4f91e97ce7cdefed6de38201598dd264904714753c6d7f418c3c4f7b45946862c7e95930d1390aa3259102b30a5b160314888b4cde921d3ed05e98f6ea863914

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\rm3mzuw0\rm3mzuw0.0.cs
Filesize
2KB

MD5
421361a3d045f5360f16aa4c0c7c03c3

SHA1
cb476e91cd6e5e0c19a3523579ebbcefc15b306f

SHA256
282195a76f75c630af8034d6059dc421f05e2aa6d27b25ce2bb0ea4a7d9bd08b

SHA512
232179493833a5251412533d571e2919792e895341c7bed9f93802b9563e441ee1b657b676db432960d17ae397baad09134da3b1ddb57ee346faca176b563164

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\rm3mzuw0\rm3mzuw0.cmdline
Filesize
248B

MD5
e7ab4cf5795a47507a68accdd7fb0802

SHA1
c701c75e86c5793d4a8020dfe0f7ac0de1c984e2

SHA256
bb022ea79e5bda06ad39de9d6df2888b03e647e36c128727ecd3ec7934619f02

SHA512
1a71d2756700677a0f640f60b11e19cd3df7a5775732457929e955961341808cb7f18da1d762aeecb61accdbe20826b7f4ef51ab9215ac0143e795abdf72bd2f

Download Submit
memory/820-146-0x0000000008010000-0x0000000008176000-memory.dmp

Filesize
1.4MB

Download
memory/820-154-0x0000000008270000-0x0000000008392000-memory.dmp

Filesize
1.1MB

Download
memory/820-156-0x0000000008270000-0x0000000008392000-memory.dmp

Filesize
1.1MB

Download
memory/1340-131-0x0000000000000000-mapping.dmp

Download
memory/2136-140-0x0000000005630000-0x00000000056CC000-memory.dmp

Filesize
624KB

Download
memory/2136-139-0x0000000004EC0000-0x0000000004F52000-memory.dmp

Filesize
584KB

Download
memory/2136-130-0x0000000000630000-0x000000000066A000-memory.dmp

Filesize
232KB

Download
memory/4036-134-0x0000000000000000-mapping.dmp

Download
memory/4432-157-0x0000000000000000-mapping.dmp

Download
memory/4732-147-0x0000000000000000-mapping.dmp

Download
memory/4732-152-0x0000000000390000-0x00000000003BA000-memory.dmp

Filesize
168KB

Download
memory/4732-153-0x0000000000C90000-0x0000000000D23000-memory.dmp

Filesize
588KB

Download
memory/4732-151-0x0000000000440000-0x0000000000447000-memory.dmp

Filesize
28KB

Download
memory/4732-155-0x0000000000390000-0x00000000003BA000-memory.dmp

Filesize
168KB

Download
memory/4732-150-0x0000000000E30000-0x000000000117A000-memory.dmp

Filesize
3.3MB

Download
memory/4776-149-0x0000000000000000-mapping.dmp

Download
memory/4816-148-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4816-145-0x00000000009F0000-0x0000000000A04000-memory.dmp

Filesize
80KB

Download
memory/4816-144-0x0000000000A50000-0x0000000000D9A000-memory.dmp

Filesize
3.3MB

Download
memory/4816-142-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4816-141-0x0000000000000000-mapping.dmp

Download