formbook | 0348b7181e838a339237fade5062e7670e6fdf2ccca4814ae7f97acec60cb8b2

General

Target

PI and payment confirmed pdf.exe
Size

1.1MB
MD5

4a3ea5a12db0696a98ca86670ff89c43
SHA1

1655be110ec9158b45b611542acd47ba64610047
SHA256

0348b7181e838a339237fade5062e7670e6fdf2ccca4814ae7f97acec60cb8b2
SHA512

365e9ee38c50dc1a52d4e6d0d465836f2135510f827857feb30c67c78edea1a3c8e0ad22a7f2dd7389ac46f017388d226b57765daf999d8f44dfd19602d27b3e
SSDEEP

24576:BnoM7x5Y77KKc2ON3txt+PAidyEyr1VW9:BtH8

Score

10^/10

formbook modiloader n7ak persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

n7ak

Decoy

wise-transfer.info

jam-nins.com

thebestsocialcrm.com

majomeow222.com

ancientshadowguilt.space

gentleman-china.com

parquemermoz.store

taxuw.com

sharqiyapaints.com

libraryofkath.com

1949wan.com

synqr.net

bitchessgirls.com

btonu.cfd

coding-bootcamps-16314.com

leadership22-tdh.site

maximsboutique.com

irishsummertruffles.com

sdnaqianchuan.com

uyews.xyz

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader

Formbook payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4956-9-0x00000000051D0000-0x00000000061D0000-memory.dmp	formbook
behavioral2/memory/4956-13-0x00000000051D0000-0x00000000061D0000-memory.dmp	formbook
behavioral2/memory/4424-19-0x0000000000F80000-0x0000000000FAF000-memory.dmp	formbook
behavioral2/memory/4424-21-0x0000000000F80000-0x0000000000FAF000-memory.dmp	formbook

ModiLoader Second Stage 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4260-2-0x0000000002850000-0x0000000003850000-memory.dmp	modiloader_stage2

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
T1552.001

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

PI and payment confirmed pdf.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-568313063-1441237985-1542345083-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Yhtklqjl = "C:\\Users\\Public\\Yhtklqjl.url"	PI and payment confirmed pdf.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

colorcpl.exehelp.exe

description	pid	process	target process
PID 4956 set thread context of 3304	4956	colorcpl.exe	Explorer.EXE
PID 4424 set thread context of 3304	4424	help.exe	Explorer.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-1-5-21-568313063-1441237985-1542345083-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	help.exe

Script User-Agent 2 IoCs

Uses user-agent string associated with script host/environment.

Processes:

description	flow	ioc
HTTP User-Agent header	14	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	16	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 52 IoCs

Processes:

PI and payment confirmed pdf.execolorcpl.exehelp.exe

pid	process
4260	PI and payment confirmed pdf.exe
4260	PI and payment confirmed pdf.exe
4956	colorcpl.exe
4956	colorcpl.exe
4956	colorcpl.exe
4956	colorcpl.exe
4424	help.exe
4424	help.exe
4424	help.exe
4424	help.exe
4424	help.exe
4424	help.exe
4424	help.exe
4424	help.exe
4424	help.exe
4424	help.exe
4424	help.exe
4424	help.exe
4424	help.exe
4424	help.exe
4424	help.exe
4424	help.exe
4424	help.exe
4424	help.exe
4424	help.exe
4424	help.exe
4424	help.exe
4424	help.exe
4424	help.exe
4424	help.exe
4424	help.exe
4424	help.exe
4424	help.exe
4424	help.exe
4424	help.exe
4424	help.exe
4424	help.exe
4424	help.exe
4424	help.exe
4424	help.exe
4424	help.exe
4424	help.exe
4424	help.exe
4424	help.exe
4424	help.exe
4424	help.exe
4424	help.exe
4424	help.exe
4424	help.exe
4424	help.exe
4424	help.exe
4424	help.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3304 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

colorcpl.exehelp.exe

pid process

4956 colorcpl.exe
4956 colorcpl.exe
4956 colorcpl.exe
4424 help.exe
4424 help.exe
4424 help.exe
4424 help.exe

pid	process
3304	Explorer.EXE

pid	process
4956	colorcpl.exe
4956	colorcpl.exe
4956	colorcpl.exe
4424	help.exe
4424	help.exe
4424	help.exe
4424	help.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

Processes:

colorcpl.exeExplorer.EXEhelp.exe

description	pid	process
Token: SeDebugPrivilege	4956	colorcpl.exe
Token: SeShutdownPrivilege	3304	Explorer.EXE
Token: SeCreatePagefilePrivilege	3304	Explorer.EXE
Token: SeShutdownPrivilege	3304	Explorer.EXE
Token: SeCreatePagefilePrivilege	3304	Explorer.EXE
Token: SeDebugPrivilege	4424	help.exe
Token: SeShutdownPrivilege	3304	Explorer.EXE
Token: SeCreatePagefilePrivilege	3304	Explorer.EXE
Token: SeShutdownPrivilege	3304	Explorer.EXE
Token: SeCreatePagefilePrivilege	3304	Explorer.EXE

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

PI and payment confirmed pdf.exe

description	pid	process
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe
PID 4260 wrote to memory of 0	4260	PI and payment confirmed pdf.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:3304

C:\Users\Admin\AppData\Local\Temp\PI and payment confirmed pdf.exe
"C:\Users\Admin\AppData\Local\Temp\PI and payment confirmed pdf.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4260

C:\Windows\SysWOW64\colorcpl.exe
C:\Windows\System32\colorcpl.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4956

C:\Windows\SysWOW64\help.exe
"C:\Windows\SysWOW64\help.exe"
2⤵
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4424

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:1588

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:4040

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\DB1
Filesize
46KB

MD5
02d2c46697e3714e49f46b680b9a6b83

SHA1
84f98b56d49f01e9b6b76a4e21accf64fd319140

SHA256
522cad95d3fa6ebb3274709b8d09bbb1ca37389d0a924cd29e934a75aa04c6c9

SHA512
60348a145bfc71b1e07cb35fa79ab5ff472a3d0a557741ea2d39b3772bc395b86e261bd616f65307ae0d997294e49b5548d32f11e86ef3e2704959ca63da8aac

Download Submit
C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologim.jpeg
Filesize
80KB

MD5
85b56e0c9e06b5e7c6d5f84e1a47a13e

SHA1
d106ca3756e1940ae1822277fa748ddda5b4e9b8

SHA256
360c8dbc077531ca291c9a25669e4fdb16d945bebc13b3798afc3792a59e501c

SHA512
3c710eb8e2c586ca23d381bdee0f130d33df99419de47667cd20343e20af974be63a3fb7afdad6c64d70a932e8cbf8cfedea7d8a44a744971b9133db318074ab

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

MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
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/3304-15-0x0000000006EF0000-0x0000000006FDD000-memory.dmp

Filesize
948KB

Download
memory/3304-41-0x0000000007F80000-0x0000000008071000-memory.dmp

Filesize
964KB

Download
memory/3304-39-0x0000000007F80000-0x0000000008071000-memory.dmp

Filesize
964KB

Download
memory/3304-38-0x0000000007F80000-0x0000000008071000-memory.dmp

Filesize
964KB

Download
memory/4260-5-0x0000000000730000-0x0000000000731000-memory.dmp

Filesize
4KB

Download
memory/4260-4-0x0000000000400000-0x000000000051C000-memory.dmp

Filesize
1.1MB

Download
memory/4260-2-0x0000000002850000-0x0000000003850000-memory.dmp

Filesize
16.0MB

Download
memory/4260-1-0x0000000002850000-0x0000000003850000-memory.dmp

Filesize
16.0MB

Download
memory/4260-0-0x0000000000730000-0x0000000000731000-memory.dmp

Filesize
4KB

Download
memory/4424-19-0x0000000000F80000-0x0000000000FAF000-memory.dmp

Filesize
188KB

Download
memory/4424-37-0x00000000016B0000-0x0000000001743000-memory.dmp

Filesize
588KB

Download
memory/4424-21-0x0000000000F80000-0x0000000000FAF000-memory.dmp

Filesize
188KB

Download
memory/4424-20-0x00000000019A0000-0x0000000001CEA000-memory.dmp

Filesize
3.3MB

Download
memory/4424-17-0x00000000000C0000-0x00000000000C7000-memory.dmp

Filesize
28KB

Download
memory/4424-16-0x00000000000C0000-0x00000000000C7000-memory.dmp

Filesize
28KB

Download
memory/4956-14-0x0000000011350000-0x0000000011364000-memory.dmp

Filesize
80KB

Download
memory/4956-13-0x00000000051D0000-0x00000000061D0000-memory.dmp

Filesize
16.0MB

Download
memory/4956-11-0x0000000011440000-0x000000001178A000-memory.dmp

Filesize
3.3MB

Download
memory/4956-9-0x00000000051D0000-0x00000000061D0000-memory.dmp

Filesize
16.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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