formbook | da5e0937154966ad0f773e1c91e0116099c51fe15a745a7f2ed3857cd1aa9101

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
13/08/2024, 13:51

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General

Target

eb3a413a0c429934a855be955e984dc0N.exe
Size

1024KB
MD5

eb3a413a0c429934a855be955e984dc0
SHA1

f3e72d00c9cdfeb200eeb1216fa05000e809a462
SHA256

da5e0937154966ad0f773e1c91e0116099c51fe15a745a7f2ed3857cd1aa9101
SHA512

80b4e899656e8dbc961034a5f01cc0a78e01534b699b6768a81132b53302514ad07e41e76d1faf43cfc5086e685f1cc5e60fa6f59a7ae4e46415db31f32ba14c
SSDEEP

24576:bVexEpFDcLc1N6/1hZ+1YhXODdwq4JEWCbtyLdw6cEcK:btN6N2jELdw6

Score

10^/10

formbook mr8 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

3.9

Campaign

mr8

Decoy

art-burger34.com

childcareos.com

bernardo.gallery

sadocdecoracionsl.com

xn--jh1as32a9kco1c.com

foodidelivery.com

chicagolandhomeswitharacely.com

eastbayprep.com

fohcoflooring.com

bororedsfootballacademy.com

xrip.ltd

free-boyband-tickets.win

hongxinmuju.com

kkkk030.com

camilaigor.com

graveber.com

botuoi88.com

aerostarmc.com

vapewerx.com

e-daftar.com

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/1864-6-0x0000000000400000-0x0000000000504000-memory.dmp	formbook

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\CatRoot2\dberr.txt	eb3a413a0c429934a855be955e984dc0N.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eb3a413a0c429934a855be955e984dc0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 25 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{1969EAE1-597B-11EF-9E0F-4E18907FF899} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "429718943"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1864	eb3a413a0c429934a855be955e984dc0N.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2220	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2220	iexplore.exe
2220	iexplore.exe
2600	IEXPLORE.EXE
2600	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 2600	2220	iexplore.exe	31
PID 2220 wrote to memory of 2600	2220	iexplore.exe	31
PID 2220 wrote to memory of 2600	2220	iexplore.exe	31
PID 2220 wrote to memory of 2600	2220	iexplore.exe	31

C:\Users\Admin\AppData\Local\Temp\eb3a413a0c429934a855be955e984dc0N.exe
"C:\Users\Admin\AppData\Local\Temp\eb3a413a0c429934a855be955e984dc0N.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:1864

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2220
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2220 CREDAT:275457 /prefetch:2
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:2600

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
7b338957a36bcb7624e4806df3426d72

SHA1
5c39cda9a5ba1656f851ceefe91c902c9b8fad86

SHA256
4c2e681b01e61032e68b5a262669d08c4d66bb6e720420e6267efaadcd1323f6

SHA512
2706e79f76213144daa5f5e35100294ede605b996913de20f59c4cacc53d09f826d3dca88be363313b03f8ed33e5212b2754725ebbe968f4c781455e5656e741

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
5449557e1c63b52f4b2ca8e0718a3c3d

SHA1
7a994aa839f333c9930973d64b33e09472eb58aa

SHA256
9af1da9e21eeea2a40d2303bfdb9c65637db32c1ff88fd149493344b648ce56a

SHA512
e83fa36a5c23c0ca64b8cb23b8054c48d54a144c2ee06c4c125ed7351219dd1098a6cfc0b455e16206c8be870b366a0a1293ad6a99c39fb4e32d56e3f3e20d15

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
28314e37a7d56f483f706492c5a03b16

SHA1
223567544f83bacf124c8f6043a6dc03d5ddfcbd

SHA256
32143dbedae9ac871b4c7b438ed98450b97d52dbc9fa43166c4db838a18bca3a

SHA512
d4ec1bc254cb9cb9bc00febcdb3cf3604cbc1326c8a42e4a8a97f1f7a69b40450b78a0717039a4282d93ea9b62a1a472cb34df5a33d74ac276e7f71f95eb0ae5

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
114069b177eb3cfbd305559e5483a0b5

SHA1
20baed5cb180f4298227014be824a37ba8eee6a9

SHA256
b54d19713853a112bd5eb213e59d005e3d4ff8eda29101dec74c8a9e7afbf236

SHA512
538ef642e6cf07138c8ed5bad626b9bafb28a94eea020c78e114e122f8d91eaf93940259f5752e4decb60e4b37227711c9cedb0f57ffb2869460051c8bf2d8dc

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
75b2fc42844c1661b25b361050d157b5

SHA1
4eda49f483a67cf9695dee0797b521887443f57e

SHA256
04e2b89cc154b834fda47404788a48747069cd4d98aa1d5687a1973838f90ab6

SHA512
93180f460bce11b635d55e100746404ffdfe6b9052134c53433f3fb73da5701eceec29a878711e4025d89f93d9a3cbe18970e5c09cdacc3fe290fe455086e50a

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
cf08df7f3bc0b569760285cd7464dbe8

SHA1
c9994a704221b0cceb806d649f287f1ee0970258

SHA256
63ae35fa6f1f619975102ac5115e9ff3fc064cd6885d1a8fe97d947209b7a8fe

SHA512
4535981b2915bcf9b80edb71e7dea7b7d6d241695b516f63e0e47680475ecfc9e63ff96ee3c54a6f6c5e2deedd16659996048fcc6b891a62f2b09dddc377e451

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
d8aa9a0a87359a71dad813e6b7bb98a5

SHA1
f584989ec0195f69537d2dbcf3764be2c4ae01c1

SHA256
41288c4ade4fe821d274ff398627e4209027e2ae1e054d3a932cb0efef649873

SHA512
0c38a093bf2fa2c41069e6e09f89996cc8950761ce524b0fb09791406966dab4531724fa0c0514789cd2863a827cd554f3cc38229ceb0b308c9ea24e107462a0

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
2e694913a97e538ede841c7c6e162268

SHA1
14c77f1b383d5e011c7a58bc40e8405a69ac2e57

SHA256
aaddf5d3a55581ae1aa6c4128d7ee344069133b63222940a0ef1348c910bbdd1

SHA512
94e354cea568cca2f9d9b5b6b269f167a0ce48c4ad5376e7cfec74d8e8aeece18d4c129bb18804d0bfc7e0ff95e9b78fb40653628a3692d84ee88fd599c80b7d

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
6ca1ac295129501e46eba5278cb5870d

SHA1
4e60a10f4ba94ba35421f21ed35ef4cf7e4e7cbe

SHA256
0158d1af63840878b5fcc9f93150b436aaa3af86679da60b4806712d90211988

SHA512
9b4ffb1762a2456ee2d5bdaf3d52b0065cd666b0db6e430afccd94c9d0e0f9368bda8b3f0fc98ee1dbe1359b2aa0f7e3065f186e8f71dcea9f8679fa39ffec1e

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabD56A.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarD629.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/1864-0-0x0000000000400000-0x0000000000504000-memory.dmp

Filesize
1.0MB

Download
memory/1864-10-0x0000000002120000-0x0000000002152000-memory.dmp

Filesize
200KB

Download
memory/1864-7-0x0000000005530000-0x0000000005833000-memory.dmp

Filesize
3.0MB

Download
memory/1864-6-0x0000000000400000-0x0000000000504000-memory.dmp

Filesize
1.0MB

Download
memory/1864-5-0x0000000002120000-0x0000000002152000-memory.dmp

Filesize
200KB

Download
memory/1864-4-0x00000000006E0000-0x00000000006E2000-memory.dmp

Filesize
8KB

Download