formbook | b1f9b3ef3e6192490d6ff9f23f8b360edf2c5b7722a2ba843d1ece24c2f990ce

Analysis

max time kernel
148s
max time network
146s
platform
windows7_x64
resource
win7v20210410
submitted
20-04-2021 18:42

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General

Target

Project 88399287990.exe
Size

622KB
MD5

3837485b707ee00ae594d8b339c56ece
SHA1

df8dab1ca8581cdf2c8de899d0d4a8df8ca8d24c
SHA256

71ef3a1c1b5deecad87d419dff14667503ffbfb7f5a16f5b53eda57ae33bde7b
SHA512

6a243b10b4e556d4cf6c95f5f7d534f0ec8bd32f6cb5c153abfbdf2dcaa04c6adcb122a42cccb882cee90c98b6d50fc04bb9355f0de7a82a27e615ae10c39ba6

Score

10^/10

formbook rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

http://www.expensiveindia.com/ksb/

Decoy

rbscotl.net

mimascota10.com

ncylis.com

mariemdonacosmetics.com

elitecleaningnow.com

stockvisioner.com

whatsmodish.com

paghaze.com

weargoodsport.com

alesspace.com

rajputboarding.com

ctezna.site

athetheist.com

neurologistaandreialamberti.com

pindaz.com

ericsklavos.com

icare4me.com

xn--pypl-qoac.com

52swith.com

chetansenterprises.com

Signatures

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

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/836-73-0x000000000041EB50-mapping.dmp	formbook
behavioral1/memory/836-72-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/340-139-0x00000000000B0000-0x00000000000DE000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1172 cmd.exe

pid	process
1172	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Project 88399287990.exeProject 88399287990.exewscript.exe

description	pid	process	target process
PID 1756 set thread context of 836	1756	Project 88399287990.exe	Project 88399287990.exe
PID 836 set thread context of 1228	836	Project 88399287990.exe	Explorer.EXE
PID 340 set thread context of 1228	340	wscript.exe	Explorer.EXE

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

572 schtasks.exe

pid	process
572	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

powershell.exepowershell.exeProject 88399287990.exewscript.exe

pid	process
412	powershell.exe
1140	powershell.exe
836	Project 88399287990.exe
836	Project 88399287990.exe
412	powershell.exe
1140	powershell.exe
340	wscript.exe
340	wscript.exe
340	wscript.exe
340	wscript.exe
340	wscript.exe
340	wscript.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Project 88399287990.exewscript.exe

pid process

836 Project 88399287990.exe
836 Project 88399287990.exe
836 Project 88399287990.exe
340 wscript.exe
340 wscript.exe

pid	process
836	Project 88399287990.exe
836	Project 88399287990.exe
836	Project 88399287990.exe
340	wscript.exe
340	wscript.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

powershell.exeProject 88399287990.exepowershell.exeProject 88399287990.exewscript.exe

description	pid	process
Token: SeDebugPrivilege	412	powershell.exe
Token: SeDebugPrivilege	1756	Project 88399287990.exe
Token: SeDebugPrivilege	1140	powershell.exe
Token: SeDebugPrivilege	836	Project 88399287990.exe
Token: SeDebugPrivilege	340	wscript.exe

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

Project 88399287990.exeExplorer.EXEwscript.exe

description	pid	process	target process
PID 1756 wrote to memory of 412	1756	Project 88399287990.exe	powershell.exe
PID 1756 wrote to memory of 412	1756	Project 88399287990.exe	powershell.exe
PID 1756 wrote to memory of 412	1756	Project 88399287990.exe	powershell.exe
PID 1756 wrote to memory of 412	1756	Project 88399287990.exe	powershell.exe
PID 1756 wrote to memory of 572	1756	Project 88399287990.exe	schtasks.exe
PID 1756 wrote to memory of 572	1756	Project 88399287990.exe	schtasks.exe
PID 1756 wrote to memory of 572	1756	Project 88399287990.exe	schtasks.exe
PID 1756 wrote to memory of 572	1756	Project 88399287990.exe	schtasks.exe
PID 1756 wrote to memory of 1140	1756	Project 88399287990.exe	powershell.exe
PID 1756 wrote to memory of 1140	1756	Project 88399287990.exe	powershell.exe
PID 1756 wrote to memory of 1140	1756	Project 88399287990.exe	powershell.exe
PID 1756 wrote to memory of 1140	1756	Project 88399287990.exe	powershell.exe
PID 1756 wrote to memory of 836	1756	Project 88399287990.exe	Project 88399287990.exe
PID 1756 wrote to memory of 836	1756	Project 88399287990.exe	Project 88399287990.exe
PID 1756 wrote to memory of 836	1756	Project 88399287990.exe	Project 88399287990.exe
PID 1756 wrote to memory of 836	1756	Project 88399287990.exe	Project 88399287990.exe
PID 1756 wrote to memory of 836	1756	Project 88399287990.exe	Project 88399287990.exe
PID 1756 wrote to memory of 836	1756	Project 88399287990.exe	Project 88399287990.exe
PID 1756 wrote to memory of 836	1756	Project 88399287990.exe	Project 88399287990.exe
PID 1228 wrote to memory of 340	1228	Explorer.EXE	wscript.exe
PID 1228 wrote to memory of 340	1228	Explorer.EXE	wscript.exe
PID 1228 wrote to memory of 340	1228	Explorer.EXE	wscript.exe
PID 1228 wrote to memory of 340	1228	Explorer.EXE	wscript.exe
PID 340 wrote to memory of 1172	340	wscript.exe	cmd.exe
PID 340 wrote to memory of 1172	340	wscript.exe	cmd.exe
PID 340 wrote to memory of 1172	340	wscript.exe	cmd.exe
PID 340 wrote to memory of 1172	340	wscript.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1228

C:\Users\Admin\AppData\Local\Temp\Project 88399287990.exe
"C:\Users\Admin\AppData\Local\Temp\Project 88399287990.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1756

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Project 88399287990.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:412

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gIujDCSIo" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCB6A.tmp"
3⤵
- Creates scheduled task(s)
PID:572

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\gIujDCSIo.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1140

C:\Users\Admin\AppData\Local\Temp\Project 88399287990.exe
"C:\Users\Admin\AppData\Local\Temp\Project 88399287990.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:836

C:\Windows\SysWOW64\wscript.exe
"C:\Windows\SysWOW64\wscript.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:340

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Project 88399287990.exe"
3⤵
- Deletes itself
PID:1172

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_1602f747-c1a3-4345-8dec-4dcb8b1f72e5
MD5
02ff38ac870de39782aeee04d7b48231

SHA1
0390d39fa216c9b0ecdb38238304e518fb2b5095

SHA256
fbd66a9baf753db31b8de23f2d51b67f8676687503653103080c45b16f1dc876

SHA512
24a1ff76ee42ff7a5ea42843928c4df07b06178f7781cd840e1e086e88735d81506eb67259ff1e6ce5aaa7c5baea03886da265eb7e025ff4dc4c4b5f8cd3e341

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_2d686436-375c-4ee1-bd4a-9e44ccd248ba
MD5
75a8da7754349b38d64c87c938545b1b

SHA1
5c28c257d51f1c1587e29164cc03ea880c21b417

SHA256
bf08151c174b5d00c9dbc7907b2c6a01b4be76bfa3afce1e8bd98a04ad833c96

SHA512
798797bc74c56c874e9a5fdcb0157c04e37a1b3cce285ef064b01bceef8cec45f11a5198918c6c647220b62883606b5e12e3cca3ea369f3a66e69dea6e15f643

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_4375eeb7-a65d-43f1-a616-02c5ad6c5370
MD5
be4d72095faf84233ac17b94744f7084

SHA1
cc78ce5b9c57573bd214a8f423ee622b00ebb1ec

SHA256
b0d72c5c22e57913476ac8fc686a4593f137c6667d5094522c0a0685dabd7adc

SHA512
43856e9b1032b8690ceea810c931bed3655e9190414bb220fb6afc136f31b8335e07604dffb28405d4006f266a54cff424c527d29924b1b732c9647a3252b097

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_5544e99a-50b7-4358-ab36-c7d74f1059de
MD5
7f79b990cb5ed648f9e583fe35527aa7

SHA1
71b177b48c8bd745ef02c2affad79ca222da7c33

SHA256
080ec69d3f2abac629a0bdc314f150ad42a9a1b0a031b1d5c7b5b80051c48683

SHA512
20926edf7f0b990da4bd8d7ba91bd8bf7b952b75080f687afa7197a91777604688303d38b4a0a7240b558c23f2e0cd927d3590765109f8be0551f5eb050eafda

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_6585b29b-914d-4062-ad8b-af6f447fca8c
MD5
354b8209f647a42e2ce36d8cf326cc92

SHA1
98c3117f797df69935f8b09fc9e95accfe3d8346

SHA256
feae405d288fdd38438f9d9b54f791f3ce3805f1bb88780da5aca402ad372239

SHA512
420be869b58e9a7a2c31f2550ac269df832935692a6431d455a10d9b426781e79d91e30ace2c465633b8a7ff2be1bf49734d8b99a390090dc4b36411d4391ff0

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_6fe5bd95-2cea-4aea-9c8c-dd67bac4295b
MD5
df44874327d79bd75e4264cb8dc01811

SHA1
1396b06debed65ea93c24998d244edebd3c0209d

SHA256
55de642c5c9e436ec01c57004dae797022442c3245daf7162d19a5585f221181

SHA512
95dc9298b8db059bbe746f67e6a7f8515781c7053cc60c01532e47623a996be7e1bd23d1bd8f5f2045adff27454f44930d503c15b695690088841cedbd2a06c3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_bb390c90-9de4-4f06-8335-0ddc0f1573ae
MD5
a70ee38af4bb2b5ed3eeb7cbd1a12fa3

SHA1
81dbaeae4b0f9e1adc0a1e3d6d76a12396498ba9

SHA256
dd2f41f92f19c3fe031bdf5da68ab06768e26762d0077b290cd0094df1d5d58d

SHA512
8c69a5300c7545c5c4b25a0594e6813b6b7a85b5f3ae7fc5464b4074fe6f50b2f49d31cacf19bc20a02bb8e237656f1b9b2a3f6a3953e3a8478ca2adc154e0e3

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_bc2fe8ee-69c0-48ce-8821-1fab80ab4eeb
MD5
597009ea0430a463753e0f5b1d1a249e

SHA1
4e38b8bb65ecbd5c9f0d3d8c47f7caba33de6c62

SHA256
3fd2a8217a845c43dbc0dc206c28be81d2687aa9ba62019d905aef10cfaec45d

SHA512
5d722fa908e64575b2497c60d142e182011a10c6ed33813b3b4796b3147ece1bc96938518b4c8911a1bac3b7560528ebe3e8e754c11015516d335df5d7c6871d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_f00fc976-6a65-4e8f-a1fd-dfb14f117027
MD5
d89968acfbd0cd60b51df04860d99896

SHA1
b3c29916ccb81ce98f95bbf3aa8a73de16298b29

SHA256
1020cc7c929cd5a4e68ccb40353ca76f427df363f0d95e456eb79db039bdb2b9

SHA512
b0e886cce598371b59131fed1535e220c798691bad93ef9474ba440066f5a6bd77a60966604b7a5ff6298b2e200c9dd0c8f9f04aff208b2af423480ead4e8842

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_fa12b0a1-3d6a-4bab-a74a-253a75ca0598
MD5
5e3c7184a75d42dda1a83606a45001d8

SHA1
94ca15637721d88f30eb4b6220b805c5be0360ed

SHA256
8278033a65d1ff48be4d86e11f87930d187692f59f8bf2f0a9d170de285afb59

SHA512
fae99b6e9b106e0f1c30aa4082b25ae1ad643455c1295c2c16ad534e3e611b9b08492353ffe1af1cfdddc9b2b7c330747a64012c45e62b8f4a4982dcc214e05b

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_fd9bf4da-ec38-4847-85c5-d50f35796d4c
MD5
a725bb9fafcf91f3c6b7861a2bde6db2

SHA1
8bb5b83f3cc37ff1e5ea4f02acae38e72364c114

SHA256
51651f27f54c7261887037aa1de4eff0a26c6807906dfc34a15cd5a0b58a8431

SHA512
1c4b21dd5660bfec8347257bb3da64681b0a97c427790d9ab3484f687dac032bcff0e07876635953697b00cf83e7d37f97c44e0219627fd0533f60ed3024b97e

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_fe80cd26-0cf7-4e38-9884-6dab53b04ca9
MD5
b6d38f250ccc9003dd70efd3b778117f

SHA1
d5a17c02cac698d4f0a4a9b7d71db2aa19e3f18a

SHA256
4de9d7b5ccab7b67ca8efc83084c7ee6e5e872b7216ed4683bc5da950bf41265

SHA512
67d8195836b7f280d3f9219fd0f58276342e55d5dfdd8a4c54355030d96685d73f1b2b6da0eb39322ec7c3a1d1c5ef06b52d22646cea30a96f822de1800d31e9

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex
MD5
2d0a98ae7eacf56a5376bf2e0a7d313a

SHA1
90f3077302e83be51650f1cc07eccf81534e7637

SHA256
05f3ead78bd87bec0b9b7ad12818976fe0cebb655edc84e207ea01aa7a69bc3d

SHA512
54cf0c2d3420e7f53442d6ff38e219d17e826c57c34074cfe1da02a40aa692cadeff6ae7d2b1276308dc757c4d0ab341c81e9c429543a231523c4a3123d15d19

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex
MD5
372a09c5033966599137ab429c42fca3

SHA1
ed6e7667f9f52313cfb921d5473354e59a9bc08d

SHA256
134cdf046fa833dc1966d0f177853d6f84abe3432b53062ec7a87c3bfcc9ed54

SHA512
07517e0ccd327d088ad1ae36af9d7e8cb276f49a0fbd5c68f2fd21fa6d4703ee6d03cba95b2d34c60e72a5b96fd7cbce84e740df641790e8a3ad8b287f0b2ef1

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C:\Users\Admin\AppData\Local\Temp\tmpCB6A.tmp
MD5
3341a584503f2810d8a76352d267c102

SHA1
df82d11ad393b89afa3d7d403a45562268c2f233

SHA256
fc2c0d8282a79c16bfb5ec27ef5fbdfd04ad3a40ffb8485dd5d9154a591a72f1

SHA512
89b462ed1e3580e7720f36ae81ebddd49757ecbe8f752ef792a33d0f09085150ac62303ab68aabba64b2b181682824c1be3b37368eb5ef4fdf33cec503531d1c

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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
MD5
260d7b399ff6e4b359772b3a4771f2fc

SHA1
4af85edcabca4a2c5f9e8c93a61dc622727f6e89

SHA256
c1479dbb5054bffaad1dfdc59faa6aa5614c940f83b4d33e704b52436583d88c

SHA512
c9965f14a871342f7df43c859206e4541e993ee99459d7e31a7a39266f40381fa545e39ecccba625393ec1994a409bbb16f90b4f6e360f77d9b9380885035e8d

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memory/340-137-0x0000000000000000-mapping.dmp

Download
memory/340-138-0x0000000000F10000-0x0000000000F36000-memory.dmp

Filesize
152KB

Download
memory/340-139-0x00000000000B0000-0x00000000000DE000-memory.dmp

Filesize
184KB

Download
memory/340-141-0x0000000000A10000-0x0000000000D13000-memory.dmp

Filesize
3.0MB

Download
memory/340-142-0x0000000000930000-0x00000000009C3000-memory.dmp

Filesize
588KB

Download
memory/412-77-0x0000000004940000-0x0000000004941000-memory.dmp

Filesize
4KB

Download
memory/412-65-0x0000000000000000-mapping.dmp

Download
memory/412-66-0x0000000075FE1000-0x0000000075FE3000-memory.dmp

Filesize
8KB

Download
memory/412-69-0x0000000000900000-0x0000000000901000-memory.dmp

Filesize
4KB

Download
memory/412-70-0x0000000004980000-0x0000000004981000-memory.dmp

Filesize
4KB

Download
memory/412-86-0x0000000001140000-0x0000000001141000-memory.dmp

Filesize
4KB

Download
memory/412-81-0x0000000004942000-0x0000000004943000-memory.dmp

Filesize
4KB

Download
memory/572-67-0x0000000000000000-mapping.dmp

Download
memory/836-80-0x0000000000930000-0x0000000000C33000-memory.dmp

Filesize
3.0MB

Download
memory/836-73-0x000000000041EB50-mapping.dmp

Download
memory/836-72-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/836-82-0x0000000000280000-0x0000000000294000-memory.dmp

Filesize
80KB

Download
memory/1140-85-0x0000000004AD0000-0x0000000004AD1000-memory.dmp

Filesize
4KB

Download
memory/1140-92-0x0000000005790000-0x0000000005791000-memory.dmp

Filesize
4KB

Download
memory/1140-79-0x0000000004AD2000-0x0000000004AD3000-memory.dmp

Filesize
4KB

Download
memory/1140-128-0x0000000006440000-0x0000000006441000-memory.dmp

Filesize
4KB

Download
memory/1140-129-0x0000000006450000-0x0000000006451000-memory.dmp

Filesize
4KB

Download
memory/1140-113-0x0000000005750000-0x0000000005751000-memory.dmp

Filesize
4KB

Download
memory/1140-97-0x00000000061A0000-0x00000000061A1000-memory.dmp

Filesize
4KB

Download
memory/1140-88-0x0000000005400000-0x0000000005401000-memory.dmp

Filesize
4KB

Download
memory/1140-71-0x0000000000000000-mapping.dmp

Download
memory/1140-106-0x0000000006380000-0x0000000006381000-memory.dmp

Filesize
4KB

Download
memory/1140-99-0x00000000061E0000-0x00000000061E1000-memory.dmp

Filesize
4KB

Download
memory/1140-98-0x000000007EF30000-0x000000007EF31000-memory.dmp

Filesize
4KB

Download
memory/1172-140-0x0000000000000000-mapping.dmp

Download
memory/1228-83-0x0000000003D20000-0x0000000003DDE000-memory.dmp

Filesize
760KB

Download
memory/1228-143-0x0000000004D00000-0x0000000004E4A000-memory.dmp

Filesize
1.3MB

Download
memory/1756-60-0x0000000000E60000-0x0000000000E61000-memory.dmp

Filesize
4KB

Download
memory/1756-64-0x0000000004EF0000-0x0000000004F4B000-memory.dmp

Filesize
364KB

Download
memory/1756-63-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/1756-62-0x0000000004D30000-0x0000000004D31000-memory.dmp

Filesize
4KB

Download