formbook | 1954e5d17d12c8b4fabdb74dec7e0001ce7a5143052430155668111e1e4039cf

General

Target

new.exe
Size

423KB
MD5

d00138d4097d9e64a13f408bb7441b4f
SHA1

e7d7447a48917bb0090f4d2f80148006f91d8228
SHA256

1954e5d17d12c8b4fabdb74dec7e0001ce7a5143052430155668111e1e4039cf
SHA512

f7a3f7c59888edc4270bb31c65bd6d25d43b16d6835d3638f1693fb0fbbef1f09aa7512f7e41bf455fd96a5cb029d491d8a33b1b727c00793134fda92b933ff4
SSDEEP

6144:jYa6DVGiehYrkn1BvF7f9wINRpJpkSsysPN4SoR/tbr/k63U/sO1i8FlTdI3:jYxVNeug7f9wITdkSsV43dI6E/Hfs

Score

10^/10

formbook ho62 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ho62

Decoy

aqawonky.com

ancachsroadsideassistance.com

artologycreatlive.com

olesinfo.africa

lovebreatheandsleep.com

friendsofdragonsprings.com

homecomingmums.wiki

hg222.bet

precision-spares.co.uk

generalhospitaleu.africa

touchstone4x4.africa

dynamator.com

dental-implants-52531.com

efefear.buzz

bentonapp.net

89luxu.com

bridgesonelm.com

acesaigon.online

instantapprovals.loans

evuniverso.com

Signatures

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

Formbook payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3424-139-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3424-144-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2992-148-0x0000000001060000-0x000000000108F000-memory.dmp	formbook
behavioral2/memory/2992-151-0x0000000001060000-0x000000000108F000-memory.dmp	formbook

Executes dropped EXE 2 IoCs

Processes:

rvcgltry.exervcgltry.exe

pid process

4844 rvcgltry.exe
3424 rvcgltry.exe

pid	process
4844	rvcgltry.exe
3424	rvcgltry.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

rvcgltry.exervcgltry.exehelp.exe

description	pid	process	target process
PID 4844 set thread context of 3424	4844	rvcgltry.exe	rvcgltry.exe
PID 3424 set thread context of 3048	3424	rvcgltry.exe	Explorer.EXE
PID 2992 set thread context of 3048	2992	help.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

Suspicious behavior: EnumeratesProcesses 60 IoCs

Processes:

rvcgltry.exehelp.exe

pid	process
3424	rvcgltry.exe
3424	rvcgltry.exe
3424	rvcgltry.exe
3424	rvcgltry.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe
2992	help.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3048 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

rvcgltry.exervcgltry.exehelp.exe

pid process

4844 rvcgltry.exe
3424 rvcgltry.exe
3424 rvcgltry.exe
3424 rvcgltry.exe
2992 help.exe
2992 help.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

rvcgltry.exehelp.exe

description pid process

Token: SeDebugPrivilege 3424 rvcgltry.exe
Token: SeDebugPrivilege 2992 help.exe

pid	process
3048	Explorer.EXE

pid	process
4844	rvcgltry.exe
3424	rvcgltry.exe
3424	rvcgltry.exe
3424	rvcgltry.exe
2992	help.exe
2992	help.exe

description	pid	process
Token: SeDebugPrivilege	3424	rvcgltry.exe
Token: SeDebugPrivilege	2992	help.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

new.exervcgltry.exeExplorer.EXEhelp.exe

description	pid	process	target process
PID 4396 wrote to memory of 4844	4396	new.exe	rvcgltry.exe
PID 4396 wrote to memory of 4844	4396	new.exe	rvcgltry.exe
PID 4396 wrote to memory of 4844	4396	new.exe	rvcgltry.exe
PID 4844 wrote to memory of 3424	4844	rvcgltry.exe	rvcgltry.exe
PID 4844 wrote to memory of 3424	4844	rvcgltry.exe	rvcgltry.exe
PID 4844 wrote to memory of 3424	4844	rvcgltry.exe	rvcgltry.exe
PID 4844 wrote to memory of 3424	4844	rvcgltry.exe	rvcgltry.exe
PID 3048 wrote to memory of 2992	3048	Explorer.EXE	help.exe
PID 3048 wrote to memory of 2992	3048	Explorer.EXE	help.exe
PID 3048 wrote to memory of 2992	3048	Explorer.EXE	help.exe
PID 2992 wrote to memory of 1824	2992	help.exe	cmd.exe
PID 2992 wrote to memory of 1824	2992	help.exe	cmd.exe
PID 2992 wrote to memory of 1824	2992	help.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3048

C:\Users\Admin\AppData\Local\Temp\new.exe
"C:\Users\Admin\AppData\Local\Temp\new.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4396

C:\Users\Admin\AppData\Local\Temp\rvcgltry.exe
"C:\Users\Admin\AppData\Local\Temp\rvcgltry.exe" C:\Users\Admin\AppData\Local\Temp\xjfdjrmdyjo.r
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4844

C:\Users\Admin\AppData\Local\Temp\rvcgltry.exe
"C:\Users\Admin\AppData\Local\Temp\rvcgltry.exe"
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3424

C:\Windows\SysWOW64\help.exe
"C:\Windows\SysWOW64\help.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2992

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\rvcgltry.exe"
3⤵
PID:1824

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\rvcgltry.exe
Filesize
296KB

MD5
e0e1e7aa194ff7f3de17a2eafe5e92eb

SHA1
8415a4b78de0eb06a0c715046b63b63c2a785d2d

SHA256
edde7e13debc34e655dbc59e42f66644525ac72480f510b708be6a6065e2ce4c

SHA512
62228860b22d660aef179b5394d7ce9e01d1b560b80e2f40cfa607bf703e5a52176702977e6da46794c80a16d7fe6dda07fc9a873dad29e6561fcd5e45c4d7b4

Download Submit
C:\Users\Admin\AppData\Local\Temp\rvcgltry.exe
Filesize
296KB

MD5
e0e1e7aa194ff7f3de17a2eafe5e92eb

SHA1
8415a4b78de0eb06a0c715046b63b63c2a785d2d

SHA256
edde7e13debc34e655dbc59e42f66644525ac72480f510b708be6a6065e2ce4c

SHA512
62228860b22d660aef179b5394d7ce9e01d1b560b80e2f40cfa607bf703e5a52176702977e6da46794c80a16d7fe6dda07fc9a873dad29e6561fcd5e45c4d7b4

Download Submit
C:\Users\Admin\AppData\Local\Temp\rvcgltry.exe
Filesize
296KB

MD5
e0e1e7aa194ff7f3de17a2eafe5e92eb

SHA1
8415a4b78de0eb06a0c715046b63b63c2a785d2d

SHA256
edde7e13debc34e655dbc59e42f66644525ac72480f510b708be6a6065e2ce4c

SHA512
62228860b22d660aef179b5394d7ce9e01d1b560b80e2f40cfa607bf703e5a52176702977e6da46794c80a16d7fe6dda07fc9a873dad29e6561fcd5e45c4d7b4

Download Submit
C:\Users\Admin\AppData\Local\Temp\tclpuoflals.opy
Filesize
205KB

MD5
deac0048a0c6ec356070a82ce292fe6f

SHA1
537f69f232356d953ce0474032efb7bcd14ef39f

SHA256
dafcc435e99f4fd4798fdd740b6379685764037093d83547ffb500f043f1d646

SHA512
4e51b1a11c010f5525c6774234f33f7c4076c067bd1cd7921cdc7c204f2032e9939b4c4740f049740ad957e5a8b1f0f1b0ed7b15c6b97f3571c6feed0d31557e

Download Submit
C:\Users\Admin\AppData\Local\Temp\xjfdjrmdyjo.r
Filesize
6KB

MD5
63ea2b1b129b3bdb981a0ab43167e734

SHA1
97f8c5869717e0fc9625aa128b0b9f473121bc0b

SHA256
db767d3f93786d24e935f5ee35b65ea6038b786cf6e57ade24404de162a0de84

SHA512
1f707e603fec74832e55bb57803461c45408ff17bd00222fb17d0bbd5faac2bb0365897e00ebaa18cdd5d84780c1153b87f7f049af8cc35306f6ffda1d878b7e

Download Submit
memory/1824-145-0x0000000000000000-mapping.dmp

Download
memory/2992-151-0x0000000001060000-0x000000000108F000-memory.dmp

Filesize
188KB

Download
memory/2992-149-0x00000000015D0000-0x0000000001664000-memory.dmp

Filesize
592KB

Download
memory/2992-148-0x0000000001060000-0x000000000108F000-memory.dmp

Filesize
188KB

Download
memory/2992-147-0x0000000001790000-0x0000000001ADA000-memory.dmp

Filesize
3.3MB

Download
memory/2992-146-0x0000000000970000-0x0000000000977000-memory.dmp

Filesize
28KB

Download
memory/2992-143-0x0000000000000000-mapping.dmp

Download
memory/3048-142-0x00000000085D0000-0x00000000086DC000-memory.dmp

Filesize
1.0MB

Download
memory/3048-150-0x0000000008700000-0x0000000008818000-memory.dmp

Filesize
1.1MB

Download
memory/3048-152-0x0000000008700000-0x0000000008818000-memory.dmp

Filesize
1.1MB

Download
memory/3424-144-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3424-141-0x00000000009E0000-0x00000000009F5000-memory.dmp

Filesize
84KB

Download
memory/3424-140-0x0000000000A40000-0x0000000000D8A000-memory.dmp

Filesize
3.3MB

Download
memory/3424-139-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3424-137-0x0000000000000000-mapping.dmp

Download
memory/4844-132-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads