formbook | c85a06161a28fcfcc80891d618c37d37b72e970be0be060fec72925424412044

General

Target

Specification 5678.exe
Size

783KB
MD5

10a84bec0fb372b198ef40ca39f55bd8
SHA1

3865a090d536a52b9e2625ca4eee5e3b346b74f0
SHA256

c85a06161a28fcfcc80891d618c37d37b72e970be0be060fec72925424412044
SHA512

fc4f3cb89b437a2e29b95c4b39c8dbc5a3cde31d6b73281d1080c4dc29788f56fe39580eb9498ac8b250fa81602bd4dcc1ea825978f3e06817f8b0ed6886522c
SSDEEP

12288:jb7Vnri6k1mS35TcRi1fHlFKIBVKlAhQhngAKEogIYWkejwFGf:jRri6koS35rHbzMnngAKEogIreG

Score

10^/10

formbook nhg6 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

nhg6

Decoy

FSZGb3Of7ECMIOG9mh1ql/w=

DAPP3Pm63eo+zg==

khOZTuClxYsKQsZALgy3ob9TFAk=

5uWol2f/RF3CAwFd

P70LqPOi2iE9g4vpPH1Lk8E0K6tC

KBRl7TSt3eo+zg==

rqedJWUJXKkDbORa

lpORtIg8lvMKbJ77PQW9kes=

Qinv+gsohAIooqyTcfUYgZ/IVxQ=

J0L2ggPAiE2gxm4=

r/I6qOGI5noJCghf

khJg6HKM6l9okVK+pg==

HRMTK/6p3eo+zg==

HqMiuv2JaKYJCghf

+FzGYtsGTpK46OkKkh5C

BBrOUpUY91R/r8gkPwrcuw==

klWfn2smdNcqog581h6vX7px

t8uvr7+R7IPaHSOH1hqvX7px

bHdghkj64OjzY2hOLa/WObrRkkeJjQ==

s3/smhoylh1J0mPS4aDHBDRyJw==

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Loads dropped DLL 1 IoCs

Processes:

chkdsk.exe

pid process

1252 chkdsk.exe

pid	process
1252	chkdsk.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Specification 5678.exeRegSvcs.exechkdsk.exe

description	pid	process	target process
PID 1672 set thread context of 320	1672	Specification 5678.exe	RegSvcs.exe
PID 320 set thread context of 1260	320	RegSvcs.exe	Explorer.EXE
PID 1252 set thread context of 1260	1252	chkdsk.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

1096 schtasks.exe
Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

chkdsk.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier chkdsk.exe

pid	process
1096	schtasks.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

chkdsk.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-999675638-2867687379-27515722-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

Processes:

Specification 5678.exeRegSvcs.exepowershell.exechkdsk.exe

pid	process
1672	Specification 5678.exe
1672	Specification 5678.exe
320	RegSvcs.exe
320	RegSvcs.exe
320	RegSvcs.exe
320	RegSvcs.exe
1100	powershell.exe
1252	chkdsk.exe
1252	chkdsk.exe
1252	chkdsk.exe
1252	chkdsk.exe
1252	chkdsk.exe
1252	chkdsk.exe
1252	chkdsk.exe
1252	chkdsk.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

RegSvcs.exechkdsk.exe

pid process

320 RegSvcs.exe
320 RegSvcs.exe
320 RegSvcs.exe
1252 chkdsk.exe
1252 chkdsk.exe
1252 chkdsk.exe
1252 chkdsk.exe

pid	process
320	RegSvcs.exe
320	RegSvcs.exe
320	RegSvcs.exe
1252	chkdsk.exe
1252	chkdsk.exe
1252	chkdsk.exe
1252	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

Specification 5678.exeRegSvcs.exepowershell.exechkdsk.exe

description	pid	process
Token: SeDebugPrivilege	1672	Specification 5678.exe
Token: SeDebugPrivilege	320	RegSvcs.exe
Token: SeDebugPrivilege	1100	powershell.exe
Token: SeDebugPrivilege	1252	chkdsk.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1260 Explorer.EXE
1260 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1260 Explorer.EXE
1260 Explorer.EXE

pid	process
1260	Explorer.EXE
1260	Explorer.EXE

pid	process
1260	Explorer.EXE
1260	Explorer.EXE

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

Specification 5678.exeExplorer.EXEchkdsk.exe

description	pid	process	target process
PID 1672 wrote to memory of 1100	1672	Specification 5678.exe	powershell.exe
PID 1672 wrote to memory of 1100	1672	Specification 5678.exe	powershell.exe
PID 1672 wrote to memory of 1100	1672	Specification 5678.exe	powershell.exe
PID 1672 wrote to memory of 1100	1672	Specification 5678.exe	powershell.exe
PID 1672 wrote to memory of 1096	1672	Specification 5678.exe	schtasks.exe
PID 1672 wrote to memory of 1096	1672	Specification 5678.exe	schtasks.exe
PID 1672 wrote to memory of 1096	1672	Specification 5678.exe	schtasks.exe
PID 1672 wrote to memory of 1096	1672	Specification 5678.exe	schtasks.exe
PID 1672 wrote to memory of 320	1672	Specification 5678.exe	RegSvcs.exe
PID 1672 wrote to memory of 320	1672	Specification 5678.exe	RegSvcs.exe
PID 1672 wrote to memory of 320	1672	Specification 5678.exe	RegSvcs.exe
PID 1672 wrote to memory of 320	1672	Specification 5678.exe	RegSvcs.exe
PID 1672 wrote to memory of 320	1672	Specification 5678.exe	RegSvcs.exe
PID 1672 wrote to memory of 320	1672	Specification 5678.exe	RegSvcs.exe
PID 1672 wrote to memory of 320	1672	Specification 5678.exe	RegSvcs.exe
PID 1672 wrote to memory of 320	1672	Specification 5678.exe	RegSvcs.exe
PID 1672 wrote to memory of 320	1672	Specification 5678.exe	RegSvcs.exe
PID 1672 wrote to memory of 320	1672	Specification 5678.exe	RegSvcs.exe
PID 1260 wrote to memory of 1252	1260	Explorer.EXE	chkdsk.exe
PID 1260 wrote to memory of 1252	1260	Explorer.EXE	chkdsk.exe
PID 1260 wrote to memory of 1252	1260	Explorer.EXE	chkdsk.exe
PID 1260 wrote to memory of 1252	1260	Explorer.EXE	chkdsk.exe
PID 1252 wrote to memory of 316	1252	chkdsk.exe	Firefox.exe
PID 1252 wrote to memory of 316	1252	chkdsk.exe	Firefox.exe
PID 1252 wrote to memory of 316	1252	chkdsk.exe	Firefox.exe
PID 1252 wrote to memory of 316	1252	chkdsk.exe	Firefox.exe
PID 1252 wrote to memory of 316	1252	chkdsk.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1260

C:\Users\Admin\AppData\Local\Temp\Specification 5678.exe
"C:\Users\Admin\AppData\Local\Temp\Specification 5678.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1672

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\pPXFqtKQrbbp.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1100

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pPXFqtKQrbbp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp77B0.tmp"
3⤵
- Creates scheduled task(s)
PID:1096

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:320

C:\Windows\SysWOW64\chkdsk.exe
"C:\Windows\SysWOW64\chkdsk.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1252

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:316

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp77B0.tmp
Filesize
1KB

MD5
c74e9c31afcb9c07dc33e3e6da246f52

SHA1
3d94b78304014d52dcc2345f10c3a1c558579f08

SHA256
a180456246ae2e73949cb47853649a205fff8233e0b1b61bf2fc6e6765522519

SHA512
738a54d3364739776f52823722d51531d54adddcfed2dcf0e4e0ae5370e3a3b2b923301295b59064d1acd355a749e86863553d3a23a449b470eb93cf1782d427

Download Submit
\Users\Admin\AppData\Local\Temp\sqlite3.dll
Filesize
927KB

MD5
7fd80b1cc72dc580c02ca4cfbfb2592d

SHA1
18da905af878b27151b359cf1a7d0a650764e8a1

SHA256
1e6dccbdf8527abb53c289da920463b7895300d0d984cc7e91a3ecda4e673190

SHA512
13f7f29b5ed31c551aa5f27742557aa4d026a226087d6fcbca094819759ecc753a2c33b7422ae88dc6a4a0a966edb8485a18e59a0283ba2686cae5d78e0190a3

Download Submit
memory/320-72-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/320-71-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/320-75-0x0000000000090000-0x00000000000A0000-memory.dmp

Filesize
64KB

Download
memory/320-64-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/320-65-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/320-67-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/320-68-0x00000000004012B0-mapping.dmp

Download
memory/320-70-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/320-74-0x0000000000820000-0x0000000000B23000-memory.dmp

Filesize
3.0MB

Download
memory/1096-61-0x0000000000000000-mapping.dmp

Download
memory/1100-77-0x000000006EA10000-0x000000006EFBB000-memory.dmp

Filesize
5.7MB

Download
memory/1100-59-0x0000000000000000-mapping.dmp

Download
memory/1100-73-0x000000006EA10000-0x000000006EFBB000-memory.dmp

Filesize
5.7MB

Download
memory/1252-84-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/1252-82-0x00000000009E0000-0x0000000000A6F000-memory.dmp

Filesize
572KB

Download
memory/1252-81-0x0000000002160000-0x0000000002463000-memory.dmp

Filesize
3.0MB

Download
memory/1252-80-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/1252-79-0x0000000000D50000-0x0000000000D57000-memory.dmp

Filesize
28KB

Download
memory/1252-78-0x0000000000000000-mapping.dmp

Download
memory/1260-76-0x0000000003E90000-0x0000000003F52000-memory.dmp

Filesize
776KB

Download
memory/1260-83-0x0000000004C90000-0x0000000004DA7000-memory.dmp

Filesize
1.1MB

Download
memory/1260-86-0x0000000004C90000-0x0000000004DA7000-memory.dmp

Filesize
1.1MB

Download
memory/1672-56-0x00000000003E0000-0x00000000003F4000-memory.dmp

Filesize
80KB

Download
memory/1672-63-0x0000000000D40000-0x0000000000D76000-memory.dmp

Filesize
216KB

Download
memory/1672-55-0x0000000075BD1000-0x0000000075BD3000-memory.dmp

Filesize
8KB

Download
memory/1672-57-0x0000000000420000-0x000000000042C000-memory.dmp

Filesize
48KB

Download
memory/1672-58-0x0000000005610000-0x0000000005680000-memory.dmp

Filesize
448KB

Download
memory/1672-54-0x0000000000EB0000-0x0000000000F7A000-memory.dmp

Filesize
808KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads