formbook | b0e5e12bea8386e6e06c82e4e25257b22649a608b2ef2a599332879983a000b0

General

Target

Confirmation transfer Ref No_00101334632192.exe
Size

954KB
MD5

8ecc522f8617adaf469f173400806dcf
SHA1

19aff3a1b435064dade4cc095f9d10a5b6ba9859
SHA256

b0e5e12bea8386e6e06c82e4e25257b22649a608b2ef2a599332879983a000b0
SHA512

8109fd4157101064a8d4f73f438aed7f39202ebff2ab539a11434c625661cdc2c88509e9ef3a5f616d3e8136e20dd3f386fd94009b9e7f9e1344a9167d65b542
SSDEEP

24576:ukqTTiwAAgEEY4olXoFZ6toHqwjwv0E6:ITQpo9aUvt

Score

10^/10

formbook q4k5 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

q4k5

Decoy

ZXN4RZ1db9JIzC7mhQ==

5+KpXZWys/DewpGQbChh6uPT5SNzFQ==

A8YuEKESXrzBhw==

uYH/9+Amwe1ZMkaR

KAusoWlA4I1Rt0P0jA==

AgIBy9IHiq8cdo4h47hB

PsX/0DrQRr+0hQ==

3z4v9UwXBjNTf48h47hB

bySPUkT+SFuT

VsQK5NkDks06l5z+TUG3eetd/twx2Mcjlg==

3+DcnQWuXG84sOphj5LEHIv/hA==

TOZXSDkjSHDoLk/pl2HYpOXJ

q7GGZ9KJrss/oTNwyxI=

2+O/k7y22Qo=

Joatk/qnSoO3q48h47hB

KT1UQcQ9yxWFQzCI

onRBEIHmYIl9XzhAIMtPLFAh5SNzFQ==

a8IY/+/oCDOj2TuM4Ohc

UlIOzyniF1sRnTNwyxI=

8UJiR6gijbvt+exXo7oCvdNV4BE=

Signatures

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

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

Confirmation transfer Ref No_00101334632192.exeConfirmation transfer Ref No_00101334632192.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	Confirmation transfer Ref No_00101334632192.exe
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	Confirmation transfer Ref No_00101334632192.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Confirmation transfer Ref No_00101334632192.exeConfirmation transfer Ref No_00101334632192.exeraserver.exe

description	pid	process	target process
PID 5064 set thread context of 4804	5064	Confirmation transfer Ref No_00101334632192.exe	Confirmation transfer Ref No_00101334632192.exe
PID 4804 set thread context of 3056	4804	Confirmation transfer Ref No_00101334632192.exe	Explorer.EXE
PID 4636 set thread context of 3056	4636	raserver.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

2244 schtasks.exe

pid	process
2244	schtasks.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

raserver.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	raserver.exe

Suspicious behavior: EnumeratesProcesses 50 IoCs

Processes:

Confirmation transfer Ref No_00101334632192.exepowershell.exeConfirmation transfer Ref No_00101334632192.exeraserver.exe

pid	process
5064	Confirmation transfer Ref No_00101334632192.exe
5064	Confirmation transfer Ref No_00101334632192.exe
4224	powershell.exe
4224	powershell.exe
4804	Confirmation transfer Ref No_00101334632192.exe
4804	Confirmation transfer Ref No_00101334632192.exe
4804	Confirmation transfer Ref No_00101334632192.exe
4804	Confirmation transfer Ref No_00101334632192.exe
4804	Confirmation transfer Ref No_00101334632192.exe
4804	Confirmation transfer Ref No_00101334632192.exe
4804	Confirmation transfer Ref No_00101334632192.exe
4804	Confirmation transfer Ref No_00101334632192.exe
4636	raserver.exe
4636	raserver.exe
4636	raserver.exe
4636	raserver.exe
4636	raserver.exe
4636	raserver.exe
4636	raserver.exe
4636	raserver.exe
4636	raserver.exe
4636	raserver.exe
4636	raserver.exe
4636	raserver.exe
4636	raserver.exe
4636	raserver.exe
4636	raserver.exe
4636	raserver.exe
4636	raserver.exe
4636	raserver.exe
4636	raserver.exe
4636	raserver.exe
4636	raserver.exe
4636	raserver.exe
4636	raserver.exe
4636	raserver.exe
4636	raserver.exe
4636	raserver.exe
4636	raserver.exe
4636	raserver.exe
4636	raserver.exe
4636	raserver.exe
4636	raserver.exe
4636	raserver.exe
4636	raserver.exe
4636	raserver.exe
4636	raserver.exe
4636	raserver.exe
4636	raserver.exe
4636	raserver.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3056 Explorer.EXE

pid	process
3056	Explorer.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

Confirmation transfer Ref No_00101334632192.exeraserver.exe

pid	process
4804	Confirmation transfer Ref No_00101334632192.exe
4804	Confirmation transfer Ref No_00101334632192.exe
4804	Confirmation transfer Ref No_00101334632192.exe
4636	raserver.exe
4636	raserver.exe
4636	raserver.exe
4636	raserver.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

Confirmation transfer Ref No_00101334632192.exepowershell.exeConfirmation transfer Ref No_00101334632192.exeraserver.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	5064	Confirmation transfer Ref No_00101334632192.exe
Token: SeDebugPrivilege	4224	powershell.exe
Token: SeDebugPrivilege	4804	Confirmation transfer Ref No_00101334632192.exe
Token: SeDebugPrivilege	4636	raserver.exe
Token: SeShutdownPrivilege	3056	Explorer.EXE
Token: SeCreatePagefilePrivilege	3056	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

Confirmation transfer Ref No_00101334632192.exeExplorer.EXEraserver.exe

description	pid	process	target process
PID 5064 wrote to memory of 4224	5064	Confirmation transfer Ref No_00101334632192.exe	powershell.exe
PID 5064 wrote to memory of 4224	5064	Confirmation transfer Ref No_00101334632192.exe	powershell.exe
PID 5064 wrote to memory of 4224	5064	Confirmation transfer Ref No_00101334632192.exe	powershell.exe
PID 5064 wrote to memory of 2244	5064	Confirmation transfer Ref No_00101334632192.exe	schtasks.exe
PID 5064 wrote to memory of 2244	5064	Confirmation transfer Ref No_00101334632192.exe	schtasks.exe
PID 5064 wrote to memory of 2244	5064	Confirmation transfer Ref No_00101334632192.exe	schtasks.exe
PID 5064 wrote to memory of 4804	5064	Confirmation transfer Ref No_00101334632192.exe	Confirmation transfer Ref No_00101334632192.exe
PID 5064 wrote to memory of 4804	5064	Confirmation transfer Ref No_00101334632192.exe	Confirmation transfer Ref No_00101334632192.exe
PID 5064 wrote to memory of 4804	5064	Confirmation transfer Ref No_00101334632192.exe	Confirmation transfer Ref No_00101334632192.exe
PID 5064 wrote to memory of 4804	5064	Confirmation transfer Ref No_00101334632192.exe	Confirmation transfer Ref No_00101334632192.exe
PID 5064 wrote to memory of 4804	5064	Confirmation transfer Ref No_00101334632192.exe	Confirmation transfer Ref No_00101334632192.exe
PID 5064 wrote to memory of 4804	5064	Confirmation transfer Ref No_00101334632192.exe	Confirmation transfer Ref No_00101334632192.exe
PID 3056 wrote to memory of 4636	3056	Explorer.EXE	raserver.exe
PID 3056 wrote to memory of 4636	3056	Explorer.EXE	raserver.exe
PID 3056 wrote to memory of 4636	3056	Explorer.EXE	raserver.exe
PID 4636 wrote to memory of 3728	4636	raserver.exe	Firefox.exe
PID 4636 wrote to memory of 3728	4636	raserver.exe	Firefox.exe
PID 4636 wrote to memory of 3728	4636	raserver.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3056

C:\Users\Admin\AppData\Local\Temp\Confirmation transfer Ref No_00101334632192.exe
"C:\Users\Admin\AppData\Local\Temp\Confirmation transfer Ref No_00101334632192.exe"
2⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5064

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\PuscvCO.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4224

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PuscvCO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6580.tmp"
3⤵
- Creates scheduled task(s)
PID:2244

C:\Users\Admin\AppData\Local\Temp\Confirmation transfer Ref No_00101334632192.exe
"C:\Users\Admin\AppData\Local\Temp\Confirmation transfer Ref No_00101334632192.exe"
3⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4804

C:\Windows\SysWOW64\raserver.exe
"C:\Windows\SysWOW64\raserver.exe"
2⤵
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4636

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:3728

Network

MITRE ATT&CK Enterprise 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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp6580.tmp
Filesize
1KB

MD5
561bd03c580afb5acba1e853cc976872

SHA1
e7066246a4c1b0d66326a1d84642b22cb0d7bdcf

SHA256
7605430d27f7d602a8c6a86c71d1bf018b30250ee953d13282d8fd7d0ea04482

SHA512
9294ac5a04fa6bfd76d65dd44389171c8084a05298870289f51a53fc74de07a373920beddfddd2b5e2eff9f8996f24fe8e708dcf3d15ef6bcf3b8859c70a6b2f

Download Submit
memory/2244-138-0x0000000000000000-mapping.dmp

Download
memory/3056-173-0x0000000008540000-0x00000000086B1000-memory.dmp

Filesize
1.4MB

Download
memory/3056-171-0x0000000008540000-0x00000000086B1000-memory.dmp

Filesize
1.4MB

Download
memory/3056-155-0x0000000007530000-0x00000000075EC000-memory.dmp

Filesize
752KB

Download
memory/4224-142-0x0000000004D40000-0x0000000005368000-memory.dmp

Filesize
6.2MB

Download
memory/4224-147-0x0000000005610000-0x0000000005676000-memory.dmp

Filesize
408KB

Download
memory/4224-139-0x00000000046D0000-0x0000000004706000-memory.dmp

Filesize
216KB

Download
memory/4224-167-0x00000000072B0000-0x00000000072CA000-memory.dmp

Filesize
104KB

Download
memory/4224-166-0x00000000071A0000-0x00000000071AE000-memory.dmp

Filesize
56KB

Download
memory/4224-169-0x0000000007290000-0x0000000007298000-memory.dmp

Filesize
32KB

Download
memory/4224-165-0x00000000071F0000-0x0000000007286000-memory.dmp

Filesize
600KB

Download
memory/4224-145-0x0000000004CA0000-0x0000000004CC2000-memory.dmp

Filesize
136KB

Download
memory/4224-146-0x0000000005370000-0x00000000053D6000-memory.dmp

Filesize
408KB

Download
memory/4224-137-0x0000000000000000-mapping.dmp

Download
memory/4224-148-0x0000000005C70000-0x0000000005C8E000-memory.dmp

Filesize
120KB

Download
memory/4224-162-0x0000000006FE0000-0x0000000006FEA000-memory.dmp

Filesize
40KB

Download
memory/4224-160-0x0000000006F70000-0x0000000006F8A000-memory.dmp

Filesize
104KB

Download
memory/4224-159-0x00000000075B0000-0x0000000007C2A000-memory.dmp

Filesize
6.5MB

Download
memory/4224-158-0x0000000006200000-0x000000000621E000-memory.dmp

Filesize
120KB

Download
memory/4224-157-0x00000000719F0000-0x0000000071A3C000-memory.dmp

Filesize
304KB

Download
memory/4224-156-0x0000000006230000-0x0000000006262000-memory.dmp

Filesize
200KB

Download
memory/4636-163-0x0000000000940000-0x000000000095F000-memory.dmp

Filesize
124KB

Download
memory/4636-161-0x0000000000000000-mapping.dmp

Download
memory/4636-172-0x00000000007B0000-0x00000000007DD000-memory.dmp

Filesize
180KB

Download
memory/4636-170-0x0000000002BA0000-0x0000000002C2F000-memory.dmp

Filesize
572KB

Download
memory/4636-168-0x0000000002850000-0x0000000002B9A000-memory.dmp

Filesize
3.3MB

Download
memory/4636-164-0x00000000007B0000-0x00000000007DD000-memory.dmp

Filesize
180KB

Download
memory/4804-150-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4804-149-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4804-143-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4804-154-0x0000000001340000-0x0000000001350000-memory.dmp

Filesize
64KB

Download
memory/4804-141-0x0000000000000000-mapping.dmp

Download
memory/4804-151-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/4804-152-0x0000000001370000-0x00000000016BA000-memory.dmp

Filesize
3.3MB

Download
memory/4804-153-0x0000000000422000-0x0000000000424000-memory.dmp

Filesize
8KB

Download
memory/5064-132-0x00000000001E0000-0x00000000002D6000-memory.dmp

Filesize
984KB

Download
memory/5064-136-0x0000000008A30000-0x0000000008ACC000-memory.dmp

Filesize
624KB

Download
memory/5064-135-0x0000000004D10000-0x0000000004D1A000-memory.dmp

Filesize
40KB

Download
memory/5064-134-0x0000000004C60000-0x0000000004CF2000-memory.dmp

Filesize
584KB

Download
memory/5064-133-0x00000000052E0000-0x0000000005884000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads