formbook | 87a7b708cf5f194568ce728a77c5778078720d6ff6346ea269f0a5427398ad60

General

Target

vbc.exe
Size

448KB
MD5

0157a88e62b7651bf765bd4fbf73264c
SHA1

fba492f92871cbf674563578d3e91ccb4a412c71
SHA256

87a7b708cf5f194568ce728a77c5778078720d6ff6346ea269f0a5427398ad60
SHA512

821184beaa4e49af6e05583992ea98800a1494fcfe4c0d534dbb048dc2960208545432bb1c59c7f5cb69573bb2e7cb33d90904415c6563873ead802c4e4279c7
SSDEEP

12288:w1bVCfn7om/rE7KdHJaKZODGZ5N1Um4ObM1Mjc:w1ofn7X/9dJaSODGZ5f5hoajc

Score

10^/10

formbook dwdp rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

dwdp

Decoy

4DlAaMhdJtwJ15R2TZiMx6GwCg==

oilWdXwEy3OHItOqfLCNx6GwCg==

Ak8/PHhAG8EabtQ6

6M2Ej6pHE8pIcmJHMnpaZmZN50HzwA==

TbfoWsWBhyisR1OC/WI=

c9L5DAKvlT90Emj/mejR

Q52SsCG4oEvuFmMtB3U=

OpXGZzbo03aPI4RLsRqSjCi+4btteRj9

HXOuQvq3ok8Cm/9OCg==

NR7FUuGQbFKbPFOC/WI=

vCVkAKp/MCYvTA==

EIB9dcNoJczrDx1+2FMCpUWh

AelRyJUy6pU3TPPyep9VeiM=

pxM6rxHct23r9lOC/WI=

Jo+EpynW0bkd8EQ=

c93g9H4q6pCGbWGE6jGTmys=

KxeWJh3IeirmwBLvQ6xa5He4

Y18bQIZHI87qwl3/mejR

UDOSCrReNObV5g8I/0swTl5K50HzwA==

6Wum4j786IYvBgz/fu7G

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 4 IoCs

Processes:

vbc.exeCasPol.exemsdt.exe

description	pid	process	target process
PID 3600 set thread context of 3564	3600	vbc.exe	CasPol.exe
PID 3564 set thread context of 2416	3564	CasPol.exe	Explorer.EXE
PID 3564 set thread context of 2416	3564	CasPol.exe	Explorer.EXE
PID 4216 set thread context of 2416	4216	msdt.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

msdt.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	msdt.exe

Suspicious behavior: EnumeratesProcesses 52 IoCs

Processes:

vbc.exeCasPol.exemsdt.exe

pid	process
3600	vbc.exe
3600	vbc.exe
3600	vbc.exe
3600	vbc.exe
3600	vbc.exe
3600	vbc.exe
3564	CasPol.exe
3564	CasPol.exe
3564	CasPol.exe
3564	CasPol.exe
3564	CasPol.exe
3564	CasPol.exe
3564	CasPol.exe
3564	CasPol.exe
3564	CasPol.exe
3564	CasPol.exe
4216	msdt.exe
4216	msdt.exe
4216	msdt.exe
4216	msdt.exe
4216	msdt.exe
4216	msdt.exe
4216	msdt.exe
4216	msdt.exe
4216	msdt.exe
4216	msdt.exe
4216	msdt.exe
4216	msdt.exe
4216	msdt.exe
4216	msdt.exe
4216	msdt.exe
4216	msdt.exe
4216	msdt.exe
4216	msdt.exe
4216	msdt.exe
4216	msdt.exe
4216	msdt.exe
4216	msdt.exe
4216	msdt.exe
4216	msdt.exe
4216	msdt.exe
4216	msdt.exe
4216	msdt.exe
4216	msdt.exe
4216	msdt.exe
4216	msdt.exe
4216	msdt.exe
4216	msdt.exe
4216	msdt.exe
4216	msdt.exe
4216	msdt.exe
4216	msdt.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2416 Explorer.EXE
Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

CasPol.exemsdt.exe

pid process

3564 CasPol.exe
3564 CasPol.exe
3564 CasPol.exe
3564 CasPol.exe
4216 msdt.exe
4216 msdt.exe
4216 msdt.exe
4216 msdt.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vbc.exeCasPol.exemsdt.exe

description pid process

Token: SeDebugPrivilege 3600 vbc.exe
Token: SeDebugPrivilege 3564 CasPol.exe
Token: SeDebugPrivilege 4216 msdt.exe

pid	process
2416	Explorer.EXE

pid	process
3564	CasPol.exe
3564	CasPol.exe
3564	CasPol.exe
3564	CasPol.exe
4216	msdt.exe
4216	msdt.exe
4216	msdt.exe
4216	msdt.exe

description	pid	process
Token: SeDebugPrivilege	3600	vbc.exe
Token: SeDebugPrivilege	3564	CasPol.exe
Token: SeDebugPrivilege	4216	msdt.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

vbc.exeExplorer.EXEmsdt.exe

description	pid	process	target process
PID 3600 wrote to memory of 1556	3600	vbc.exe	CasPol.exe
PID 3600 wrote to memory of 1556	3600	vbc.exe	CasPol.exe
PID 3600 wrote to memory of 1556	3600	vbc.exe	CasPol.exe
PID 3600 wrote to memory of 5060	3600	vbc.exe	CasPol.exe
PID 3600 wrote to memory of 5060	3600	vbc.exe	CasPol.exe
PID 3600 wrote to memory of 5060	3600	vbc.exe	CasPol.exe
PID 3600 wrote to memory of 3564	3600	vbc.exe	CasPol.exe
PID 3600 wrote to memory of 3564	3600	vbc.exe	CasPol.exe
PID 3600 wrote to memory of 3564	3600	vbc.exe	CasPol.exe
PID 3600 wrote to memory of 3564	3600	vbc.exe	CasPol.exe
PID 3600 wrote to memory of 3564	3600	vbc.exe	CasPol.exe
PID 3600 wrote to memory of 3564	3600	vbc.exe	CasPol.exe
PID 2416 wrote to memory of 4216	2416	Explorer.EXE	msdt.exe
PID 2416 wrote to memory of 4216	2416	Explorer.EXE	msdt.exe
PID 2416 wrote to memory of 4216	2416	Explorer.EXE	msdt.exe
PID 4216 wrote to memory of 2672	4216	msdt.exe	Firefox.exe
PID 4216 wrote to memory of 2672	4216	msdt.exe	Firefox.exe
PID 4216 wrote to memory of 2672	4216	msdt.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2416

C:\Users\Admin\AppData\Local\Temp\vbc.exe
"C:\Users\Admin\AppData\Local\Temp\vbc.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3600

C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
3⤵
PID:1556

C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
3⤵
PID:5060

C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3564

C:\Windows\SysWOW64\msdt.exe
"C:\Windows\SysWOW64\msdt.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:4216

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:2672

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

1

T1064

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/2416-143-0x00000000032B0000-0x00000000033AD000-memory.dmp

Filesize
1012KB

Download
memory/2416-159-0x0000000008D50000-0x0000000008EBE000-memory.dmp

Filesize
1.4MB

Download
memory/2416-158-0x0000000008D50000-0x0000000008EBE000-memory.dmp

Filesize
1.4MB

Download
memory/2416-155-0x0000000008A70000-0x0000000008C1B000-memory.dmp

Filesize
1.7MB

Download
memory/2416-148-0x0000000008A70000-0x0000000008C1B000-memory.dmp

Filesize
1.7MB

Download
memory/3564-147-0x0000000001480000-0x0000000001490000-memory.dmp

Filesize
64KB

Download
memory/3564-150-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/3564-140-0x0000000001010000-0x000000000135A000-memory.dmp

Filesize
3.3MB

Download
memory/3564-142-0x0000000000FD0000-0x0000000000FE0000-memory.dmp

Filesize
64KB

Download
memory/3564-138-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3564-144-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3564-145-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/3564-134-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3564-151-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3564-139-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/3564-135-0x00000000004012B0-mapping.dmp

Download
memory/3600-137-0x00007FFAA33F0000-0x00007FFAA3EB1000-memory.dmp

Filesize
10.8MB

Download
memory/3600-133-0x00007FFAA33F0000-0x00007FFAA3EB1000-memory.dmp

Filesize
10.8MB

Download
memory/3600-132-0x0000023142910000-0x0000023142984000-memory.dmp

Filesize
464KB

Download
memory/4216-149-0x0000000000000000-mapping.dmp

Download
memory/4216-153-0x0000000001010000-0x000000000103D000-memory.dmp

Filesize
180KB

Download
memory/4216-156-0x0000000002EE0000-0x0000000002F6F000-memory.dmp

Filesize
572KB

Download
memory/4216-154-0x00000000030A0000-0x00000000033EA000-memory.dmp

Filesize
3.3MB

Download
memory/4216-157-0x0000000001010000-0x000000000103D000-memory.dmp

Filesize
180KB

Download
memory/4216-152-0x0000000000520000-0x0000000000577000-memory.dmp

Filesize
348KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads