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 3 IoCs

Processes:

vbc.exeCasPol.exesvchost.exe

description	pid	process	target process
PID 4876 set thread context of 2616	4876	vbc.exe	CasPol.exe
PID 2616 set thread context of 2548	2616	CasPol.exe	Explorer.EXE
PID 3632 set thread context of 2548	3632	svchost.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

svchost.exe

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

Suspicious behavior: EnumeratesProcesses 62 IoCs

Processes:

vbc.exeCasPol.exesvchost.exe

pid	process
4876	vbc.exe
4876	vbc.exe
2616	CasPol.exe
2616	CasPol.exe
2616	CasPol.exe
2616	CasPol.exe
2616	CasPol.exe
2616	CasPol.exe
2616	CasPol.exe
2616	CasPol.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2548 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

CasPol.exesvchost.exe

pid process

2616 CasPol.exe
2616 CasPol.exe
2616 CasPol.exe
3632 svchost.exe
3632 svchost.exe
3632 svchost.exe
3632 svchost.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vbc.exeCasPol.exesvchost.exe

description pid process

Token: SeDebugPrivilege 4876 vbc.exe
Token: SeDebugPrivilege 2616 CasPol.exe
Token: SeDebugPrivilege 3632 svchost.exe

pid	process
2548	Explorer.EXE

pid	process
2616	CasPol.exe
2616	CasPol.exe
2616	CasPol.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe
3632	svchost.exe

description	pid	process
Token: SeDebugPrivilege	4876	vbc.exe
Token: SeDebugPrivilege	2616	CasPol.exe
Token: SeDebugPrivilege	3632	svchost.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

vbc.exeExplorer.EXEsvchost.exe

description	pid	process	target process
PID 4876 wrote to memory of 2616	4876	vbc.exe	CasPol.exe
PID 4876 wrote to memory of 2616	4876	vbc.exe	CasPol.exe
PID 4876 wrote to memory of 2616	4876	vbc.exe	CasPol.exe
PID 4876 wrote to memory of 2616	4876	vbc.exe	CasPol.exe
PID 4876 wrote to memory of 2616	4876	vbc.exe	CasPol.exe
PID 4876 wrote to memory of 2616	4876	vbc.exe	CasPol.exe
PID 2548 wrote to memory of 3632	2548	Explorer.EXE	svchost.exe
PID 2548 wrote to memory of 3632	2548	Explorer.EXE	svchost.exe
PID 2548 wrote to memory of 3632	2548	Explorer.EXE	svchost.exe
PID 3632 wrote to memory of 2116	3632	svchost.exe	Firefox.exe
PID 3632 wrote to memory of 2116	3632	svchost.exe	Firefox.exe
PID 3632 wrote to memory of 2116	3632	svchost.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2548

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:4876

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:2616

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\SysWOW64\svchost.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:3632

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:2116

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

Replay Monitor

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Downloads

memory/2548-153-0x0000000003440000-0x00000000034ED000-memory.dmp

Filesize
692KB

Download
memory/2548-151-0x0000000003440000-0x00000000034ED000-memory.dmp

Filesize
692KB

Download
memory/2548-143-0x00000000087C0000-0x0000000008962000-memory.dmp

Filesize
1.6MB

Download
memory/2616-145-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2616-134-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2616-135-0x00000000004012B0-mapping.dmp

Download
memory/2616-138-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2616-139-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/2616-141-0x0000000000B30000-0x0000000000E7A000-memory.dmp

Filesize
3.3MB

Download
memory/2616-142-0x00000000001F0000-0x0000000000200000-memory.dmp

Filesize
64KB

Download
memory/2616-146-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/3632-144-0x0000000000000000-mapping.dmp

Download
memory/3632-147-0x0000000000670000-0x000000000067E000-memory.dmp

Filesize
56KB

Download
memory/3632-149-0x0000000000530000-0x000000000055D000-memory.dmp

Filesize
180KB

Download
memory/3632-148-0x0000000001200000-0x000000000154A000-memory.dmp

Filesize
3.3MB

Download
memory/3632-150-0x0000000001090000-0x000000000111F000-memory.dmp

Filesize
572KB

Download
memory/3632-152-0x0000000000530000-0x000000000055D000-memory.dmp

Filesize
180KB

Download
memory/4876-132-0x000002BAB7660000-0x000002BAB76D4000-memory.dmp

Filesize
464KB

Download
memory/4876-137-0x00007FF8611F0000-0x00007FF861CB1000-memory.dmp

Filesize
10.8MB

Download
memory/4876-133-0x00007FF8611F0000-0x00007FF861CB1000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads