formbook | 0826413d723b10e17cb362a1e0986f6687243c1638be1bac356baa5eff6a0847

General

Target

Confirm Proforma Invoice.exe
Size

439KB
MD5

c8c984aa8535536070c90dda6d6a46a8
SHA1

431ed99f88f68b9933fbf8b642c44150565852b8
SHA256

a344590804a69e6f50c2386206d5d050db788fcd42716d1c14f77ba501e63d4e
SHA512

14d10fab4f19796e53e2075bc9b27df8f217af28d97ea250f2ae5f83421bb568bd3a58888e89ad036a4b5a4a2d3d388ffbd4f914c6f9c28e7c165f487a47c5c9
SSDEEP

12288:OCv2zv1grDRQiSSJWP7BCBkNAUqIwrk6WjL2iN:OV212BCmNAUarqn1

Score

10^/10

formbook rwo discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

rwo

Decoy

highjinxed.com

adwawattan.com

alimitlesslifeinc.com

advancedtelecom.net

metrocommunitycollege.com

modboutik.com

myfavoritethemepark.com

slimwasit.com

curlygirlrizos.com

nyshuffle.com

allovermeofficial.com

bugsy67.com

simcardtonewow.com

onlinepaints.xyz

epoxykingsofamerica.com

cbdstrata.com

liceremovalbellevue.com

bj5w.xyz

lalalae.com

glory-made.com

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/2792-14-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/2792-19-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/2792-23-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003
Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2016 set thread context of 2792	2016	Confirm Proforma Invoice.exe	100
PID 2792 set thread context of 3544	2792	vbc.exe	56
PID 2792 set thread context of 3544	2792	vbc.exe	56
PID 4892 set thread context of 3544	4892	rundll32.exe	56

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Confirm Proforma Invoice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	rundll32.exe

Suspicious behavior: EnumeratesProcesses 40 IoCs

pid	Process
2792	vbc.exe
2792	vbc.exe
2792	vbc.exe
2792	vbc.exe
2792	vbc.exe
2792	vbc.exe
4892	rundll32.exe
4892	rundll32.exe
4892	rundll32.exe
4892	rundll32.exe
4892	rundll32.exe
4892	rundll32.exe
4892	rundll32.exe
4892	rundll32.exe
4892	rundll32.exe
4892	rundll32.exe
4892	rundll32.exe
4892	rundll32.exe
4892	rundll32.exe
4892	rundll32.exe
4892	rundll32.exe
4892	rundll32.exe
4892	rundll32.exe
4892	rundll32.exe
4892	rundll32.exe
4892	rundll32.exe
4892	rundll32.exe
4892	rundll32.exe
4892	rundll32.exe
4892	rundll32.exe
4892	rundll32.exe
4892	rundll32.exe
4892	rundll32.exe
4892	rundll32.exe
4892	rundll32.exe
4892	rundll32.exe
4892	rundll32.exe
4892	rundll32.exe
4892	rundll32.exe
4892	rundll32.exe

Suspicious behavior: MapViewOfSection 8 IoCs

pid	Process
2792	vbc.exe
2792	vbc.exe
2792	vbc.exe
2792	vbc.exe
4892	rundll32.exe
4892	rundll32.exe
4892	rundll32.exe
4892	rundll32.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2792	vbc.exe
Token: SeDebugPrivilege	4892	rundll32.exe
Token: SeShutdownPrivilege	3544	Explorer.EXE
Token: SeCreatePagefilePrivilege	3544	Explorer.EXE
Token: SeShutdownPrivilege	3544	Explorer.EXE
Token: SeCreatePagefilePrivilege	3544	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2016 wrote to memory of 2792	2016	Confirm Proforma Invoice.exe	100
PID 2016 wrote to memory of 2792	2016	Confirm Proforma Invoice.exe	100
PID 2016 wrote to memory of 2792	2016	Confirm Proforma Invoice.exe	100
PID 2016 wrote to memory of 2792	2016	Confirm Proforma Invoice.exe	100
PID 2016 wrote to memory of 2792	2016	Confirm Proforma Invoice.exe	100
PID 2016 wrote to memory of 2792	2016	Confirm Proforma Invoice.exe	100
PID 3544 wrote to memory of 4892	3544	Explorer.EXE	105
PID 3544 wrote to memory of 4892	3544	Explorer.EXE	105
PID 3544 wrote to memory of 4892	3544	Explorer.EXE	105
PID 4892 wrote to memory of 764	4892	rundll32.exe	106
PID 4892 wrote to memory of 764	4892	rundll32.exe	106
PID 4892 wrote to memory of 764	4892	rundll32.exe	106
PID 4892 wrote to memory of 3800	4892	rundll32.exe	109
PID 4892 wrote to memory of 3800	4892	rundll32.exe	109
PID 4892 wrote to memory of 3800	4892	rundll32.exe	109

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3544
- C:\Users\Admin\AppData\Local\Temp\Confirm Proforma Invoice.exe
  "C:\Users\Admin\AppData\Local\Temp\Confirm Proforma Invoice.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2016
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2792
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2328
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:4852
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:3836
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1564
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\SysWOW64\rundll32.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4892
- - C:\Windows\SysWOW64\cmd.exe
    /c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
    3⤵
    - System Location Discovery: System Language Discovery
    PID:764
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:3800

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\DB1

Filesize
40KB

MD5
a182561a527f929489bf4b8f74f65cd7

SHA1
8cd6866594759711ea1836e86a5b7ca64ee8911f

SHA256
42aad7886965428a941508b776a666a4450eb658cb90e80fae1e7457fc71f914

SHA512
9bc3bf5a82f6f057e873adebd5b7a4c64adef966537ab9c565fe7c4bb3582e2e485ff993d5ab8a6002363231958fabd0933b48811371b8c155eaa74592b66558

Download Submit
C:\Users\Admin\AppData\Roaming\N72196U1\N72logim.jpeg

Filesize
83KB

MD5
e9af4a5f47942a291603b1bb2059c168

SHA1
bbb8e51b98d45a6b9fa3f0504e0937bb2f85c329

SHA256
3f302e81580fc011e9550712ce851189faf7087a5dfff4cf58a82f4a39a3fb95

SHA512
aaa194b839f8dea802c53801f5948b0c9ec8b9765391a2619ab792065fc83b79ff6213048d27cbc00a0533d087d56788fe5c21b9f188b26b834033ee5364f250

Download Submit
C:\Users\Admin\AppData\Roaming\N72196U1\N72logrf.ini

Filesize
40B

MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\N72196U1\N72logrg.ini

Filesize
38B

MD5
4aadf49fed30e4c9b3fe4a3dd6445ebe

SHA1
1e332822167c6f351b99615eada2c30a538ff037

SHA256
75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56

SHA512
eb5b3908d5e7b43ba02165e092f05578f45f15a148b4c3769036aa542c23a0f7cd2bc2770cf4119a7e437de3f681d9e398511f69f66824c516d9b451bb95f945

Download Submit
C:\Users\Admin\AppData\Roaming\N72196U1\N72logri.ini

Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\N72196U1\N72logrv.ini

Filesize
872B

MD5
bbc41c78bae6c71e63cb544a6a284d94

SHA1
33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

SHA256
ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

SHA512
0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

Download Submit
memory/2016-10-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/2016-13-0x0000000005A90000-0x0000000005AC6000-memory.dmp

Filesize
216KB

Download
memory/2016-8-0x0000000004B60000-0x0000000004B78000-memory.dmp

Filesize
96KB

Download
memory/2016-9-0x000000007508E000-0x000000007508F000-memory.dmp

Filesize
4KB

Download
memory/2016-6-0x0000000004E00000-0x0000000004E56000-memory.dmp

Filesize
344KB

Download
memory/2016-11-0x0000000005A40000-0x0000000005A96000-memory.dmp

Filesize
344KB

Download
memory/2016-12-0x0000000004DF0000-0x0000000004DF6000-memory.dmp

Filesize
24KB

Download
memory/2016-7-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/2016-5-0x0000000004B40000-0x0000000004B4A000-memory.dmp

Filesize
40KB

Download
memory/2016-16-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/2016-0-0x000000007508E000-0x000000007508F000-memory.dmp

Filesize
4KB

Download
memory/2016-4-0x0000000004BF0000-0x0000000004C82000-memory.dmp

Filesize
584KB

Download
memory/2016-3-0x00000000051A0000-0x0000000005744000-memory.dmp

Filesize
5.6MB

Download
memory/2016-2-0x0000000004A90000-0x0000000004B2C000-memory.dmp

Filesize
624KB

Download
memory/2016-1-0x0000000000040000-0x00000000000B4000-memory.dmp

Filesize
464KB

Download
memory/2792-17-0x0000000001790000-0x0000000001ADA000-memory.dmp

Filesize
3.3MB

Download
memory/2792-23-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2792-24-0x0000000001B30000-0x0000000001B44000-memory.dmp

Filesize
80KB

Download
memory/2792-20-0x0000000001770000-0x0000000001784000-memory.dmp

Filesize
80KB

Download
memory/2792-19-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2792-14-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3544-26-0x00000000080E0000-0x00000000081FD000-memory.dmp

Filesize
1.1MB

Download
memory/3544-44-0x00000000082F0000-0x0000000008454000-memory.dmp

Filesize
1.4MB

Download
memory/3544-50-0x0000000008570000-0x00000000086D3000-memory.dmp

Filesize
1.4MB

Download
memory/3544-25-0x00000000082F0000-0x0000000008454000-memory.dmp

Filesize
1.4MB

Download
memory/3544-21-0x00000000080E0000-0x00000000081FD000-memory.dmp

Filesize
1.1MB

Download
memory/4892-27-0x0000000000FF0000-0x0000000001004000-memory.dmp

Filesize
80KB

Download
memory/4892-29-0x0000000000FF0000-0x0000000001004000-memory.dmp

Filesize
80KB

Download

Analysis

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