formbook | 3354e76881fabfeb201fc956e0e8f7c7a522f4e12ce971f290b58084c6dd04ea

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
19/05/2022, 06:11

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General

Target
PAYMENT_.exe
Size 240KB
Sample220519-gxledseffn
SHA256 4b9c6211bbd01950f10d8a2ea7ac75ef380c1d4f88a1b5a9e55b6fdf09d3f603
MD5 59e0f7de7669e7839cf29bb73434f2c3
SHA1 749079b62d1ec92c6d4abe1ca9a7a02547c10d15
SHA512 0f4806b67eaee33ad85a930d636eccacf5b19492e7f48b27fab5518be47e4d8f4e5a3ee03cd9ea60fff2b0da20e5e0f4eb54c8b219db0278894bccb099dc0379
MD5 SHA1 SHA512

Score

10^/10

formbook xloader few9 loader rat spyware stealer suricata trojan

Malware Config

Extracted

Family

xloader

Version

Campaign

few9

Decoy

philosophie.contact
yigags2ppqtpefprbjak.com
presale-stepn.com
cubicolwuadalupe.com
new-effort.com
accesencoboutique.com
online-vn.xyz
everthingqimmahrusso.com
bhrefppropertymanagement.net
seobjyh.com
idhost.cloud
gleamingthegibson.com
video388.com
089842.com
lornch.com
dpsjzp.com
sxatqz.com
by-shay-paris.com
aztriallawyers.com
smonique.com
henanshuxiang.com
dr6tub.xyz
interestparadise.com
twistedmischief.online
antiaristocratical.info
agoraotha.com
boostgameshop.com
3camp.xyz
dk8agspf0t07bp.xyz
eaglespacesolutions.com
oasisofopal.com
crystallchm.com
nonstrappedmedia.club
partimeonline69.xyz
fatturasemplice.cloud
xatha.xyz
berkscountyvehiclewraps.com
totigi-0005.xyz
carshop-funnel.com
gzsupu.com
connectpharmacare.online
parkerest.com
xn--xhq326awpvvga.com
kushischool.com
goldenwaveinvestments.com
crane.ink
awesomelist.xyz
esjieunkim.com
myniku.com
midyattaksiduragi.com
gettetro.com
tuganiapparel.com
baycothersidemint.com
pornpriestess.com
instapaid.xyz
rhondasbabyclothing.com
gooddayes.store
innokuneva.com
redclouddefense.com
tmx333.com
czhlvshi.com
fearthebison.com
eszybazzar.com
wavicism.store
royalkingcourierandcargo.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
suricata

Xloader Payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/1512-136-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral2/memory/1512-139-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral2/memory/824-145-0x0000000001010000-0x000000000103B000-memory.dmp	xloader

Executes dropped EXE 2 IoCs

pid	Process
3988	qzcaqasg.exe
1512	qzcaqasg.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3988 set thread context of 1512	3988	qzcaqasg.exe	79
PID 1512 set thread context of 2604	1512	qzcaqasg.exe	54
PID 824 set thread context of 2604	824	NETSTAT.EXE	54

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command-Line Interface

T1059

pid	Process
824	NETSTAT.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
1512	qzcaqasg.exe
1512	qzcaqasg.exe
1512	qzcaqasg.exe
1512	qzcaqasg.exe
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2604	Explorer.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
1512	qzcaqasg.exe
1512	qzcaqasg.exe
1512	qzcaqasg.exe
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE
824	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1512	qzcaqasg.exe
Token: SeDebugPrivilege	824	NETSTAT.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 3988	2208	PAYMENT_.exe	77
PID 2208 wrote to memory of 3988	2208	PAYMENT_.exe	77
PID 2208 wrote to memory of 3988	2208	PAYMENT_.exe	77
PID 3988 wrote to memory of 1512	3988	qzcaqasg.exe	79
PID 3988 wrote to memory of 1512	3988	qzcaqasg.exe	79
PID 3988 wrote to memory of 1512	3988	qzcaqasg.exe	79
PID 3988 wrote to memory of 1512	3988	qzcaqasg.exe	79
PID 3988 wrote to memory of 1512	3988	qzcaqasg.exe	79
PID 3988 wrote to memory of 1512	3988	qzcaqasg.exe	79
PID 2604 wrote to memory of 824	2604	Explorer.EXE	80
PID 2604 wrote to memory of 824	2604	Explorer.EXE	80
PID 2604 wrote to memory of 824	2604	Explorer.EXE	80
PID 824 wrote to memory of 1032	824	NETSTAT.EXE	88
PID 824 wrote to memory of 1032	824	NETSTAT.EXE	88
PID 824 wrote to memory of 1032	824	NETSTAT.EXE	88
PID 824 wrote to memory of 3988	824	NETSTAT.EXE	90
PID 824 wrote to memory of 3988	824	NETSTAT.EXE	90
PID 824 wrote to memory of 3988	824	NETSTAT.EXE	90
PID 824 wrote to memory of 1044	824	NETSTAT.EXE	92
PID 824 wrote to memory of 1044	824	NETSTAT.EXE	92
PID 824 wrote to memory of 1044	824	NETSTAT.EXE	92

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2604
- C:\Users\Admin\AppData\Local\Temp\PAYMENT_.exe
  "C:\Users\Admin\AppData\Local\Temp\PAYMENT_.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2208
- - C:\Users\Admin\AppData\Local\Temp\qzcaqasg.exe
    C:\Users\Admin\AppData\Local\Temp\qzcaqasg.exe C:\Users\Admin\AppData\Local\Temp\rknosly
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:3988
  - - C:\Users\Admin\AppData\Local\Temp\qzcaqasg.exe
      C:\Users\Admin\AppData\Local\Temp\qzcaqasg.exe C:\Users\Admin\AppData\Local\Temp\rknosly
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:1512
- C:\Windows\SysWOW64\NETSTAT.EXE
  "C:\Windows\SysWOW64\NETSTAT.EXE"
  2⤵
  - Suspicious use of SetThreadContext
  - Gathers network information
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:824
- - 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⤵
    PID:1032
- - C:\Windows\SysWOW64\cmd.exe
    /c copy "C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
    3⤵
    PID:3988
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:1044

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Command-Line Interface

T1059

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

DB1

Path C:\Users\Admin\AppData\Local\Temp\DB1
Size 40KB
SHA256 b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf
MD5 b608d407fc15adea97c26936bc6f03f6
SHA1 953e7420801c76393902c0d6bb56148947e41571
SHA512 cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4
SSDEEP 48:2j3WBA+IIYICVEq8MX0D0HSFlNUK6lGNxGt7KLk8s8LKvUf9KVyJ7hU:u2FCn8MZyFlulGNxGt7KLyeymw
MD5 SHA1 SHA512 SSDEEP

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DB1

Path C:\Users\Admin\AppData\Local\Temp\DB1
Size 48KB
SHA256 c9fd7be4579e4aa942e8c2b44ab10115fa6c2fe6afd0c584865413d9d53f3b2a
MD5 349e6eb110e34a08924d92f6b334801d
SHA1 bdfb289daff51890cc71697b6322aa4b35ec9169
SHA512 2a635b815a5e117ea181ee79305ee1baf591459427acc5210d8c6c7e447be3513ead871c605eb3d32e4ab4111b2a335f26520d0ef8c1245a4af44e1faec44574
SSDEEP 96:uRMKLyeymwxCn8MZyFlSynlbiXyKwt8hG:uRkxGOXnlbibhG
MD5 SHA1 SHA512 SSDEEP

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qzcaqasg.exe

Path C:\Users\Admin\AppData\Local\Temp\qzcaqasg.exe
Size 4KB
SHA256 d98229573b9e457dd37082f9127e925f570930b7941904c97d1115ff9817daf7
MD5 34ea0f09775394cb552871911810515d
SHA1 249ecaec07b91d8b6e65bcb74b8ca477a9dc1c13
SHA512 5c5b44004d26f2b01967b420750f99790bcbe02ab9b4ad72eefc8819d56ebf2049c73bd35f34df7f490f013672235cc14a6d82121aff1fdbf27be4786b2575e7
MD5 SHA1 SHA512

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qzcaqasg.exe

Path C:\Users\Admin\AppData\Local\Temp\qzcaqasg.exe
Size 4KB
SHA256 d98229573b9e457dd37082f9127e925f570930b7941904c97d1115ff9817daf7
MD5 34ea0f09775394cb552871911810515d
SHA1 249ecaec07b91d8b6e65bcb74b8ca477a9dc1c13
SHA512 5c5b44004d26f2b01967b420750f99790bcbe02ab9b4ad72eefc8819d56ebf2049c73bd35f34df7f490f013672235cc14a6d82121aff1fdbf27be4786b2575e7
MD5 SHA1 SHA512

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qzcaqasg.exe

Path C:\Users\Admin\AppData\Local\Temp\qzcaqasg.exe
Size 4KB
SHA256 d98229573b9e457dd37082f9127e925f570930b7941904c97d1115ff9817daf7
MD5 34ea0f09775394cb552871911810515d
SHA1 249ecaec07b91d8b6e65bcb74b8ca477a9dc1c13
SHA512 5c5b44004d26f2b01967b420750f99790bcbe02ab9b4ad72eefc8819d56ebf2049c73bd35f34df7f490f013672235cc14a6d82121aff1fdbf27be4786b2575e7
MD5 SHA1 SHA512

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rknosly

Path C:\Users\Admin\AppData\Local\Temp\rknosly
Size 4KB
SHA256 d42ac4ead42be11967d106fe5803e3a36e186ba352b508e1da3089f29dade9ff
MD5 bbfeef1d851fb4ff9585766d88f05fc3
SHA1 974d8d7c41307f8385097606c379e7ffcb3092e5
SHA512 14ae1212ac99f40364404aea9f2f053ec2990f67837aa078944afa2d3663d5a10aff478fdc1795ef678a73c785d8e09a7dc05ff58b049be507539519c3e70970
SSDEEP 96:54g0/dhs50LvbTgC5w16ZGlBUozYociKu/DwrQhLVgR:54ZHc0rbTgX16olBUozSpu/DYUc
MD5 SHA1 SHA512 SSDEEP

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tazcmlg452

Path C:\Users\Admin\AppData\Local\Temp\tazcmlg452
Size 171KB
SHA256 305fea6ec46d14ca227a9789743ba671f7beb9e9b038f5ec9ffb0eff05036a55
MD5 be3f2bc9967729330a246c1f6131c110
SHA1 9e9b71798cebf3947d391e43b1ab63d0cde44c93
SHA512 3e07d2d0569d39b5719a82594e30d488f10b88fec72f75e92589d9e0da98ae4e52baa9f931c04076b7f6944fc19f1f5a06fa73eb61facf7c315e3220630f7634
SSDEEP 3072:LpttttttttttttttnSsqLRRUdwEUflwoNfwjs1iWppsGf467ByZi2OO3fPgr/LQ7:lttttttttttttttnSLsdw0Gfw6iUpfH6
MD5 SHA1 SHA512 SSDEEP

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memory/824-145-0x0000000001010000-0x000000000103B000-memory.dmp

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memory/824-147-0x0000000001580000-0x0000000001610000-memory.dmp

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memory/824-146-0x00000000016F0000-0x0000000001A3A000-memory.dmp

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memory/824-144-0x00000000004C0000-0x00000000004CB000-memory.dmp

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memory/1512-141-0x00000000004F0000-0x0000000000501000-memory.dmp

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memory/1512-140-0x0000000000AA0000-0x0000000000DEA000-memory.dmp

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memory/1512-139-0x0000000000400000-0x000000000042B000-memory.dmp

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memory/1512-136-0x0000000000400000-0x000000000042B000-memory.dmp

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memory/2604-142-0x00000000082D0000-0x0000000008460000-memory.dmp

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memory/2604-148-0x00000000084E0000-0x000000000866C000-memory.dmp

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