formbook | 4ac982ea35522a13de30ff7ddbbec9becf2c7528a48f0aff377e3d6758a7ae7b

Analysis

max time kernel
149s
max time network
144s
platform
windows7_x64
resource
win7-20220414-en
submitted
13/05/2022, 22:37

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General

Target
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.2.8452.exe
Size 418KB
Sample220513-2jsa1afagk
SHA256 4ac982ea35522a13de30ff7ddbbec9becf2c7528a48f0aff377e3d6758a7ae7b
MD5 14848f52302c15e27b26fee5fada11c1
SHA1 04d62d915bd1a81c4b5ed35df6edb953107398c8
SHA512 aee08da4569bc969db4c086cb89950e311aaab9bf94677d9ba532b256ed5a29cc5942d48ca7c58ec8bee095d8e84b1f91935d61a9c601e1f9950c93a4ddd99c3
MD5 SHA1 SHA512

Score

10^/10

formbook xloader p0ip loader persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

xloader

Version

Campaign

p0ip

Decoy

webberkerr.com
lelezhuanshu.xyz
weedformellc.com
ikzoekeenbedrijfsruimte.com
swahlove.com
dubaidesertsafari.travel
atozmedicalimages.com
uniytriox.com
clickyourcat.com
shandun-safety.com
pakmart.center
roxxiesixx.com
twistedtaqueriachicago.com
studynursingaustralia.online
wellnesstestinggroup.com
justusebias.com
yqvzs.com
co1l7o8vy.com
lightning.legal
cardamagescanner.com
megawatchinc.com
sadebademli.com
bcoky.com
unleashingyou-lifecoaching.com
epsubtitles.online
susanpetersonrealty.com
gdderui.com
claris-studio.cloud
cryptomnis.com
1ens.domains
localbusinessassets.com
et9n7e4vf.com
quoteypants.com
bokepremaja18.biz
xiangqinmao.com
lilot-pland45.site
exilings.com
nft-id.net
sport-outdoorpacks.com
plnykosik.online
cidesadelcentro.com
stunning-black.xyz
zoeyunker.com
videogamesgroup.com
autodnstest.com
bookworms.store
69817269.com
one-session22-lp.com
modelofindia.com
kennnyshands.com
otopenishop.net
freegameswithoutdownload.online
alaskanwave.net
tjkt8.com
abv.wiki
protoncarsale.com
zhipurc.com
psicologamoderna.com
hidinginplainsight.digital
cuamini-trankien.xyz
yustunning.com
apeironpay.xyz
allowdrops.xyz
allyouneedstore.xyz
beamaster.info

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

Xloader Payload 4 IoCs

rat

resource	yara_rule
behavioral1/memory/2000-63-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral1/memory/2000-64-0x000000000041F250-mapping.dmp	xloader
behavioral1/memory/2000-67-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral1/memory/2008-74-0x0000000000070000-0x000000000009B000-memory.dmp	xloader

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\JRKTND2H9BE = "C:\\Program Files (x86)\\Badll_reh\\mfcafilu.exe"	wscript.exe

Executes dropped EXE 2 IoCs

pid	Process
2028	miylwnpd.exe
2000	miylwnpd.exe

Loads dropped DLL 2 IoCs

pid	Process
388	SecuriteInfo.com.Trojan.NSISX.Spy.Gen.2.8452.exe
2028	miylwnpd.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 2028 set thread context of 2000	2028	miylwnpd.exe	29
PID 2000 set thread context of 1272	2000	miylwnpd.exe	17
PID 2008 set thread context of 1272	2008	wscript.exe	17

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Badll_reh\mfcafilu.exe	wscript.exe

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-1819626980-2277161760-1023733287-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	wscript.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

pid	Process
2000	miylwnpd.exe
2000	miylwnpd.exe
2008	wscript.exe
2008	wscript.exe
2008	wscript.exe
2008	wscript.exe
2008	wscript.exe
2008	wscript.exe
2008	wscript.exe
2008	wscript.exe
2008	wscript.exe
2008	wscript.exe
2008	wscript.exe
2008	wscript.exe
2008	wscript.exe
2008	wscript.exe
2008	wscript.exe
2008	wscript.exe
2008	wscript.exe
2008	wscript.exe
2008	wscript.exe
2008	wscript.exe
2008	wscript.exe
2008	wscript.exe
2008	wscript.exe
2008	wscript.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
2000	miylwnpd.exe
2000	miylwnpd.exe
2000	miylwnpd.exe
2008	wscript.exe
2008	wscript.exe
2008	wscript.exe
2008	wscript.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2000	miylwnpd.exe
Token: SeDebugPrivilege	2008	wscript.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1272	Explorer.EXE
1272	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1272	Explorer.EXE
1272	Explorer.EXE

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 388 wrote to memory of 2028	388	SecuriteInfo.com.Trojan.NSISX.Spy.Gen.2.8452.exe	28
PID 388 wrote to memory of 2028	388	SecuriteInfo.com.Trojan.NSISX.Spy.Gen.2.8452.exe	28
PID 388 wrote to memory of 2028	388	SecuriteInfo.com.Trojan.NSISX.Spy.Gen.2.8452.exe	28
PID 388 wrote to memory of 2028	388	SecuriteInfo.com.Trojan.NSISX.Spy.Gen.2.8452.exe	28
PID 2028 wrote to memory of 2000	2028	miylwnpd.exe	29
PID 2028 wrote to memory of 2000	2028	miylwnpd.exe	29
PID 2028 wrote to memory of 2000	2028	miylwnpd.exe	29
PID 2028 wrote to memory of 2000	2028	miylwnpd.exe	29
PID 2028 wrote to memory of 2000	2028	miylwnpd.exe	29
PID 2028 wrote to memory of 2000	2028	miylwnpd.exe	29
PID 2028 wrote to memory of 2000	2028	miylwnpd.exe	29
PID 1272 wrote to memory of 2008	1272	Explorer.EXE	30
PID 1272 wrote to memory of 2008	1272	Explorer.EXE	30
PID 1272 wrote to memory of 2008	1272	Explorer.EXE	30
PID 1272 wrote to memory of 2008	1272	Explorer.EXE	30
PID 2008 wrote to memory of 1964	2008	wscript.exe	31
PID 2008 wrote to memory of 1964	2008	wscript.exe	31
PID 2008 wrote to memory of 1964	2008	wscript.exe	31
PID 2008 wrote to memory of 1964	2008	wscript.exe	31
PID 2008 wrote to memory of 112	2008	wscript.exe	34
PID 2008 wrote to memory of 112	2008	wscript.exe	34
PID 2008 wrote to memory of 112	2008	wscript.exe	34
PID 2008 wrote to memory of 112	2008	wscript.exe	34
PID 2008 wrote to memory of 112	2008	wscript.exe	34

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer	wscript.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1272
- C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.NSISX.Spy.Gen.2.8452.exe
  "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.NSISX.Spy.Gen.2.8452.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:388
- - C:\Users\Admin\AppData\Local\Temp\miylwnpd.exe
    C:\Users\Admin\AppData\Local\Temp\miylwnpd.exe C:\Users\Admin\AppData\Local\Temp\zehirtbl
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:2028
  - - C:\Users\Admin\AppData\Local\Temp\miylwnpd.exe
      C:\Users\Admin\AppData\Local\Temp\miylwnpd.exe C:\Users\Admin\AppData\Local\Temp\zehirtbl
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:2000
- C:\Windows\SysWOW64\wscript.exe
  "C:\Windows\SysWOW64\wscript.exe"
  2⤵
  - Adds policy Run key to start application
  - Suspicious use of SetThreadContext
  - Drops file in Program Files directory
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:2008
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\miylwnpd.exe"
    3⤵
    PID:1964
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:112

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

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

miylwnpd.exe

Path C:\Users\Admin\AppData\Local\Temp\miylwnpd.exe
Size 78KB
SHA256 38dd484e87fbd4520a99ead1fdc0010f45a3d5f8a22b1bbd01e3fcbd56104ab3
MD5 ff4c2f4d6e1fa34e8b958993c0de134d
SHA1 8e8de477ad67e1b107396b8b9be749363ef10640
SHA512 d64482ab140944cf138e47914efd3ee2362e0fe98d519a89eae6d31e03e9c51bfcbb4d44ba634526f393613f0ad8c14971ba240dbf2560bc57ff1c3705967f36
SSDEEP 1536:XsTaC+v1CUfr0oxAomP3cX/4pi2sWjcdjXI:ua5wUD1/ui5j4
MD5 SHA1 SHA512 SSDEEP

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miylwnpd.exe

Path C:\Users\Admin\AppData\Local\Temp\miylwnpd.exe
Size 78KB
SHA256 38dd484e87fbd4520a99ead1fdc0010f45a3d5f8a22b1bbd01e3fcbd56104ab3
MD5 ff4c2f4d6e1fa34e8b958993c0de134d
SHA1 8e8de477ad67e1b107396b8b9be749363ef10640
SHA512 d64482ab140944cf138e47914efd3ee2362e0fe98d519a89eae6d31e03e9c51bfcbb4d44ba634526f393613f0ad8c14971ba240dbf2560bc57ff1c3705967f36
SSDEEP 1536:XsTaC+v1CUfr0oxAomP3cX/4pi2sWjcdjXI:ua5wUD1/ui5j4
MD5 SHA1 SHA512 SSDEEP

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miylwnpd.exe

Path C:\Users\Admin\AppData\Local\Temp\miylwnpd.exe
Size 78KB
SHA256 38dd484e87fbd4520a99ead1fdc0010f45a3d5f8a22b1bbd01e3fcbd56104ab3
MD5 ff4c2f4d6e1fa34e8b958993c0de134d
SHA1 8e8de477ad67e1b107396b8b9be749363ef10640
SHA512 d64482ab140944cf138e47914efd3ee2362e0fe98d519a89eae6d31e03e9c51bfcbb4d44ba634526f393613f0ad8c14971ba240dbf2560bc57ff1c3705967f36
SSDEEP 1536:XsTaC+v1CUfr0oxAomP3cX/4pi2sWjcdjXI:ua5wUD1/ui5j4
MD5 SHA1 SHA512 SSDEEP

Submit Download

qaodb6jx48te

Path C:\Users\Admin\AppData\Local\Temp\qaodb6jx48te
Size 171KB
SHA256 f203f8db5cfd1e17d03dd57ba2766f15f2a189e80080089c673bed271c87cdb7
MD5 6eb3509f6e43eea8950adbc156a96248
SHA1 019a49c79cfb4503f005ba4347fd5ebf8c99718e
SHA512 95f99448679a60b2707de05e3d348cfb4f6e4112e2780ed53cc6e540c7493a0169316ebeaf992274d4474b8f36fea5357cd2794ad8aa77cc6fec2c48cc892cd9
SSDEEP 3072:2vonGilTM+lGDSQ7923iyT+7EqtxRuNfpzqk2POHpfA6zY:2von9M+0eQ79IoTtcC6fA6zY
MD5 SHA1 SHA512 SSDEEP

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zehirtbl

Path C:\Users\Admin\AppData\Local\Temp\zehirtbl
Size 5KB
SHA256 942bd175d04b7c5567eb7f3eabc39866736b8922c68539d16da9a32a839b5820
MD5 acb8234d1d848397ec3b1eb59a25ac91
SHA1 7d17f048ddc6d19a40898b6079d36e0e1bdab195
SHA512 601ca88b29149b9ddadecf29bbbbaae1b626b84ae8c7bd580eb7bdf64fb3cdc9cd20563efaea229640194ce27684024ea62c8de148e81cc045c40e9afcb77459
SSDEEP 96:BXrtcxDxcjguWPxAcgUAyF1DQHWF3yW5SSn/MLmyJo3XFWDNbxUuyFxFV04mxkzq:2WguW5TAquH8cSn/MLmyJo3XFWZAFnRw
MD5 SHA1 SHA512 SSDEEP

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miylwnpd.exe

Path \Users\Admin\AppData\Local\Temp\miylwnpd.exe
Size 78KB
SHA256 38dd484e87fbd4520a99ead1fdc0010f45a3d5f8a22b1bbd01e3fcbd56104ab3
MD5 ff4c2f4d6e1fa34e8b958993c0de134d
SHA1 8e8de477ad67e1b107396b8b9be749363ef10640
SHA512 d64482ab140944cf138e47914efd3ee2362e0fe98d519a89eae6d31e03e9c51bfcbb4d44ba634526f393613f0ad8c14971ba240dbf2560bc57ff1c3705967f36
SSDEEP 1536:XsTaC+v1CUfr0oxAomP3cX/4pi2sWjcdjXI:ua5wUD1/ui5j4
MD5 SHA1 SHA512 SSDEEP

Submit Download

miylwnpd.exe

Path \Users\Admin\AppData\Local\Temp\miylwnpd.exe
Size 78KB
SHA256 38dd484e87fbd4520a99ead1fdc0010f45a3d5f8a22b1bbd01e3fcbd56104ab3
MD5 ff4c2f4d6e1fa34e8b958993c0de134d
SHA1 8e8de477ad67e1b107396b8b9be749363ef10640
SHA512 d64482ab140944cf138e47914efd3ee2362e0fe98d519a89eae6d31e03e9c51bfcbb4d44ba634526f393613f0ad8c14971ba240dbf2560bc57ff1c3705967f36
SSDEEP 1536:XsTaC+v1CUfr0oxAomP3cX/4pi2sWjcdjXI:ua5wUD1/ui5j4
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/388-54-0x0000000076C81000-0x0000000076C83000-memory.dmp

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memory/1272-70-0x0000000006520000-0x00000000065FE000-memory.dmp

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memory/1272-77-0x0000000006A10000-0x0000000006B85000-memory.dmp

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memory/2000-63-0x0000000000400000-0x000000000042B000-memory.dmp

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memory/2000-68-0x0000000000860000-0x0000000000B63000-memory.dmp

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memory/2000-69-0x0000000000130000-0x0000000000141000-memory.dmp

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memory/2000-67-0x0000000000400000-0x000000000042B000-memory.dmp

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memory/2008-74-0x0000000000070000-0x000000000009B000-memory.dmp

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memory/2008-73-0x0000000000AE0000-0x0000000000B06000-memory.dmp

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memory/2008-75-0x0000000002230000-0x0000000002533000-memory.dmp

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memory/2008-76-0x0000000000480000-0x0000000000510000-memory.dmp

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