Analysis
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max time kernel
150s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
07-07-2022 04:24
Static task
static1
Behavioral task
behavioral1
Sample
INVOICE xlsx.exe
Resource
win7-20220414-en
General
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Target
INVOICE xlsx.exe
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Size
661KB
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MD5
c3d9581dfe9bc99d5999828f4177b264
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SHA1
42f526e8bcae0f3e6404e9bed89431cd6b5c9fa4
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SHA256
b88777182ffbc0f28b68902a00f0b8a51b8dee4ef0104720a9ca92e18d920d81
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SHA512
d0c71bbc6b363cda4f2e686eb40e8b3295e7f6a43d42aaeecc5a99a64a7960a5d2594733af336aca1dd1204d2abec3f9311ccbb4db53894c95c818bc21248671
Malware Config
Extracted
xloader
2.6
t20a
ovewaci.com
explorebantentravel.com
productdesigninfo.com
harlis-kapitol.com
amishaentertainment.com
lauraheagy.com
sjg-central.xyz
amberdreamscattery.com
4848caomm2.com
a1brts.com
americareambulance.com
geekplusrobots.com
wiggitywack.com
baileyit.com
1dayshade.com
dergburo.com
aljeb.com
winnerisserved.com
safetyutilityeng.com
pchconsumerwinneralert.com
graphicartaward.com
evantox.com
apjiuyun.com
rwc2027.net
365max1.com
congfujk.com
ionutmuresan.com
apartpay.site
best-tools.info
luxerealty.info
wendelcomqanies.com
moyulianmeng.com
renrenjucais88.com
xn--stg.com
panthorturnkey.com
flockbot.xyz
spiderteckstudios.com
0951ebhk.com
sonicminute.net
officialsafeharness.com
usawaxing.com
magazadepom.xyz
mukundplaza.tech
good-feeling.biz
yeyeps.com
huxiaosheji.com
ardennes-2022.com
etair-norway.com
app-polingons.site
holistic.photos
syfwzd.com
bochanghaxi.club
keypoker.online
porogi-zamena-minsk.site
gocomplement.com
chengrenxx.life
sanderscastle.com
quiztwiz.com
mightypixel.media
tersaara.com
howtostock.com
oopsiedaisyposies.com
rumersblooms.com
tutolitas.com
enablemhasis.com
Signatures
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suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
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suricata: ET MALWARE FormBook CnC Checkin (POST) M2
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
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Xloader Payload 4 IoCs
Processes:
resource yara_rule behavioral2/memory/4964-137-0x0000000000400000-0x000000000042B000-memory.dmp xloader behavioral2/memory/4964-143-0x0000000000400000-0x000000000042B000-memory.dmp xloader behavioral2/memory/1400-146-0x0000000000680000-0x00000000006AB000-memory.dmp xloader behavioral2/memory/1400-150-0x0000000000680000-0x00000000006AB000-memory.dmp xloader -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 2 IoCs
Processes:
ipconfig.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JJITMNSXGVE = "C:\\Program Files (x86)\\Bwxc\\0ldd0jwtbn.exe" ipconfig.exe Key created \Registry\Machine\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run ipconfig.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
INVOICE xlsx.exeINVOICE xlsx.exeipconfig.exedescription pid process target process PID 1460 set thread context of 4964 1460 INVOICE xlsx.exe INVOICE xlsx.exe PID 4964 set thread context of 1504 4964 INVOICE xlsx.exe Explorer.EXE PID 1400 set thread context of 1504 1400 ipconfig.exe Explorer.EXE -
Drops file in Program Files directory 1 IoCs
Processes:
ipconfig.exedescription ioc process File opened for modification C:\Program Files (x86)\Bwxc\0ldd0jwtbn.exe ipconfig.exe -
Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.
Processes:
ipconfig.exepid process 1400 ipconfig.exe -
Processes:
ipconfig.exedescription ioc process Key created \Registry\User\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2 ipconfig.exe -
Suspicious behavior: EnumeratesProcesses 34 IoCs
Processes:
INVOICE xlsx.exeipconfig.exepid process 4964 INVOICE xlsx.exe 4964 INVOICE xlsx.exe 4964 INVOICE xlsx.exe 4964 INVOICE xlsx.exe 1400 ipconfig.exe 1400 ipconfig.exe 1400 ipconfig.exe 1400 ipconfig.exe 1400 ipconfig.exe 1400 ipconfig.exe 1400 ipconfig.exe 1400 ipconfig.exe 1400 ipconfig.exe 1400 ipconfig.exe 1400 ipconfig.exe 1400 ipconfig.exe 1400 ipconfig.exe 1400 ipconfig.exe 1400 ipconfig.exe 1400 ipconfig.exe 1400 ipconfig.exe 1400 ipconfig.exe 1400 ipconfig.exe 1400 ipconfig.exe 1400 ipconfig.exe 1400 ipconfig.exe 1400 ipconfig.exe 1400 ipconfig.exe 1400 ipconfig.exe 1400 ipconfig.exe 1400 ipconfig.exe 1400 ipconfig.exe 1400 ipconfig.exe 1400 ipconfig.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
Explorer.EXEpid process 1504 Explorer.EXE -
Suspicious behavior: MapViewOfSection 7 IoCs
Processes:
INVOICE xlsx.exeipconfig.exepid process 4964 INVOICE xlsx.exe 4964 INVOICE xlsx.exe 4964 INVOICE xlsx.exe 1400 ipconfig.exe 1400 ipconfig.exe 1400 ipconfig.exe 1400 ipconfig.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
INVOICE xlsx.exeipconfig.exedescription pid process Token: SeDebugPrivilege 4964 INVOICE xlsx.exe Token: SeDebugPrivilege 1400 ipconfig.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
INVOICE xlsx.exeExplorer.EXEipconfig.exedescription pid process target process PID 1460 wrote to memory of 4964 1460 INVOICE xlsx.exe INVOICE xlsx.exe PID 1460 wrote to memory of 4964 1460 INVOICE xlsx.exe INVOICE xlsx.exe PID 1460 wrote to memory of 4964 1460 INVOICE xlsx.exe INVOICE xlsx.exe PID 1460 wrote to memory of 4964 1460 INVOICE xlsx.exe INVOICE xlsx.exe PID 1460 wrote to memory of 4964 1460 INVOICE xlsx.exe INVOICE xlsx.exe PID 1460 wrote to memory of 4964 1460 INVOICE xlsx.exe INVOICE xlsx.exe PID 1504 wrote to memory of 1400 1504 Explorer.EXE ipconfig.exe PID 1504 wrote to memory of 1400 1504 Explorer.EXE ipconfig.exe PID 1504 wrote to memory of 1400 1504 Explorer.EXE ipconfig.exe PID 1400 wrote to memory of 3792 1400 ipconfig.exe cmd.exe PID 1400 wrote to memory of 3792 1400 ipconfig.exe cmd.exe PID 1400 wrote to memory of 3792 1400 ipconfig.exe cmd.exe PID 1400 wrote to memory of 1068 1400 ipconfig.exe cmd.exe PID 1400 wrote to memory of 1068 1400 ipconfig.exe cmd.exe PID 1400 wrote to memory of 1068 1400 ipconfig.exe cmd.exe PID 1400 wrote to memory of 2504 1400 ipconfig.exe cmd.exe PID 1400 wrote to memory of 2504 1400 ipconfig.exe cmd.exe PID 1400 wrote to memory of 2504 1400 ipconfig.exe cmd.exe PID 1400 wrote to memory of 4580 1400 ipconfig.exe Firefox.exe PID 1400 wrote to memory of 4580 1400 ipconfig.exe Firefox.exe PID 1400 wrote to memory of 4580 1400 ipconfig.exe Firefox.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\INVOICE xlsx.exe"C:\Users\Admin\AppData\Local\Temp\INVOICE xlsx.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\INVOICE xlsx.exe"C:\Users\Admin\AppData\Local\Temp\INVOICE xlsx.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\ipconfig.exe"C:\Windows\SysWOW64\ipconfig.exe"2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Gathers network information
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe/c del "C:\Users\Admin\AppData\Local\Temp\INVOICE xlsx.exe"3⤵
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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" /V3⤵
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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" /V3⤵
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C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe"3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\DB1Filesize
40KB
MD5b608d407fc15adea97c26936bc6f03f6
SHA1953e7420801c76393902c0d6bb56148947e41571
SHA256b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf
SHA512cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4
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C:\Users\Admin\AppData\Local\Temp\DB1Filesize
48KB
MD5349e6eb110e34a08924d92f6b334801d
SHA1bdfb289daff51890cc71697b6322aa4b35ec9169
SHA256c9fd7be4579e4aa942e8c2b44ab10115fa6c2fe6afd0c584865413d9d53f3b2a
SHA5122a635b815a5e117ea181ee79305ee1baf591459427acc5210d8c6c7e447be3513ead871c605eb3d32e4ab4111b2a335f26520d0ef8c1245a4af44e1faec44574
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memory/1068-152-0x0000000000000000-mapping.dmp
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memory/1400-150-0x0000000000680000-0x00000000006AB000-memory.dmpFilesize
172KB
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memory/1400-148-0x0000000000D30000-0x0000000000DC0000-memory.dmpFilesize
576KB
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memory/1400-147-0x0000000000DE0000-0x000000000112A000-memory.dmpFilesize
3.3MB
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memory/1400-146-0x0000000000680000-0x00000000006AB000-memory.dmpFilesize
172KB
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memory/1400-145-0x0000000000020000-0x000000000002B000-memory.dmpFilesize
44KB
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memory/1400-142-0x0000000000000000-mapping.dmp
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memory/1460-135-0x0000000001410000-0x0000000001476000-memory.dmpFilesize
408KB
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memory/1460-130-0x0000000000C10000-0x0000000000CBC000-memory.dmpFilesize
688KB
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memory/1460-134-0x0000000007DD0000-0x0000000007E6C000-memory.dmpFilesize
624KB
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memory/1460-133-0x0000000005500000-0x000000000550A000-memory.dmpFilesize
40KB
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memory/1460-132-0x0000000005570000-0x0000000005602000-memory.dmpFilesize
584KB
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memory/1460-131-0x0000000005A80000-0x0000000006024000-memory.dmpFilesize
5.6MB
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memory/1504-141-0x0000000007C90000-0x0000000007E34000-memory.dmpFilesize
1.6MB
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memory/1504-151-0x0000000008000000-0x000000000813A000-memory.dmpFilesize
1.2MB
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memory/1504-149-0x0000000008000000-0x000000000813A000-memory.dmpFilesize
1.2MB
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memory/2504-154-0x0000000000000000-mapping.dmp
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memory/3792-144-0x0000000000000000-mapping.dmp
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memory/4964-136-0x0000000000000000-mapping.dmp
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memory/4964-143-0x0000000000400000-0x000000000042B000-memory.dmpFilesize
172KB
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memory/4964-140-0x0000000000DB0000-0x0000000000DC1000-memory.dmpFilesize
68KB
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memory/4964-139-0x0000000000E40000-0x000000000118A000-memory.dmpFilesize
3.3MB
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memory/4964-137-0x0000000000400000-0x000000000042B000-memory.dmpFilesize
172KB