Analysis
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max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
16/06/2022, 09:43
Static task
static1
Behavioral task
behavioral1
Sample
SR20220600525003,pdf.exe
Resource
win7-20220414-en
General
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Target
SR20220600525003,pdf.exe
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Size
236KB
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MD5
9bb6e1be7a871997359c19c8559cabf3
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SHA1
a3aff540f8c1af33ea7a215e303bdbe0a131c7c6
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SHA256
00468491177bab4d715685cc174538ff0a3c15cdf0b679c7d163b89e3b8d2421
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SHA512
ef65c69b16f636ba4ea8c48a51778643a6a4b437d36d481ba31e723b7c1d8645983ca83a91fdfca805a715300f1d42374ccf1c72fec93552a39a5dc408e0d23a
Malware Config
Extracted
xloader
2.6
tn61
ryliehorrall.art
mesdco.net
street-art-ink.com
sepetcin.com
stilghar.com
hawaiipooltiles.com
fuerst-von-falkennest.com
totalvirtue.com
xdk0blc0tqy6a7.life
zootowngravel.com
kreditkarten-optionde.com
6888tlbb.xyz
albertakleekai.com
travelnurseinfofinder3.life
valleyinnswat.com
secure-remove-devices.com
digitalswamy.com
www112casinova.com
medifasttrd.com
distritoxermar.com
ebwagner.com
biworker.com
0571kt.net
mjuelaw.com
buildlimitlesswealth.com
wbclips.com
session.care
museatthemill.com
pjhxsl.com
momentums6.com
electricbike.energy
accommodations.network
libroskolibris.com
sejintech.net
parkchestergardens.info
gndgame.info
arcwarp.com
aboveallonline.com
dinotacker.com
ufc188livestreamfree.com
saulomar.com
atmworldexpo.com
chooox.com
admissium.com
dacdem.com
oneruk-chandeliercleaning.com
oyster-iot.cloud
mutinybrewworks.com
yaoih.com
dmitchellpropertiesllc.com
nuoicaymosaigon.com
peacockgotv.com
nextr.xyz
bidvastil.com
shahanhan.com
goodlordy.net
banlyeojob.com
tasteatlus.com
ecotone-os.xyz
urbanartco.com
drecibo.com
davegwatkin.com
pharmiva.net
accordingtopreston.com
blizzardboy.net
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
resource yara_rule behavioral2/memory/4784-133-0x0000000000400000-0x000000000042B000-memory.dmp xloader behavioral2/memory/4784-135-0x0000000000400000-0x000000000042B000-memory.dmp xloader behavioral2/memory/2156-141-0x0000000000BC0000-0x0000000000BEB000-memory.dmp xloader behavioral2/memory/2156-145-0x0000000000BC0000-0x0000000000BEB000-memory.dmp xloader -
Adds policy Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run control.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\A4Q8FTBPSF9 = "C:\\Program Files (x86)\\Adhkdulo\\ThumbCacheht2tb2e.exe" control.exe -
Executes dropped EXE 1 IoCs
pid Process 1836 ThumbCacheht2tb2e.exe -
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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Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 4324 set thread context of 4784 4324 SR20220600525003,pdf.exe 89 PID 4784 set thread context of 2092 4784 cvtres.exe 33 PID 2156 set thread context of 2092 2156 control.exe 33 -
Drops file in Program Files directory 4 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Adhkdulo\ThumbCacheht2tb2e.exe Explorer.EXE File opened for modification C:\Program Files (x86)\Adhkdulo\ThumbCacheht2tb2e.exe control.exe File opened for modification C:\Program Files (x86)\Adhkdulo Explorer.EXE File created C:\Program Files (x86)\Adhkdulo\ThumbCacheht2tb2e.exe Explorer.EXE -
description ioc Process Key created \Registry\User\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2 control.exe -
Suspicious behavior: EnumeratesProcesses 50 IoCs
pid Process 4324 SR20220600525003,pdf.exe 4324 SR20220600525003,pdf.exe 4784 cvtres.exe 4784 cvtres.exe 4784 cvtres.exe 4784 cvtres.exe 2156 control.exe 2156 control.exe 2156 control.exe 2156 control.exe 2156 control.exe 2156 control.exe 2156 control.exe 2156 control.exe 2156 control.exe 2156 control.exe 2156 control.exe 2156 control.exe 2156 control.exe 2156 control.exe 2156 control.exe 2156 control.exe 2156 control.exe 2156 control.exe 2156 control.exe 2156 control.exe 2156 control.exe 2156 control.exe 2156 control.exe 2156 control.exe 2156 control.exe 2156 control.exe 2156 control.exe 2156 control.exe 2156 control.exe 2156 control.exe 2156 control.exe 2156 control.exe 2156 control.exe 2156 control.exe 2156 control.exe 2156 control.exe 2156 control.exe 2156 control.exe 2156 control.exe 2156 control.exe 2156 control.exe 2156 control.exe 2156 control.exe 2156 control.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2092 Explorer.EXE -
Suspicious behavior: MapViewOfSection 7 IoCs
pid Process 4784 cvtres.exe 4784 cvtres.exe 4784 cvtres.exe 2156 control.exe 2156 control.exe 2156 control.exe 2156 control.exe -
Suspicious use of AdjustPrivilegeToken 11 IoCs
description pid Process Token: SeDebugPrivilege 4324 SR20220600525003,pdf.exe Token: SeDebugPrivilege 4784 cvtres.exe Token: SeDebugPrivilege 2156 control.exe Token: SeShutdownPrivilege 2092 Explorer.EXE Token: SeCreatePagefilePrivilege 2092 Explorer.EXE Token: SeShutdownPrivilege 2092 Explorer.EXE Token: SeCreatePagefilePrivilege 2092 Explorer.EXE Token: SeShutdownPrivilege 2092 Explorer.EXE Token: SeCreatePagefilePrivilege 2092 Explorer.EXE Token: SeShutdownPrivilege 2092 Explorer.EXE Token: SeCreatePagefilePrivilege 2092 Explorer.EXE -
Suspicious use of WriteProcessMemory 27 IoCs
description pid Process procid_target PID 4324 wrote to memory of 4788 4324 SR20220600525003,pdf.exe 88 PID 4324 wrote to memory of 4788 4324 SR20220600525003,pdf.exe 88 PID 4324 wrote to memory of 4788 4324 SR20220600525003,pdf.exe 88 PID 4324 wrote to memory of 4784 4324 SR20220600525003,pdf.exe 89 PID 4324 wrote to memory of 4784 4324 SR20220600525003,pdf.exe 89 PID 4324 wrote to memory of 4784 4324 SR20220600525003,pdf.exe 89 PID 4324 wrote to memory of 4784 4324 SR20220600525003,pdf.exe 89 PID 4324 wrote to memory of 4784 4324 SR20220600525003,pdf.exe 89 PID 4324 wrote to memory of 4784 4324 SR20220600525003,pdf.exe 89 PID 2092 wrote to memory of 2156 2092 Explorer.EXE 90 PID 2092 wrote to memory of 2156 2092 Explorer.EXE 90 PID 2092 wrote to memory of 2156 2092 Explorer.EXE 90 PID 2156 wrote to memory of 32 2156 control.exe 92 PID 2156 wrote to memory of 32 2156 control.exe 92 PID 2156 wrote to memory of 32 2156 control.exe 92 PID 2156 wrote to memory of 5076 2156 control.exe 94 PID 2156 wrote to memory of 5076 2156 control.exe 94 PID 2156 wrote to memory of 5076 2156 control.exe 94 PID 2156 wrote to memory of 4780 2156 control.exe 96 PID 2156 wrote to memory of 4780 2156 control.exe 96 PID 2156 wrote to memory of 4780 2156 control.exe 96 PID 2156 wrote to memory of 2732 2156 control.exe 98 PID 2156 wrote to memory of 2732 2156 control.exe 98 PID 2156 wrote to memory of 2732 2156 control.exe 98 PID 2092 wrote to memory of 1836 2092 Explorer.EXE 99 PID 2092 wrote to memory of 1836 2092 Explorer.EXE 99 PID 2092 wrote to memory of 1836 2092 Explorer.EXE 99
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Drops file in Program Files directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2092 -
C:\Users\Admin\AppData\Local\Temp\SR20220600525003,pdf.exe"C:\Users\Admin\AppData\Local\Temp\SR20220600525003,pdf.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4324 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"3⤵PID:4788
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4784
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C:\Windows\SysWOW64\control.exe"C:\Windows\SysWOW64\control.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
PID:2156 -
C:\Windows\SysWOW64\cmd.exe/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"3⤵PID:32
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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⤵PID:5076
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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⤵PID:4780
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C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe"3⤵PID:2732
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C:\Program Files (x86)\Adhkdulo\ThumbCacheht2tb2e.exe"C:\Program Files (x86)\Adhkdulo\ThumbCacheht2tb2e.exe"2⤵
- Executes dropped EXE
PID:1836
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
45KB
MD570d838a7dc5b359c3f938a71fad77db0
SHA166b83eb16481c334719eed406bc58a3c2b910923
SHA256e4dbdbf7888ea96f3f8aa5c4c7f2bcf6e57d724dd8194fe5f35b673c6ef724ea
SHA5129c9a945db5b5e7ff8105bfe74578e6f00b5f707f7c3d8f1f1fb41553a6d0eab29cef026e77877a1ad6435fa7bc369141921442e1485f2b0894c6bbcbd7791034
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Filesize
45KB
MD570d838a7dc5b359c3f938a71fad77db0
SHA166b83eb16481c334719eed406bc58a3c2b910923
SHA256e4dbdbf7888ea96f3f8aa5c4c7f2bcf6e57d724dd8194fe5f35b673c6ef724ea
SHA5129c9a945db5b5e7ff8105bfe74578e6f00b5f707f7c3d8f1f1fb41553a6d0eab29cef026e77877a1ad6435fa7bc369141921442e1485f2b0894c6bbcbd7791034
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Filesize
40KB
MD5b608d407fc15adea97c26936bc6f03f6
SHA1953e7420801c76393902c0d6bb56148947e41571
SHA256b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf
SHA512cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4
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Filesize
48KB
MD5349e6eb110e34a08924d92f6b334801d
SHA1bdfb289daff51890cc71697b6322aa4b35ec9169
SHA256c9fd7be4579e4aa942e8c2b44ab10115fa6c2fe6afd0c584865413d9d53f3b2a
SHA5122a635b815a5e117ea181ee79305ee1baf591459427acc5210d8c6c7e447be3513ead871c605eb3d32e4ab4111b2a335f26520d0ef8c1245a4af44e1faec44574