Resubmissions
16-02-2022 14:43
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220216-rpkg8sdafl 10Analysis
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max time kernel
1800s -
max time network
1801s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
16-02-2022 14:43
Static task
static1
Behavioral task
behavioral1
Sample
DELIVERY DOCUMENTS.exe
Resource
win7-en-20211208
General
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Target
DELIVERY DOCUMENTS.exe
-
Size
707KB
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MD5
427ef5f4e1143ad34c33b26dc4681661
-
SHA1
673fb1a58e4707ad783d03ca97b3fbd8b4cad73a
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SHA256
cd4ee025ad3406b7e572952d42465eee19649cef6c0d3a6acbb0e972096988f4
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SHA512
b225afbb07853516f1b741e833e1a63026c0dc5adbb0c3fcfb48f8c6681bc770558499df3d3f5c17df45395dedc3624a1e8fa6498395ac20a82f44e27a61dfbb
Malware Config
Extracted
xloader
2.5
zqzw
laurentmathieu.com
nohohonndana.com
hhmc.info
shophallows.com
blazebunk.com
goodbridge.xyz
flakycloud.com
bakermckenziegroups.com
formation-adistance.com
lovingearthbotanicals.com
tbrservice.plus
heritagehousehotels.com
drwbuildersco.com
lacsghb.com
wain3x.com
dadreview.club
continiutycp.com
cockgirls.com
48mpt.xyz
033skz.xyz
gmconstructionlnc.com
ms-mint.com
aenrione.xyz
honxuan.com
snowmanvila.com
cig-online.com
valetvolley.com
bjsnft.com
bennystrom.com
flw.ink
clarissagrandiart.com
samfamstudio.com
pamschams.com
edgar-regale.com
combi-tech.tech
00xwq.online
eclipseconstrucciones.com
plick-click.com
dive.education
regenelis.com
blue-chipwordtoscan-today.info
xn--rsso51aevf65u.com
maonagrana.com
lucasdebatintrader.com
cassijohnson.com
roeten.online
into-concrete.xyz
motovip.store
floryfab.com
slkykq.com
vidyakala.com
stairwaystowealth.com
meganandbobbyprine.com
arestradings.com
emilyschlueter.com
platanin.com
hnhstudios.com
dmembutidos.com
dcassorealtor.com
megamobil.wien
001skz.xyz
5t45urfgurkhgbvkhbuh.com
a3hd.com
newmexicotruckwrecklawyers.com
trabaho-academy.net
Signatures
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suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
-
Xloader Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/656-62-0x0000000000400000-0x0000000000429000-memory.dmp xloader behavioral1/memory/656-64-0x0000000000400000-0x0000000000429000-memory.dmp xloader behavioral1/memory/1636-74-0x0000000000080000-0x00000000000A9000-memory.dmp xloader -
Blocklisted process makes network request 3 IoCs
Processes:
cmd.exeflow pid process 71 1636 cmd.exe 257 1636 cmd.exe 274 1636 cmd.exe -
Executes dropped EXE 2 IoCs
Processes:
mfcbnr.exemfcbnr.exepid process 524 mfcbnr.exe 1484 mfcbnr.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1152 cmd.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
cmd.exedescription ioc process Key created \Registry\Machine\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run cmd.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\6L3DUFW8 = "C:\\Program Files (x86)\\Iong4l2e\\mfcbnr.exe" cmd.exe -
Suspicious use of SetThreadContext 5 IoCs
Processes:
DELIVERY DOCUMENTS.exeDELIVERY DOCUMENTS.execmd.exemfcbnr.exedescription pid process target process PID 1588 set thread context of 656 1588 DELIVERY DOCUMENTS.exe DELIVERY DOCUMENTS.exe PID 656 set thread context of 1260 656 DELIVERY DOCUMENTS.exe Explorer.EXE PID 656 set thread context of 1260 656 DELIVERY DOCUMENTS.exe Explorer.EXE PID 1636 set thread context of 1260 1636 cmd.exe Explorer.EXE PID 524 set thread context of 1484 524 mfcbnr.exe mfcbnr.exe -
Drops file in Program Files directory 2 IoCs
Processes:
cmd.exeExplorer.EXEdescription ioc process File opened for modification C:\Program Files (x86)\Iong4l2e\mfcbnr.exe cmd.exe File created C:\Program Files (x86)\Iong4l2e\mfcbnr.exe Explorer.EXE -
Processes:
cmd.exedescription ioc process Key created \Registry\User\S-1-5-21-2329389628-4064185017-3901522362-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2 cmd.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
DELIVERY DOCUMENTS.execmd.exepid process 656 DELIVERY DOCUMENTS.exe 656 DELIVERY DOCUMENTS.exe 656 DELIVERY DOCUMENTS.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
Explorer.EXEpid process 1260 Explorer.EXE -
Suspicious behavior: MapViewOfSection 8 IoCs
Processes:
DELIVERY DOCUMENTS.execmd.exepid process 656 DELIVERY DOCUMENTS.exe 656 DELIVERY DOCUMENTS.exe 656 DELIVERY DOCUMENTS.exe 656 DELIVERY DOCUMENTS.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe 1636 cmd.exe -
Suspicious use of AdjustPrivilegeToken 9 IoCs
Processes:
DELIVERY DOCUMENTS.execmd.exeExplorer.EXEmfcbnr.exedescription pid process Token: SeDebugPrivilege 656 DELIVERY DOCUMENTS.exe Token: SeDebugPrivilege 1636 cmd.exe Token: SeShutdownPrivilege 1260 Explorer.EXE Token: SeDebugPrivilege 1484 mfcbnr.exe Token: SeShutdownPrivilege 1260 Explorer.EXE Token: SeShutdownPrivilege 1260 Explorer.EXE Token: SeShutdownPrivilege 1260 Explorer.EXE Token: SeShutdownPrivilege 1260 Explorer.EXE Token: SeShutdownPrivilege 1260 Explorer.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
Explorer.EXEpid process 1260 Explorer.EXE 1260 Explorer.EXE -
Suspicious use of SendNotifyMessage 2 IoCs
Processes:
Explorer.EXEpid process 1260 Explorer.EXE 1260 Explorer.EXE -
Suspicious use of WriteProcessMemory 31 IoCs
Processes:
DELIVERY DOCUMENTS.exeExplorer.EXEcmd.exemfcbnr.exedescription pid process target process PID 1588 wrote to memory of 656 1588 DELIVERY DOCUMENTS.exe DELIVERY DOCUMENTS.exe PID 1588 wrote to memory of 656 1588 DELIVERY DOCUMENTS.exe DELIVERY DOCUMENTS.exe PID 1588 wrote to memory of 656 1588 DELIVERY DOCUMENTS.exe DELIVERY DOCUMENTS.exe PID 1588 wrote to memory of 656 1588 DELIVERY DOCUMENTS.exe DELIVERY DOCUMENTS.exe PID 1588 wrote to memory of 656 1588 DELIVERY DOCUMENTS.exe DELIVERY DOCUMENTS.exe PID 1588 wrote to memory of 656 1588 DELIVERY DOCUMENTS.exe DELIVERY DOCUMENTS.exe PID 1588 wrote to memory of 656 1588 DELIVERY DOCUMENTS.exe DELIVERY DOCUMENTS.exe PID 1260 wrote to memory of 1636 1260 Explorer.EXE cmd.exe PID 1260 wrote to memory of 1636 1260 Explorer.EXE cmd.exe PID 1260 wrote to memory of 1636 1260 Explorer.EXE cmd.exe PID 1260 wrote to memory of 1636 1260 Explorer.EXE cmd.exe PID 1636 wrote to memory of 1152 1636 cmd.exe cmd.exe PID 1636 wrote to memory of 1152 1636 cmd.exe cmd.exe PID 1636 wrote to memory of 1152 1636 cmd.exe cmd.exe PID 1636 wrote to memory of 1152 1636 cmd.exe cmd.exe PID 1636 wrote to memory of 1624 1636 cmd.exe Firefox.exe PID 1636 wrote to memory of 1624 1636 cmd.exe Firefox.exe PID 1636 wrote to memory of 1624 1636 cmd.exe Firefox.exe PID 1636 wrote to memory of 1624 1636 cmd.exe Firefox.exe PID 1260 wrote to memory of 524 1260 Explorer.EXE mfcbnr.exe PID 1260 wrote to memory of 524 1260 Explorer.EXE mfcbnr.exe PID 1260 wrote to memory of 524 1260 Explorer.EXE mfcbnr.exe PID 1260 wrote to memory of 524 1260 Explorer.EXE mfcbnr.exe PID 1636 wrote to memory of 1624 1636 cmd.exe Firefox.exe PID 524 wrote to memory of 1484 524 mfcbnr.exe mfcbnr.exe PID 524 wrote to memory of 1484 524 mfcbnr.exe mfcbnr.exe PID 524 wrote to memory of 1484 524 mfcbnr.exe mfcbnr.exe PID 524 wrote to memory of 1484 524 mfcbnr.exe mfcbnr.exe PID 524 wrote to memory of 1484 524 mfcbnr.exe mfcbnr.exe PID 524 wrote to memory of 1484 524 mfcbnr.exe mfcbnr.exe PID 524 wrote to memory of 1484 524 mfcbnr.exe mfcbnr.exe
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 FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1260 -
C:\Users\Admin\AppData\Local\Temp\DELIVERY DOCUMENTS.exe"C:\Users\Admin\AppData\Local\Temp\DELIVERY DOCUMENTS.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1588 -
C:\Users\Admin\AppData\Local\Temp\DELIVERY DOCUMENTS.exe"{path}"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:656 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\SysWOW64\cmd.exe"2⤵
- Blocklisted process makes network request
- Adds 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:1636 -
C:\Windows\SysWOW64\cmd.exe/c del "C:\Users\Admin\AppData\Local\Temp\DELIVERY DOCUMENTS.exe"3⤵
- Deletes itself
PID:1152 -
C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe"3⤵PID:1624
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C:\Program Files (x86)\Iong4l2e\mfcbnr.exe"C:\Program Files (x86)\Iong4l2e\mfcbnr.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:524 -
C:\Program Files (x86)\Iong4l2e\mfcbnr.exe"{path}"3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1484
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Program Files (x86)\Iong4l2e\mfcbnr.exeMD5
427ef5f4e1143ad34c33b26dc4681661
SHA1673fb1a58e4707ad783d03ca97b3fbd8b4cad73a
SHA256cd4ee025ad3406b7e572952d42465eee19649cef6c0d3a6acbb0e972096988f4
SHA512b225afbb07853516f1b741e833e1a63026c0dc5adbb0c3fcfb48f8c6681bc770558499df3d3f5c17df45395dedc3624a1e8fa6498395ac20a82f44e27a61dfbb
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C:\Program Files (x86)\Iong4l2e\mfcbnr.exeMD5
427ef5f4e1143ad34c33b26dc4681661
SHA1673fb1a58e4707ad783d03ca97b3fbd8b4cad73a
SHA256cd4ee025ad3406b7e572952d42465eee19649cef6c0d3a6acbb0e972096988f4
SHA512b225afbb07853516f1b741e833e1a63026c0dc5adbb0c3fcfb48f8c6681bc770558499df3d3f5c17df45395dedc3624a1e8fa6498395ac20a82f44e27a61dfbb
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C:\Program Files (x86)\Iong4l2e\mfcbnr.exeMD5
427ef5f4e1143ad34c33b26dc4681661
SHA1673fb1a58e4707ad783d03ca97b3fbd8b4cad73a
SHA256cd4ee025ad3406b7e572952d42465eee19649cef6c0d3a6acbb0e972096988f4
SHA512b225afbb07853516f1b741e833e1a63026c0dc5adbb0c3fcfb48f8c6681bc770558499df3d3f5c17df45395dedc3624a1e8fa6498395ac20a82f44e27a61dfbb
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memory/524-82-0x000000007487E000-0x000000007487F000-memory.dmpFilesize
4KB
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memory/524-83-0x0000000004630000-0x0000000004631000-memory.dmpFilesize
4KB
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memory/524-81-0x0000000000180000-0x0000000000238000-memory.dmpFilesize
736KB
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memory/656-70-0x000000000041D000-0x000000000041E000-memory.dmpFilesize
4KB
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memory/656-71-0x00000000002E0000-0x00000000002F1000-memory.dmpFilesize
68KB
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memory/656-62-0x0000000000400000-0x0000000000429000-memory.dmpFilesize
164KB
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memory/656-64-0x0000000000400000-0x0000000000429000-memory.dmpFilesize
164KB
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memory/656-65-0x00000000008D0000-0x0000000000BD3000-memory.dmpFilesize
3.0MB
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memory/656-66-0x000000000041D000-0x000000000041E000-memory.dmpFilesize
4KB
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memory/656-67-0x0000000000190000-0x00000000001A1000-memory.dmpFilesize
68KB
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memory/656-60-0x0000000000400000-0x0000000000429000-memory.dmpFilesize
164KB
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memory/656-61-0x0000000000400000-0x0000000000429000-memory.dmpFilesize
164KB
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memory/1260-72-0x0000000005010000-0x0000000005150000-memory.dmpFilesize
1.2MB
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memory/1260-77-0x0000000003DF0000-0x0000000003E91000-memory.dmpFilesize
644KB
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memory/1260-68-0x0000000007080000-0x00000000071D9000-memory.dmpFilesize
1.3MB
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memory/1484-88-0x0000000000A60000-0x0000000000D63000-memory.dmpFilesize
3.0MB
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memory/1588-58-0x0000000004C70000-0x0000000004CF2000-memory.dmpFilesize
520KB
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memory/1588-54-0x0000000000C90000-0x0000000000D48000-memory.dmpFilesize
736KB
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memory/1588-55-0x0000000074D9E000-0x0000000074D9F000-memory.dmpFilesize
4KB
-
memory/1588-56-0x0000000004DB0000-0x0000000004DB1000-memory.dmpFilesize
4KB
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memory/1588-57-0x0000000000310000-0x000000000031A000-memory.dmpFilesize
40KB
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memory/1588-59-0x0000000000BB0000-0x0000000000BE0000-memory.dmpFilesize
192KB
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memory/1636-74-0x0000000000080000-0x00000000000A9000-memory.dmpFilesize
164KB
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memory/1636-78-0x0000000075DF1000-0x0000000075DF3000-memory.dmpFilesize
8KB
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memory/1636-76-0x0000000001FE0000-0x0000000002070000-memory.dmpFilesize
576KB
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memory/1636-75-0x00000000020E0000-0x00000000023E3000-memory.dmpFilesize
3.0MB
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memory/1636-73-0x000000004AC50000-0x000000004AC9C000-memory.dmpFilesize
304KB