Analysis
-
max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
07-07-2022 03:54
Static task
static1
Behavioral task
behavioral1
Sample
STD 35 GA Plan_DOCX.exe
Resource
win7-20220414-en
General
-
Target
STD 35 GA Plan_DOCX.exe
-
Size
681KB
-
MD5
1cb1b73c99d72a4d1dcc09858ad1cee5
-
SHA1
76a12baf54b1f66fbccc3728d3e1fc1ca663c6ee
-
SHA256
ef5551b32efae3527d147f40eaac18ab0213b7382d5d54bc67fd1c9911007480
-
SHA512
1206dc9ff04af0d47b96a9e7598fa72626f4d56d0f515ce77ab5d0239a5fa9a1f2d67ba72f0354ed77736078cf466814f7ab5b9497d31a0ef7213cec4e332682
Malware Config
Extracted
xloader
2.9
iewb
n8FLlgIlb1rSEg5hJ9xMbw4hcmR38Q==
5vIAIY+pt81OtWs+FdIEdk7Y
LHIKc+oWGIQUUlfAAtEEdk7Y
ePM/cX2jvHrS
5hvPEw22+fdvmJz3C8FIVq0=
mb9EeX2jvHrS
Dx2zIYNvfjo8VUo5
6jVPnyJekv2RAc4gLKNwEqQ=
KWatHyjdE5Gj1Ng=
t9lk70gzUAZty4qjbVjF
6eUBeFPzKBWT125BFNIEdk7Y
dZUXOIyqTJGj1Ng=
iL3TVh2Jl5QVStnzxcAhIL8=
J1prtyklUfZGR/xDD71IbkWRd2yx
s9FgCOBRW9bU0Y6jbVjF
RYCbQDzcFBhcylgu
Fl0BV/8RJm6F9QRg8LXXTLo=
0dhumHzrCCZ3wdQg7nFF1AlL6Tk=
xvL+iL6wwX+/wH9K4lbZ/A==
N0lVceIFD5Gj1Ng=
5/mnQbHhJ7IzcYjyQbXXTLo=
luHuIKrfNeUkJOfRV0dA8o3Ghkt95g==
yuh2thpBWtHl2ZV48rXXTLo=
ADcuaODkD5eytord4lbZ/A==
PIWRAgq8/zx4aipDyILc
TdUPJBksRZU=
NorCQjrrH5Gj1Ng=
WXUOku0EDZGj1Ng=
4w8mrX8lanCcoWZLU0SkkkSRd2yx
KIYkq/0QN5gPTFK37XszY0fa
s8lIykhdVZjlEA1g8LXXTLo=
AkBw4LE9RQNHkyRsMQ==
fLzVWEjyMarikyRsMQ==
6j1f2ZsFFRpcylgu
zu3YwbBReoIuUh1vdsGonTCDfw==
EGD0PEju53oDSuwu9765d/4KSkXU3Qxh
rc0aZhksRZU=
Un//ZcCsqyaNtEcnt6mLu7Lqdw==
V4Eqwh4FEHqIflW508EYzYSbOeC5
EiWpwJgAFRV5e1r60cAEdk7Y
VW8Pf9PN65HU1otP4lbZ/A==
FFdOyJcMGxpcylgu
KztLpY85vJkLFw==
yh8vtO4GRPQ2kyRsMQ==
qMfrSiqZvghLUyRy/7XXTLo=
eKTGPwmf3swEq2Y3
aoseYSTrlPsvGQ==
Z6tKw0RfgS5+1o6jbVjF
CyU0azDFBZGj1Ng=
7Cy+5co/ZZbhC8dW6eo=
LXmN0EJimQWHylwnbTS6afIlJZHj+Q==
2R2cFWiX1hlZYz2UKh4i12ikiTP55p5Bfg==
jqHcD+eAi5EYlVrJm0TN
cqO55WilyvQ9mG1P4lbZ/A==
BERqtpY6pZDbB8dW6eo=
VpzDHQBueZvY24qjbVjF
OWUELQ6s28NVxom7evrIPfCLfw==
5iO6Dg619fIVQz+Q3I+ZMdmwry4=
d6GiFh7QJaHO2Jxz8bXXTLo=
NlFh6bdVeihxxT1MH+A+TL3MaA==
0PWJHpPJ9zh3nasMO8FIVq0=
19Fom6FBSQ1QrMU=
aYWBmw6431DfHsdW6eo=
Jj7U++2X3M4Eq2Y3
mounscape.com
Signatures
-
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
-
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
-
Xloader Payload 5 IoCs
Processes:
resource yara_rule behavioral2/memory/2856-137-0x0000000000400000-0x000000000042C000-memory.dmp xloader behavioral2/memory/2856-139-0x0000000000400000-0x000000000042C000-memory.dmp xloader behavioral2/memory/2856-146-0x0000000000400000-0x000000000042C000-memory.dmp xloader behavioral2/memory/3640-149-0x0000000000CF0000-0x0000000000D1C000-memory.dmp xloader behavioral2/memory/3640-154-0x0000000000CF0000-0x0000000000D1C000-memory.dmp xloader -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
STD 35 GA Plan_DOCX.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation STD 35 GA Plan_DOCX.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:
ipconfig.exedescription ioc process Key created \Registry\Machine\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run ipconfig.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ZHZ4ZLDPG0 = "C:\\Program Files (x86)\\Jpvo\\f8tp_r3g4hh.exe" ipconfig.exe -
Suspicious use of SetThreadContext 4 IoCs
Processes:
STD 35 GA Plan_DOCX.exeSTD 35 GA Plan_DOCX.exeipconfig.exedescription pid process target process PID 1112 set thread context of 2856 1112 STD 35 GA Plan_DOCX.exe STD 35 GA Plan_DOCX.exe PID 2856 set thread context of 3304 2856 STD 35 GA Plan_DOCX.exe Explorer.EXE PID 2856 set thread context of 3304 2856 STD 35 GA Plan_DOCX.exe Explorer.EXE PID 3640 set thread context of 3304 3640 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)\Jpvo\f8tp_r3g4hh.exe ipconfig.exe -
Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.
Processes:
ipconfig.exepid process 3640 ipconfig.exe -
Processes:
ipconfig.exedescription ioc process Key created \Registry\User\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2 ipconfig.exe -
Suspicious behavior: EnumeratesProcesses 32 IoCs
Processes:
STD 35 GA Plan_DOCX.exeipconfig.exepid process 2856 STD 35 GA Plan_DOCX.exe 2856 STD 35 GA Plan_DOCX.exe 2856 STD 35 GA Plan_DOCX.exe 2856 STD 35 GA Plan_DOCX.exe 2856 STD 35 GA Plan_DOCX.exe 2856 STD 35 GA Plan_DOCX.exe 3640 ipconfig.exe 3640 ipconfig.exe 3640 ipconfig.exe 3640 ipconfig.exe 3640 ipconfig.exe 3640 ipconfig.exe 3640 ipconfig.exe 3640 ipconfig.exe 3640 ipconfig.exe 3640 ipconfig.exe 3640 ipconfig.exe 3640 ipconfig.exe 3640 ipconfig.exe 3640 ipconfig.exe 3640 ipconfig.exe 3640 ipconfig.exe 3640 ipconfig.exe 3640 ipconfig.exe 3640 ipconfig.exe 3640 ipconfig.exe 3640 ipconfig.exe 3640 ipconfig.exe 3640 ipconfig.exe 3640 ipconfig.exe 3640 ipconfig.exe 3640 ipconfig.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
Explorer.EXEpid process 3304 Explorer.EXE -
Suspicious behavior: MapViewOfSection 8 IoCs
Processes:
STD 35 GA Plan_DOCX.exeipconfig.exepid process 2856 STD 35 GA Plan_DOCX.exe 2856 STD 35 GA Plan_DOCX.exe 2856 STD 35 GA Plan_DOCX.exe 2856 STD 35 GA Plan_DOCX.exe 3640 ipconfig.exe 3640 ipconfig.exe 3640 ipconfig.exe 3640 ipconfig.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
STD 35 GA Plan_DOCX.exeipconfig.exedescription pid process Token: SeDebugPrivilege 2856 STD 35 GA Plan_DOCX.exe Token: SeDebugPrivilege 3640 ipconfig.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
STD 35 GA Plan_DOCX.exeSTD 35 GA Plan_DOCX.exeipconfig.exedescription pid process target process PID 1112 wrote to memory of 2856 1112 STD 35 GA Plan_DOCX.exe STD 35 GA Plan_DOCX.exe PID 1112 wrote to memory of 2856 1112 STD 35 GA Plan_DOCX.exe STD 35 GA Plan_DOCX.exe PID 1112 wrote to memory of 2856 1112 STD 35 GA Plan_DOCX.exe STD 35 GA Plan_DOCX.exe PID 1112 wrote to memory of 2856 1112 STD 35 GA Plan_DOCX.exe STD 35 GA Plan_DOCX.exe PID 1112 wrote to memory of 2856 1112 STD 35 GA Plan_DOCX.exe STD 35 GA Plan_DOCX.exe PID 1112 wrote to memory of 2856 1112 STD 35 GA Plan_DOCX.exe STD 35 GA Plan_DOCX.exe PID 2856 wrote to memory of 3640 2856 STD 35 GA Plan_DOCX.exe ipconfig.exe PID 2856 wrote to memory of 3640 2856 STD 35 GA Plan_DOCX.exe ipconfig.exe PID 2856 wrote to memory of 3640 2856 STD 35 GA Plan_DOCX.exe ipconfig.exe PID 3640 wrote to memory of 4384 3640 ipconfig.exe cmd.exe PID 3640 wrote to memory of 4384 3640 ipconfig.exe cmd.exe PID 3640 wrote to memory of 4384 3640 ipconfig.exe cmd.exe PID 3640 wrote to memory of 4288 3640 ipconfig.exe cmd.exe PID 3640 wrote to memory of 4288 3640 ipconfig.exe cmd.exe PID 3640 wrote to memory of 4288 3640 ipconfig.exe cmd.exe PID 3640 wrote to memory of 3832 3640 ipconfig.exe cmd.exe PID 3640 wrote to memory of 3832 3640 ipconfig.exe cmd.exe PID 3640 wrote to memory of 3832 3640 ipconfig.exe cmd.exe PID 3640 wrote to memory of 4252 3640 ipconfig.exe Firefox.exe PID 3640 wrote to memory of 4252 3640 ipconfig.exe Firefox.exe PID 3640 wrote to memory of 4252 3640 ipconfig.exe Firefox.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
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C:\Users\Admin\AppData\Local\Temp\STD 35 GA Plan_DOCX.exe"C:\Users\Admin\AppData\Local\Temp\STD 35 GA Plan_DOCX.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\STD 35 GA Plan_DOCX.exe"C:\Users\Admin\AppData\Local\Temp\STD 35 GA Plan_DOCX.exe"3⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\ipconfig.exe"C:\Windows\SysWOW64\ipconfig.exe"4⤵
- 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\STD 35 GA Plan_DOCX.exe"5⤵
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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" /V5⤵
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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" /V5⤵
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C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe"5⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
-
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/1112-130-0x0000000000040000-0x00000000000F0000-memory.dmpFilesize
704KB
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memory/1112-131-0x0000000004FD0000-0x0000000005574000-memory.dmpFilesize
5.6MB
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memory/1112-132-0x0000000004AC0000-0x0000000004B52000-memory.dmpFilesize
584KB
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memory/1112-133-0x0000000004A70000-0x0000000004A7A000-memory.dmpFilesize
40KB
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memory/1112-134-0x0000000007550000-0x00000000075EC000-memory.dmpFilesize
624KB
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memory/1112-135-0x0000000000730000-0x0000000000796000-memory.dmpFilesize
408KB
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memory/2856-146-0x0000000000400000-0x000000000042C000-memory.dmpFilesize
176KB
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memory/2856-140-0x0000000001300000-0x000000000164A000-memory.dmpFilesize
3.3MB
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memory/2856-141-0x00000000012C0000-0x00000000012D1000-memory.dmpFilesize
68KB
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memory/2856-136-0x0000000000000000-mapping.dmp
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memory/2856-144-0x0000000001670000-0x0000000001681000-memory.dmpFilesize
68KB
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memory/2856-137-0x0000000000400000-0x000000000042C000-memory.dmpFilesize
176KB
-
memory/2856-139-0x0000000000400000-0x000000000042C000-memory.dmpFilesize
176KB
-
memory/3304-153-0x00000000027B0000-0x000000000285C000-memory.dmpFilesize
688KB
-
memory/3304-155-0x00000000027B0000-0x000000000285C000-memory.dmpFilesize
688KB
-
memory/3304-145-0x00000000082A0000-0x0000000008425000-memory.dmpFilesize
1.5MB
-
memory/3304-142-0x00000000080B0000-0x0000000008244000-memory.dmpFilesize
1.6MB
-
memory/3640-149-0x0000000000CF0000-0x0000000000D1C000-memory.dmpFilesize
176KB
-
memory/3640-148-0x0000000000E80000-0x0000000000E8B000-memory.dmpFilesize
44KB
-
memory/3640-151-0x0000000001590000-0x00000000018DA000-memory.dmpFilesize
3.3MB
-
memory/3640-152-0x0000000001370000-0x0000000001400000-memory.dmpFilesize
576KB
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memory/3640-147-0x0000000000000000-mapping.dmp
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memory/3640-154-0x0000000000CF0000-0x0000000000D1C000-memory.dmpFilesize
176KB
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memory/3832-158-0x0000000000000000-mapping.dmp
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memory/4288-156-0x0000000000000000-mapping.dmp
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memory/4384-150-0x0000000000000000-mapping.dmp