Analysis
-
max time kernel
150s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20220721-en -
resource tags
arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system -
submitted
02-08-2022 06:37
Static task
static1
Behavioral task
behavioral1
Sample
SEGU9670620.exe
Resource
win7-20220715-en
General
-
Target
SEGU9670620.exe
-
Size
708KB
-
MD5
f7893d4684dd47ba79b7ae6072811f00
-
SHA1
ff7adc2c8f2b9094361f3b2655152e4ea48e2c24
-
SHA256
95265cd9d3be6a02382744a140d2fc7ef6dd5fbfec0c03acb0e37c49192d3f35
-
SHA512
23d2c77e1e09ded7f2d0564767b57e238e07458ff8b08967acb6d179aa71415a4b9df4622005bc1c90f6cd102315a6e4c611edb87776fbe0b590f064cd8b9244
Malware Config
Extracted
xloader
2.9
zzun
JnNtRHyNupy0GqRzAcasu7hb4rc=
Qv593NGLE7p9UNSaVkPXljAJm2QCNnc=
ePArIFWvjkkMgVEVhw4M4Jk=
26rqUwJ7dD0AiDI=
pBAxMHeK741QFw==
kHD7TPt5846pUMTX
56UnjFjHL1i0j659h3LymRnHpQj+SshC
4vKlKHflPqmWXRbrRwfPtrhb4rc=
6LBd4qButFAi
phMzGll8Ue7Fu+inq5cdnPaSugG3
NKswiQGCvZoG5FgsdHEI
rtTHnuUY8M1qVcXV
SOmECrlAt2oGAA==
L1ep9adutFAi
/UE+/AyvE6uEl28weFI=
IP+xMPQxJR4NE6TK
xvW5GN9/rqA5YUoOVt185Sf7Uw==
fRFNW9DhxL6VF7LA
KFYTfkaY741QFw==
W4JGvMBmt2oGAA==
lnoad0Hkgrwl9uXlghvqdz33UA==
1msShiu+9wisELGDjYAK
FBXFOinAK8ylnMZzi35Okw==
V8Y7/cBnt2oGAA==
VfuI0k5pSmi6+aNjIlAT2mspCZBZLGA=
de74yg89D61bSiU=
V2UPjYUvwh21qdxUr4Mf
DcFXvTxFMlyfL5JJIU0=
GldbH/CCt2oGAA==
sxdEIBwn+o+pUMTX
UmViK+1/Knr8814sdHEI
jrfKoZ6paLyeEBETgw4M4Jk=
SR27MizpGwCa19Kb1A==
2DGo9XUNxBOe19Kb1A==
7tBn2cG8jasWHE7w559Aig==
8qtAoVHxl/KGerbsfA4M4Jk=
fC3AH6Utt2oGAA==
HltlPHZ7FpSpUMTX
xd0B+Pr30gBfQGYXafOW1dOSflv+SshC
DKXWyiOecY7319Kb1A==
Pvx505EaswiHYF3z559Aig==
aJ6kaz7CWKsP9g9Ur4Mf
qcvfxb9TwUoDCrfXw/uTdSkTCJBZLGA=
I++iH8xJxFp73nyUjJOg3/PS/3W7
K1N1guwbLz0AiDI=
vp2SfavTmBXNzLeXmIoUhsB7
UlAVhgIfLT0AiDI=
6BKH5GjHt2YIo/qhA69S+5E=
6U29K+qVw5hT4gQ83A==
G9NTmhwpAwY6r4I69kT4dz33UA==
0qstoaNBmBrMlfwTKhrAtLhb4rc=
ZvMhGW52cyAAXkVV3Jc96Lhb4rc=
N9Z3/PmEt2oGAA==
ohlOhcaP741QFw==
9WF3PohVjEolhCY=
am0ek4wtmkEI9GMVhw4M4Jk=
ROotH4+jhp7vnzVdww==
uvkuFhGmJlyjpFFpi35Okw==
ICHQQTIjaxTryG8weFI=
AhIZ8uh974+pUMTX
pEBtSFHr/5s0GQ==
qAcuLnqLNeOpUMTX
bcHv6WdbHoWEylgsdHEI
Nz/rbWh3s4WFDL9uPlAhXKNz
secure-id6793-chase.com
Signatures
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Xloader payload 4 IoCs
Processes:
resource yara_rule behavioral2/memory/1864-136-0x0000000000400000-0x000000000042C000-memory.dmp xloader behavioral2/memory/1864-142-0x0000000000400000-0x000000000042C000-memory.dmp xloader behavioral2/memory/2196-146-0x0000000000600000-0x000000000062C000-memory.dmp xloader behavioral2/memory/2196-149-0x0000000000600000-0x000000000062C000-memory.dmp xloader -
Adds policy Run key to start application 2 TTPs 2 IoCs
Processes:
svchost.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\IRKDQHHH = "C:\\Program Files (x86)\\Wvfyduf\\njm0_rjltg.exe" svchost.exe -
Executes dropped EXE 1 IoCs
Processes:
njm0_rjltg.exepid process 3016 njm0_rjltg.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
SEGU9670620.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Control Panel\International\Geo\Nation SEGU9670620.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
Processes:
SEGU9670620.exeSEGU9670620.exesvchost.exedescription pid process target process PID 4540 set thread context of 1864 4540 SEGU9670620.exe SEGU9670620.exe PID 1864 set thread context of 2864 1864 SEGU9670620.exe Explorer.EXE PID 2196 set thread context of 2864 2196 svchost.exe Explorer.EXE -
Drops file in Program Files directory 4 IoCs
Processes:
svchost.exeExplorer.EXEdescription ioc process File opened for modification C:\Program Files (x86)\Wvfyduf\njm0_rjltg.exe svchost.exe File opened for modification C:\Program Files (x86)\Wvfyduf Explorer.EXE File created C:\Program Files (x86)\Wvfyduf\njm0_rjltg.exe Explorer.EXE File opened for modification C:\Program Files (x86)\Wvfyduf\njm0_rjltg.exe Explorer.EXE -
Processes:
svchost.exedescription ioc process Key created \Registry\User\S-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2 svchost.exe -
Suspicious behavior: EnumeratesProcesses 48 IoCs
Processes:
SEGU9670620.exesvchost.exepid process 1864 SEGU9670620.exe 1864 SEGU9670620.exe 1864 SEGU9670620.exe 1864 SEGU9670620.exe 2196 svchost.exe 2196 svchost.exe 2196 svchost.exe 2196 svchost.exe 2196 svchost.exe 2196 svchost.exe 2196 svchost.exe 2196 svchost.exe 2196 svchost.exe 2196 svchost.exe 2196 svchost.exe 2196 svchost.exe 2196 svchost.exe 2196 svchost.exe 2196 svchost.exe 2196 svchost.exe 2196 svchost.exe 2196 svchost.exe 2196 svchost.exe 2196 svchost.exe 2196 svchost.exe 2196 svchost.exe 2196 svchost.exe 2196 svchost.exe 2196 svchost.exe 2196 svchost.exe 2196 svchost.exe 2196 svchost.exe 2196 svchost.exe 2196 svchost.exe 2196 svchost.exe 2196 svchost.exe 2196 svchost.exe 2196 svchost.exe 2196 svchost.exe 2196 svchost.exe 2196 svchost.exe 2196 svchost.exe 2196 svchost.exe 2196 svchost.exe 2196 svchost.exe 2196 svchost.exe 2196 svchost.exe 2196 svchost.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
Explorer.EXEpid process 2864 Explorer.EXE -
Suspicious behavior: MapViewOfSection 7 IoCs
Processes:
SEGU9670620.exesvchost.exepid process 1864 SEGU9670620.exe 1864 SEGU9670620.exe 1864 SEGU9670620.exe 2196 svchost.exe 2196 svchost.exe 2196 svchost.exe 2196 svchost.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
SEGU9670620.exesvchost.exedescription pid process Token: SeDebugPrivilege 1864 SEGU9670620.exe Token: SeDebugPrivilege 2196 svchost.exe -
Suspicious use of WriteProcessMemory 24 IoCs
Processes:
SEGU9670620.exeExplorer.EXEsvchost.exedescription pid process target process PID 4540 wrote to memory of 1864 4540 SEGU9670620.exe SEGU9670620.exe PID 4540 wrote to memory of 1864 4540 SEGU9670620.exe SEGU9670620.exe PID 4540 wrote to memory of 1864 4540 SEGU9670620.exe SEGU9670620.exe PID 4540 wrote to memory of 1864 4540 SEGU9670620.exe SEGU9670620.exe PID 4540 wrote to memory of 1864 4540 SEGU9670620.exe SEGU9670620.exe PID 4540 wrote to memory of 1864 4540 SEGU9670620.exe SEGU9670620.exe PID 2864 wrote to memory of 2196 2864 Explorer.EXE svchost.exe PID 2864 wrote to memory of 2196 2864 Explorer.EXE svchost.exe PID 2864 wrote to memory of 2196 2864 Explorer.EXE svchost.exe PID 2196 wrote to memory of 5028 2196 svchost.exe cmd.exe PID 2196 wrote to memory of 5028 2196 svchost.exe cmd.exe PID 2196 wrote to memory of 5028 2196 svchost.exe cmd.exe PID 2196 wrote to memory of 3280 2196 svchost.exe cmd.exe PID 2196 wrote to memory of 3280 2196 svchost.exe cmd.exe PID 2196 wrote to memory of 3280 2196 svchost.exe cmd.exe PID 2196 wrote to memory of 4292 2196 svchost.exe cmd.exe PID 2196 wrote to memory of 4292 2196 svchost.exe cmd.exe PID 2196 wrote to memory of 4292 2196 svchost.exe cmd.exe PID 2196 wrote to memory of 4152 2196 svchost.exe Firefox.exe PID 2196 wrote to memory of 4152 2196 svchost.exe Firefox.exe PID 2196 wrote to memory of 4152 2196 svchost.exe Firefox.exe PID 2864 wrote to memory of 3016 2864 Explorer.EXE njm0_rjltg.exe PID 2864 wrote to memory of 3016 2864 Explorer.EXE njm0_rjltg.exe PID 2864 wrote to memory of 3016 2864 Explorer.EXE njm0_rjltg.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 WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\SEGU9670620.exe"C:\Users\Admin\AppData\Local\Temp\SEGU9670620.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\SEGU9670620.exe"{path}"3⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\svchost.exe"C:\Windows\SysWOW64\svchost.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
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C:\Windows\SysWOW64\cmd.exe/c del "C:\Users\Admin\AppData\Local\Temp\SEGU9670620.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⤵
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C:\Program Files (x86)\Wvfyduf\njm0_rjltg.exe"C:\Program Files (x86)\Wvfyduf\njm0_rjltg.exe"2⤵
- Executes dropped EXE
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Program Files (x86)\Wvfyduf\njm0_rjltg.exeFilesize
708KB
MD5f7893d4684dd47ba79b7ae6072811f00
SHA1ff7adc2c8f2b9094361f3b2655152e4ea48e2c24
SHA25695265cd9d3be6a02382744a140d2fc7ef6dd5fbfec0c03acb0e37c49192d3f35
SHA51223d2c77e1e09ded7f2d0564767b57e238e07458ff8b08967acb6d179aa71415a4b9df4622005bc1c90f6cd102315a6e4c611edb87776fbe0b590f064cd8b9244
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C:\Program Files (x86)\Wvfyduf\njm0_rjltg.exeFilesize
708KB
MD5f7893d4684dd47ba79b7ae6072811f00
SHA1ff7adc2c8f2b9094361f3b2655152e4ea48e2c24
SHA25695265cd9d3be6a02382744a140d2fc7ef6dd5fbfec0c03acb0e37c49192d3f35
SHA51223d2c77e1e09ded7f2d0564767b57e238e07458ff8b08967acb6d179aa71415a4b9df4622005bc1c90f6cd102315a6e4c611edb87776fbe0b590f064cd8b9244
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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/1864-142-0x0000000000400000-0x000000000042C000-memory.dmpFilesize
176KB
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memory/1864-135-0x0000000000000000-mapping.dmp
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memory/1864-136-0x0000000000400000-0x000000000042C000-memory.dmpFilesize
176KB
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memory/1864-138-0x00000000014F0000-0x000000000183A000-memory.dmpFilesize
3.3MB
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memory/1864-139-0x00000000014C0000-0x00000000014D1000-memory.dmpFilesize
68KB
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memory/2196-143-0x00000000009A0000-0x00000000009AE000-memory.dmpFilesize
56KB
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memory/2196-145-0x0000000001200000-0x000000000154A000-memory.dmpFilesize
3.3MB
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memory/2196-141-0x0000000000000000-mapping.dmp
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memory/2196-146-0x0000000000600000-0x000000000062C000-memory.dmpFilesize
176KB
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memory/2196-147-0x0000000000900000-0x0000000000990000-memory.dmpFilesize
576KB
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memory/2196-149-0x0000000000600000-0x000000000062C000-memory.dmpFilesize
176KB
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memory/2864-140-0x0000000002930000-0x0000000002A31000-memory.dmpFilesize
1.0MB
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memory/2864-148-0x00000000085E0000-0x000000000875F000-memory.dmpFilesize
1.5MB
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memory/2864-150-0x00000000085E0000-0x000000000875F000-memory.dmpFilesize
1.5MB
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memory/3016-155-0x0000000000000000-mapping.dmp
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memory/3280-151-0x0000000000000000-mapping.dmp
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memory/4292-153-0x0000000000000000-mapping.dmp
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memory/4540-134-0x00000000059F0000-0x00000000059FA000-memory.dmpFilesize
40KB
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memory/4540-133-0x0000000005AB0000-0x0000000005B4C000-memory.dmpFilesize
624KB
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memory/4540-130-0x0000000000FA0000-0x0000000001058000-memory.dmpFilesize
736KB
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memory/4540-132-0x0000000005A10000-0x0000000005AA2000-memory.dmpFilesize
584KB
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memory/4540-131-0x0000000005EE0000-0x0000000006484000-memory.dmpFilesize
5.6MB
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memory/5028-144-0x0000000000000000-mapping.dmp