Analysis
-
max time kernel
157s -
max time network
165s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
12-11-2022 21:18
Static task
static1
Behavioral task
behavioral1
Sample
FM000987INMM.exe
Resource
win7-20220812-en
General
-
Target
FM000987INMM.exe
-
Size
432KB
-
MD5
e807bcfa922ddd60a6c8e85c441c576b
-
SHA1
f2a2cafc8f9efe1b5d49bcf3cadedc87ea416dac
-
SHA256
b08be63af3754f6970336f0f5c751271233d253f0195d2ed8293e50679c18004
-
SHA512
6da74e49eaac931a22cfbf33851b5f450c067d445a7434fb4a703db85df55830f8ca046c03418fd4ddc9227a62fbf726805a6fb5ddf39647380633771b8fcfac
-
SSDEEP
12288:n+jAiWbrrhAIrzN4f/Q1EZB6bi+pOaWeeJjTJ:+A1zN4nQaZB3xewTJ
Malware Config
Extracted
formbook
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
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
-
Xloader payload 5 IoCs
Processes:
resource yara_rule behavioral2/memory/1044-136-0x0000000000400000-0x000000000042C000-memory.dmp xloader behavioral2/memory/1044-137-0x000000000041F6F0-mapping.dmp xloader behavioral2/memory/1044-144-0x0000000000400000-0x000000000042C000-memory.dmp xloader behavioral2/memory/3404-147-0x0000000001080000-0x00000000010AC000-memory.dmp xloader behavioral2/memory/3404-149-0x0000000001080000-0x00000000010AC000-memory.dmp xloader -
Executes dropped EXE 1 IoCs
Processes:
xh-dftcdef0h.exepid process 4752 xh-dftcdef0h.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:
explorer.exedescription ioc process Key created \Registry\Machine\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WDF4UB5XGX = "C:\\Program Files (x86)\\Nzbopavwh\\xh-dftcdef0h.exe" explorer.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
FM000987INMM.exeCasPol.exeexplorer.exedescription pid process target process PID 5096 set thread context of 1044 5096 FM000987INMM.exe CasPol.exe PID 1044 set thread context of 2152 1044 CasPol.exe Explorer.EXE PID 3404 set thread context of 2152 3404 explorer.exe Explorer.EXE -
Drops file in Program Files directory 4 IoCs
Processes:
explorer.exeExplorer.EXEdescription ioc process File opened for modification C:\Program Files (x86)\Nzbopavwh\xh-dftcdef0h.exe explorer.exe File opened for modification C:\Program Files (x86)\Nzbopavwh Explorer.EXE File created C:\Program Files (x86)\Nzbopavwh\xh-dftcdef0h.exe Explorer.EXE File opened for modification C:\Program Files (x86)\Nzbopavwh\xh-dftcdef0h.exe Explorer.EXE -
Processes:
explorer.exedescription ioc process Key created \Registry\User\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2 explorer.exe -
Suspicious behavior: EnumeratesProcesses 58 IoCs
Processes:
FM000987INMM.exeCasPol.exeexplorer.exepid process 5096 FM000987INMM.exe 5096 FM000987INMM.exe 1044 CasPol.exe 1044 CasPol.exe 1044 CasPol.exe 1044 CasPol.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
Explorer.EXEpid process 2152 Explorer.EXE -
Suspicious behavior: MapViewOfSection 7 IoCs
Processes:
CasPol.exeexplorer.exepid process 1044 CasPol.exe 1044 CasPol.exe 1044 CasPol.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe 3404 explorer.exe -
Suspicious use of AdjustPrivilegeToken 11 IoCs
Processes:
FM000987INMM.exeCasPol.exeexplorer.exeExplorer.EXEdescription pid process Token: SeDebugPrivilege 5096 FM000987INMM.exe Token: SeDebugPrivilege 1044 CasPol.exe Token: SeDebugPrivilege 3404 explorer.exe Token: SeShutdownPrivilege 2152 Explorer.EXE Token: SeCreatePagefilePrivilege 2152 Explorer.EXE Token: SeShutdownPrivilege 2152 Explorer.EXE Token: SeCreatePagefilePrivilege 2152 Explorer.EXE Token: SeShutdownPrivilege 2152 Explorer.EXE Token: SeCreatePagefilePrivilege 2152 Explorer.EXE Token: SeShutdownPrivilege 2152 Explorer.EXE Token: SeCreatePagefilePrivilege 2152 Explorer.EXE -
Suspicious use of WriteProcessMemory 24 IoCs
Processes:
FM000987INMM.exeExplorer.EXEexplorer.exedescription pid process target process PID 5096 wrote to memory of 1044 5096 FM000987INMM.exe CasPol.exe PID 5096 wrote to memory of 1044 5096 FM000987INMM.exe CasPol.exe PID 5096 wrote to memory of 1044 5096 FM000987INMM.exe CasPol.exe PID 5096 wrote to memory of 1044 5096 FM000987INMM.exe CasPol.exe PID 5096 wrote to memory of 1044 5096 FM000987INMM.exe CasPol.exe PID 5096 wrote to memory of 1044 5096 FM000987INMM.exe CasPol.exe PID 2152 wrote to memory of 3404 2152 Explorer.EXE explorer.exe PID 2152 wrote to memory of 3404 2152 Explorer.EXE explorer.exe PID 2152 wrote to memory of 3404 2152 Explorer.EXE explorer.exe PID 3404 wrote to memory of 4932 3404 explorer.exe cmd.exe PID 3404 wrote to memory of 4932 3404 explorer.exe cmd.exe PID 3404 wrote to memory of 4932 3404 explorer.exe cmd.exe PID 3404 wrote to memory of 2616 3404 explorer.exe cmd.exe PID 3404 wrote to memory of 2616 3404 explorer.exe cmd.exe PID 3404 wrote to memory of 2616 3404 explorer.exe cmd.exe PID 3404 wrote to memory of 1880 3404 explorer.exe cmd.exe PID 3404 wrote to memory of 1880 3404 explorer.exe cmd.exe PID 3404 wrote to memory of 1880 3404 explorer.exe cmd.exe PID 3404 wrote to memory of 4424 3404 explorer.exe Firefox.exe PID 3404 wrote to memory of 4424 3404 explorer.exe Firefox.exe PID 3404 wrote to memory of 4424 3404 explorer.exe Firefox.exe PID 2152 wrote to memory of 4752 2152 Explorer.EXE xh-dftcdef0h.exe PID 2152 wrote to memory of 4752 2152 Explorer.EXE xh-dftcdef0h.exe PID 2152 wrote to memory of 4752 2152 Explorer.EXE xh-dftcdef0h.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 WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\FM000987INMM.exe"C:\Users\Admin\AppData\Local\Temp\FM000987INMM.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\explorer.exe"C:\Windows\SysWOW64\explorer.exe"2⤵
- 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
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C:\Windows\SysWOW64\cmd.exe/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.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)\Nzbopavwh\xh-dftcdef0h.exe"C:\Program Files (x86)\Nzbopavwh\xh-dftcdef0h.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)\Nzbopavwh\xh-dftcdef0h.exeFilesize
106KB
MD5914f728c04d3eddd5fba59420e74e56b
SHA18c68ca3f013c490161c0156ef359af03594ae5e2
SHA2567d3bdb5b7ee9685c7c18c0c3272da2a593f6c5c326f1ea67f22aae27c57ba1e6
SHA512d7e49b361544ba22a0c66cf097e9d84db4f3759fbcc20386251caac6da80c591861c1468cb7a102eee1a1f86c974086ebc61de4027f9cd22ad06d63550400d6d
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C:\Program Files (x86)\Nzbopavwh\xh-dftcdef0h.exeFilesize
106KB
MD5914f728c04d3eddd5fba59420e74e56b
SHA18c68ca3f013c490161c0156ef359af03594ae5e2
SHA2567d3bdb5b7ee9685c7c18c0c3272da2a593f6c5c326f1ea67f22aae27c57ba1e6
SHA512d7e49b361544ba22a0c66cf097e9d84db4f3759fbcc20386251caac6da80c591861c1468cb7a102eee1a1f86c974086ebc61de4027f9cd22ad06d63550400d6d
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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
-
memory/1044-140-0x0000000001710000-0x0000000001A5A000-memory.dmpFilesize
3.3MB
-
memory/1044-136-0x0000000000400000-0x000000000042C000-memory.dmpFilesize
176KB
-
memory/1044-141-0x00000000013D0000-0x00000000013E1000-memory.dmpFilesize
68KB
-
memory/1044-137-0x000000000041F6F0-mapping.dmp
-
memory/1044-144-0x0000000000400000-0x000000000042C000-memory.dmpFilesize
176KB
-
memory/1880-155-0x0000000000000000-mapping.dmp
-
memory/2152-151-0x0000000007B30000-0x0000000007C0F000-memory.dmpFilesize
892KB
-
memory/2152-142-0x0000000007CB0000-0x0000000007E01000-memory.dmpFilesize
1.3MB
-
memory/2152-152-0x0000000007B30000-0x0000000007C0F000-memory.dmpFilesize
892KB
-
memory/2616-153-0x0000000000000000-mapping.dmp
-
memory/3404-143-0x0000000000000000-mapping.dmp
-
memory/3404-149-0x0000000001080000-0x00000000010AC000-memory.dmpFilesize
176KB
-
memory/3404-150-0x0000000002E60000-0x0000000002EF0000-memory.dmpFilesize
576KB
-
memory/3404-147-0x0000000001080000-0x00000000010AC000-memory.dmpFilesize
176KB
-
memory/3404-146-0x0000000000230000-0x0000000000663000-memory.dmpFilesize
4.2MB
-
memory/3404-148-0x00000000030C0000-0x000000000340A000-memory.dmpFilesize
3.3MB
-
memory/4752-157-0x0000000000000000-mapping.dmp
-
memory/4752-160-0x0000000000570000-0x000000000058C000-memory.dmpFilesize
112KB
-
memory/4932-145-0x0000000000000000-mapping.dmp
-
memory/5096-132-0x0000025047DC0000-0x0000025047E30000-memory.dmpFilesize
448KB
-
memory/5096-134-0x00000250481F0000-0x000002504820E000-memory.dmpFilesize
120KB
-
memory/5096-135-0x00007FFF3CBB0000-0x00007FFF3D671000-memory.dmpFilesize
10.8MB
-
memory/5096-133-0x0000025049B10000-0x0000025049B86000-memory.dmpFilesize
472KB
-
memory/5096-138-0x00007FFF3CBB0000-0x00007FFF3D671000-memory.dmpFilesize
10.8MB