Analysis
-
max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
06-02-2023 14:37
Static task
static1
Behavioral task
behavioral1
Sample
2d8e544f10af06bd50beb47f3b24b837e876bcf2464bf5048a578c4111a23d1d.exe
Resource
win7-20220812-en
General
-
Target
2d8e544f10af06bd50beb47f3b24b837e876bcf2464bf5048a578c4111a23d1d.exe
-
Size
280KB
-
MD5
8e4837c1af544798e66033ff94178202
-
SHA1
ba11a4cd9fee1517dec84041fd85fb0d9dcc0270
-
SHA256
2d8e544f10af06bd50beb47f3b24b837e876bcf2464bf5048a578c4111a23d1d
-
SHA512
d56204d7765b0bedd4451cb4832967cd15609831c44b05ee7f96703db27261948cdb1cab3270328ae8fd466909541680b0e9f166ae170c55b6a9ee8b767298f4
-
SSDEEP
6144:/Ya6+fE/IWg+ZGjDmYS3g3qtKTaXig5hKFUCvuxK1Zj1SkG:/Y4fmI0G/oLXig5hEUVK1ZBFG
Malware Config
Extracted
formbook
poub
WY0eksfISzRg4O6c+opnGL6gaw==
moRjn9ExtYi8UmUo+Tya
2vME+GedoxzFnuLXesUoVj4=
EvW4JWJ1NQ8nN3tA3SM=
2mK9efMZMgN1VOs=
8d0jua5b0J6AQEW7
/2cyThOd37DSTYMASDye4Q0t/Vs=
ral+tbIh2KKAQEW7
YLY9jsPtYB/FRmMo+Tya
R1WcElWAMtFxFrVqtZT2ZpIS9xRZNho=
KFXGg/T1pCC9GjrxUPTcjw==
8mMlK5nDwjjPFTP5jMtAtQ0t/Vs=
c7am8nhhlCo=
UW91trZj6dENxuRdpxOvW1Cf
sjOMUcvq6lYJCZEfV4euFzY=
62nBgPjdmWQkmWElww==
64E8JqA1aruSUvw=
NqI1reXpcR+REye0
8+y1oOsbjgSyEhjXUPTcjw==
Rx9by8gNBwN1VOs=
Muif0yE4CQN1VOs=
VEt6//SsIukFo46EOTs=
Z8su52MYL67C
usDwuHRs8/KlWg==
idmltXXu7XAgHLE/UPTcjw==
QPrxO2shWNiGexGboHDSRqBQ1TBd
hq9rqBND8/KlWg==
QS9iHFx08/KlWg==
v1soVFoThEdt/B/dK0v4+6Wb
7rqJytN13KKAQEW7
OWbeN2SDJwonsI6EOTs=
aqQrrKZDm16GMlAtvxavW1Cf
imnEZWIEbC4M8Q+i
Bry3oQg5+6ZaUNxzwg==
B3vYmyxPQS5XYvmCsqQXX8X948Zf
KbGBmwwCyKTKsUcRUNN6CD61aw==
2WpDae4P+W4cdqc8kPBcjqg0wS1X
MvkZLPRY25jI
Alr0VZGxYxG3dR/zSNjBhQ==
ZJkdjczlrF+8l0Os
dcmMkFm+QhFD4OM=
fMdUrd4J1n4mmWElww==
Gat+k1fHg11vTQ==
sn+7Q4uxaAu9FyGv7k24F1DWaBEvmRI=
CjvGRTnXOhtN6QSNxhmvW1Cf
CpHvP2VSxaKAQEW7
qQWkEUJYFKhPttOZ4MarX8KKLl+/Jg==
GNVP4yIy8/KlWg==
pqfVAERhYxN7YPM=
9nS5b/AGCpZNAfZj1A==
a3GcpSND8/KlWg==
fin6NmQXayreIOrzPyw=
EjdROfeTsDPVH+rzPyw=
DO4xD8nURBwM8Q+i
+p/LQHFh0KOAQEW7
iNos10QpwjvjvFrXJYtYFiuHdA==
SX//aFP4Yi5T6NbcKQr07J6e
2NKh0dNr52sTdH4OSNjBhQ==
ZMSJmgsxFrlp5fnecrgeVYcP4xRZNho=
oXmlavAJ+3IbFbl3Gm4H+iKG
ijjWRYCaXiTcigreSNjBhQ==
ZqpH49I4XPu1k+rzPyw=
ZZUh+4FrrBbKukgJWoeuFzY=
lLnTxHn7rq/W9G8rzjsgCnyBYw==
drzjup.space
Signatures
-
Xloader payload 4 IoCs
Processes:
resource yara_rule behavioral2/memory/3168-139-0x0000000000400000-0x000000000042C000-memory.dmp xloader behavioral2/memory/3168-146-0x0000000000400000-0x000000000042C000-memory.dmp xloader behavioral2/memory/4060-149-0x0000000000570000-0x000000000059C000-memory.dmp xloader behavioral2/memory/4060-153-0x0000000000570000-0x000000000059C000-memory.dmp xloader -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
gpfxtha.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation gpfxtha.exe -
Executes dropped EXE 2 IoCs
Processes:
gpfxtha.exegpfxtha.exepid process 4808 gpfxtha.exe 3168 gpfxtha.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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Adds Run key to start application 2 TTPs 2 IoCs
Processes:
mstsc.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\J2QLPXSHA = "C:\\Program Files (x86)\\Gd6qlur5\\3fpnnmhzl.exe" mstsc.exe Key created \Registry\Machine\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run mstsc.exe -
Suspicious use of SetThreadContext 4 IoCs
Processes:
gpfxtha.exegpfxtha.exemstsc.exedescription pid process target process PID 4808 set thread context of 3168 4808 gpfxtha.exe gpfxtha.exe PID 3168 set thread context of 764 3168 gpfxtha.exe Explorer.EXE PID 3168 set thread context of 764 3168 gpfxtha.exe Explorer.EXE PID 4060 set thread context of 764 4060 mstsc.exe Explorer.EXE -
Drops file in Program Files directory 1 IoCs
Processes:
mstsc.exedescription ioc process File opened for modification C:\Program Files (x86)\Gd6qlur5\3fpnnmhzl.exe mstsc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Processes:
mstsc.exedescription ioc process Key created \Registry\User\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2 mstsc.exe -
Suspicious behavior: EnumeratesProcesses 58 IoCs
Processes:
gpfxtha.exemstsc.exepid process 3168 gpfxtha.exe 3168 gpfxtha.exe 3168 gpfxtha.exe 3168 gpfxtha.exe 3168 gpfxtha.exe 3168 gpfxtha.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
Explorer.EXEpid process 764 Explorer.EXE -
Suspicious behavior: MapViewOfSection 9 IoCs
Processes:
gpfxtha.exegpfxtha.exemstsc.exepid process 4808 gpfxtha.exe 3168 gpfxtha.exe 3168 gpfxtha.exe 3168 gpfxtha.exe 3168 gpfxtha.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe 4060 mstsc.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
gpfxtha.exemstsc.exedescription pid process Token: SeDebugPrivilege 3168 gpfxtha.exe Token: SeDebugPrivilege 4060 mstsc.exe -
Suspicious use of WriteProcessMemory 22 IoCs
Processes:
2d8e544f10af06bd50beb47f3b24b837e876bcf2464bf5048a578c4111a23d1d.exegpfxtha.exeExplorer.EXEmstsc.exedescription pid process target process PID 4892 wrote to memory of 4808 4892 2d8e544f10af06bd50beb47f3b24b837e876bcf2464bf5048a578c4111a23d1d.exe gpfxtha.exe PID 4892 wrote to memory of 4808 4892 2d8e544f10af06bd50beb47f3b24b837e876bcf2464bf5048a578c4111a23d1d.exe gpfxtha.exe PID 4892 wrote to memory of 4808 4892 2d8e544f10af06bd50beb47f3b24b837e876bcf2464bf5048a578c4111a23d1d.exe gpfxtha.exe PID 4808 wrote to memory of 3168 4808 gpfxtha.exe gpfxtha.exe PID 4808 wrote to memory of 3168 4808 gpfxtha.exe gpfxtha.exe PID 4808 wrote to memory of 3168 4808 gpfxtha.exe gpfxtha.exe PID 4808 wrote to memory of 3168 4808 gpfxtha.exe gpfxtha.exe PID 764 wrote to memory of 4060 764 Explorer.EXE mstsc.exe PID 764 wrote to memory of 4060 764 Explorer.EXE mstsc.exe PID 764 wrote to memory of 4060 764 Explorer.EXE mstsc.exe PID 4060 wrote to memory of 1172 4060 mstsc.exe cmd.exe PID 4060 wrote to memory of 1172 4060 mstsc.exe cmd.exe PID 4060 wrote to memory of 1172 4060 mstsc.exe cmd.exe PID 4060 wrote to memory of 2012 4060 mstsc.exe cmd.exe PID 4060 wrote to memory of 2012 4060 mstsc.exe cmd.exe PID 4060 wrote to memory of 2012 4060 mstsc.exe cmd.exe PID 4060 wrote to memory of 4144 4060 mstsc.exe cmd.exe PID 4060 wrote to memory of 4144 4060 mstsc.exe cmd.exe PID 4060 wrote to memory of 4144 4060 mstsc.exe cmd.exe PID 4060 wrote to memory of 3608 4060 mstsc.exe Firefox.exe PID 4060 wrote to memory of 3608 4060 mstsc.exe Firefox.exe PID 4060 wrote to memory of 3608 4060 mstsc.exe Firefox.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\2d8e544f10af06bd50beb47f3b24b837e876bcf2464bf5048a578c4111a23d1d.exe"C:\Users\Admin\AppData\Local\Temp\2d8e544f10af06bd50beb47f3b24b837e876bcf2464bf5048a578c4111a23d1d.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\gpfxtha.exe"C:\Users\Admin\AppData\Local\Temp\gpfxtha.exe" C:\Users\Admin\AppData\Local\Temp\aoigfqupgnb.bmp3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\gpfxtha.exe"C:\Users\Admin\AppData\Local\Temp\gpfxtha.exe"4⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\mstsc.exe"C:\Windows\SysWOW64\mstsc.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:\Users\Admin\AppData\Local\Temp\gpfxtha.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⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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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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C:\Users\Admin\AppData\Local\Temp\aoigfqupgnb.bmpFilesize
5KB
MD51eab44ab55b31a226a733b3b2098964d
SHA14cd920b4e150cae7d07f8b9868d49cc2da095345
SHA2565b5fe85e87fd724e900aca5e51d35e0c855de2400be39f86763634b32737611a
SHA512c4866e02a9d6d2d1342d09871093cb18e765e9bb0b9b1e93e43e8e69be1c9bcb1fe2b9376cbe222a38e8c94cce87b279481106e7781007b0d9732bf224609d79
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C:\Users\Admin\AppData\Local\Temp\gpfxtha.exeFilesize
112KB
MD558a53663c36b38e16632b01b6e04171f
SHA1b93818768f84a83aa9718300bf7f243990be96b7
SHA256d2521702919bed257020d11081d927dea7d264ce3fa2c1d402ef63092b4137b4
SHA5122a59bb5ec7bb35bd8785da0c2bf938e3e41d075fde32659125c817f0e49a2618f306c374775f9eabdc31b1490ef0296bac3fcc3ff3229a5b608b2ad41e6c13ab
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C:\Users\Admin\AppData\Local\Temp\gpfxtha.exeFilesize
112KB
MD558a53663c36b38e16632b01b6e04171f
SHA1b93818768f84a83aa9718300bf7f243990be96b7
SHA256d2521702919bed257020d11081d927dea7d264ce3fa2c1d402ef63092b4137b4
SHA5122a59bb5ec7bb35bd8785da0c2bf938e3e41d075fde32659125c817f0e49a2618f306c374775f9eabdc31b1490ef0296bac3fcc3ff3229a5b608b2ad41e6c13ab
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C:\Users\Admin\AppData\Local\Temp\gpfxtha.exeFilesize
112KB
MD558a53663c36b38e16632b01b6e04171f
SHA1b93818768f84a83aa9718300bf7f243990be96b7
SHA256d2521702919bed257020d11081d927dea7d264ce3fa2c1d402ef63092b4137b4
SHA5122a59bb5ec7bb35bd8785da0c2bf938e3e41d075fde32659125c817f0e49a2618f306c374775f9eabdc31b1490ef0296bac3fcc3ff3229a5b608b2ad41e6c13ab
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C:\Users\Admin\AppData\Local\Temp\vjoul.hFilesize
196KB
MD53e47a8bda5357626cd12360d155bf606
SHA12fca349609e4d116e4cc493811b80670d9fc6b47
SHA256649820e7856bc462f79cf32ac90213384b498a6e0efc2dbd66d8837509352b59
SHA51251593e2c98b44ff6784244e82f8c4b906c61e6606d785311e88cfcaa1e6bf6b4fa2bdff84a8e8f0296a0963f7329ea54c8866e508e1253754428f10adb4bc029
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memory/764-144-0x00000000081A0000-0x0000000008290000-memory.dmpFilesize
960KB
-
memory/764-152-0x0000000008790000-0x00000000088CA000-memory.dmpFilesize
1.2MB
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memory/764-142-0x0000000002D70000-0x0000000002E21000-memory.dmpFilesize
708KB
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memory/764-154-0x0000000008790000-0x00000000088CA000-memory.dmpFilesize
1.2MB
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memory/1172-147-0x0000000000000000-mapping.dmp
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memory/2012-155-0x0000000000000000-mapping.dmp
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memory/3168-141-0x00000000008E0000-0x00000000008F1000-memory.dmpFilesize
68KB
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memory/3168-143-0x0000000000950000-0x0000000000961000-memory.dmpFilesize
68KB
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memory/3168-137-0x0000000000000000-mapping.dmp
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memory/3168-139-0x0000000000400000-0x000000000042C000-memory.dmpFilesize
176KB
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memory/3168-146-0x0000000000400000-0x000000000042C000-memory.dmpFilesize
176KB
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memory/3168-140-0x0000000000A00000-0x0000000000D4A000-memory.dmpFilesize
3.3MB
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memory/4060-148-0x0000000000C30000-0x0000000000D6A000-memory.dmpFilesize
1.2MB
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memory/4060-151-0x00000000026A0000-0x0000000002730000-memory.dmpFilesize
576KB
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memory/4060-153-0x0000000000570000-0x000000000059C000-memory.dmpFilesize
176KB
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memory/4060-150-0x0000000002880000-0x0000000002BCA000-memory.dmpFilesize
3.3MB
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memory/4060-149-0x0000000000570000-0x000000000059C000-memory.dmpFilesize
176KB
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memory/4060-145-0x0000000000000000-mapping.dmp
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memory/4144-157-0x0000000000000000-mapping.dmp
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memory/4808-132-0x0000000000000000-mapping.dmp