Analysis
-
max time kernel
150s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
28-06-2022 12:29
Static task
static1
Behavioral task
behavioral1
Sample
tmp.exe
Resource
win7-20220414-en
General
-
Target
tmp.exe
-
Size
641KB
-
MD5
85be6547409011c0804230f2f09f7ca3
-
SHA1
33eb9c66bb959332f963ab928fdbd655ac9e5e4e
-
SHA256
1d9fc02237d06ae3ee5ea85ae14a05ab41ee99f03ac660e3f6360ac6864bf7fd
-
SHA512
5e9e790f043d47bf21cd77caa556d18b957ab2c9587ef63836f84b8f42b102a8de085a2c6c2cf5a504b5a034c74dc25f2961b8415779311323e71c15b4432b7b
Malware Config
Extracted
xloader
2.8
nn40
LYAg0yANOGEAGeaFOrA/
MQWuERZplP+VZy/uszI=
CF0oDN0JimIaGy/uszI=
ltJnyC+ReohYaiTvj1qbEA==
B9OkgdctVKBAFjSUaw==
sbDVwSZVVqVB11/deow8GA==
v1gHDe0pzno=
i+/0n2vHUfGPR98k77tukZ90MQ==
SUtCnbS96Qm21g==
8X9qzyt1dpAo31jXrXfKb49fBPY=
5KlPxqHzSstuFjSUaw==
0r/Kesv/zuanroxvNQW0Gm8=
FFgS7kfPYAqpdhhgRgnBJHY=
LgusAHrkrIoWr0FWIe2o/04UXPw=
vBq9Gvxa9wbKbS/uszI=
Z+q6HAZNNeqwwQ==
wbS4fMb06SjU5Kbseow8GA==
1mZEuZvJ/m0L9bof56PkkZ90MQ==
JCJIM74lHk/o+tiFOrA/
d14FrM8rGEgIzVkT67+3XaEh
OtJqJTaZyD/bgy/uszI=
MMzqpo3pVjbaigine/p4W6dqZPJKkg==
LRS4MpnBeVxC/bqjf0kMBGop69QC
7FTxgWaTLAKbm3B0QgW0Gm8=
hjbYktAyum2JNK6N
WRtxyNlENeqwwQ==
MTOKH+0pzno=
8LkJ8EsWWHIK
zs758oMTaffAxI0bn2uqFw==
ariAXDqMsKpwF5U=
UEZOAmXFnpRh+rqD
T5e5xzlTNeqwwQ==
tp424+UDomI=
Y7VXD+I8CKVuDZQ=
zg6qeGbHO1F+FjSUaw==
JPypEB2CuDAz+bXSrjo=
8ah8cf5odcPNS+Sa
k+CGNhyOMKVuDZQ=
oVviitkD8B7ZmijeyIDFOI9nZPJKkg==
TtztqHfKKqQWuVRvT9fSSpJJmAFYLjw=
p6pvJHfZmJgx6XwYuL56b798MA==
WWmegczy4x2O+cIC27RtkZ90MQ==
/QrLiDyde3RJWRwRmWYo
PtShJAZG1WU6LP3osjo=
ZTrOf2PMho1kdm/JtSU=
A1ssC+pS8dvNS+Sa
K4g38tVda8DNS+Sa
Dz7fj13DnKh1iV8++X2H8Fbeq1jBGh4D
0AjPwNQtnWUEpDBAJbq9GG8p69QC
ALhKrIu7/5BTRf1OQAW0Gm8=
a5Zp3GrGWhzmrBYRmWYo
dwzcQzpnYYAi8G7eypfSS6d3oWmQnQ==
VR3AHfcDyG79m6bm0YnEOEBS/fQ=
pyZFKiWXNaVuDZQ=
dzf0zzBlYaqLFjSUaw==
D6TIj16hJ8JhJMom8rlxkZ90MQ==
8qkyvpp56Qm21g==
4qNmKHymVg3Bx4M=
MOiH6DRYhutyFjSUaw==
JqTDnm+zOQLV+83Ucm9GDw==
YQilIAQqUM5vFjSUaw==
84U/nbvTQwzcyQ==
mC34kB9LdeJuFjSUaw==
DKLKrbwuuWyJNK6N
thisismyhomevalue.com
Signatures
-
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
-
Xloader Payload 4 IoCs
Processes:
resource yara_rule behavioral1/memory/828-63-0x0000000000400000-0x000000000042C000-memory.dmp xloader behavioral1/memory/828-64-0x000000000041F640-mapping.dmp xloader behavioral1/memory/828-66-0x0000000000400000-0x000000000042C000-memory.dmp xloader behavioral1/memory/1784-72-0x0000000000080000-0x00000000000AC000-memory.dmp xloader -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
tmp.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Control Panel\International\Geo\Nation tmp.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
tmp.exetmp.exewlanext.exedescription pid process target process PID 636 set thread context of 828 636 tmp.exe tmp.exe PID 828 set thread context of 1260 828 tmp.exe Explorer.EXE PID 1784 set thread context of 1260 1784 wlanext.exe Explorer.EXE -
Processes:
wlanext.exedescription ioc process Key created \Registry\User\S-1-5-21-1083475884-596052423-1669053738-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2 wlanext.exe -
Suspicious behavior: EnumeratesProcesses 21 IoCs
Processes:
tmp.exewlanext.exepid process 828 tmp.exe 828 tmp.exe 1784 wlanext.exe 1784 wlanext.exe 1784 wlanext.exe 1784 wlanext.exe 1784 wlanext.exe 1784 wlanext.exe 1784 wlanext.exe 1784 wlanext.exe 1784 wlanext.exe 1784 wlanext.exe 1784 wlanext.exe 1784 wlanext.exe 1784 wlanext.exe 1784 wlanext.exe 1784 wlanext.exe 1784 wlanext.exe 1784 wlanext.exe 1784 wlanext.exe 1784 wlanext.exe -
Suspicious behavior: MapViewOfSection 7 IoCs
Processes:
tmp.exewlanext.exepid process 828 tmp.exe 828 tmp.exe 828 tmp.exe 1784 wlanext.exe 1784 wlanext.exe 1784 wlanext.exe 1784 wlanext.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
tmp.exewlanext.exedescription pid process Token: SeDebugPrivilege 828 tmp.exe Token: SeDebugPrivilege 1784 wlanext.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 16 IoCs
Processes:
tmp.exeExplorer.EXEwlanext.exedescription pid process target process PID 636 wrote to memory of 828 636 tmp.exe tmp.exe PID 636 wrote to memory of 828 636 tmp.exe tmp.exe PID 636 wrote to memory of 828 636 tmp.exe tmp.exe PID 636 wrote to memory of 828 636 tmp.exe tmp.exe PID 636 wrote to memory of 828 636 tmp.exe tmp.exe PID 636 wrote to memory of 828 636 tmp.exe tmp.exe PID 636 wrote to memory of 828 636 tmp.exe tmp.exe PID 1260 wrote to memory of 1784 1260 Explorer.EXE wlanext.exe PID 1260 wrote to memory of 1784 1260 Explorer.EXE wlanext.exe PID 1260 wrote to memory of 1784 1260 Explorer.EXE wlanext.exe PID 1260 wrote to memory of 1784 1260 Explorer.EXE wlanext.exe PID 1784 wrote to memory of 1736 1784 wlanext.exe Firefox.exe PID 1784 wrote to memory of 1736 1784 wlanext.exe Firefox.exe PID 1784 wrote to memory of 1736 1784 wlanext.exe Firefox.exe PID 1784 wrote to memory of 1736 1784 wlanext.exe Firefox.exe PID 1784 wrote to memory of 1736 1784 wlanext.exe Firefox.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp.exe"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\wlanext.exe"C:\Windows\SysWOW64\wlanext.exe"2⤵
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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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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memory/636-54-0x00000000002A0000-0x0000000000346000-memory.dmpFilesize
664KB
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memory/636-55-0x0000000075781000-0x0000000075783000-memory.dmpFilesize
8KB
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memory/636-56-0x0000000000350000-0x000000000036C000-memory.dmpFilesize
112KB
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memory/636-57-0x0000000000450000-0x000000000045A000-memory.dmpFilesize
40KB
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memory/636-58-0x0000000004E10000-0x0000000004E7A000-memory.dmpFilesize
424KB
-
memory/636-59-0x0000000002070000-0x00000000020A2000-memory.dmpFilesize
200KB
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memory/828-66-0x0000000000400000-0x000000000042C000-memory.dmpFilesize
176KB
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memory/828-61-0x0000000000400000-0x000000000042C000-memory.dmpFilesize
176KB
-
memory/828-63-0x0000000000400000-0x000000000042C000-memory.dmpFilesize
176KB
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memory/828-64-0x000000000041F640-mapping.dmp
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memory/828-60-0x0000000000400000-0x000000000042C000-memory.dmpFilesize
176KB
-
memory/828-67-0x0000000000A40000-0x0000000000D43000-memory.dmpFilesize
3.0MB
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memory/828-68-0x0000000000130000-0x0000000000141000-memory.dmpFilesize
68KB
-
memory/1260-69-0x0000000004B50000-0x0000000004C97000-memory.dmpFilesize
1.3MB
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memory/1260-75-0x0000000006200000-0x0000000006389000-memory.dmpFilesize
1.5MB
-
memory/1260-76-0x0000000006200000-0x0000000006389000-memory.dmpFilesize
1.5MB
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memory/1784-70-0x0000000000000000-mapping.dmp
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memory/1784-71-0x0000000000570000-0x0000000000586000-memory.dmpFilesize
88KB
-
memory/1784-72-0x0000000000080000-0x00000000000AC000-memory.dmpFilesize
176KB
-
memory/1784-73-0x0000000001F30000-0x0000000002233000-memory.dmpFilesize
3.0MB
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memory/1784-74-0x0000000001DA0000-0x0000000001E30000-memory.dmpFilesize
576KB