Analysis
-
max time kernel
147s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20220721-en -
resource tags
arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system -
submitted
22-07-2022 15:19
Static task
static1
Behavioral task
behavioral1
Sample
tmp.exe
Resource
win7-20220718-en
General
-
Target
tmp.exe
-
Size
517KB
-
MD5
a09f93f7606aa64851c9a8f82317b72f
-
SHA1
c33ea2eb219a088610847905251e5e2c3d2c87a2
-
SHA256
c9777cb78779de98104f1a01584f9df07e39b7ace7d5e6686d225e7261bd9447
-
SHA512
c5923ec47cc02a048fbbe8876c6f982d56dd6ea8936848db5a51ec6ad8ce16df9271a00c187a9ea653beaa490ba769c1339a5c3384180ba4d3961c471b7dfd59
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 3 IoCs
Processes:
resource yara_rule behavioral2/memory/1456-136-0x0000000000400000-0x000000000042C000-memory.dmp xloader behavioral2/memory/1456-142-0x0000000000400000-0x000000000042C000-memory.dmp xloader behavioral2/memory/4276-145-0x00000000012A0000-0x00000000012CC000-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-1-5-21-2372564722-193526734-2636556182-1000\Control Panel\International\Geo\Nation tmp.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
tmp.exetmp.exesystray.exedescription pid process target process PID 1304 set thread context of 1456 1304 tmp.exe tmp.exe PID 1456 set thread context of 2120 1456 tmp.exe Explorer.EXE PID 4276 set thread context of 2120 4276 systray.exe Explorer.EXE -
Suspicious behavior: EnumeratesProcesses 44 IoCs
Processes:
tmp.exesystray.exepid process 1456 tmp.exe 1456 tmp.exe 1456 tmp.exe 1456 tmp.exe 4276 systray.exe 4276 systray.exe 4276 systray.exe 4276 systray.exe 4276 systray.exe 4276 systray.exe 4276 systray.exe 4276 systray.exe 4276 systray.exe 4276 systray.exe 4276 systray.exe 4276 systray.exe 4276 systray.exe 4276 systray.exe 4276 systray.exe 4276 systray.exe 4276 systray.exe 4276 systray.exe 4276 systray.exe 4276 systray.exe 4276 systray.exe 4276 systray.exe 4276 systray.exe 4276 systray.exe 4276 systray.exe 4276 systray.exe 4276 systray.exe 4276 systray.exe 4276 systray.exe 4276 systray.exe 4276 systray.exe 4276 systray.exe 4276 systray.exe 4276 systray.exe 4276 systray.exe 4276 systray.exe 4276 systray.exe 4276 systray.exe 4276 systray.exe 4276 systray.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
Explorer.EXEpid process 2120 Explorer.EXE -
Suspicious behavior: MapViewOfSection 5 IoCs
Processes:
tmp.exesystray.exepid process 1456 tmp.exe 1456 tmp.exe 1456 tmp.exe 4276 systray.exe 4276 systray.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
tmp.exesystray.exedescription pid process Token: SeDebugPrivilege 1456 tmp.exe Token: SeDebugPrivilege 4276 systray.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
tmp.exeExplorer.EXEdescription pid process target process PID 1304 wrote to memory of 1456 1304 tmp.exe tmp.exe PID 1304 wrote to memory of 1456 1304 tmp.exe tmp.exe PID 1304 wrote to memory of 1456 1304 tmp.exe tmp.exe PID 1304 wrote to memory of 1456 1304 tmp.exe tmp.exe PID 1304 wrote to memory of 1456 1304 tmp.exe tmp.exe PID 1304 wrote to memory of 1456 1304 tmp.exe tmp.exe PID 2120 wrote to memory of 4276 2120 Explorer.EXE systray.exe PID 2120 wrote to memory of 4276 2120 Explorer.EXE systray.exe PID 2120 wrote to memory of 4276 2120 Explorer.EXE systray.exe
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- 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\systray.exe"C:\Windows\SysWOW64\systray.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1304-130-0x00000000005A0000-0x0000000000628000-memory.dmpFilesize
544KB
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memory/1304-131-0x0000000007980000-0x0000000007F24000-memory.dmpFilesize
5.6MB
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memory/1304-132-0x00000000074B0000-0x0000000007542000-memory.dmpFilesize
584KB
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memory/1304-133-0x00000000074A0000-0x00000000074AA000-memory.dmpFilesize
40KB
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memory/1304-134-0x000000000B010000-0x000000000B0AC000-memory.dmpFilesize
624KB
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memory/1456-139-0x0000000001670000-0x0000000001681000-memory.dmpFilesize
68KB
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memory/1456-136-0x0000000000400000-0x000000000042C000-memory.dmpFilesize
176KB
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memory/1456-138-0x00000000011D0000-0x000000000151A000-memory.dmpFilesize
3.3MB
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memory/1456-135-0x0000000000000000-mapping.dmp
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memory/1456-142-0x0000000000400000-0x000000000042C000-memory.dmpFilesize
176KB
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memory/2120-140-0x0000000008A50000-0x0000000008B74000-memory.dmpFilesize
1.1MB
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memory/2120-147-0x000000000A900000-0x000000000AA4F000-memory.dmpFilesize
1.3MB
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memory/2120-148-0x000000000A900000-0x000000000AA4F000-memory.dmpFilesize
1.3MB
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memory/4276-141-0x0000000000000000-mapping.dmp
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memory/4276-143-0x0000000000820000-0x0000000000826000-memory.dmpFilesize
24KB
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memory/4276-144-0x0000000003190000-0x00000000034DA000-memory.dmpFilesize
3.3MB
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memory/4276-145-0x00000000012A0000-0x00000000012CC000-memory.dmpFilesize
176KB
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memory/4276-146-0x0000000003070000-0x0000000003100000-memory.dmpFilesize
576KB