Analysis
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max time kernel
31s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
25-04-2024 09:41
Static task
static1
Behavioral task
behavioral1
Sample
POP.exe
Resource
win7-20240221-en
General
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Target
POP.exe
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Size
660KB
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MD5
46d06b32a50fd0c1a1981695e6504aa5
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SHA1
562f1b0f554ab339d851e7c031059d20a1c88af6
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SHA256
3796fdf35ca6c4557746dc1de61e477fe9972bc44a2fb23503e302c27fab4335
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SHA512
c6ff00d37a3d8f8716df5a67d5f6e16bec0ec1a5ea4625138651ca8bc43ffda9e4ff77c158803d3399aa7543ec88dd37551215f60e159d226ac307cfd6e4cb44
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SSDEEP
12288:nYIPXjeFKYoJyZTH5Zx161j9QMRLPfVtc1qHNanyP8POCxU:nYIPGKYokbF01j9b1tcoMyP8POCy
Malware Config
Extracted
nanocore
1.2.2.0
amechi.duckdns.org:4190
1e951a16-0899-4a49-9bed-fad9fc6657d1
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activate_away_mode
true
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backup_connection_host
amechi.duckdns.org
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2024-02-05T10:09:03.565293536Z
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bypass_user_account_control
true
- bypass_user_account_control_data
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clear_access_control
true
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clear_zone_identifier
false
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connect_delay
4000
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connection_port
4190
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default_group
clement
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enable_debug_mode
true
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gc_threshold
1.048576e+07
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keep_alive_timeout
30000
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keyboard_logging
false
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lan_timeout
2500
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max_packet_size
1.048576e+07
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mutex
1e951a16-0899-4a49-9bed-fad9fc6657d1
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
amechi.duckdns.org
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primary_dns_server
8.8.8.8
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request_elevation
true
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restart_delay
5000
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run_delay
0
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run_on_startup
false
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set_critical_process
true
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timeout_interval
5000
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use_custom_dns_server
false
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version
1.2.2.0
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wan_timeout
8000
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
POP.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation POP.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 4980 224 WerFault.exe POP.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
POP.exepid process 224 POP.exe 224 POP.exe 224 POP.exe 224 POP.exe 224 POP.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
POP.exedescription pid process Token: SeDebugPrivilege 224 POP.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
POP.exedescription pid process target process PID 224 wrote to memory of 2856 224 POP.exe powershell.exe PID 224 wrote to memory of 2856 224 POP.exe powershell.exe PID 224 wrote to memory of 2856 224 POP.exe powershell.exe PID 224 wrote to memory of 4560 224 POP.exe powershell.exe PID 224 wrote to memory of 4560 224 POP.exe powershell.exe PID 224 wrote to memory of 4560 224 POP.exe powershell.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\POP.exe"C:\Users\Admin\AppData\Local\Temp\POP.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:224 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\POP.exe"2⤵PID:2856
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CXAoYUE.exe"2⤵PID:4560
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CXAoYUE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6973.tmp"2⤵
- Creates scheduled task(s)
PID:2740 -
C:\Users\Admin\AppData\Local\Temp\POP.exe"C:\Users\Admin\AppData\Local\Temp\POP.exe"2⤵PID:4920
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C:\Users\Admin\AppData\Local\Temp\POP.exe"C:\Users\Admin\AppData\Local\Temp\POP.exe"2⤵PID:4956
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 224 -s 18642⤵
- Program crash
PID:4980
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 224 -ip 2241⤵PID:1076
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4160 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:81⤵PID:4664
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD54f8afa6f3e43a159737763fba31f7ef9
SHA1323b80e909437de3b60aea5b20bf1b90b77a721c
SHA2565f63f21c2acce5c7ed4cfc2825ef510a23d39af2fe0d5ad32385d8d32c2d49f1
SHA5127e77200883a529864505f6f9016549f3cfff2c900278d7b6d540e11ec5652b2ddf08cc8d66be055b836eff4b45d5136d1f80e5371baf467eadebcb9b86927cda