Analysis
-
max time kernel
151s -
max time network
147s -
platform
windows7_x64 -
resource
win7-en-20210920 -
submitted
13-10-2021 17:03
Static task
static1
Behavioral task
behavioral1
Sample
c2f9ae069b620080b761d9280473e7aa.exe
Resource
win7-en-20210920
General
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Target
c2f9ae069b620080b761d9280473e7aa.exe
-
Size
999KB
-
MD5
c2f9ae069b620080b761d9280473e7aa
-
SHA1
3df08169a1cb6ec49b4359e5b580c56da2740945
-
SHA256
1ff5df8d27ee5989ad0e7c7270bf3c6d711a4ea6141043dedf2ce7028ae1bf42
-
SHA512
595750cb3da3b5c3ead6fbed97d10fec791fff13e38221df6b55abb751e179153bf900858afcea2872b66e6d80bb24e9586444205ae8807ec4e539690931ac24
Malware Config
Extracted
nanocore
1.2.2.0
ezeani.duckdns.org:8338
194.5.98.48:8338
c213d282-998c-4a04-8f80-944681ca75f6
-
activate_away_mode
true
-
backup_connection_host
194.5.98.48
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2021-07-25T02:31:51.856627236Z
-
bypass_user_account_control
false
-
bypass_user_account_control_data
PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTE2Ij8+DQo8VGFzayB2ZXJzaW9uPSIxLjIiIHhtbG5zPSJodHRwOi8vc2NoZW1hcy5taWNyb3NvZnQuY29tL3dpbmRvd3MvMjAwNC8wMi9taXQvdGFzayI+DQogIDxSZWdpc3RyYXRpb25JbmZvIC8+DQogIDxUcmlnZ2VycyAvPg0KICA8UHJpbmNpcGFscz4NCiAgICA8UHJpbmNpcGFsIGlkPSJBdXRob3IiPg0KICAgICAgPExvZ29uVHlwZT5JbnRlcmFjdGl2ZVRva2VuPC9Mb2dvblR5cGU+DQogICAgICA8UnVuTGV2ZWw+SGlnaGVzdEF2YWlsYWJsZTwvUnVuTGV2ZWw+DQogICAgPC9QcmluY2lwYWw+DQogIDwvUHJpbmNpcGFscz4NCiAgPFNldHRpbmdzPg0KICAgIDxNdWx0aXBsZUluc3RhbmNlc1BvbGljeT5QYXJhbGxlbDwvTXVsdGlwbGVJbnN0YW5jZXNQb2xpY3k+DQogICAgPERpc2FsbG93U3RhcnRJZk9uQmF0dGVyaWVzPmZhbHNlPC9EaXNhbGxvd1N0YXJ0SWZPbkJhdHRlcmllcz4NCiAgICA8U3RvcElmR29pbmdPbkJhdHRlcmllcz5mYWxzZTwvU3RvcElmR29pbmdPbkJhdHRlcmllcz4NCiAgICA8QWxsb3dIYXJkVGVybWluYXRlPnRydWU8L0FsbG93SGFyZFRlcm1pbmF0ZT4NCiAgICA8U3RhcnRXaGVuQXZhaWxhYmxlPmZhbHNlPC9TdGFydFdoZW5BdmFpbGFibGU+DQogICAgPFJ1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+ZmFsc2U8L1J1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+DQogICAgPElkbGVTZXR0aW5ncz4NCiAgICAgIDxTdG9wT25JZGxlRW5kPmZhbHNlPC9TdG9wT25JZGxlRW5kPg0KICAgICAgPFJlc3RhcnRPbklkbGU+ZmFsc2U8L1Jlc3RhcnRPbklkbGU+DQogICAgPC9JZGxlU2V0dGluZ3M+DQogICAgPEFsbG93U3RhcnRPbkRlbWFuZD50cnVlPC9BbGxvd1N0YXJ0T25EZW1hbmQ+DQogICAgPEVuYWJsZWQ+dHJ1ZTwvRW5hYmxlZD4NCiAgICA8SGlkZGVuPmZhbHNlPC9IaWRkZW4+DQogICAgPFJ1bk9ubHlJZklkbGU+ZmFsc2U8L1J1bk9ubHlJZklkbGU+DQogICAgPFdha2VUb1J1bj5mYWxzZTwvV2FrZVRvUnVuPg0KICAgIDxFeGVjdXRpb25UaW1lTGltaXQ+UFQwUzwvRXhlY3V0aW9uVGltZUxpbWl0Pg0KICAgIDxQcmlvcml0eT40PC9Qcmlvcml0eT4NCiAgPC9TZXR0aW5ncz4NCiAgPEFjdGlvbnMgQ29udGV4dD0iQXV0aG9yIj4NCiAgICA8RXhlYz4NCiAgICAgIDxDb21tYW5kPiIjRVhFQ1VUQUJMRVBBVEgiPC9Db21tYW5kPg0KICAgICAgPEFyZ3VtZW50cz4kKEFyZzApPC9Bcmd1bWVudHM+DQogICAgPC9FeGVjPg0KICA8L0FjdGlvbnM+DQo8L1Rhc2s+
-
clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
8338
-
default_group
nano stub
-
enable_debug_mode
true
-
gc_threshold
1.048576e+07
-
keep_alive_timeout
30000
-
keyboard_logging
false
-
lan_timeout
2500
-
max_packet_size
1.048576e+07
-
mutex
c213d282-998c-4a04-8f80-944681ca75f6
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
ezeani.duckdns.org
-
primary_dns_server
8.8.8.8
-
request_elevation
true
-
restart_delay
5000
-
run_delay
0
-
run_on_startup
true
-
set_critical_process
true
-
timeout_interval
5000
-
use_custom_dns_server
false
-
version
1.2.2.0
-
wan_timeout
8000
Signatures
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Executes dropped EXE 2 IoCs
Processes:
plfiqbrm.pifRegSvcs.exepid process 1408 plfiqbrm.pif 572 RegSvcs.exe -
Loads dropped DLL 5 IoCs
Processes:
c2f9ae069b620080b761d9280473e7aa.exeplfiqbrm.pifpid process 1116 c2f9ae069b620080b761d9280473e7aa.exe 1116 c2f9ae069b620080b761d9280473e7aa.exe 1116 c2f9ae069b620080b761d9280473e7aa.exe 1116 c2f9ae069b620080b761d9280473e7aa.exe 1408 plfiqbrm.pif -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
plfiqbrm.pifdescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run plfiqbrm.pif Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows element = "C:\\Users\\Admin\\68821130\\plfiqbrm.pif C:\\Users\\Admin\\68821130\\mofcxpne.aan" plfiqbrm.pif -
Processes:
RegSvcs.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
plfiqbrm.pifdescription pid process target process PID 1408 set thread context of 572 1408 plfiqbrm.pif RegSvcs.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
plfiqbrm.pifRegSvcs.exepid process 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 572 RegSvcs.exe 572 RegSvcs.exe 572 RegSvcs.exe 572 RegSvcs.exe 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 572 RegSvcs.exe 572 RegSvcs.exe 1408 plfiqbrm.pif 1408 plfiqbrm.pif 572 RegSvcs.exe 572 RegSvcs.exe 572 RegSvcs.exe 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif 1408 plfiqbrm.pif -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
RegSvcs.exepid process 572 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegSvcs.exedescription pid process Token: SeDebugPrivilege 572 RegSvcs.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
c2f9ae069b620080b761d9280473e7aa.exeplfiqbrm.pifRegSvcs.exedescription pid process target process PID 1116 wrote to memory of 1408 1116 c2f9ae069b620080b761d9280473e7aa.exe plfiqbrm.pif PID 1116 wrote to memory of 1408 1116 c2f9ae069b620080b761d9280473e7aa.exe plfiqbrm.pif PID 1116 wrote to memory of 1408 1116 c2f9ae069b620080b761d9280473e7aa.exe plfiqbrm.pif PID 1116 wrote to memory of 1408 1116 c2f9ae069b620080b761d9280473e7aa.exe plfiqbrm.pif PID 1408 wrote to memory of 572 1408 plfiqbrm.pif RegSvcs.exe PID 1408 wrote to memory of 572 1408 plfiqbrm.pif RegSvcs.exe PID 1408 wrote to memory of 572 1408 plfiqbrm.pif RegSvcs.exe PID 1408 wrote to memory of 572 1408 plfiqbrm.pif RegSvcs.exe PID 1408 wrote to memory of 572 1408 plfiqbrm.pif RegSvcs.exe PID 1408 wrote to memory of 572 1408 plfiqbrm.pif RegSvcs.exe PID 1408 wrote to memory of 572 1408 plfiqbrm.pif RegSvcs.exe PID 1408 wrote to memory of 572 1408 plfiqbrm.pif RegSvcs.exe PID 1408 wrote to memory of 572 1408 plfiqbrm.pif RegSvcs.exe PID 572 wrote to memory of 1840 572 RegSvcs.exe schtasks.exe PID 572 wrote to memory of 1840 572 RegSvcs.exe schtasks.exe PID 572 wrote to memory of 1840 572 RegSvcs.exe schtasks.exe PID 572 wrote to memory of 1840 572 RegSvcs.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c2f9ae069b620080b761d9280473e7aa.exe"C:\Users\Admin\AppData\Local\Temp\c2f9ae069b620080b761d9280473e7aa.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1116 -
C:\Users\Admin\68821130\plfiqbrm.pif"C:\Users\Admin\68821130\plfiqbrm.pif" mofcxpne.aan2⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1408 -
C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"3⤵
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:572 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "UDP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpAF9.tmp"4⤵
- Creates scheduled task(s)
PID:1840
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\68821130\ikbt.rwvMD5
9be6eca2a64e61972e3464dec8b00cb0
SHA1aa889156bc0a7e8132d6c6114bc2fa8955abf036
SHA256442c15b300838dd80a3c4eafbf6e6a70ed42e9db5e9594a2a3769b7a74fe3c87
SHA5121de5ef1b9809344ba435173ebe220bd0b2ee5bf6a811bd917db6a2659f4fef17fc589cf0bd0866517bc09e666b4f86f51afdbeef79798b05253877e9c36ce4f3
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C:\Users\Admin\68821130\mofcxpne.aanMD5
2850d903ecd69be837ffc6da1e969874
SHA1bf145df8807bc568cbbcc0dcf0042179293dda52
SHA25672daa16a8fb031497b3ed4984ce8a4f6ed8980648ae0422409c92711080eee85
SHA51232ed7e3a046977e00da93618ac5a6da8586f0308bfe009b4d6441b2f88aa3c34b231478deaa91e02ccc4d37dc781f50a9ef4f7e00a03ad2fca8d011c033dc6c3
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C:\Users\Admin\68821130\palnmuffs.mscMD5
daed960f09500d943e479f00125c6ee5
SHA1ea18481bc7d4e5e293187c6e6d3fc5b913118635
SHA2568f3067402555eeb18d37e9f5a9cd411a1aab6d3f85a8c6780243aad7d6485b71
SHA5126dad2a1871962e2444dca49ef09c729a7e4ca2d39935d923fe63140dc62b8fd1b6b3ac561487f99af3ad3722dd368420ae9764a9b11a3abaac7348c4c7f5e8cf
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C:\Users\Admin\68821130\plfiqbrm.pifMD5
8e699954f6b5d64683412cc560938507
SHA18ca6708b0f158eacce3ac28b23c23ed42c168c29
SHA256c9a2399cc1ce6f71db9da2f16e6c025bf6cb0f4345b427f21449cf927d627a40
SHA51213035106149c8d336189b4a6bdaf25e10ac0b027baea963b3ec66a815a572426b2e9485258447cf1362802a0f03a2aa257b276057590663161d9d55d5b737b02
-
C:\Users\Admin\AppData\Local\Temp\RegSvcs.exeMD5
0e06054beb13192588e745ee63a84173
SHA130b7d4d1277bafd04a83779fd566a1f834a8d113
SHA256c5d6d56ded55fbd6c150ee3a0eb2e5671cae83106be2be4d70ce50aa50bab768
SHA512251a112f3f037e62ff67a467389e47a56afb344bc942b17efa9bd2970494718b26bbee9adc3ac35f93ee4d2114aa426b6d0ea4bafad294b6c118a15f1977c215
-
C:\Users\Admin\AppData\Local\Temp\RegSvcs.exeMD5
0e06054beb13192588e745ee63a84173
SHA130b7d4d1277bafd04a83779fd566a1f834a8d113
SHA256c5d6d56ded55fbd6c150ee3a0eb2e5671cae83106be2be4d70ce50aa50bab768
SHA512251a112f3f037e62ff67a467389e47a56afb344bc942b17efa9bd2970494718b26bbee9adc3ac35f93ee4d2114aa426b6d0ea4bafad294b6c118a15f1977c215
-
C:\Users\Admin\AppData\Local\Temp\tmpAF9.tmpMD5
95aceabc58acad5d73372b0966ee1b35
SHA12293b7ad4793cf574b1a5220e85f329b5601040a
SHA2568d9642e1c3cd1e0b5d1763de2fb5e605ba593e5a918b93eec15acbc5dcc48fd4
SHA51200760dfc9d8caf357f0cee5336e5448a4cca18e32cc63e1a69c16e34fe00ea29acd5b2cf278e86c6f9c3e66a1b176d27ed927361848212e6bf1fade7d3d06e74
-
\Users\Admin\68821130\plfiqbrm.pifMD5
8e699954f6b5d64683412cc560938507
SHA18ca6708b0f158eacce3ac28b23c23ed42c168c29
SHA256c9a2399cc1ce6f71db9da2f16e6c025bf6cb0f4345b427f21449cf927d627a40
SHA51213035106149c8d336189b4a6bdaf25e10ac0b027baea963b3ec66a815a572426b2e9485258447cf1362802a0f03a2aa257b276057590663161d9d55d5b737b02
-
\Users\Admin\68821130\plfiqbrm.pifMD5
8e699954f6b5d64683412cc560938507
SHA18ca6708b0f158eacce3ac28b23c23ed42c168c29
SHA256c9a2399cc1ce6f71db9da2f16e6c025bf6cb0f4345b427f21449cf927d627a40
SHA51213035106149c8d336189b4a6bdaf25e10ac0b027baea963b3ec66a815a572426b2e9485258447cf1362802a0f03a2aa257b276057590663161d9d55d5b737b02
-
\Users\Admin\68821130\plfiqbrm.pifMD5
8e699954f6b5d64683412cc560938507
SHA18ca6708b0f158eacce3ac28b23c23ed42c168c29
SHA256c9a2399cc1ce6f71db9da2f16e6c025bf6cb0f4345b427f21449cf927d627a40
SHA51213035106149c8d336189b4a6bdaf25e10ac0b027baea963b3ec66a815a572426b2e9485258447cf1362802a0f03a2aa257b276057590663161d9d55d5b737b02
-
\Users\Admin\68821130\plfiqbrm.pifMD5
8e699954f6b5d64683412cc560938507
SHA18ca6708b0f158eacce3ac28b23c23ed42c168c29
SHA256c9a2399cc1ce6f71db9da2f16e6c025bf6cb0f4345b427f21449cf927d627a40
SHA51213035106149c8d336189b4a6bdaf25e10ac0b027baea963b3ec66a815a572426b2e9485258447cf1362802a0f03a2aa257b276057590663161d9d55d5b737b02
-
\Users\Admin\AppData\Local\Temp\RegSvcs.exeMD5
0e06054beb13192588e745ee63a84173
SHA130b7d4d1277bafd04a83779fd566a1f834a8d113
SHA256c5d6d56ded55fbd6c150ee3a0eb2e5671cae83106be2be4d70ce50aa50bab768
SHA512251a112f3f037e62ff67a467389e47a56afb344bc942b17efa9bd2970494718b26bbee9adc3ac35f93ee4d2114aa426b6d0ea4bafad294b6c118a15f1977c215
-
memory/572-67-0x00000000002C0000-0x00000000007A0000-memory.dmpFilesize
4.9MB
-
memory/572-68-0x00000000002DE792-mapping.dmp
-
memory/572-66-0x00000000002C0000-0x00000000007A0000-memory.dmpFilesize
4.9MB
-
memory/572-71-0x00000000002C0000-0x00000000007A0000-memory.dmpFilesize
4.9MB
-
memory/572-73-0x0000000002630000-0x0000000002631000-memory.dmpFilesize
4KB
-
memory/572-76-0x0000000001060000-0x0000000001065000-memory.dmpFilesize
20KB
-
memory/572-77-0x0000000001110000-0x0000000001129000-memory.dmpFilesize
100KB
-
memory/572-78-0x00000000010B0000-0x00000000010B3000-memory.dmpFilesize
12KB
-
memory/1116-54-0x0000000075BF1000-0x0000000075BF3000-memory.dmpFilesize
8KB
-
memory/1408-59-0x0000000000000000-mapping.dmp
-
memory/1840-74-0x0000000000000000-mapping.dmp