Analysis
-
max time kernel
148s -
max time network
155s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
27-01-2021 18:01
Static task
static1
Behavioral task
behavioral1
Sample
Statement.doc
Resource
win7v20201028
Behavioral task
behavioral2
Sample
Statement.doc
Resource
win10v20201028
General
-
Target
Statement.doc
-
Size
108KB
-
MD5
854716b6ff05f02534960443c94340a1
-
SHA1
6955e99f687a65747a95745b721c43543f3cf389
-
SHA256
1421f7c867ff97c915fab1236fe5277b3116b426c0102f805fab25ef19fc681c
-
SHA512
c05f6e67531bbefc6dd30bc13b3bee940ea63d1050d6ab26b8b2e8059e10f1714f1a2c2d4700d85ca863cfcd2b0b9665fc08121c9aada7ebb390bdf70bd5e89e
Malware Config
Extracted
nanocore
1.2.2.0
dmjncbzvayuywqalponmcbvzcxhyuesgfhdnautwm.ydns.eu:2420
9a83c6a0-5b64-416c-b0dc-d47048e32edf
-
activate_away_mode
true
- backup_connection_host
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2020-11-08T01:17:30.860776436Z
-
bypass_user_account_control
false
-
bypass_user_account_control_data
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
-
clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
2420
-
default_group
Default
-
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
9a83c6a0-5b64-416c-b0dc-d47048e32edf
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
dmjncbzvayuywqalponmcbvzcxhyuesgfhdnautwm.ydns.eu
-
primary_dns_server
8.8.8.8
-
request_elevation
true
-
restart_delay
5000
-
run_delay
0
-
run_on_startup
false
-
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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Blocklisted process makes network request 1 IoCs
Processes:
EQNEDT32.EXEflow pid process 5 1388 EQNEDT32.EXE -
Executes dropped EXE 2 IoCs
Processes:
JNM.exeJNM.exepid process 1052 JNM.exe 1800 JNM.exe -
Loads dropped DLL 2 IoCs
Processes:
EQNEDT32.EXEpid process 1388 EQNEDT32.EXE 1388 EQNEDT32.EXE -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
JNM.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\NTFS Manager = "C:\\Program Files (x86)\\NTFS Manager\\ntfsmgr.exe" JNM.exe -
Processes:
JNM.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA JNM.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious use of NtSetInformationThreadHideFromDebugger 7 IoCs
Processes:
JNM.exepid process 1052 JNM.exe 1052 JNM.exe 1052 JNM.exe 1052 JNM.exe 1052 JNM.exe 1052 JNM.exe 1052 JNM.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
JNM.exedescription pid process target process PID 1052 set thread context of 1800 1052 JNM.exe JNM.exe -
Drops file in Program Files directory 2 IoCs
Processes:
JNM.exedescription ioc process File created C:\Program Files (x86)\NTFS Manager\ntfsmgr.exe JNM.exe File opened for modification C:\Program Files (x86)\NTFS Manager\ntfsmgr.exe JNM.exe -
Drops file in Windows directory 1 IoCs
Processes:
WINWORD.EXEdescription ioc process File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE -
Office loads VBA resources, possible macro or embedded object present
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Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 1604 schtasks.exe 1376 schtasks.exe -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 668 timeout.exe -
Launches Equation Editor 1 TTPs 1 IoCs
Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.
-
Processes:
WINWORD.EXEdescription ioc process Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel WINWORD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" WINWORD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
WINWORD.EXEpid process 336 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
JNM.exeJNM.exepid process 1052 JNM.exe 1052 JNM.exe 1052 JNM.exe 1800 JNM.exe 1800 JNM.exe 1800 JNM.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
JNM.exepid process 1800 JNM.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
JNM.exeJNM.exedescription pid process Token: SeDebugPrivilege 1052 JNM.exe Token: SeDebugPrivilege 1800 JNM.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
WINWORD.EXEpid process 336 WINWORD.EXE 336 WINWORD.EXE -
Suspicious use of WriteProcessMemory 29 IoCs
Processes:
EQNEDT32.EXEJNM.execmd.exeJNM.exedescription pid process target process PID 1388 wrote to memory of 1052 1388 EQNEDT32.EXE JNM.exe PID 1388 wrote to memory of 1052 1388 EQNEDT32.EXE JNM.exe PID 1388 wrote to memory of 1052 1388 EQNEDT32.EXE JNM.exe PID 1388 wrote to memory of 1052 1388 EQNEDT32.EXE JNM.exe PID 1052 wrote to memory of 916 1052 JNM.exe cmd.exe PID 1052 wrote to memory of 916 1052 JNM.exe cmd.exe PID 1052 wrote to memory of 916 1052 JNM.exe cmd.exe PID 1052 wrote to memory of 916 1052 JNM.exe cmd.exe PID 916 wrote to memory of 668 916 cmd.exe timeout.exe PID 916 wrote to memory of 668 916 cmd.exe timeout.exe PID 916 wrote to memory of 668 916 cmd.exe timeout.exe PID 916 wrote to memory of 668 916 cmd.exe timeout.exe PID 1052 wrote to memory of 1800 1052 JNM.exe JNM.exe PID 1052 wrote to memory of 1800 1052 JNM.exe JNM.exe PID 1052 wrote to memory of 1800 1052 JNM.exe JNM.exe PID 1052 wrote to memory of 1800 1052 JNM.exe JNM.exe PID 1052 wrote to memory of 1800 1052 JNM.exe JNM.exe PID 1052 wrote to memory of 1800 1052 JNM.exe JNM.exe PID 1052 wrote to memory of 1800 1052 JNM.exe JNM.exe PID 1052 wrote to memory of 1800 1052 JNM.exe JNM.exe PID 1052 wrote to memory of 1800 1052 JNM.exe JNM.exe PID 1800 wrote to memory of 1604 1800 JNM.exe schtasks.exe PID 1800 wrote to memory of 1604 1800 JNM.exe schtasks.exe PID 1800 wrote to memory of 1604 1800 JNM.exe schtasks.exe PID 1800 wrote to memory of 1604 1800 JNM.exe schtasks.exe PID 1800 wrote to memory of 1376 1800 JNM.exe schtasks.exe PID 1800 wrote to memory of 1376 1800 JNM.exe schtasks.exe PID 1800 wrote to memory of 1376 1800 JNM.exe schtasks.exe PID 1800 wrote to memory of 1376 1800 JNM.exe schtasks.exe
Processes
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C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\Statement.doc"1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
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C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding1⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Launches Equation Editor
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\JNM.exe"C:\Users\Admin\AppData\Roaming\JNM.exe"2⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout 13⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout 14⤵
- Delays execution with timeout.exe
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C:\Users\Admin\AppData\Roaming\JNM.exe"C:\Users\Admin\AppData\Roaming\JNM.exe"3⤵
- Executes dropped EXE
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "NTFS Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB9AE.tmp"4⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "NTFS Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpBB54.tmp"4⤵
- Creates scheduled task(s)
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpB9AE.tmpMD5
98ef88dde39d876cdd99f4d4d01ab0a4
SHA1d003cd8e9666432bdf06e2d806966c0d0a77cf1d
SHA256fb1e8c38d756e61ff5798ba3ff0d15c3a2dae45a947ab14384f5f946783402ad
SHA512d1dca2eb3929ef523ae03cd3db86e60892ce223fc06c91cfa216876441d7927548f060a03c04cd80f2c51ecfada8ac8dbd3e45d6f54a2a2b2c1145a731dc6366
-
C:\Users\Admin\AppData\Local\Temp\tmpBB54.tmpMD5
41808f05a9aa523d0ef506d4993f1d6c
SHA15a228145decf63ebbbd673c9b7c08a86236a22d4
SHA256f76bd5da395a725b5998efab9a5d3160657cf2d44a8be83fa24af6ba29acf731
SHA5127cf71f8fd8dccaa8cf2c724afca3178be8b7a6e0cc6e4b44990e96413bd0dac8248e2bcfa1bb82da05efb6c4b46649722c20ce14cf4a44f1720e18732bd9246e
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C:\Users\Admin\AppData\Roaming\JNM.exeMD5
10d30ad1922421e73e133ad020df424f
SHA17ab820dc29537ebaadb2d04c2f8b6f246cb8f24a
SHA25679d73d305e1a52c157868e9f0305ae5e6aebb28e43d360334c118fc1640a5b2c
SHA51272e98b506476ee511d54d0f676fe559c603dd688d5c56b43a124d2d1a712561cd97236cacfe9dc064e416537ca717c2d207f0b4a123ccfa1e966372d8f642a8a
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C:\Users\Admin\AppData\Roaming\JNM.exeMD5
10d30ad1922421e73e133ad020df424f
SHA17ab820dc29537ebaadb2d04c2f8b6f246cb8f24a
SHA25679d73d305e1a52c157868e9f0305ae5e6aebb28e43d360334c118fc1640a5b2c
SHA51272e98b506476ee511d54d0f676fe559c603dd688d5c56b43a124d2d1a712561cd97236cacfe9dc064e416537ca717c2d207f0b4a123ccfa1e966372d8f642a8a
-
C:\Users\Admin\AppData\Roaming\JNM.exeMD5
10d30ad1922421e73e133ad020df424f
SHA17ab820dc29537ebaadb2d04c2f8b6f246cb8f24a
SHA25679d73d305e1a52c157868e9f0305ae5e6aebb28e43d360334c118fc1640a5b2c
SHA51272e98b506476ee511d54d0f676fe559c603dd688d5c56b43a124d2d1a712561cd97236cacfe9dc064e416537ca717c2d207f0b4a123ccfa1e966372d8f642a8a
-
\Users\Admin\AppData\Roaming\JNM.exeMD5
10d30ad1922421e73e133ad020df424f
SHA17ab820dc29537ebaadb2d04c2f8b6f246cb8f24a
SHA25679d73d305e1a52c157868e9f0305ae5e6aebb28e43d360334c118fc1640a5b2c
SHA51272e98b506476ee511d54d0f676fe559c603dd688d5c56b43a124d2d1a712561cd97236cacfe9dc064e416537ca717c2d207f0b4a123ccfa1e966372d8f642a8a
-
\Users\Admin\AppData\Roaming\JNM.exeMD5
10d30ad1922421e73e133ad020df424f
SHA17ab820dc29537ebaadb2d04c2f8b6f246cb8f24a
SHA25679d73d305e1a52c157868e9f0305ae5e6aebb28e43d360334c118fc1640a5b2c
SHA51272e98b506476ee511d54d0f676fe559c603dd688d5c56b43a124d2d1a712561cd97236cacfe9dc064e416537ca717c2d207f0b4a123ccfa1e966372d8f642a8a
-
memory/336-2-0x00000000720E1000-0x00000000720E4000-memory.dmpFilesize
12KB
-
memory/336-3-0x000000006FB61000-0x000000006FB63000-memory.dmpFilesize
8KB
-
memory/336-4-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
-
memory/668-17-0x0000000000000000-mapping.dmp
-
memory/916-16-0x0000000000000000-mapping.dmp
-
memory/1052-15-0x00000000004C0000-0x00000000004C1000-memory.dmpFilesize
4KB
-
memory/1052-12-0x00000000001C0000-0x00000000001C1000-memory.dmpFilesize
4KB
-
memory/1052-14-0x0000000000470000-0x00000000004B3000-memory.dmpFilesize
268KB
-
memory/1052-11-0x000000006AC90000-0x000000006B37E000-memory.dmpFilesize
6.9MB
-
memory/1052-8-0x0000000000000000-mapping.dmp
-
memory/1376-28-0x0000000000000000-mapping.dmp
-
memory/1388-5-0x00000000753E1000-0x00000000753E3000-memory.dmpFilesize
8KB
-
memory/1604-26-0x0000000000000000-mapping.dmp
-
memory/1800-19-0x000000000041E792-mapping.dmp
-
memory/1800-25-0x0000000000740000-0x0000000000741000-memory.dmpFilesize
4KB
-
memory/1800-22-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
-
memory/1800-21-0x000000006AC90000-0x000000006B37E000-memory.dmpFilesize
6.9MB
-
memory/1800-18-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
-
memory/1800-30-0x00000000004B0000-0x00000000004B5000-memory.dmpFilesize
20KB
-
memory/1800-31-0x00000000004C0000-0x00000000004D9000-memory.dmpFilesize
100KB
-
memory/1800-32-0x0000000000520000-0x0000000000523000-memory.dmpFilesize
12KB