Analysis
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max time kernel
181s -
max time network
168s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
24-03-2022 15:04
Static task
static1
Behavioral task
behavioral1
Sample
7682c00d6e8b5e5bc377764adebd47bf93f81eadb4c26fdb346c81ceeceb9033.exe
Resource
win7-20220310-en
Behavioral task
behavioral2
Sample
7682c00d6e8b5e5bc377764adebd47bf93f81eadb4c26fdb346c81ceeceb9033.exe
Resource
win10v2004-en-20220113
General
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Target
7682c00d6e8b5e5bc377764adebd47bf93f81eadb4c26fdb346c81ceeceb9033.exe
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Size
7.4MB
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MD5
490771272a8196d15c063ff2210a74f0
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SHA1
ed0f559edd0895bb9c35083e0d3193e58d440830
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SHA256
7682c00d6e8b5e5bc377764adebd47bf93f81eadb4c26fdb346c81ceeceb9033
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SHA512
8575788603196ec49a77bfa05c0dc0fceca92b2662080068b49ca3e90f97612759bfbe2eafdabd13390a6ef8268067d0c313e05af0ffd280685348bab4f31232
Malware Config
Signatures
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Echelon log file 1 IoCs
Detects a log file produced by Echelon.
Processes:
yara_rule echelon_log_file -
Executes dropped EXE 5 IoCs
Processes:
CDS.execrypted.exeEncrypted.exeCDS.execrypted.exepid Process 4644 CDS.exe 4732 crypted.exe 1292 Encrypted.exe 4648 CDS.exe 216 crypted.exe -
Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
CDS.execrypted.exeCDS.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation CDS.exe Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation crypted.exe Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation CDS.exe -
Loads dropped DLL 2 IoCs
Processes:
CDS.exeCDS.exepid Process 4644 CDS.exe 4648 CDS.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
crypted.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 crypted.exe Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 crypted.exe Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 crypted.exe -
Adds Run key to start application 2 TTPs 4 IoCs
Processes:
Encrypted.exe7682c00d6e8b5e5bc377764adebd47bf93f81eadb4c26fdb346c81ceeceb9033.exedescription ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce Encrypted.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\"" Encrypted.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce 7682c00d6e8b5e5bc377764adebd47bf93f81eadb4c26fdb346c81ceeceb9033.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" 7682c00d6e8b5e5bc377764adebd47bf93f81eadb4c26fdb346c81ceeceb9033.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 22 api.ipify.org 23 api.ipify.org 26 ip-api.com -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies registry class 1 IoCs
Processes:
crypted.exedescription ioc Process Key created \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings crypted.exe -
Opens file in notepad (likely ransom note) 1 IoCs
Processes:
NOTEPAD.EXEpid Process 4328 NOTEPAD.EXE -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
crypted.exeCDS.exeCDS.exepid Process 216 crypted.exe 4644 CDS.exe 4644 CDS.exe 216 crypted.exe 4648 CDS.exe 4648 CDS.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
AUDIODG.EXEcrypted.exedescription pid Process Token: 33 3468 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 3468 AUDIODG.EXE Token: SeDebugPrivilege 216 crypted.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
CDS.exeCDS.exepid Process 4644 CDS.exe 4644 CDS.exe 4648 CDS.exe 4648 CDS.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
7682c00d6e8b5e5bc377764adebd47bf93f81eadb4c26fdb346c81ceeceb9033.exeCDS.execrypted.exeEncrypted.exeCDS.exedescription pid Process procid_target PID 2632 wrote to memory of 4644 2632 7682c00d6e8b5e5bc377764adebd47bf93f81eadb4c26fdb346c81ceeceb9033.exe 80 PID 2632 wrote to memory of 4644 2632 7682c00d6e8b5e5bc377764adebd47bf93f81eadb4c26fdb346c81ceeceb9033.exe 80 PID 2632 wrote to memory of 4644 2632 7682c00d6e8b5e5bc377764adebd47bf93f81eadb4c26fdb346c81ceeceb9033.exe 80 PID 4644 wrote to memory of 4732 4644 CDS.exe 83 PID 4644 wrote to memory of 4732 4644 CDS.exe 83 PID 4644 wrote to memory of 4732 4644 CDS.exe 83 PID 4732 wrote to memory of 1292 4732 crypted.exe 87 PID 4732 wrote to memory of 1292 4732 crypted.exe 87 PID 4732 wrote to memory of 1292 4732 crypted.exe 87 PID 4732 wrote to memory of 4328 4732 crypted.exe 88 PID 4732 wrote to memory of 4328 4732 crypted.exe 88 PID 4732 wrote to memory of 4328 4732 crypted.exe 88 PID 1292 wrote to memory of 4648 1292 Encrypted.exe 89 PID 1292 wrote to memory of 4648 1292 Encrypted.exe 89 PID 1292 wrote to memory of 4648 1292 Encrypted.exe 89 PID 4648 wrote to memory of 216 4648 CDS.exe 91 PID 4648 wrote to memory of 216 4648 CDS.exe 91 -
outlook_office_path 1 IoCs
Processes:
crypted.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 crypted.exe -
outlook_win_path 1 IoCs
Processes:
crypted.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 crypted.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\7682c00d6e8b5e5bc377764adebd47bf93f81eadb4c26fdb346c81ceeceb9033.exe"C:\Users\Admin\AppData\Local\Temp\7682c00d6e8b5e5bc377764adebd47bf93f81eadb4c26fdb346c81ceeceb9033.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2632 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CDS.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CDS.exe2⤵
- Executes dropped EXE
- Checks computer location settings
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4644 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\crypted.exe"C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\crypted.exe"3⤵
- Executes dropped EXE
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4732 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Encrypted.exe"C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Encrypted.exe"4⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1292 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\CDS.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\CDS.exe5⤵
- Executes dropped EXE
- Checks computer location settings
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4648 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\crypted.exe"C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\crypted.exe"6⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:216
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C:\Windows\SysWOW64\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\txt.txt4⤵
- Opens file in notepad (likely ransom note)
PID:4328
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x444 0x4cc1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3468
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
340b294efc691d1b20c64175d565ebc7
SHA181cb9649bd1c9a62ae79e781818fc24d15c29ce7
SHA25672566894059452101ea836bbff9ede5069141eeb52022ab55baa24e1666825c9
SHA5121395a8e175c63a1a1ff459a9dac437156c74299272e020e7e078a087969251a8534f17244a529acbc1b6800a97d4c0abfa3c88f6fcb88423f56dfaae9b49fc3d
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MD5
3e7ecaeb51c2812d13b07ec852d74aaf
SHA1e9bdab93596ffb0f7f8c65243c579180939acb26
SHA256e7e942993864e8b18780ef10a415f7b93924c6378248c52f0c96895735222b96
SHA512635cd5173b595f1905af9eeea65037601cf8496d519c506b6d082662d438c26a1bfe653eaf6edcb117ccf8767975c37ab0238ca4c77574e2706f9b238a15ad4d
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MD5
424bf196deaeb4ddcafb78e137fa560a
SHA1007738e9486c904a3115daa6e8ba2ee692af58c8
SHA2560963cef2f742a31b2604fe975f4471ae6a76641490fe60805db744fef9bdd5d2
SHA512a9be6dd5b2ed84baea34e0f1b1e8f5388ce3662c5dcb6a80c2d175be95f9598312837420c07b52cdfaa9e94bcffd8c7a2b9db2b551dfac171bce4b92f466e797
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MD5
424bf196deaeb4ddcafb78e137fa560a
SHA1007738e9486c904a3115daa6e8ba2ee692af58c8
SHA2560963cef2f742a31b2604fe975f4471ae6a76641490fe60805db744fef9bdd5d2
SHA512a9be6dd5b2ed84baea34e0f1b1e8f5388ce3662c5dcb6a80c2d175be95f9598312837420c07b52cdfaa9e94bcffd8c7a2b9db2b551dfac171bce4b92f466e797
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MD5
79112cb6a47b53ae2844d502f0a5d7c2
SHA143509a0719409190eb27e962d07b8099258cc816
SHA2567082302ceee9e84632ae16a2e3b44747e24424748086f522b6303e4bca9e4948
SHA5126c63acc37f3ab9dfa66d0d44f8edb0b2ea71a7224055936e5db2e64eb8a037bbea8aeb16b4f3182e4ff40fb8fc786346be0fd82ac51ba874431b08f0de5990c4
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MD5
79112cb6a47b53ae2844d502f0a5d7c2
SHA143509a0719409190eb27e962d07b8099258cc816
SHA2567082302ceee9e84632ae16a2e3b44747e24424748086f522b6303e4bca9e4948
SHA5126c63acc37f3ab9dfa66d0d44f8edb0b2ea71a7224055936e5db2e64eb8a037bbea8aeb16b4f3182e4ff40fb8fc786346be0fd82ac51ba874431b08f0de5990c4
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MD5
8cef5ce6c6cab51899d8e408142fa8f6
SHA1554c24a156a067d96452211249cff8b4c8104dd1
SHA2564e0fe05b0ce3d067d9ce52202aff40e44af973715c85a05244c255af06e36534
SHA512b6ca078d38f10af8731f535f8eac8a80d48a7c20f9745817bfd3af60c12f6debd66e321731c9e77e7dde2c6892c65b2ef0265c2fe685af0b27fb1c20927e6423
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MD5
13613441b3b4e415ec3e0311c364fca9
SHA1679fdbccd74e0a27c0d42df7a787e1ab0cdfd2a1
SHA2568e5db41d7be640cf1a007241568b32f2d1b8105839acb3fae7ade57b86c49efa
SHA5120dad186e906cf0c0d6aa943e91f8de6ac864fc278397c986479c7441cbbd9177e8f0c7b9bab58a0d92a67231a7f596e89f89cf2789a829ed772f9fad3e01d12a
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MD5
13613441b3b4e415ec3e0311c364fca9
SHA1679fdbccd74e0a27c0d42df7a787e1ab0cdfd2a1
SHA2568e5db41d7be640cf1a007241568b32f2d1b8105839acb3fae7ade57b86c49efa
SHA5120dad186e906cf0c0d6aa943e91f8de6ac864fc278397c986479c7441cbbd9177e8f0c7b9bab58a0d92a67231a7f596e89f89cf2789a829ed772f9fad3e01d12a
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MD5
68934a3e9455fa72420237eb05902327
SHA17cb6efb98ba5972a9b5090dc2e517fe14d12cb04
SHA256fcbcf165908dd18a9e49f7ff27810176db8e9f63b4352213741664245224f8aa
SHA512719fa67eef49c4b2a2b83f0c62bddd88c106aaadb7e21ae057c8802b700e36f81fe3f144812d8b05d66dc663d908b25645e153262cf6d457aa34e684af9e328d
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MD5
c3256800dce47c14acc83ccca4c3e2ac
SHA19d126818c66991dbc3813a65eddb88bbcf77f30a
SHA256f26f4f66022acc96d0319c09814ebeda60f4ab96b63b6262045dc786dc7c5866
SHA5126865a98ad8a6bd02d1ba35a28b36b6306af393f5e9ad767cd6da027bb021f7399d629423f510c44436ac3e4603b6c606493edf8b14d21fabf3eab16d37bd0d25
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MD5
c3256800dce47c14acc83ccca4c3e2ac
SHA19d126818c66991dbc3813a65eddb88bbcf77f30a
SHA256f26f4f66022acc96d0319c09814ebeda60f4ab96b63b6262045dc786dc7c5866
SHA5126865a98ad8a6bd02d1ba35a28b36b6306af393f5e9ad767cd6da027bb021f7399d629423f510c44436ac3e4603b6c606493edf8b14d21fabf3eab16d37bd0d25
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MD5
bdd7dd3c4f48fd81508966f8ef89b732
SHA1a56ea6dade632e3a77bdb0cd5efa78fa115e9409
SHA256be3b4e28c9ae0b5b4cf78942012d467bb25ffa11c91bda98fc22b94ff97896a0
SHA512a71f4e1081e4cf7933812c620c83e8d5fcbb374c8cef7a9d8f06ca99c599ebdba775a8b105be202b7bd24df429fb48848acc2e06b45914d9d2151e3e74a0b991
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MD5
340b294efc691d1b20c64175d565ebc7
SHA181cb9649bd1c9a62ae79e781818fc24d15c29ce7
SHA25672566894059452101ea836bbff9ede5069141eeb52022ab55baa24e1666825c9
SHA5121395a8e175c63a1a1ff459a9dac437156c74299272e020e7e078a087969251a8534f17244a529acbc1b6800a97d4c0abfa3c88f6fcb88423f56dfaae9b49fc3d
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MD5
3e7ecaeb51c2812d13b07ec852d74aaf
SHA1e9bdab93596ffb0f7f8c65243c579180939acb26
SHA256e7e942993864e8b18780ef10a415f7b93924c6378248c52f0c96895735222b96
SHA512635cd5173b595f1905af9eeea65037601cf8496d519c506b6d082662d438c26a1bfe653eaf6edcb117ccf8767975c37ab0238ca4c77574e2706f9b238a15ad4d
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MD5
424bf196deaeb4ddcafb78e137fa560a
SHA1007738e9486c904a3115daa6e8ba2ee692af58c8
SHA2560963cef2f742a31b2604fe975f4471ae6a76641490fe60805db744fef9bdd5d2
SHA512a9be6dd5b2ed84baea34e0f1b1e8f5388ce3662c5dcb6a80c2d175be95f9598312837420c07b52cdfaa9e94bcffd8c7a2b9db2b551dfac171bce4b92f466e797
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MD5
424bf196deaeb4ddcafb78e137fa560a
SHA1007738e9486c904a3115daa6e8ba2ee692af58c8
SHA2560963cef2f742a31b2604fe975f4471ae6a76641490fe60805db744fef9bdd5d2
SHA512a9be6dd5b2ed84baea34e0f1b1e8f5388ce3662c5dcb6a80c2d175be95f9598312837420c07b52cdfaa9e94bcffd8c7a2b9db2b551dfac171bce4b92f466e797
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MD5
756e089a055d07461b35549b542ef4d8
SHA14c652e9fdf95200de724aae517bd0a8f45e87bcd
SHA2568d17bbb32df3c926ec6af1bdfd26a5f01b603e85cac495d720fc9aaece15c52d
SHA512ec3181acd21763d13a8d328846986b0c875b3c082c6ce47b4360cb7bb87902fa0192d988448038b9725f2a9a3f7f430c00037e468591d869d361b72b2c11e7f1
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MD5
245599d3047f622e6906f226f886bd86
SHA1e49c9221a8d03125c0a772458cb1a8aac42775f9
SHA2569abba50fcc018d58668c3f9c5deed71b3d4e41f53380a0a6eb8e37e87390d9c9
SHA5128dee7b8dfd13fbebda26c962b00382dc86e2446d0e7a9a124d30016cdc18553a5c14ff8f946352bae322684f5a7c7e980372be991585fcc4267e944ca940a065
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MD5
245599d3047f622e6906f226f886bd86
SHA1e49c9221a8d03125c0a772458cb1a8aac42775f9
SHA2569abba50fcc018d58668c3f9c5deed71b3d4e41f53380a0a6eb8e37e87390d9c9
SHA5128dee7b8dfd13fbebda26c962b00382dc86e2446d0e7a9a124d30016cdc18553a5c14ff8f946352bae322684f5a7c7e980372be991585fcc4267e944ca940a065
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MD5
68934a3e9455fa72420237eb05902327
SHA17cb6efb98ba5972a9b5090dc2e517fe14d12cb04
SHA256fcbcf165908dd18a9e49f7ff27810176db8e9f63b4352213741664245224f8aa
SHA512719fa67eef49c4b2a2b83f0c62bddd88c106aaadb7e21ae057c8802b700e36f81fe3f144812d8b05d66dc663d908b25645e153262cf6d457aa34e684af9e328d
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MD5
c3256800dce47c14acc83ccca4c3e2ac
SHA19d126818c66991dbc3813a65eddb88bbcf77f30a
SHA256f26f4f66022acc96d0319c09814ebeda60f4ab96b63b6262045dc786dc7c5866
SHA5126865a98ad8a6bd02d1ba35a28b36b6306af393f5e9ad767cd6da027bb021f7399d629423f510c44436ac3e4603b6c606493edf8b14d21fabf3eab16d37bd0d25
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MD5
c3256800dce47c14acc83ccca4c3e2ac
SHA19d126818c66991dbc3813a65eddb88bbcf77f30a
SHA256f26f4f66022acc96d0319c09814ebeda60f4ab96b63b6262045dc786dc7c5866
SHA5126865a98ad8a6bd02d1ba35a28b36b6306af393f5e9ad767cd6da027bb021f7399d629423f510c44436ac3e4603b6c606493edf8b14d21fabf3eab16d37bd0d25