5b73fe2b2388fcd2b0f2c71f8499221e5ccd1bcfc4e31d2140d5eca1c3a45414

Analysis

max time kernel
36s
max time network
53s
platform
windows10_x64
resource
win10v20210408
submitted
01-06-2021 03:36

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General

Target

BB67A245F1B9A49C4BF41DADFC8ACE6E.exe
Size

3.4MB
MD5

bb67a245f1b9a49c4bf41dadfc8ace6e
SHA1

d16a2b6cc2dcf990b5c022ff75780e512c5893fb
SHA256

5b73fe2b2388fcd2b0f2c71f8499221e5ccd1bcfc4e31d2140d5eca1c3a45414
SHA512

abd5380fe2d054885a8d3ab378ab2a65885de41684f0af5d4e9c248a1dfd44ecb0852603e2e82f356900514803de4b8e23868e9c597aa58c54410aac5c2ff6f5

Score

8^/10

aspackv2

Malware Config

Signatures

ASPack v2.12-2.42 8 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\7zS86BC9A44\setup_install.exe	aspack_v212_v242
C:\Users\Admin\AppData\Local\Temp\7zS86BC9A44\setup_install.exe	aspack_v212_v242
C:\Users\Admin\AppData\Local\Temp\7zS86BC9A44\libcurlpp.dll	aspack_v212_v242
C:\Users\Admin\AppData\Local\Temp\7zS86BC9A44\libcurl.dll	aspack_v212_v242
\Users\Admin\AppData\Local\Temp\7zS86BC9A44\libcurlpp.dll	aspack_v212_v242
C:\Users\Admin\AppData\Local\Temp\7zS86BC9A44\libstdc++-6.dll	aspack_v212_v242
\Users\Admin\AppData\Local\Temp\7zS86BC9A44\libstdc++-6.dll	aspack_v212_v242
\Users\Admin\AppData\Local\Temp\7zS86BC9A44\libcurl.dll	aspack_v212_v242

Executes dropped EXE 2 IoCs

Processes:

setup_installer.exesetup_install.exe

pid process

2920 setup_installer.exe
208 setup_install.exe
Loads dropped DLL 5 IoCs

Processes:

setup_install.exe

pid process

208 setup_install.exe
208 setup_install.exe
208 setup_install.exe
208 setup_install.exe
208 setup_install.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1648 208 WerFault.exe setup_install.exe

pid	process
2920	setup_installer.exe
208	setup_install.exe

pid	process
208	setup_install.exe
208	setup_install.exe
208	setup_install.exe
208	setup_install.exe
208	setup_install.exe

pid	pid_target	process	target process
1648	208	WerFault.exe	setup_install.exe

Suspicious behavior: EnumeratesProcesses 17 IoCs

Processes:

WerFault.exe

pid	process
1648	WerFault.exe
1648	WerFault.exe
1648	WerFault.exe
1648	WerFault.exe
1648	WerFault.exe
1648	WerFault.exe
1648	WerFault.exe
1648	WerFault.exe
1648	WerFault.exe
1648	WerFault.exe
1648	WerFault.exe
1648	WerFault.exe
1648	WerFault.exe
1648	WerFault.exe
1648	WerFault.exe
1648	WerFault.exe
1648	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 1648 WerFault.exe
Token: SeBackupPrivilege 1648 WerFault.exe
Token: SeDebugPrivilege 1648 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	1648	WerFault.exe
Token: SeBackupPrivilege	1648	WerFault.exe
Token: SeDebugPrivilege	1648	WerFault.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

BB67A245F1B9A49C4BF41DADFC8ACE6E.exesetup_installer.exe

description	pid	process	target process
PID 2988 wrote to memory of 2920	2988	BB67A245F1B9A49C4BF41DADFC8ACE6E.exe	setup_installer.exe
PID 2988 wrote to memory of 2920	2988	BB67A245F1B9A49C4BF41DADFC8ACE6E.exe	setup_installer.exe
PID 2988 wrote to memory of 2920	2988	BB67A245F1B9A49C4BF41DADFC8ACE6E.exe	setup_installer.exe
PID 2920 wrote to memory of 208	2920	setup_installer.exe	setup_install.exe
PID 2920 wrote to memory of 208	2920	setup_installer.exe	setup_install.exe
PID 2920 wrote to memory of 208	2920	setup_installer.exe	setup_install.exe

C:\Users\Admin\AppData\Local\Temp\BB67A245F1B9A49C4BF41DADFC8ACE6E.exe
"C:\Users\Admin\AppData\Local\Temp\BB67A245F1B9A49C4BF41DADFC8ACE6E.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2988

C:\Users\Admin\AppData\Local\Temp\setup_installer.exe
"C:\Users\Admin\AppData\Local\Temp\setup_installer.exe"
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2920

C:\Users\Admin\AppData\Local\Temp\7zS86BC9A44\setup_install.exe
"C:\Users\Admin\AppData\Local\Temp\7zS86BC9A44\setup_install.exe"
3⤵
- Executes dropped EXE
- Loads dropped DLL
PID:208

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 460
4⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1648

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\7zS86BC9A44\libcurl.dll
MD5
d09be1f47fd6b827c81a4812b4f7296f

SHA1
028ae3596c0790e6d7f9f2f3c8e9591527d267f7

SHA256
0de53e7be51789adaec5294346220b20f793e7f8d153a3c110a92d658760697e

SHA512
857f44a1383c29208509b8f1164b6438d750d5bb4419add7626986333433e67a0d1211ec240ce9472f30a1f32b16c8097aceba4b2255641b3d8928f94237f595

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS86BC9A44\libcurlpp.dll
MD5
e6e578373c2e416289a8da55f1dc5e8e

SHA1
b601a229b66ec3d19c2369b36216c6f6eb1c063e

SHA256
43e86d650a68f1f91fa2f4375aff2720e934aa78fa3d33e06363122bf5a9535f

SHA512
9df6a8c418113a77051f6cb02745ad48c521c13cdadb85e0e37f79e29041464c8c7d7ba8c558fdd877035eb8475b6f93e7fc62b38504ddfe696a61480cabac89

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS86BC9A44\libgcc_s_dw2-1.dll
MD5
9aec524b616618b0d3d00b27b6f51da1

SHA1
64264300801a353db324d11738ffed876550e1d3

SHA256
59a466f77584438fc3abc0f43edc0fc99d41851726827a008841f05cfe12da7e

SHA512
0648a26940e8f4aad73b05ad53e43316dd688e5d55e293cce88267b2b8744412be2e0d507dadad830776bf715bcd819f00f5d1f7ac1c5f1c4f682fb7457a20d0

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS86BC9A44\libstdc++-6.dll
MD5
5e279950775baae5fea04d2cc4526bcc

SHA1
8aef1e10031c3629512c43dd8b0b5d9060878453

SHA256
97de47068327bb822b33c7106f9cbb489480901a6749513ef5c31d229dcaca87

SHA512
666325e9ed71da4955058aea31b91e2e848be43211e511865f393b7f537c208c6b31c182f7d728c2704e9fc87e7d1be3f98f5fee4d34f11c56764e1c599afd02

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS86BC9A44\libwinpthread-1.dll
MD5
1e0d62c34ff2e649ebc5c372065732ee

SHA1
fcfaa36ba456159b26140a43e80fbd7e9d9af2de

SHA256
509cb1d1443b623a02562ac760bced540e327c65157ffa938a22f75e38155723

SHA512
3653f8ed8ad3476632f731a3e76c6aae97898e4bf14f70007c93e53bc443906835be29f861c4a123db5b11e0f3dd5013b2b3833469a062060825df9ee708dc61

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS86BC9A44\setup_install.exe
MD5
e38081d1d9c403dc006a28e7a27cd58e

SHA1
6362593680c2949a247b55565abc20c78af5ac80

SHA256
7860f9cbd099be045d3a8a5672ea560951c496fcb496a1048afc8381b69b2331

SHA512
57f56a42476ee80f99d2d643bee2dd2e7a191c69e1ee0b1f9e165234b28746632987f79bf6f9573ae7d07e0970a27429df52fceff59aa83c67aecacbcf36d894

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS86BC9A44\setup_install.exe
MD5
e38081d1d9c403dc006a28e7a27cd58e

SHA1
6362593680c2949a247b55565abc20c78af5ac80

SHA256
7860f9cbd099be045d3a8a5672ea560951c496fcb496a1048afc8381b69b2331

SHA512
57f56a42476ee80f99d2d643bee2dd2e7a191c69e1ee0b1f9e165234b28746632987f79bf6f9573ae7d07e0970a27429df52fceff59aa83c67aecacbcf36d894

Download Submit
C:\Users\Admin\AppData\Local\Temp\setup_installer.exe
MD5
4c8a89533c3dc5d19023179db34add8b

SHA1
62f568d0c54debae79500184889d39827d6c2132

SHA256
85192d457657d437d5c053a63fa54f08227e5694f3917ec280ae715d07bd44fb

SHA512
060319f6ad243ed87b51e227edfe525fa805853a799109ebf187bba2a64b08bed4c593ada084f0e85c403c6bd92b47662625ab5e09cc6bc7776ded1bded9d640

Download Submit
C:\Users\Admin\AppData\Local\Temp\setup_installer.exe
MD5
4c8a89533c3dc5d19023179db34add8b

SHA1
62f568d0c54debae79500184889d39827d6c2132

SHA256
85192d457657d437d5c053a63fa54f08227e5694f3917ec280ae715d07bd44fb

SHA512
060319f6ad243ed87b51e227edfe525fa805853a799109ebf187bba2a64b08bed4c593ada084f0e85c403c6bd92b47662625ab5e09cc6bc7776ded1bded9d640

Download Submit
\Users\Admin\AppData\Local\Temp\7zS86BC9A44\libcurl.dll
MD5
d09be1f47fd6b827c81a4812b4f7296f

SHA1
028ae3596c0790e6d7f9f2f3c8e9591527d267f7

SHA256
0de53e7be51789adaec5294346220b20f793e7f8d153a3c110a92d658760697e

SHA512
857f44a1383c29208509b8f1164b6438d750d5bb4419add7626986333433e67a0d1211ec240ce9472f30a1f32b16c8097aceba4b2255641b3d8928f94237f595

Download Submit
\Users\Admin\AppData\Local\Temp\7zS86BC9A44\libcurlpp.dll
MD5
e6e578373c2e416289a8da55f1dc5e8e

SHA1
b601a229b66ec3d19c2369b36216c6f6eb1c063e

SHA256
43e86d650a68f1f91fa2f4375aff2720e934aa78fa3d33e06363122bf5a9535f

SHA512
9df6a8c418113a77051f6cb02745ad48c521c13cdadb85e0e37f79e29041464c8c7d7ba8c558fdd877035eb8475b6f93e7fc62b38504ddfe696a61480cabac89

Download Submit
\Users\Admin\AppData\Local\Temp\7zS86BC9A44\libgcc_s_dw2-1.dll
MD5
9aec524b616618b0d3d00b27b6f51da1

SHA1
64264300801a353db324d11738ffed876550e1d3

SHA256
59a466f77584438fc3abc0f43edc0fc99d41851726827a008841f05cfe12da7e

SHA512
0648a26940e8f4aad73b05ad53e43316dd688e5d55e293cce88267b2b8744412be2e0d507dadad830776bf715bcd819f00f5d1f7ac1c5f1c4f682fb7457a20d0

Download Submit
\Users\Admin\AppData\Local\Temp\7zS86BC9A44\libstdc++-6.dll
MD5
5e279950775baae5fea04d2cc4526bcc

SHA1
8aef1e10031c3629512c43dd8b0b5d9060878453

SHA256
97de47068327bb822b33c7106f9cbb489480901a6749513ef5c31d229dcaca87

SHA512
666325e9ed71da4955058aea31b91e2e848be43211e511865f393b7f537c208c6b31c182f7d728c2704e9fc87e7d1be3f98f5fee4d34f11c56764e1c599afd02

Download Submit
\Users\Admin\AppData\Local\Temp\7zS86BC9A44\libwinpthread-1.dll
MD5
1e0d62c34ff2e649ebc5c372065732ee

SHA1
fcfaa36ba456159b26140a43e80fbd7e9d9af2de

SHA256
509cb1d1443b623a02562ac760bced540e327c65157ffa938a22f75e38155723

SHA512
3653f8ed8ad3476632f731a3e76c6aae97898e4bf14f70007c93e53bc443906835be29f861c4a123db5b11e0f3dd5013b2b3833469a062060825df9ee708dc61

Download Submit
memory/208-117-0x0000000000000000-mapping.dmp

Download
memory/208-130-0x0000000064940000-0x0000000064959000-memory.dmp

Filesize
100KB

Download
memory/208-131-0x0000000064940000-0x0000000064959000-memory.dmp

Filesize
100KB

Download
memory/208-132-0x0000000064940000-0x0000000064959000-memory.dmp

Filesize
100KB

Download
memory/208-133-0x0000000064940000-0x0000000064959000-memory.dmp

Filesize
100KB

Download
memory/208-134-0x000000006B440000-0x000000006B4CF000-memory.dmp

Filesize
572KB

Download
memory/208-136-0x000000006B280000-0x000000006B2A6000-memory.dmp

Filesize
152KB

Download
memory/208-137-0x0000000000400000-0x000000000051D000-memory.dmp

Filesize
1.1MB

Download
memory/208-135-0x000000006FE40000-0x000000006FFC6000-memory.dmp

Filesize
1.5MB

Download
memory/2920-114-0x0000000000000000-mapping.dmp

Download