398e11e41cb7415cbbfb79bd47be8dfab34699897061076d18ab633ba403b39b

General

Target

NA_NA_1ca9fd6d1782ddexeexe_JC.exe
Size

280KB
MD5

1ca9fd6d1782dd240f32b121b947065e
SHA1

2ad6ba1f1881f8d83f197549f43ee56c1311f57f
SHA256

398e11e41cb7415cbbfb79bd47be8dfab34699897061076d18ab633ba403b39b
SHA512

9e61c5d40263c34f5cb5a0869c9dde1f5c05aae391c5a5a2071145314d5ea27ec788e3b40b0b0842d79febeb8d99863cf8fd6e941b706a2d872cc4fd5881a905
SSDEEP

6144:GTz+WrPFZvTXb4RyW42vFlOloh2E+7pYUozDK:GTBPFV0RyWl3h2E+7pl

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1676	lsassys.exe
2804	lsassys.exe

Loads dropped DLL 3 IoCs

pid	Process
2220	NA_NA_1ca9fd6d1782ddexeexe_JC.exe
2220	NA_NA_1ca9fd6d1782ddexeexe_JC.exe
2220	NA_NA_1ca9fd6d1782ddexeexe_JC.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 28 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\halnt\shell\runas\command	NA_NA_1ca9fd6d1782ddexeexe_JC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\halnt\shell\runas\command\ = "\"%1\" %*"	NA_NA_1ca9fd6d1782ddexeexe_JC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\.exe\DefaultIcon\ = "%1"	NA_NA_1ca9fd6d1782ddexeexe_JC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\.exe\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Sys32\\lsassys.exe\" /START \"%1\" %*"	NA_NA_1ca9fd6d1782ddexeexe_JC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\.exe\shell\open\command\IsolatedCommand = "\"%1\" %*"	NA_NA_1ca9fd6d1782ddexeexe_JC.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\halnt\shell\open	NA_NA_1ca9fd6d1782ddexeexe_JC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\halnt\shell\open\command\IsolatedCommand = "\"%1\" %*"	NA_NA_1ca9fd6d1782ddexeexe_JC.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\.exe\shell\open	NA_NA_1ca9fd6d1782ddexeexe_JC.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\halnt\shell\open\command	NA_NA_1ca9fd6d1782ddexeexe_JC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\halnt\DefaultIcon\ = "%1"	NA_NA_1ca9fd6d1782ddexeexe_JC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\.exe\ = "halnt"	NA_NA_1ca9fd6d1782ddexeexe_JC.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\.exe\DefaultIcon	NA_NA_1ca9fd6d1782ddexeexe_JC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\halnt\ = "Application"	NA_NA_1ca9fd6d1782ddexeexe_JC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\halnt\Content-Type = "application/x-msdownload"	NA_NA_1ca9fd6d1782ddexeexe_JC.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\halnt\DefaultIcon	NA_NA_1ca9fd6d1782ddexeexe_JC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\halnt\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Sys32\\lsassys.exe\" /START \"%1\" %*"	NA_NA_1ca9fd6d1782ddexeexe_JC.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\.exe\shell\runas	NA_NA_1ca9fd6d1782ddexeexe_JC.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\halnt	NA_NA_1ca9fd6d1782ddexeexe_JC.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\halnt\shell	NA_NA_1ca9fd6d1782ddexeexe_JC.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\.exe\shell\open\command	NA_NA_1ca9fd6d1782ddexeexe_JC.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\.exe\shell\runas\command	NA_NA_1ca9fd6d1782ddexeexe_JC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\halnt\shell\runas\command\IsolatedCommand = "\"%1\" %*"	NA_NA_1ca9fd6d1782ddexeexe_JC.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\.exe	NA_NA_1ca9fd6d1782ddexeexe_JC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\.exe\Content-Type = "application/x-msdownload"	NA_NA_1ca9fd6d1782ddexeexe_JC.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\.exe\shell	NA_NA_1ca9fd6d1782ddexeexe_JC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\.exe\shell\runas\command\ = "\"%1\" %*"	NA_NA_1ca9fd6d1782ddexeexe_JC.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\halnt\shell\runas	NA_NA_1ca9fd6d1782ddexeexe_JC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\.exe\shell\runas\command\IsolatedCommand = "\"%1\" %*"	NA_NA_1ca9fd6d1782ddexeexe_JC.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1676	lsassys.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 1676	2220	NA_NA_1ca9fd6d1782ddexeexe_JC.exe	28
PID 2220 wrote to memory of 1676	2220	NA_NA_1ca9fd6d1782ddexeexe_JC.exe	28
PID 2220 wrote to memory of 1676	2220	NA_NA_1ca9fd6d1782ddexeexe_JC.exe	28
PID 2220 wrote to memory of 1676	2220	NA_NA_1ca9fd6d1782ddexeexe_JC.exe	28
PID 1676 wrote to memory of 2804	1676	lsassys.exe	29
PID 1676 wrote to memory of 2804	1676	lsassys.exe	29
PID 1676 wrote to memory of 2804	1676	lsassys.exe	29
PID 1676 wrote to memory of 2804	1676	lsassys.exe	29

C:\Users\Admin\AppData\Local\Temp\NA_NA_1ca9fd6d1782ddexeexe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NA_NA_1ca9fd6d1782ddexeexe_JC.exe"
1⤵
- Loads dropped DLL
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2220
- C:\Users\Admin\AppData\Roaming\Microsoft\Sys32\lsassys.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Sys32\lsassys.exe" /START "C:\Users\Admin\AppData\Roaming\Microsoft\Sys32\lsassys.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1676
- - C:\Users\Admin\AppData\Roaming\Microsoft\Sys32\lsassys.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Sys32\lsassys.exe"
    3⤵
    - Executes dropped EXE
    PID:2804

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Sys32\lsassys.exe

Filesize
280KB

MD5
8e6f85360c464738662e8298d6cb9a0d

SHA1
0565ee46e99e2a5daa2ab842294bc08f522bdf59

SHA256
56316af1ad273c63b39460e7d13b77d15d60431b04f1a784023b25e4eb7dbc28

SHA512
316c01b925463713550582c6c04439801e89e97e9bd0fda8892e4bf951c837cd166e1e3bf6657808f43bf076784c4980476b269ba1d2b8bf800ac66d6518f961

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Sys32\lsassys.exe

Filesize
280KB

MD5
8e6f85360c464738662e8298d6cb9a0d

SHA1
0565ee46e99e2a5daa2ab842294bc08f522bdf59

SHA256
56316af1ad273c63b39460e7d13b77d15d60431b04f1a784023b25e4eb7dbc28

SHA512
316c01b925463713550582c6c04439801e89e97e9bd0fda8892e4bf951c837cd166e1e3bf6657808f43bf076784c4980476b269ba1d2b8bf800ac66d6518f961

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Sys32\lsassys.exe

Filesize
280KB

MD5
8e6f85360c464738662e8298d6cb9a0d

SHA1
0565ee46e99e2a5daa2ab842294bc08f522bdf59

SHA256
56316af1ad273c63b39460e7d13b77d15d60431b04f1a784023b25e4eb7dbc28

SHA512
316c01b925463713550582c6c04439801e89e97e9bd0fda8892e4bf951c837cd166e1e3bf6657808f43bf076784c4980476b269ba1d2b8bf800ac66d6518f961

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Sys32\lsassys.exe

Filesize
280KB

MD5
8e6f85360c464738662e8298d6cb9a0d

SHA1
0565ee46e99e2a5daa2ab842294bc08f522bdf59

SHA256
56316af1ad273c63b39460e7d13b77d15d60431b04f1a784023b25e4eb7dbc28

SHA512
316c01b925463713550582c6c04439801e89e97e9bd0fda8892e4bf951c837cd166e1e3bf6657808f43bf076784c4980476b269ba1d2b8bf800ac66d6518f961

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Sys32\lsassys.exe

Filesize
280KB

MD5
8e6f85360c464738662e8298d6cb9a0d

SHA1
0565ee46e99e2a5daa2ab842294bc08f522bdf59

SHA256
56316af1ad273c63b39460e7d13b77d15d60431b04f1a784023b25e4eb7dbc28

SHA512
316c01b925463713550582c6c04439801e89e97e9bd0fda8892e4bf951c837cd166e1e3bf6657808f43bf076784c4980476b269ba1d2b8bf800ac66d6518f961

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Sys32\lsassys.exe

Filesize
280KB

MD5
8e6f85360c464738662e8298d6cb9a0d

SHA1
0565ee46e99e2a5daa2ab842294bc08f522bdf59

SHA256
56316af1ad273c63b39460e7d13b77d15d60431b04f1a784023b25e4eb7dbc28

SHA512
316c01b925463713550582c6c04439801e89e97e9bd0fda8892e4bf951c837cd166e1e3bf6657808f43bf076784c4980476b269ba1d2b8bf800ac66d6518f961

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Sys32\lsassys.exe

Filesize
280KB

MD5
8e6f85360c464738662e8298d6cb9a0d

SHA1
0565ee46e99e2a5daa2ab842294bc08f522bdf59

SHA256
56316af1ad273c63b39460e7d13b77d15d60431b04f1a784023b25e4eb7dbc28

SHA512
316c01b925463713550582c6c04439801e89e97e9bd0fda8892e4bf951c837cd166e1e3bf6657808f43bf076784c4980476b269ba1d2b8bf800ac66d6518f961

Download Submit

Analysis

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