a3ed7bca29166e75fde72157d1278c6eef708cdc6e5d66298f5b0680ac76b070

General

Target

NWSZECLP.EXE

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

NWSZECLP.EXE

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows\CurrentVersion\Run\Nwszec = "C:\\Users\\Public\\Libraries\\\\cezswN.url"	NWSZECLP.EXE

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2084 2200 WerFault.exe mobsync.exe
Modifies registry key 1 TTPs 3 IoCs

Modify Registry
T1112

Processes:

reg.exereg.exereg.exe

pid process

2532 reg.exe
3644 reg.exe
3276 reg.exe

pid	pid_target	process	target process
2084	2200	WerFault.exe	mobsync.exe

pid	process
2532	reg.exe
3644	reg.exe
3276	reg.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

WerFault.exe

pid	process
2084	WerFault.exe
2084	WerFault.exe
2084	WerFault.exe
2084	WerFault.exe
2084	WerFault.exe
2084	WerFault.exe
2084	WerFault.exe
2084	WerFault.exe
2084	WerFault.exe
2084	WerFault.exe
2084	WerFault.exe
2084	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 2084 WerFault.exe
Token: SeBackupPrivilege 2084 WerFault.exe
Token: SeDebugPrivilege 2084 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	2084	WerFault.exe
Token: SeBackupPrivilege	2084	WerFault.exe
Token: SeDebugPrivilege	2084	WerFault.exe

Suspicious use of WriteProcessMemory 43 IoCs

Processes:

NWSZECLP.EXEcmd.execmd.execmd.exe

description	pid	process	target process
PID 3848 wrote to memory of 2200	3848	NWSZECLP.EXE	mobsync.exe
PID 3848 wrote to memory of 2200	3848	NWSZECLP.EXE	mobsync.exe
PID 3848 wrote to memory of 2200	3848	NWSZECLP.EXE	mobsync.exe
PID 3848 wrote to memory of 2200	3848	NWSZECLP.EXE	mobsync.exe
PID 3848 wrote to memory of 2200	3848	NWSZECLP.EXE	mobsync.exe
PID 3848 wrote to memory of 2200	3848	NWSZECLP.EXE	mobsync.exe
PID 3848 wrote to memory of 2200	3848	NWSZECLP.EXE	mobsync.exe
PID 3848 wrote to memory of 2200	3848	NWSZECLP.EXE	mobsync.exe
PID 3848 wrote to memory of 2200	3848	NWSZECLP.EXE	mobsync.exe
PID 3848 wrote to memory of 2200	3848	NWSZECLP.EXE	mobsync.exe
PID 3848 wrote to memory of 2200	3848	NWSZECLP.EXE	mobsync.exe
PID 3848 wrote to memory of 2200	3848	NWSZECLP.EXE	mobsync.exe
PID 3848 wrote to memory of 2200	3848	NWSZECLP.EXE	mobsync.exe
PID 3848 wrote to memory of 2200	3848	NWSZECLP.EXE	mobsync.exe
PID 3848 wrote to memory of 2200	3848	NWSZECLP.EXE	mobsync.exe
PID 3848 wrote to memory of 2200	3848	NWSZECLP.EXE	mobsync.exe
PID 3848 wrote to memory of 2200	3848	NWSZECLP.EXE	mobsync.exe
PID 3848 wrote to memory of 2200	3848	NWSZECLP.EXE	mobsync.exe
PID 3848 wrote to memory of 2200	3848	NWSZECLP.EXE	mobsync.exe
PID 3848 wrote to memory of 2200	3848	NWSZECLP.EXE	mobsync.exe
PID 3848 wrote to memory of 2200	3848	NWSZECLP.EXE	mobsync.exe
PID 3848 wrote to memory of 2200	3848	NWSZECLP.EXE	mobsync.exe
PID 3848 wrote to memory of 2272	3848	NWSZECLP.EXE	cmd.exe
PID 3848 wrote to memory of 2272	3848	NWSZECLP.EXE	cmd.exe
PID 3848 wrote to memory of 2272	3848	NWSZECLP.EXE	cmd.exe
PID 2272 wrote to memory of 372	2272	cmd.exe	cmd.exe
PID 2272 wrote to memory of 372	2272	cmd.exe	cmd.exe
PID 2272 wrote to memory of 372	2272	cmd.exe	cmd.exe
PID 372 wrote to memory of 3644	372	cmd.exe	reg.exe
PID 372 wrote to memory of 3644	372	cmd.exe	reg.exe
PID 372 wrote to memory of 3644	372	cmd.exe	reg.exe
PID 372 wrote to memory of 3276	372	cmd.exe	reg.exe
PID 372 wrote to memory of 3276	372	cmd.exe	reg.exe
PID 372 wrote to memory of 3276	372	cmd.exe	reg.exe
PID 372 wrote to memory of 1632	372	cmd.exe	schtasks.exe
PID 372 wrote to memory of 1632	372	cmd.exe	schtasks.exe
PID 372 wrote to memory of 1632	372	cmd.exe	schtasks.exe
PID 3848 wrote to memory of 2380	3848	NWSZECLP.EXE	cmd.exe
PID 3848 wrote to memory of 2380	3848	NWSZECLP.EXE	cmd.exe
PID 3848 wrote to memory of 2380	3848	NWSZECLP.EXE	cmd.exe
PID 2380 wrote to memory of 2532	2380	cmd.exe	reg.exe
PID 2380 wrote to memory of 2532	2380	cmd.exe	reg.exe
PID 2380 wrote to memory of 2532	2380	cmd.exe	reg.exe

C:\Users\Admin\AppData\Local\Temp\NWSZECLP.EXE
"C:\Users\Admin\AppData\Local\Temp\NWSZECLP.EXE"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3848

C:\Windows\SysWOW64\mobsync.exe
C:\Windows\System32\mobsync.exe
2⤵
PID:2200

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2200 -s 476
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2084

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Trast.bat" "
2⤵
- Suspicious use of WriteProcessMemory
PID:2272

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /K C:\Users\Public\UKO.bat
3⤵
- Suspicious use of WriteProcessMemory
PID:372

C:\Windows\SysWOW64\reg.exe
reg delete hkcu\Environment /v windir /f
4⤵
- Modifies registry key
PID:3644

C:\Windows\SysWOW64\reg.exe
reg add hkcu\Environment /v windir /d "cmd /c start /min C:\Users\Public\KDECO.bat reg delete hkcu\Environment /v windir /f && REM "
4⤵
- Modifies registry key
PID:3276

C:\Windows\SysWOW64\schtasks.exe
schtasks /Run /TN \Microsoft\Windows\DiskCleanup\SilentCleanup /I
4⤵
PID:1632

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Public\nest.bat" "
2⤵
- Suspicious use of WriteProcessMemory
PID:2380

C:\Windows\SysWOW64\reg.exe
reg delete hkcu\Environment /v windir /f
3⤵
- Modifies registry key
PID:2532

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Public\Trast.bat
MD5
4068c9f69fcd8a171c67f81d4a952a54

SHA1
4d2536a8c28cdcc17465e20d6693fb9e8e713b36

SHA256
24222300c78180b50ed1f8361ba63cb27316ec994c1c9079708a51b4a1a9d810

SHA512
a64f9319acc51fffd0491c74dcd9c9084c2783b82f95727e4bfe387a8528c6dcf68f11418e88f1e133d115daf907549c86dd7ad866b2a7938add5225fbb2811d

Download Submit
C:\Users\Public\UKO.bat
MD5
eaf8d967454c3bbddbf2e05a421411f8

SHA1
6170880409b24de75c2dc3d56a506fbff7f6622c

SHA256
f35f2658455a2e40f151549a7d6465a836c33fa9109e67623916f889849eac56

SHA512
fe5be5c673e99f70c93019d01abb0a29dd2ecf25b2d895190ff551f020c28e7d8f99f65007f440f0f76c5bcac343b2a179a94d190c938ea3b9e1197890a412e9

Download Submit
C:\Users\Public\nest.bat
MD5
8ada51400b7915de2124baaf75e3414c

SHA1
1a7b9db12184ab7fd7fce1c383f9670a00adb081

SHA256
45aa3957c29865260a78f03eef18ae9aebdbf7bea751ecc88be4a799f2bb46c7

SHA512
9afc138157a4565294ca49942579cdb6f5d8084e56f9354738de62b585f4c0fa3e7f2cbc9541827f2084e3ff36c46eed29b46f5dd2444062ffcd05c599992e68

Download Submit
memory/372-120-0x0000000000000000-mapping.dmp

Download
memory/1632-124-0x0000000000000000-mapping.dmp

Download
memory/2200-127-0x0000000002EE0000-0x0000000002EE1000-memory.dmp

Filesize
4KB

Download
memory/2200-117-0x0000000000000000-mapping.dmp

Download
memory/2200-126-0x0000000002E80000-0x0000000002E81000-memory.dmp

Filesize
4KB

Download
memory/2200-125-0x0000000002BC0000-0x0000000002BC1000-memory.dmp

Filesize
4KB

Download
memory/2272-118-0x0000000000000000-mapping.dmp

Download
memory/2380-128-0x0000000000000000-mapping.dmp

Download
memory/2532-130-0x0000000000000000-mapping.dmp

Download
memory/3276-123-0x0000000000000000-mapping.dmp

Download
memory/3644-122-0x0000000000000000-mapping.dmp

Download
memory/3848-115-0x00000000006E0000-0x00000000006E1000-memory.dmp

Filesize
4KB

Download
memory/3848-116-0x00000000029B1000-0x00000000029C5000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads