3e605855ed4bbc789477d2feddce2781b56d195311e17f753fc65d709b1f2321

General

Target

VBS_ed167804673b6f89dc6657e71ae971c4.zip
Sample

191122-tz4vkverda
SHA256

3e605855ed4bbc789477d2feddce2781b56d195311e17f753fc65d709b1f2321

Score

N/A

Malware Config

Signatures

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 4952 wrote to memory of 5012	4952	WScript.exe	72
PID 5012 wrote to memory of 5084	5012	wscript.exe	73
PID 5084 wrote to memory of 372	5084	wscript.exe	74
PID 372 wrote to memory of 1876	372	wscript.exe	75
PID 1876 wrote to memory of 1600	1876	wscript.exe	76
PID 1600 wrote to memory of 4384	1600	wscript.exe	77
PID 4384 wrote to memory of 3248	4384	wscript.exe	78
PID 3248 wrote to memory of 3704	3248	wscript.exe	79
PID 3704 wrote to memory of 4608	3704	wscript.exe	80
PID 4608 wrote to memory of 4692	4608	wscript.exe	82
PID 4692 wrote to memory of 3920	4692	wscript.exe	83
PID 3920 wrote to memory of 4344	3920	wscript.exe	84
PID 4344 wrote to memory of 4200	4344	wscript.exe	85
PID 4200 wrote to memory of 4048	4200	wscript.exe	86
PID 4048 wrote to memory of 4156	4048	wscript.exe	87
PID 4156 wrote to memory of 4768	4156	wscript.exe	88
PID 4768 wrote to memory of 788	4768	wscript.exe	89
PID 788 wrote to memory of 4896	788	wscript.exe	90
PID 4884 wrote to memory of 4560	4884	SppExtComObj.exe	92
PID 4896 wrote to memory of 4600	4896	wscript.exe	93
PID 4600 wrote to memory of 5076	4600	wscript.exe	94
PID 5076 wrote to memory of 5112	5076	wscript.exe	95
PID 5112 wrote to memory of 1756	5112	wscript.exe	97
PID 1756 wrote to memory of 1604	1756	wscript.exe	98
PID 1604 wrote to memory of 1000	1604	wscript.exe	99

Drops file in system dir 5 IoCs

description	ioc	pid	Process
File opened for modification	C:\Windows\Debug\ESE.TXT	3764	svchost.exe
File opened for modification	C:\Windows\ServiceProfiles\LocalService\AppData\Local\FontCache\Fonts\Download-1.tmp	3764	svchost.exe
File created	C:\Windows\ServiceProfiles\LocalService\AppData\Local\FontCache\Fonts\Download-1.tmp	3764	svchost.exe
File opened for modification	C:\Windows\ServiceProfiles\LocalService\AppData\Local\FontCache\Fonts\Download-2.tmp	3764	svchost.exe
File created	C:\Windows\ServiceProfiles\LocalService\AppData\Local\FontCache\Fonts\Download-2.tmp	3764	svchost.exe

Checks system information in the registry (likely anti-VM) 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	pid	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SystemInformation\SystemManufacturer	4168	svchost.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SystemInformation\SystemProductName	4168	svchost.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Modify Registry

T1112

description	ioc	pid	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Security Center\cval = "0"	3096	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Security Center\cval = "1"	3096	svchost.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\document4753.vbe.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:4952

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\document4753.vbe.vbs ___-
1⤵
- Suspicious use of WriteProcessMemory
PID:5012

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\document4753.vbe.vbs ___- ___-
1⤵
- Suspicious use of WriteProcessMemory
PID:5084

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\document4753.vbe.vbs ___- ___- ___-
1⤵
- Suspicious use of WriteProcessMemory
PID:372

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\document4753.vbe.vbs ___- ___- ___- ___-
1⤵
- Suspicious use of WriteProcessMemory
PID:1876

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\document4753.vbe.vbs ___- ___- ___- ___- ___-
1⤵
- Suspicious use of WriteProcessMemory
PID:1600

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\document4753.vbe.vbs ___- ___- ___- ___- ___- ___-
1⤵
- Suspicious use of WriteProcessMemory
PID:4384

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\document4753.vbe.vbs ___- ___- ___- ___- ___- ___- ___-
1⤵
- Suspicious use of WriteProcessMemory
PID:3248

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\document4753.vbe.vbs ___- ___- ___- ___- ___- ___- ___- ___-
1⤵
- Suspicious use of WriteProcessMemory
PID:3704

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\document4753.vbe.vbs ___- ___- ___- ___- ___- ___- ___- ___- ___-
1⤵
- Suspicious use of WriteProcessMemory
PID:4608

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\document4753.vbe.vbs ___- ___- ___- ___- ___- ___- ___- ___- ___- ___-
1⤵
- Suspicious use of WriteProcessMemory
PID:4692

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\document4753.vbe.vbs ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___-
1⤵
- Suspicious use of WriteProcessMemory
PID:3920

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\document4753.vbe.vbs ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___-
1⤵
- Suspicious use of WriteProcessMemory
PID:4344

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\document4753.vbe.vbs ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___-
1⤵
- Suspicious use of WriteProcessMemory
PID:4200

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\document4753.vbe.vbs ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___-
1⤵
- Suspicious use of WriteProcessMemory
PID:4048

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\document4753.vbe.vbs ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___-
1⤵
- Suspicious use of WriteProcessMemory
PID:4156

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\document4753.vbe.vbs ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___-
1⤵
- Suspicious use of WriteProcessMemory
PID:4768

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\document4753.vbe.vbs ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___-
1⤵
- Suspicious use of WriteProcessMemory
PID:788

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\document4753.vbe.vbs ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___-
1⤵
- Suspicious use of WriteProcessMemory
PID:4896

C:\Windows\system32\SppExtComObj.exe
C:\Windows\system32\SppExtComObj.exe -Embedding
1⤵
- Suspicious use of WriteProcessMemory
PID:4884

C:\Windows\System32\SLUI.exe
"C:\Windows\System32\SLUI.exe" RuleId=eeba1977-569e-4571-b639-7623d8bfecc0;Action=AutoActivate;AppId=55c92734-d682-4d71-983e-d6ec3f16059f;SkuId=2de67392-b7a7-462a-b1ca-108dd189f588;NotificationInterval=1440;Trigger=TimerEvent
1⤵
PID:4560

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\document4753.vbe.vbs ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___-
1⤵
- Suspicious use of WriteProcessMemory
PID:4600

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\document4753.vbe.vbs ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___-
1⤵
- Suspicious use of WriteProcessMemory
PID:5076

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\document4753.vbe.vbs ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___-
1⤵
- Suspicious use of WriteProcessMemory
PID:5112

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\document4753.vbe.vbs ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___-
1⤵
- Suspicious use of WriteProcessMemory
PID:1756

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\document4753.vbe.vbs ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___-
1⤵
- Suspicious use of WriteProcessMemory
PID:1604

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\document4753.vbe.vbs ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___-
1⤵
PID:1000

\??\c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k netsvcs -s BITS
1⤵
- Drops file in system dir
PID:3764

\??\c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k localserviceandnoimpersonation -s SSDPSRV
1⤵
PID:3704

\??\c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k netsvcs -s DoSvc
1⤵
- Checks system information in the registry (likely anti-VM)
PID:4168

\??\c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k unistacksvcgroup
1⤵
PID:784

\??\c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k localservicenetworkrestricted -s wscsvc
1⤵
- Windows security modification
PID:3096

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

MITRE ATT&CK Additional techniques

T1089

Replay Monitor

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Downloads

memory/788-1-0x0000028B0CB00000-0x0000028B0CC01000-memory.dmp

Filesize
1.0MB

Download

Analysis

Sharing