3e605855ed4bbc789477d2feddce2781b56d195311e17f753fc65d709b1f2321

General

Target

VBS_ed167804673b6f89dc6657e71ae971c4.zip
Sample

191122-ctxbsjap8j
SHA256

3e605855ed4bbc789477d2feddce2781b56d195311e17f753fc65d709b1f2321

Score

N/A

Malware Config

Signatures

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 4984 wrote to memory of 5032	4984	WScript.exe	72
PID 5032 wrote to memory of 5092	5032	wscript.exe	74
PID 5092 wrote to memory of 1936	5092	wscript.exe	75
PID 1936 wrote to memory of 1964	1936	wscript.exe	76
PID 1964 wrote to memory of 4328	1964	wscript.exe	77
PID 4328 wrote to memory of 2628	4328	wscript.exe	78
PID 2628 wrote to memory of 4016	2628	wscript.exe	79
PID 4016 wrote to memory of 3632	4016	wscript.exe	80
PID 3632 wrote to memory of 4576	3632	wscript.exe	81
PID 4576 wrote to memory of 4708	4576	wscript.exe	82
PID 4708 wrote to memory of 4656	4708	wscript.exe	83
PID 4656 wrote to memory of 4748	4656	wscript.exe	84
PID 4748 wrote to memory of 4392	4748	wscript.exe	85
PID 4392 wrote to memory of 3872	4392	wscript.exe	86
PID 3872 wrote to memory of 4256	3872	wscript.exe	87
PID 4256 wrote to memory of 4204	4256	wscript.exe	88
PID 4204 wrote to memory of 4180	4204	wscript.exe	90
PID 4180 wrote to memory of 4784	4180	wscript.exe	91
PID 4784 wrote to memory of 2316	4784	wscript.exe	92
PID 2316 wrote to memory of 4872	2316	wscript.exe	93
PID 4872 wrote to memory of 4640	4872	wscript.exe	94
PID 4640 wrote to memory of 4984	4640	wscript.exe	95
PID 5076 wrote to memory of 5100	5076	SppExtComObj.exe	97
PID 4984 wrote to memory of 4108	4984	wscript.exe	98
PID 4108 wrote to memory of 988	4108	wscript.exe	99

Drops file in system dir 5 IoCs

description	ioc	pid	Process
File opened for modification	C:\Windows\Debug\ESE.TXT	3620	svchost.exe
File opened for modification	C:\Windows\ServiceProfiles\LocalService\AppData\Local\FontCache\Fonts\Download-1.tmp	3620	svchost.exe
File created	C:\Windows\ServiceProfiles\LocalService\AppData\Local\FontCache\Fonts\Download-1.tmp	3620	svchost.exe
File opened for modification	C:\Windows\ServiceProfiles\LocalService\AppData\Local\FontCache\Fonts\Download-2.tmp	3620	svchost.exe
File created	C:\Windows\ServiceProfiles\LocalService\AppData\Local\FontCache\Fonts\Download-2.tmp	3620	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	4380	svchost.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SystemInformation\SystemProductName	4380	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"	756	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Security Center\cval = "1"	756	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:4984

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:5032

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:5092

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:1936

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:1964

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:4328

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:2628

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:4016

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:3632

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:4576

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:4708

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:4656

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:4748

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:4392

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:3872

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:4256

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:4204

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:4180

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:4784

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:2316

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:4872

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:4640

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:4984

C:\Windows\system32\SppExtComObj.exe
C:\Windows\system32\SppExtComObj.exe -Embedding
1⤵
- Suspicious use of WriteProcessMemory
PID:5076

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:5100

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:4108

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\document4753.vbe.vbs ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___- ___-
1⤵
PID:988

\??\c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k netsvcs -s BITS
1⤵
- Drops file in system dir
PID:3620

\??\c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k localserviceandnoimpersonation -s SSDPSRV
1⤵
PID:4500

\??\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:4380

\??\c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k unistacksvcgroup
1⤵
PID:4204

\??\c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k localservicenetworkrestricted -s wscsvc
1⤵
- Windows security modification
PID:756

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

MITRE ATT&CK Additional techniques

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