823ef8e20d176785a22105b6a082a658fd6fc3ed4df066645c10f0f65320025e

General

Target

823ef8e20d176785a22105b6a082a658fd6fc3ed4df066645c10f0f65320025e.exe
Size

244KB
MD5

675885db9e3644f9a7c315bd30941309
SHA1

051d56c83a9d5da2cc0732925c49c1b401913c25
SHA256

823ef8e20d176785a22105b6a082a658fd6fc3ed4df066645c10f0f65320025e
SHA512

ce57ef4c6c18620836ce839fccbc7926c691ec40d55672da47beebf39c961acfba3f299514b92998964f46f3ef5daa0abe991c8be83833c50eca107f497e7fb7
SSDEEP

3072:lVSny/DjbPnAoHXpRs7HiwO+hswK3jpRhYZ4z1sxtbjIUWnoRzN:Z3bXjsDZO+hsV3j2Z4zytbL5

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	823ef8e20d176785a22105b6a082a658fd6fc3ed4df066645c10f0f65320025e.exe

Loads dropped DLL 1 IoCs

pid	Process
4664	823ef8e20d176785a22105b6a082a658fd6fc3ed4df066645c10f0f65320025e.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\software\WOW6432Node\Microsoft\Windows\CurrentVersion\run	823ef8e20d176785a22105b6a082a658fd6fc3ed4df066645c10f0f65320025e.exe

Enumerates connected drives 3 TTPs 22 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\X:	823ef8e20d176785a22105b6a082a658fd6fc3ed4df066645c10f0f65320025e.exe
File opened (read-only)	\??\Q:	823ef8e20d176785a22105b6a082a658fd6fc3ed4df066645c10f0f65320025e.exe
File opened (read-only)	\??\N:	823ef8e20d176785a22105b6a082a658fd6fc3ed4df066645c10f0f65320025e.exe
File opened (read-only)	\??\I:	823ef8e20d176785a22105b6a082a658fd6fc3ed4df066645c10f0f65320025e.exe
File opened (read-only)	\??\F:	823ef8e20d176785a22105b6a082a658fd6fc3ed4df066645c10f0f65320025e.exe
File opened (read-only)	\??\Z:	823ef8e20d176785a22105b6a082a658fd6fc3ed4df066645c10f0f65320025e.exe
File opened (read-only)	\??\T:	823ef8e20d176785a22105b6a082a658fd6fc3ed4df066645c10f0f65320025e.exe
File opened (read-only)	\??\R:	823ef8e20d176785a22105b6a082a658fd6fc3ed4df066645c10f0f65320025e.exe
File opened (read-only)	\??\H:	823ef8e20d176785a22105b6a082a658fd6fc3ed4df066645c10f0f65320025e.exe
File opened (read-only)	\??\V:	823ef8e20d176785a22105b6a082a658fd6fc3ed4df066645c10f0f65320025e.exe
File opened (read-only)	\??\S:	823ef8e20d176785a22105b6a082a658fd6fc3ed4df066645c10f0f65320025e.exe
File opened (read-only)	\??\O:	823ef8e20d176785a22105b6a082a658fd6fc3ed4df066645c10f0f65320025e.exe
File opened (read-only)	\??\G:	823ef8e20d176785a22105b6a082a658fd6fc3ed4df066645c10f0f65320025e.exe
File opened (read-only)	\??\Y:	823ef8e20d176785a22105b6a082a658fd6fc3ed4df066645c10f0f65320025e.exe
File opened (read-only)	\??\W:	823ef8e20d176785a22105b6a082a658fd6fc3ed4df066645c10f0f65320025e.exe
File opened (read-only)	\??\U:	823ef8e20d176785a22105b6a082a658fd6fc3ed4df066645c10f0f65320025e.exe
File opened (read-only)	\??\P:	823ef8e20d176785a22105b6a082a658fd6fc3ed4df066645c10f0f65320025e.exe
File opened (read-only)	\??\M:	823ef8e20d176785a22105b6a082a658fd6fc3ed4df066645c10f0f65320025e.exe
File opened (read-only)	\??\L:	823ef8e20d176785a22105b6a082a658fd6fc3ed4df066645c10f0f65320025e.exe
File opened (read-only)	\??\K:	823ef8e20d176785a22105b6a082a658fd6fc3ed4df066645c10f0f65320025e.exe
File opened (read-only)	\??\J:	823ef8e20d176785a22105b6a082a658fd6fc3ed4df066645c10f0f65320025e.exe
File opened (read-only)	\??\E:	823ef8e20d176785a22105b6a082a658fd6fc3ed4df066645c10f0f65320025e.exe

Drops autorun.inf file 1 TTPs 2 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

description	ioc	Process
File opened for modification	C:\autorun.inf	823ef8e20d176785a22105b6a082a658fd6fc3ed4df066645c10f0f65320025e.exe
File opened for modification	C:\Documents and Settings\Admin\Local Settings\Application Data\Microsoft\CD Burning\autorun.inf	823ef8e20d176785a22105b6a082a658fd6fc3ed4df066645c10f0f65320025e.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\PROGRAM FILES (X86)\ADOBE\ACROBAT READER DC\READER\ACRORD32.EXE	823ef8e20d176785a22105b6a082a658fd6fc3ed4df066645c10f0f65320025e.exe

Drops file in Windows directory 5 IoCs

description	ioc	Process
File created	C:\Windows\ws2help.dll	823ef8e20d176785a22105b6a082a658fd6fc3ed4df066645c10f0f65320025e.exe
File opened for modification	C:\Windows\ws2help.dll	823ef8e20d176785a22105b6a082a658fd6fc3ed4df066645c10f0f65320025e.exe
File created	C:\Windows\Wplugin.dll	823ef8e20d176785a22105b6a082a658fd6fc3ed4df066645c10f0f65320025e.exe
File opened for modification	C:\Windows\Wplugin.dll	823ef8e20d176785a22105b6a082a658fd6fc3ed4df066645c10f0f65320025e.exe
File created	C:\Windows\explorer.exe.local	823ef8e20d176785a22105b6a082a658fd6fc3ed4df066645c10f0f65320025e.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4684	4664	WerFault.exe	80

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4664	823ef8e20d176785a22105b6a082a658fd6fc3ed4df066645c10f0f65320025e.exe
4664	823ef8e20d176785a22105b6a082a658fd6fc3ed4df066645c10f0f65320025e.exe
4664	823ef8e20d176785a22105b6a082a658fd6fc3ed4df066645c10f0f65320025e.exe
4664	823ef8e20d176785a22105b6a082a658fd6fc3ed4df066645c10f0f65320025e.exe

C:\Users\Admin\AppData\Local\Temp\823ef8e20d176785a22105b6a082a658fd6fc3ed4df066645c10f0f65320025e.exe
"C:\Users\Admin\AppData\Local\Temp\823ef8e20d176785a22105b6a082a658fd6fc3ed4df066645c10f0f65320025e.exe"
1⤵
- Modifies visibility of file extensions in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Drops autorun.inf file
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:4664
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4664 -s 848
  2⤵
  - Program crash
  PID:4684

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4664 -ip 4664
1⤵
PID:4600

Network

MITRE ATT&CK Enterprise v6

Initial Access

Replication Through Removable Media

1

T1091

Execution

Persistence

Hidden Files and Directories

1

T1158

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Replication Through Removable Media

1

T1091

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Wplugin.dll

Filesize
108KB

MD5
8847a8302dacc1d6fca61f125c8fe8e0

SHA1
f399142bbf03660bee1df555ebbf3acc8f658cf0

SHA256
9c2726defa122089f8251fa104f76d66830f448774ab9bd634adbb6e492e3943

SHA512
2b028bb4139c352b80db1509d1a3f479a8ef7e9b3b73ddbf62e2d83d4e59adf4a0bd6b9d68409bc0b6fafb7a5f56844fbfed6d00b824a6b370689801ce1c837f

Download Submit
memory/4664-133-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4664-134-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads