3f254221ab52cb9aab2dc1053fbdc5d27fbcad3a5002443b2585939b52a71224

General

Target

3f254221ab52cb9aab2dc1053fbdc5d27fbcad3a5002443b2585939b52a71224.exe
Size

75KB
MD5

4eb3542a9001000911489aa213837e90
SHA1

d54235d435887eabc74e8a867f5516a262bdab02
SHA256

3f254221ab52cb9aab2dc1053fbdc5d27fbcad3a5002443b2585939b52a71224
SHA512

fd303845e6e2174f8120dd5391dd6b551ae0f4ac0d8f0a6ee7d2c868698d6846db4188d225ddb8f453503eec894cdf7f47826303d324593c4a1233eaf0f0ea4c
SSDEEP

1536:LPgGbKxm68PIxg2m2UaeqkHfIaJPqdqTAjB21PfdutzVFCK:LreMPQwIlqs92RfdgCK

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

Processes:

3f254221ab52cb9aab2dc1053fbdc5d27fbcad3a5002443b2585939b52a71224.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	3f254221ab52cb9aab2dc1053fbdc5d27fbcad3a5002443b2585939b52a71224.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

3f254221ab52cb9aab2dc1053fbdc5d27fbcad3a5002443b2585939b52a71224.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\software\WOW6432Node\Microsoft\Windows\CurrentVersion\run	3f254221ab52cb9aab2dc1053fbdc5d27fbcad3a5002443b2585939b52a71224.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

Processes:

3f254221ab52cb9aab2dc1053fbdc5d27fbcad3a5002443b2585939b52a71224.exe

description	ioc	process
File opened (read-only)	\??\S:	3f254221ab52cb9aab2dc1053fbdc5d27fbcad3a5002443b2585939b52a71224.exe
File opened (read-only)	\??\O:	3f254221ab52cb9aab2dc1053fbdc5d27fbcad3a5002443b2585939b52a71224.exe
File opened (read-only)	\??\L:	3f254221ab52cb9aab2dc1053fbdc5d27fbcad3a5002443b2585939b52a71224.exe
File opened (read-only)	\??\F:	3f254221ab52cb9aab2dc1053fbdc5d27fbcad3a5002443b2585939b52a71224.exe
File opened (read-only)	\??\E:	3f254221ab52cb9aab2dc1053fbdc5d27fbcad3a5002443b2585939b52a71224.exe
File opened (read-only)	\??\X:	3f254221ab52cb9aab2dc1053fbdc5d27fbcad3a5002443b2585939b52a71224.exe
File opened (read-only)	\??\T:	3f254221ab52cb9aab2dc1053fbdc5d27fbcad3a5002443b2585939b52a71224.exe
File opened (read-only)	\??\R:	3f254221ab52cb9aab2dc1053fbdc5d27fbcad3a5002443b2585939b52a71224.exe
File opened (read-only)	\??\K:	3f254221ab52cb9aab2dc1053fbdc5d27fbcad3a5002443b2585939b52a71224.exe
File opened (read-only)	\??\J:	3f254221ab52cb9aab2dc1053fbdc5d27fbcad3a5002443b2585939b52a71224.exe
File opened (read-only)	\??\I:	3f254221ab52cb9aab2dc1053fbdc5d27fbcad3a5002443b2585939b52a71224.exe
File opened (read-only)	\??\W:	3f254221ab52cb9aab2dc1053fbdc5d27fbcad3a5002443b2585939b52a71224.exe
File opened (read-only)	\??\Y:	3f254221ab52cb9aab2dc1053fbdc5d27fbcad3a5002443b2585939b52a71224.exe
File opened (read-only)	\??\V:	3f254221ab52cb9aab2dc1053fbdc5d27fbcad3a5002443b2585939b52a71224.exe
File opened (read-only)	\??\U:	3f254221ab52cb9aab2dc1053fbdc5d27fbcad3a5002443b2585939b52a71224.exe
File opened (read-only)	\??\N:	3f254221ab52cb9aab2dc1053fbdc5d27fbcad3a5002443b2585939b52a71224.exe
File opened (read-only)	\??\H:	3f254221ab52cb9aab2dc1053fbdc5d27fbcad3a5002443b2585939b52a71224.exe
File opened (read-only)	\??\G:	3f254221ab52cb9aab2dc1053fbdc5d27fbcad3a5002443b2585939b52a71224.exe
File opened (read-only)	\??\Z:	3f254221ab52cb9aab2dc1053fbdc5d27fbcad3a5002443b2585939b52a71224.exe
File opened (read-only)	\??\P:	3f254221ab52cb9aab2dc1053fbdc5d27fbcad3a5002443b2585939b52a71224.exe
File opened (read-only)	\??\M:	3f254221ab52cb9aab2dc1053fbdc5d27fbcad3a5002443b2585939b52a71224.exe
File opened (read-only)	\??\Q:	3f254221ab52cb9aab2dc1053fbdc5d27fbcad3a5002443b2585939b52a71224.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

Processes:

3f254221ab52cb9aab2dc1053fbdc5d27fbcad3a5002443b2585939b52a71224.exe

description	ioc	process
File opened for modification	C:\autorun.inf	3f254221ab52cb9aab2dc1053fbdc5d27fbcad3a5002443b2585939b52a71224.exe
File opened for modification	C:\Documents and Settings\Admin\Local Settings\Application Data\Microsoft\CD Burning\autorun.inf	3f254221ab52cb9aab2dc1053fbdc5d27fbcad3a5002443b2585939b52a71224.exe

Drops file in Program Files directory 1 IoCs

Processes:

3f254221ab52cb9aab2dc1053fbdc5d27fbcad3a5002443b2585939b52a71224.exe

description	ioc	process
File opened for modification	C:\PROGRAM FILES (X86)\ADOBE\ACROBAT READER DC\READER\ACRORD32.EXE	3f254221ab52cb9aab2dc1053fbdc5d27fbcad3a5002443b2585939b52a71224.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3492 4448 WerFault.exe 3f254221ab52cb9aab2dc1053fbdc5d27fbcad3a5002443b2585939b52a71224.exe

pid	pid_target	process	target process
3492	4448	WerFault.exe	3f254221ab52cb9aab2dc1053fbdc5d27fbcad3a5002443b2585939b52a71224.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

3f254221ab52cb9aab2dc1053fbdc5d27fbcad3a5002443b2585939b52a71224.exe

pid	process
4448	3f254221ab52cb9aab2dc1053fbdc5d27fbcad3a5002443b2585939b52a71224.exe
4448	3f254221ab52cb9aab2dc1053fbdc5d27fbcad3a5002443b2585939b52a71224.exe

C:\Users\Admin\AppData\Local\Temp\3f254221ab52cb9aab2dc1053fbdc5d27fbcad3a5002443b2585939b52a71224.exe
"C:\Users\Admin\AppData\Local\Temp\3f254221ab52cb9aab2dc1053fbdc5d27fbcad3a5002443b2585939b52a71224.exe"
1⤵
- Modifies visibility of file extensions in Explorer
- Adds Run key to start application
- Enumerates connected drives
- Drops autorun.inf file
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
PID:4448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4448 -s 736
2⤵
- Program crash
PID:3492

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4448 -ip 4448
1⤵
PID:2884

Network

MITRE ATT&CK Matrix ATT&CK 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

1

T1158

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

1

T1082

Lateral Movement

Replication Through Removable Media

1

T1091

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/4448-132-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4448-133-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads