88d40992018a42815a1add99dae3ad325f3eae04c4d1878314cf13b3fb63e6a2

General

Target

88d40992018a42815a1add99dae3ad325f3eae04c4d1878314cf13b3fb63e6a2.exe
Size

55KB
MD5

67124f7622723b699d1781b459673a3f
SHA1

27fd9efc1527baba0f6aa364a12ea0411d5dcfe5
SHA256

88d40992018a42815a1add99dae3ad325f3eae04c4d1878314cf13b3fb63e6a2
SHA512

c0a73d8d5e8efa1f09070acebdc0a7a5d9f16b3834d1c5bbc764feacbee6cb92a5be9b4e09866888f2de894a8c5c2c95f9438640ce74f6728b10ee6a0a166269
SSDEEP

768:Oe3PFaDVyOQgljLDKRJyM3BmsHzSB4us/wJJapg4RoSMZeUZB/QosWpH+DrCUpf7:V3cpyORJLuB4P4AJJv4Romu/9tpvUZL

Score

10^/10

evasion

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-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	88d40992018a42815a1add99dae3ad325f3eae04c4d1878314cf13b3fb63e6a2.exe

Deletes itself 1 IoCs

pid	Process
1124	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
1136	88d40992018a42815a1add99dae3ad325f3eae04c4d1878314cf13b3fb63e6a2.exe

Drops desktop.ini file(s) 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\ie13\Internat Explorer\Desktop.ini	88d40992018a42815a1add99dae3ad325f3eae04c4d1878314cf13b3fb63e6a2.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\ie13\Internat Explorer\target.lnk	88d40992018a42815a1add99dae3ad325f3eae04c4d1878314cf13b3fb63e6a2.exe
File opened for modification	C:\Program Files (x86)\Microsoft\ie13\Internat Explorer	attrib.exe
File opened for modification	C:\Program Files (x86)\Microsoft\ie13\Internat Explorer\Desktop.ini	88d40992018a42815a1add99dae3ad325f3eae04c4d1878314cf13b3fb63e6a2.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.jgp	88d40992018a42815a1add99dae3ad325f3eae04c4d1878314cf13b3fb63e6a2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.jgp\ = "jgpfile"	88d40992018a42815a1add99dae3ad325f3eae04c4d1878314cf13b3fb63e6a2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\jgpfile\DefaultIcon	88d40992018a42815a1add99dae3ad325f3eae04c4d1878314cf13b3fb63e6a2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\jgpfile\shell\open\command	88d40992018a42815a1add99dae3ad325f3eae04c4d1878314cf13b3fb63e6a2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\jgpfile\shell	88d40992018a42815a1add99dae3ad325f3eae04c4d1878314cf13b3fb63e6a2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\jgpfile\shell\open	88d40992018a42815a1add99dae3ad325f3eae04c4d1878314cf13b3fb63e6a2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\jgpfile	88d40992018a42815a1add99dae3ad325f3eae04c4d1878314cf13b3fb63e6a2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\jgpfile\DefaultIcon\ = "%1"	88d40992018a42815a1add99dae3ad325f3eae04c4d1878314cf13b3fb63e6a2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\jgpfile\shell\open\command\ = "explorer \"C:\\Program Files (x86)\\Microsoft\\%*ie%S3\\%2Internat Explorer\""	88d40992018a42815a1add99dae3ad325f3eae04c4d1878314cf13b3fb63e6a2.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1136 wrote to memory of 1120	1136	88d40992018a42815a1add99dae3ad325f3eae04c4d1878314cf13b3fb63e6a2.exe	27
PID 1136 wrote to memory of 1120	1136	88d40992018a42815a1add99dae3ad325f3eae04c4d1878314cf13b3fb63e6a2.exe	27
PID 1136 wrote to memory of 1120	1136	88d40992018a42815a1add99dae3ad325f3eae04c4d1878314cf13b3fb63e6a2.exe	27
PID 1136 wrote to memory of 1120	1136	88d40992018a42815a1add99dae3ad325f3eae04c4d1878314cf13b3fb63e6a2.exe	27
PID 1136 wrote to memory of 1120	1136	88d40992018a42815a1add99dae3ad325f3eae04c4d1878314cf13b3fb63e6a2.exe	27
PID 1136 wrote to memory of 1120	1136	88d40992018a42815a1add99dae3ad325f3eae04c4d1878314cf13b3fb63e6a2.exe	27
PID 1136 wrote to memory of 1120	1136	88d40992018a42815a1add99dae3ad325f3eae04c4d1878314cf13b3fb63e6a2.exe	27
PID 1136 wrote to memory of 1124	1136	88d40992018a42815a1add99dae3ad325f3eae04c4d1878314cf13b3fb63e6a2.exe	30
PID 1136 wrote to memory of 1124	1136	88d40992018a42815a1add99dae3ad325f3eae04c4d1878314cf13b3fb63e6a2.exe	30
PID 1136 wrote to memory of 1124	1136	88d40992018a42815a1add99dae3ad325f3eae04c4d1878314cf13b3fb63e6a2.exe	30
PID 1136 wrote to memory of 1124	1136	88d40992018a42815a1add99dae3ad325f3eae04c4d1878314cf13b3fb63e6a2.exe	30
PID 1136 wrote to memory of 1124	1136	88d40992018a42815a1add99dae3ad325f3eae04c4d1878314cf13b3fb63e6a2.exe	30
PID 1136 wrote to memory of 1124	1136	88d40992018a42815a1add99dae3ad325f3eae04c4d1878314cf13b3fb63e6a2.exe	30
PID 1136 wrote to memory of 1124	1136	88d40992018a42815a1add99dae3ad325f3eae04c4d1878314cf13b3fb63e6a2.exe	30

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
1120	attrib.exe

C:\Users\Admin\AppData\Local\Temp\88d40992018a42815a1add99dae3ad325f3eae04c4d1878314cf13b3fb63e6a2.exe
"C:\Users\Admin\AppData\Local\Temp\88d40992018a42815a1add99dae3ad325f3eae04c4d1878314cf13b3fb63e6a2.exe"
1⤵
- Modifies visibility of file extensions in Explorer
- Loads dropped DLL
- Drops desktop.ini file(s)
- Drops file in Program Files directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1136
- C:\Windows\SysWOW64\attrib.exe
  "C:\Windows\System32\attrib.exe" "C:\Program Files (x86)\Microsoft\ie13\Internat Explorer" +s
  2⤵
  - Drops file in Program Files directory
  - Views/modifies file attributes
  PID:1120
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp.bat" "
  2⤵
  - Deletes itself
  PID:1124

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

2

T1158

Privilege Escalation

Defense Evasion

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp.bat

Filesize
250B

MD5
865da26062bcbc4bdbd2fad1e9c873fb

SHA1
bdef2271b41c39834a9ed338321bfa4660d6ba06

SHA256
3a53792b899c364a5253f8dbdffe4643ae78518d35a72f6249a2eb6387034fef

SHA512
e8f8371356f52f05e54a54a1f59a2cc5d50bc6c1271ae12782357b7c4cbc701e0786d5bf52bc8938dca33627d38f5a58df2c52dccc53191816dbb02131a87fa4

Download Submit
\Users\Admin\AppData\Local\Temp\nsy9A20.tmp\System.dll

Filesize
11KB

MD5
00a0194c20ee912257df53bfe258ee4a

SHA1
d7b4e319bc5119024690dc8230b9cc919b1b86b2

SHA256
dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

SHA512
3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

Download Submit
memory/1136-54-0x0000000075F51000-0x0000000075F53000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads