e22ef2e83a8486e7f41daffc9c5c7dc6a885b383fa86a745ef88ae323da92bf0

General

Target

e22ef2e83a8486e7f41daffc9c5c7dc6a885b383fa86a745ef88ae323da92bf0.exe
Size

192KB
MD5

1a37626a9a09c20b8b57a92e466e5810
SHA1

548c37cdc4d679eed8d799fbdce948f1b31e3fd4
SHA256

e22ef2e83a8486e7f41daffc9c5c7dc6a885b383fa86a745ef88ae323da92bf0
SHA512

5dae098b5388c72154d0ce3a3dca0fbc6dff2b0a1579631888b4a43683fb0d820597fbd65c9dc56c0a22cfe2f1a7aee4e3df077722a1961191db0e67461c3b7c
SSDEEP

3072:6dY1l9vvvIKGRsOF/6Lti6Eku+5zJ5yMiwge90pU0d2yWP78p/dbLT2:62r9wKGRzQLMx385rge90pFdzoS/dz

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
948	windefend.exe

UPX packed file 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1108-54-0x0000000000400000-0x0000000000481000-memory.dmp	upx
behavioral1/files/0x00140000000054ab-56.dat	upx
behavioral1/files/0x00140000000054ab-57.dat	upx
behavioral1/files/0x00140000000054ab-59.dat	upx
behavioral1/memory/948-64-0x0000000000400000-0x0000000000481000-memory.dmp	upx
behavioral1/memory/1108-65-0x0000000000400000-0x0000000000481000-memory.dmp	upx
behavioral1/memory/1108-67-0x0000000000400000-0x0000000000481000-memory.dmp	upx

Deletes itself 1 IoCs

pid	Process
1648	cmd.exe

Loads dropped DLL 2 IoCs

pid	Process
1108	e22ef2e83a8486e7f41daffc9c5c7dc6a885b383fa86a745ef88ae323da92bf0.exe
1108	e22ef2e83a8486e7f41daffc9c5c7dc6a885b383fa86a745ef88ae323da92bf0.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	windefend.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\windefend = "C:\\Users\\Admin\\AppData\\Local\\Temp\\windefend.exe"	windefend.exe

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	e22ef2e83a8486e7f41daffc9c5c7dc6a885b383fa86a745ef88ae323da92bf0.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1108	e22ef2e83a8486e7f41daffc9c5c7dc6a885b383fa86a745ef88ae323da92bf0.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1108	e22ef2e83a8486e7f41daffc9c5c7dc6a885b383fa86a745ef88ae323da92bf0.exe
1108	e22ef2e83a8486e7f41daffc9c5c7dc6a885b383fa86a745ef88ae323da92bf0.exe
1108	e22ef2e83a8486e7f41daffc9c5c7dc6a885b383fa86a745ef88ae323da92bf0.exe
1108	e22ef2e83a8486e7f41daffc9c5c7dc6a885b383fa86a745ef88ae323da92bf0.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1108 wrote to memory of 948	1108	e22ef2e83a8486e7f41daffc9c5c7dc6a885b383fa86a745ef88ae323da92bf0.exe	28
PID 1108 wrote to memory of 948	1108	e22ef2e83a8486e7f41daffc9c5c7dc6a885b383fa86a745ef88ae323da92bf0.exe	28
PID 1108 wrote to memory of 948	1108	e22ef2e83a8486e7f41daffc9c5c7dc6a885b383fa86a745ef88ae323da92bf0.exe	28
PID 1108 wrote to memory of 948	1108	e22ef2e83a8486e7f41daffc9c5c7dc6a885b383fa86a745ef88ae323da92bf0.exe	28
PID 1108 wrote to memory of 1648	1108	e22ef2e83a8486e7f41daffc9c5c7dc6a885b383fa86a745ef88ae323da92bf0.exe	29
PID 1108 wrote to memory of 1648	1108	e22ef2e83a8486e7f41daffc9c5c7dc6a885b383fa86a745ef88ae323da92bf0.exe	29
PID 1108 wrote to memory of 1648	1108	e22ef2e83a8486e7f41daffc9c5c7dc6a885b383fa86a745ef88ae323da92bf0.exe	29
PID 1108 wrote to memory of 1648	1108	e22ef2e83a8486e7f41daffc9c5c7dc6a885b383fa86a745ef88ae323da92bf0.exe	29

C:\Users\Admin\AppData\Local\Temp\e22ef2e83a8486e7f41daffc9c5c7dc6a885b383fa86a745ef88ae323da92bf0.exe
"C:\Users\Admin\AppData\Local\Temp\e22ef2e83a8486e7f41daffc9c5c7dc6a885b383fa86a745ef88ae323da92bf0.exe"
1⤵
- Loads dropped DLL
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1108
- C:\Users\Admin\AppData\Local\Temp\windefend.exe
  "C:\Users\Admin\AppData\Local\Temp\windefend.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  PID:948
- C:\Windows\SysWOW64\cmd.exe
  cmd /c deleteself.bat
  2⤵
  - Deletes itself
  PID:1648

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
262B

MD5
b2ce4bd7ac85e9811cca042343b4be56

SHA1
bd64e76a4a82fd1b8aa58a35994ea09793122cd5

SHA256
740438b860578004aec4ef33a579bab7980b506f23d90743c6cbd0033fb9480a

SHA512
3e1cdc5d0027dd8fdca00bd79ca83d607ce5f21f286fc7d1e7a269c80aa5f2a94b7d79854d6430bbc973fdcf2c118dc8c119bd08283fbbb60468442d8e5afb71

Download Submit
C:\Users\Admin\AppData\Local\Temp\windefend.exe

Filesize
192KB

MD5
1a37626a9a09c20b8b57a92e466e5810

SHA1
548c37cdc4d679eed8d799fbdce948f1b31e3fd4

SHA256
e22ef2e83a8486e7f41daffc9c5c7dc6a885b383fa86a745ef88ae323da92bf0

SHA512
5dae098b5388c72154d0ce3a3dca0fbc6dff2b0a1579631888b4a43683fb0d820597fbd65c9dc56c0a22cfe2f1a7aee4e3df077722a1961191db0e67461c3b7c

Download Submit
\Users\Admin\AppData\Local\Temp\windefend.exe

Filesize
192KB

MD5
1a37626a9a09c20b8b57a92e466e5810

SHA1
548c37cdc4d679eed8d799fbdce948f1b31e3fd4

SHA256
e22ef2e83a8486e7f41daffc9c5c7dc6a885b383fa86a745ef88ae323da92bf0

SHA512
5dae098b5388c72154d0ce3a3dca0fbc6dff2b0a1579631888b4a43683fb0d820597fbd65c9dc56c0a22cfe2f1a7aee4e3df077722a1961191db0e67461c3b7c

Download Submit
\Users\Admin\AppData\Local\Temp\windefend.exe

Filesize
192KB

MD5
1a37626a9a09c20b8b57a92e466e5810

SHA1
548c37cdc4d679eed8d799fbdce948f1b31e3fd4

SHA256
e22ef2e83a8486e7f41daffc9c5c7dc6a885b383fa86a745ef88ae323da92bf0

SHA512
5dae098b5388c72154d0ce3a3dca0fbc6dff2b0a1579631888b4a43683fb0d820597fbd65c9dc56c0a22cfe2f1a7aee4e3df077722a1961191db0e67461c3b7c

Download Submit
memory/948-64-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1108-54-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1108-55-0x00000000758C1000-0x00000000758C3000-memory.dmp

Filesize
8KB

Download
memory/1108-63-0x0000000003060000-0x00000000030E1000-memory.dmp

Filesize
516KB

Download
memory/1108-65-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1108-67-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads