f0b3fa7def9c4e34fd711d5f82bee8a252eb2e49bb2a032e3ebbf0a0ce45e4e1

Analysis

max time kernel
129s
max time network
33s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 11:12

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General

Target

f0b3fa7def9c4e34fd711d5f82bee8a252eb2e49bb2a032e3ebbf0a0ce45e4e1.exe
Size

131KB
MD5

40ac16daa9c2f2b8f82b036938b2412a
SHA1

0cc85169d156bd25dab370a2f1bf712f3164ab49
SHA256

f0b3fa7def9c4e34fd711d5f82bee8a252eb2e49bb2a032e3ebbf0a0ce45e4e1
SHA512

5cb7918fb1132a8c45dddbdc65db3d8b1fd2db5a3f95f2b208271c5efbbb40f7509c2c248a5ae49c3c8f9be3b4d95fe64437898a12119cf0c3a3be8f57bd4f84
SSDEEP

3072:lEH+GiEs2SMylNOjyFbxJa5emEIr9E9njkKr3McVmySRyE6Uiowf5:lsehzRFW9rC5vV/SRS

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

FLASH.EXE

pid process

864 FLASH.EXE

pid	process
864	FLASH.EXE

Loads dropped DLL 9 IoCs

Processes:

f0b3fa7def9c4e34fd711d5f82bee8a252eb2e49bb2a032e3ebbf0a0ce45e4e1.exeFLASH.EXEWerFault.exe

pid	process
1372	f0b3fa7def9c4e34fd711d5f82bee8a252eb2e49bb2a032e3ebbf0a0ce45e4e1.exe
864	FLASH.EXE
864	FLASH.EXE
864	FLASH.EXE
1272	WerFault.exe
1272	WerFault.exe
1272	WerFault.exe
1272	WerFault.exe
1272	WerFault.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

f0b3fa7def9c4e34fd711d5f82bee8a252eb2e49bb2a032e3ebbf0a0ce45e4e1.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce	f0b3fa7def9c4e34fd711d5f82bee8a252eb2e49bb2a032e3ebbf0a0ce45e4e1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	f0b3fa7def9c4e34fd711d5f82bee8a252eb2e49bb2a032e3ebbf0a0ce45e4e1.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1272 864 WerFault.exe FLASH.EXE

pid	pid_target	process	target process
1272	864	WerFault.exe	FLASH.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

f0b3fa7def9c4e34fd711d5f82bee8a252eb2e49bb2a032e3ebbf0a0ce45e4e1.exeFLASH.EXE

description	pid	process	target process
PID 1372 wrote to memory of 864	1372	f0b3fa7def9c4e34fd711d5f82bee8a252eb2e49bb2a032e3ebbf0a0ce45e4e1.exe	FLASH.EXE
PID 1372 wrote to memory of 864	1372	f0b3fa7def9c4e34fd711d5f82bee8a252eb2e49bb2a032e3ebbf0a0ce45e4e1.exe	FLASH.EXE
PID 1372 wrote to memory of 864	1372	f0b3fa7def9c4e34fd711d5f82bee8a252eb2e49bb2a032e3ebbf0a0ce45e4e1.exe	FLASH.EXE
PID 1372 wrote to memory of 864	1372	f0b3fa7def9c4e34fd711d5f82bee8a252eb2e49bb2a032e3ebbf0a0ce45e4e1.exe	FLASH.EXE
PID 1372 wrote to memory of 864	1372	f0b3fa7def9c4e34fd711d5f82bee8a252eb2e49bb2a032e3ebbf0a0ce45e4e1.exe	FLASH.EXE
PID 1372 wrote to memory of 864	1372	f0b3fa7def9c4e34fd711d5f82bee8a252eb2e49bb2a032e3ebbf0a0ce45e4e1.exe	FLASH.EXE
PID 1372 wrote to memory of 864	1372	f0b3fa7def9c4e34fd711d5f82bee8a252eb2e49bb2a032e3ebbf0a0ce45e4e1.exe	FLASH.EXE
PID 864 wrote to memory of 1272	864	FLASH.EXE	WerFault.exe
PID 864 wrote to memory of 1272	864	FLASH.EXE	WerFault.exe
PID 864 wrote to memory of 1272	864	FLASH.EXE	WerFault.exe
PID 864 wrote to memory of 1272	864	FLASH.EXE	WerFault.exe
PID 864 wrote to memory of 1272	864	FLASH.EXE	WerFault.exe
PID 864 wrote to memory of 1272	864	FLASH.EXE	WerFault.exe
PID 864 wrote to memory of 1272	864	FLASH.EXE	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\f0b3fa7def9c4e34fd711d5f82bee8a252eb2e49bb2a032e3ebbf0a0ce45e4e1.exe
"C:\Users\Admin\AppData\Local\Temp\f0b3fa7def9c4e34fd711d5f82bee8a252eb2e49bb2a032e3ebbf0a0ce45e4e1.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1372

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\FLASH.EXE
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\FLASH.EXE
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:864

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 864 -s 268
3⤵
- Loads dropped DLL
- Program crash
PID:1272

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\FLASH.EXE

Filesize
83KB

MD5
95e1f5f720d02aad94f20f057513589c

SHA1
11af5c0af38fa3c69d191b4f617f07f42980a5db

SHA256
2775c0558739a174c21ec9c27a8ebc2f851bd27467c13b11ba65fb1307179205

SHA512
bc6dab455558869175c11ce123d571bbb4eb9de0c971ddff72fc37f0e687fa32ee2711f810dba190ed9403316d442ed52ef6ecc0ad281bb7fadd0ef2a9f7bce7

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\FLASH.EXE

Filesize
83KB

MD5
95e1f5f720d02aad94f20f057513589c

SHA1
11af5c0af38fa3c69d191b4f617f07f42980a5db

SHA256
2775c0558739a174c21ec9c27a8ebc2f851bd27467c13b11ba65fb1307179205

SHA512
bc6dab455558869175c11ce123d571bbb4eb9de0c971ddff72fc37f0e687fa32ee2711f810dba190ed9403316d442ed52ef6ecc0ad281bb7fadd0ef2a9f7bce7

Download Submit
\Users\Admin\AppData\Local\Temp\IXP000.TMP\FLASH.EXE

Filesize
83KB

MD5
95e1f5f720d02aad94f20f057513589c

SHA1
11af5c0af38fa3c69d191b4f617f07f42980a5db

SHA256
2775c0558739a174c21ec9c27a8ebc2f851bd27467c13b11ba65fb1307179205

SHA512
bc6dab455558869175c11ce123d571bbb4eb9de0c971ddff72fc37f0e687fa32ee2711f810dba190ed9403316d442ed52ef6ecc0ad281bb7fadd0ef2a9f7bce7

Download Submit
\Users\Admin\AppData\Local\Temp\IXP000.TMP\FLASH.EXE

Filesize
83KB

MD5
95e1f5f720d02aad94f20f057513589c

SHA1
11af5c0af38fa3c69d191b4f617f07f42980a5db

SHA256
2775c0558739a174c21ec9c27a8ebc2f851bd27467c13b11ba65fb1307179205

SHA512
bc6dab455558869175c11ce123d571bbb4eb9de0c971ddff72fc37f0e687fa32ee2711f810dba190ed9403316d442ed52ef6ecc0ad281bb7fadd0ef2a9f7bce7

Download Submit
\Users\Admin\AppData\Local\Temp\IXP000.TMP\FLASH.EXE

Filesize
83KB

MD5
95e1f5f720d02aad94f20f057513589c

SHA1
11af5c0af38fa3c69d191b4f617f07f42980a5db

SHA256
2775c0558739a174c21ec9c27a8ebc2f851bd27467c13b11ba65fb1307179205

SHA512
bc6dab455558869175c11ce123d571bbb4eb9de0c971ddff72fc37f0e687fa32ee2711f810dba190ed9403316d442ed52ef6ecc0ad281bb7fadd0ef2a9f7bce7

Download Submit
\Users\Admin\AppData\Local\Temp\IXP000.TMP\FLASH.EXE

Filesize
83KB

MD5
95e1f5f720d02aad94f20f057513589c

SHA1
11af5c0af38fa3c69d191b4f617f07f42980a5db

SHA256
2775c0558739a174c21ec9c27a8ebc2f851bd27467c13b11ba65fb1307179205

SHA512
bc6dab455558869175c11ce123d571bbb4eb9de0c971ddff72fc37f0e687fa32ee2711f810dba190ed9403316d442ed52ef6ecc0ad281bb7fadd0ef2a9f7bce7

Download Submit
\Users\Admin\AppData\Local\Temp\IXP000.TMP\FLASH.EXE

Filesize
83KB

MD5
95e1f5f720d02aad94f20f057513589c

SHA1
11af5c0af38fa3c69d191b4f617f07f42980a5db

SHA256
2775c0558739a174c21ec9c27a8ebc2f851bd27467c13b11ba65fb1307179205

SHA512
bc6dab455558869175c11ce123d571bbb4eb9de0c971ddff72fc37f0e687fa32ee2711f810dba190ed9403316d442ed52ef6ecc0ad281bb7fadd0ef2a9f7bce7

Download Submit
\Users\Admin\AppData\Local\Temp\IXP000.TMP\FLASH.EXE

Filesize
83KB

MD5
95e1f5f720d02aad94f20f057513589c

SHA1
11af5c0af38fa3c69d191b4f617f07f42980a5db

SHA256
2775c0558739a174c21ec9c27a8ebc2f851bd27467c13b11ba65fb1307179205

SHA512
bc6dab455558869175c11ce123d571bbb4eb9de0c971ddff72fc37f0e687fa32ee2711f810dba190ed9403316d442ed52ef6ecc0ad281bb7fadd0ef2a9f7bce7

Download Submit
\Users\Admin\AppData\Local\Temp\IXP000.TMP\FLASH.EXE

Filesize
83KB

MD5
95e1f5f720d02aad94f20f057513589c

SHA1
11af5c0af38fa3c69d191b4f617f07f42980a5db

SHA256
2775c0558739a174c21ec9c27a8ebc2f851bd27467c13b11ba65fb1307179205

SHA512
bc6dab455558869175c11ce123d571bbb4eb9de0c971ddff72fc37f0e687fa32ee2711f810dba190ed9403316d442ed52ef6ecc0ad281bb7fadd0ef2a9f7bce7

Download Submit
\Users\Admin\AppData\Local\Temp\IXP000.TMP\FLASH.EXE

Filesize
83KB

MD5
95e1f5f720d02aad94f20f057513589c

SHA1
11af5c0af38fa3c69d191b4f617f07f42980a5db

SHA256
2775c0558739a174c21ec9c27a8ebc2f851bd27467c13b11ba65fb1307179205

SHA512
bc6dab455558869175c11ce123d571bbb4eb9de0c971ddff72fc37f0e687fa32ee2711f810dba190ed9403316d442ed52ef6ecc0ad281bb7fadd0ef2a9f7bce7

Download Submit
\Users\Admin\AppData\Local\Temp\IXP000.TMP\FLASH.EXE

Filesize
83KB

MD5
95e1f5f720d02aad94f20f057513589c

SHA1
11af5c0af38fa3c69d191b4f617f07f42980a5db

SHA256
2775c0558739a174c21ec9c27a8ebc2f851bd27467c13b11ba65fb1307179205

SHA512
bc6dab455558869175c11ce123d571bbb4eb9de0c971ddff72fc37f0e687fa32ee2711f810dba190ed9403316d442ed52ef6ecc0ad281bb7fadd0ef2a9f7bce7

Download Submit
memory/864-65-0x00000000001D0000-0x00000000001FD000-memory.dmp

Filesize
180KB

Download
memory/864-64-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/864-56-0x0000000000000000-mapping.dmp

Download
memory/1272-66-0x0000000000000000-mapping.dmp

Download
memory/1372-63-0x0000000000190000-0x00000000001BD000-memory.dmp

Filesize
180KB

Download
memory/1372-54-0x0000000076B51000-0x0000000076B53000-memory.dmp

Filesize
8KB

Download
memory/1372-72-0x0000000000190000-0x00000000001BD000-memory.dmp

Filesize
180KB

Download