9d1622d83303bbe913bbbd7974c90a1cee88046188764ffaa796f610dffd1528

Analysis

max time kernel
41s
max time network
44s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
24-11-2022 04:26

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General

Target

9d1622d83303bbe913bbbd7974c90a1cee88046188764ffaa796f610dffd1528.exe
Size

277KB
MD5

4d0a883bb0d24c1942bd40ed9f9c1148
SHA1

b304ad3db51c17b88bec29b1e5e469e12e6c8973
SHA256

9d1622d83303bbe913bbbd7974c90a1cee88046188764ffaa796f610dffd1528
SHA512

d8275c07970811afb49eb315d5aa95fe32eb24ea1c6ccdb3ef1f3f827bc496e370f460c5a8227a5f62cbc890e5540016f35ecb58142d670c249878a06cabcc94
SSDEEP

6144:Ka4InuJg58BkgqPoDH49n8Bb/ccKiQuJcw1nc6:Kat0EAH49n8BiAJcw1c6

Score

10^/10

evasion persistence trojan

Malware Config

Signatures

UAC bypass 3 TTPs 1 IoCs
evasion trojan

Bypass User Account Control
T1088

Disabling Security Tools
T1089

Modify Registry
T1112

Processes:

msiexec.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" msiexec.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	msiexec.exe

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

msiexec.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\software\microsoft\windows\currentversion\Policies\Explorer\Run	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\4144174753 = "C:\\PROGRA~3\\msxjkmj.exe"	msiexec.exe

Blocklisted process makes network request 4 IoCs

Processes:

msiexec.exe

flow pid process

2 1400 msiexec.exe
3 1400 msiexec.exe
4 1400 msiexec.exe
5 1400 msiexec.exe
Disables taskbar notifications via registry modification
evasion
Executes dropped EXE 2 IoCs

Processes:

fplayer.exefplayer.exe

pid process

980 fplayer.exe
1624 fplayer.exe

flow	pid	process
2	1400	msiexec.exe
3	1400	msiexec.exe
4	1400	msiexec.exe
5	1400	msiexec.exe

pid	process
980	fplayer.exe
1624	fplayer.exe

Loads dropped DLL 6 IoCs

Processes:

9d1622d83303bbe913bbbd7974c90a1cee88046188764ffaa796f610dffd1528.exefplayer.exe

pid	process
1044	9d1622d83303bbe913bbbd7974c90a1cee88046188764ffaa796f610dffd1528.exe
1044	9d1622d83303bbe913bbbd7974c90a1cee88046188764ffaa796f610dffd1528.exe
1044	9d1622d83303bbe913bbbd7974c90a1cee88046188764ffaa796f610dffd1528.exe
1044	9d1622d83303bbe913bbbd7974c90a1cee88046188764ffaa796f610dffd1528.exe
1044	9d1622d83303bbe913bbbd7974c90a1cee88046188764ffaa796f610dffd1528.exe
980	fplayer.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

fplayer.exe

description pid process target process

PID 980 set thread context of 1624 980 fplayer.exe fplayer.exe
Drops file in Program Files directory 2 IoCs

Processes:

msiexec.exe

description ioc process

File opened for modification C:\PROGRA~3\msxjkmj.exe msiexec.exe
File created C:\PROGRA~3\msxjkmj.exe msiexec.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

fplayer.exefplayer.exemsiexec.exe

pid process

980 fplayer.exe
980 fplayer.exe
1624 fplayer.exe
1624 fplayer.exe
1400 msiexec.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

fplayer.exe

pid process

1624 fplayer.exe
1624 fplayer.exe

description	pid	process	target process
PID 980 set thread context of 1624	980	fplayer.exe	fplayer.exe

description	ioc	process
File opened for modification	C:\PROGRA~3\msxjkmj.exe	msiexec.exe
File created	C:\PROGRA~3\msxjkmj.exe	msiexec.exe

pid	process
980	fplayer.exe
980	fplayer.exe
1624	fplayer.exe
1624	fplayer.exe
1400	msiexec.exe

pid	process
1624	fplayer.exe
1624	fplayer.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

fplayer.exemsiexec.exe

description	pid	process
Token: SeDebugPrivilege	1624	fplayer.exe
Token: SeBackupPrivilege	1624	fplayer.exe
Token: SeRestorePrivilege	1624	fplayer.exe
Token: SeDebugPrivilege	1400	msiexec.exe
Token: SeBackupPrivilege	1400	msiexec.exe
Token: SeRestorePrivilege	1400	msiexec.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

9d1622d83303bbe913bbbd7974c90a1cee88046188764ffaa796f610dffd1528.exefplayer.exefplayer.exe

description	pid	process	target process
PID 1044 wrote to memory of 980	1044	9d1622d83303bbe913bbbd7974c90a1cee88046188764ffaa796f610dffd1528.exe	fplayer.exe
PID 1044 wrote to memory of 980	1044	9d1622d83303bbe913bbbd7974c90a1cee88046188764ffaa796f610dffd1528.exe	fplayer.exe
PID 1044 wrote to memory of 980	1044	9d1622d83303bbe913bbbd7974c90a1cee88046188764ffaa796f610dffd1528.exe	fplayer.exe
PID 1044 wrote to memory of 980	1044	9d1622d83303bbe913bbbd7974c90a1cee88046188764ffaa796f610dffd1528.exe	fplayer.exe
PID 1044 wrote to memory of 980	1044	9d1622d83303bbe913bbbd7974c90a1cee88046188764ffaa796f610dffd1528.exe	fplayer.exe
PID 1044 wrote to memory of 980	1044	9d1622d83303bbe913bbbd7974c90a1cee88046188764ffaa796f610dffd1528.exe	fplayer.exe
PID 1044 wrote to memory of 980	1044	9d1622d83303bbe913bbbd7974c90a1cee88046188764ffaa796f610dffd1528.exe	fplayer.exe
PID 980 wrote to memory of 1624	980	fplayer.exe	fplayer.exe
PID 980 wrote to memory of 1624	980	fplayer.exe	fplayer.exe
PID 980 wrote to memory of 1624	980	fplayer.exe	fplayer.exe
PID 980 wrote to memory of 1624	980	fplayer.exe	fplayer.exe
PID 980 wrote to memory of 1624	980	fplayer.exe	fplayer.exe
PID 980 wrote to memory of 1624	980	fplayer.exe	fplayer.exe
PID 980 wrote to memory of 1624	980	fplayer.exe	fplayer.exe
PID 980 wrote to memory of 1624	980	fplayer.exe	fplayer.exe
PID 980 wrote to memory of 1624	980	fplayer.exe	fplayer.exe
PID 980 wrote to memory of 1624	980	fplayer.exe	fplayer.exe
PID 980 wrote to memory of 1624	980	fplayer.exe	fplayer.exe
PID 1624 wrote to memory of 1400	1624	fplayer.exe	msiexec.exe
PID 1624 wrote to memory of 1400	1624	fplayer.exe	msiexec.exe
PID 1624 wrote to memory of 1400	1624	fplayer.exe	msiexec.exe
PID 1624 wrote to memory of 1400	1624	fplayer.exe	msiexec.exe
PID 1624 wrote to memory of 1400	1624	fplayer.exe	msiexec.exe
PID 1624 wrote to memory of 1400	1624	fplayer.exe	msiexec.exe
PID 1624 wrote to memory of 1400	1624	fplayer.exe	msiexec.exe

C:\Users\Admin\AppData\Local\Temp\9d1622d83303bbe913bbbd7974c90a1cee88046188764ffaa796f610dffd1528.exe
"C:\Users\Admin\AppData\Local\Temp\9d1622d83303bbe913bbbd7974c90a1cee88046188764ffaa796f610dffd1528.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1044

C:\Users\Admin\AppData\Local\Temp\fplayer\fplayer.exe
"C:\Users\Admin\AppData\Local\Temp\fplayer\fplayer.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:980

C:\Users\Admin\AppData\Local\Temp\fplayer\fplayer.exe
"C:\Users\Admin\AppData\Local\Temp\fplayer\fplayer.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1624

C:\Windows\SysWOW64\msiexec.exe
C:\Windows\SysWOW64\msiexec.exe
4⤵
- UAC bypass
- Adds policy Run key to start application
- Blocklisted process makes network request
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1400

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Bypass User Account Control

T1088

Defense Evasion

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\fplayer\fplayer.exe
Filesize
149KB

MD5
d67e024533fb9adf514b9ec62b7ec2c3

SHA1
f17ff6b18523ebdf12a811d5a390943b584c884b

SHA256
ca4f990ea198a221c6eaba11d28e8dc153a44efde565bcc2afc996c374739edb

SHA512
79c33d56dcde6899358500245a7a3ed79f6f6c012662f3ca2abd182dfb5cde38393831e312e98715769adbf1797fa8044e275aab2ca7e61470d9e48be7073f69

Download Submit
C:\Users\Admin\AppData\Local\Temp\fplayer\fplayer.exe
Filesize
149KB

MD5
d67e024533fb9adf514b9ec62b7ec2c3

SHA1
f17ff6b18523ebdf12a811d5a390943b584c884b

SHA256
ca4f990ea198a221c6eaba11d28e8dc153a44efde565bcc2afc996c374739edb

SHA512
79c33d56dcde6899358500245a7a3ed79f6f6c012662f3ca2abd182dfb5cde38393831e312e98715769adbf1797fa8044e275aab2ca7e61470d9e48be7073f69

Download Submit
C:\Users\Admin\AppData\Local\Temp\fplayer\fplayer.exe
Filesize
149KB

MD5
d67e024533fb9adf514b9ec62b7ec2c3

SHA1
f17ff6b18523ebdf12a811d5a390943b584c884b

SHA256
ca4f990ea198a221c6eaba11d28e8dc153a44efde565bcc2afc996c374739edb

SHA512
79c33d56dcde6899358500245a7a3ed79f6f6c012662f3ca2abd182dfb5cde38393831e312e98715769adbf1797fa8044e275aab2ca7e61470d9e48be7073f69

Download Submit
\Users\Admin\AppData\Local\Temp\fplayer\fplayer.exe
Filesize
149KB

MD5
d67e024533fb9adf514b9ec62b7ec2c3

SHA1
f17ff6b18523ebdf12a811d5a390943b584c884b

SHA256
ca4f990ea198a221c6eaba11d28e8dc153a44efde565bcc2afc996c374739edb

SHA512
79c33d56dcde6899358500245a7a3ed79f6f6c012662f3ca2abd182dfb5cde38393831e312e98715769adbf1797fa8044e275aab2ca7e61470d9e48be7073f69

Download Submit
\Users\Admin\AppData\Local\Temp\fplayer\fplayer.exe
Filesize
149KB

MD5
d67e024533fb9adf514b9ec62b7ec2c3

SHA1
f17ff6b18523ebdf12a811d5a390943b584c884b

SHA256
ca4f990ea198a221c6eaba11d28e8dc153a44efde565bcc2afc996c374739edb

SHA512
79c33d56dcde6899358500245a7a3ed79f6f6c012662f3ca2abd182dfb5cde38393831e312e98715769adbf1797fa8044e275aab2ca7e61470d9e48be7073f69

Download Submit
\Users\Admin\AppData\Local\Temp\fplayer\fplayer.exe
Filesize
149KB

MD5
d67e024533fb9adf514b9ec62b7ec2c3

SHA1
f17ff6b18523ebdf12a811d5a390943b584c884b

SHA256
ca4f990ea198a221c6eaba11d28e8dc153a44efde565bcc2afc996c374739edb

SHA512
79c33d56dcde6899358500245a7a3ed79f6f6c012662f3ca2abd182dfb5cde38393831e312e98715769adbf1797fa8044e275aab2ca7e61470d9e48be7073f69

Download Submit
\Users\Admin\AppData\Local\Temp\fplayer\fplayer.exe
Filesize
149KB

MD5
d67e024533fb9adf514b9ec62b7ec2c3

SHA1
f17ff6b18523ebdf12a811d5a390943b584c884b

SHA256
ca4f990ea198a221c6eaba11d28e8dc153a44efde565bcc2afc996c374739edb

SHA512
79c33d56dcde6899358500245a7a3ed79f6f6c012662f3ca2abd182dfb5cde38393831e312e98715769adbf1797fa8044e275aab2ca7e61470d9e48be7073f69

Download Submit
\Users\Admin\AppData\Local\Temp\fplayer\fplayer.exe
Filesize
149KB

MD5
d67e024533fb9adf514b9ec62b7ec2c3

SHA1
f17ff6b18523ebdf12a811d5a390943b584c884b

SHA256
ca4f990ea198a221c6eaba11d28e8dc153a44efde565bcc2afc996c374739edb

SHA512
79c33d56dcde6899358500245a7a3ed79f6f6c012662f3ca2abd182dfb5cde38393831e312e98715769adbf1797fa8044e275aab2ca7e61470d9e48be7073f69

Download Submit
\Users\Admin\AppData\Local\Temp\fplayer\fplayer.exe
Filesize
149KB

MD5
d67e024533fb9adf514b9ec62b7ec2c3

SHA1
f17ff6b18523ebdf12a811d5a390943b584c884b

SHA256
ca4f990ea198a221c6eaba11d28e8dc153a44efde565bcc2afc996c374739edb

SHA512
79c33d56dcde6899358500245a7a3ed79f6f6c012662f3ca2abd182dfb5cde38393831e312e98715769adbf1797fa8044e275aab2ca7e61470d9e48be7073f69

Download Submit
memory/980-60-0x0000000000000000-mapping.dmp

Download
memory/980-72-0x0000000000230000-0x0000000000235000-memory.dmp

Filesize
20KB

Download
memory/1044-54-0x0000000075071000-0x0000000075073000-memory.dmp

Filesize
8KB

Download
memory/1400-75-0x0000000000000000-mapping.dmp

Download
memory/1400-79-0x000000007EF90000-0x000000007EF95000-memory.dmp

Filesize
20KB

Download
memory/1400-78-0x000000007EF90000-0x000000007EF95000-memory.dmp

Filesize
20KB

Download
memory/1400-77-0x00000000001A0000-0x00000000001B4000-memory.dmp

Filesize
80KB

Download
memory/1624-66-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1624-74-0x000000007EF90000-0x000000007EF95000-memory.dmp

Filesize
20KB

Download
memory/1624-70-0x00000000004016BF-mapping.dmp

Download
memory/1624-69-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1624-65-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1624-67-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download