f66cf27386ee1e00b921d8b819aea1fd55532358ede7c2f16bbc0379b8dd65b1

General

Target

f66cf27386ee1e00b921d8b819aea1fd55532358ede7c2f16bbc0379b8dd65b1.exe
Size

69KB
MD5

cee8b295bcd78785d24e75f2d553850f
SHA1

96152414c813785a51ff0196ea0c49394f2c0b42
SHA256

f66cf27386ee1e00b921d8b819aea1fd55532358ede7c2f16bbc0379b8dd65b1
SHA512

83359d2a03867a6441b0c1dfcdf352e3cc8bce9ff5b24091e6ae2e4e68050682edf6433554beded6df285099a1e8d6871feb64314d8d58b22e53e685d2c99ca2
SSDEEP

1536:I3RNYSo9O+NQGhrRSVV1pXNocW9YcahizM32HOYeLa:I30SB+1Bip9T+8izKOOm

Score

10^/10

evasion persistence trojan

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	msiexec.exe

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

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

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\279966877 = "C:\\PROGRA~3\\msnrnli.exe"	msiexec.exe

Blocklisted process makes network request 5 IoCs

flow	pid	Process
2	1492	msiexec.exe
3	1492	msiexec.exe
4	1492	msiexec.exe
5	1492	msiexec.exe
6	1492	msiexec.exe

Disables taskbar notifications via registry modification
evasion

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1408 set thread context of 268	1408	f66cf27386ee1e00b921d8b819aea1fd55532358ede7c2f16bbc0379b8dd65b1.exe	28

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\PROGRA~3\msnrnli.exe	msiexec.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
268	f66cf27386ee1e00b921d8b819aea1fd55532358ede7c2f16bbc0379b8dd65b1.exe
1492	msiexec.exe
1492	msiexec.exe

Suspicious behavior: MapViewOfSection 26 IoCs

pid	Process
268	f66cf27386ee1e00b921d8b819aea1fd55532358ede7c2f16bbc0379b8dd65b1.exe
268	f66cf27386ee1e00b921d8b819aea1fd55532358ede7c2f16bbc0379b8dd65b1.exe
1492	msiexec.exe
1492	msiexec.exe
1492	msiexec.exe
1492	msiexec.exe
1492	msiexec.exe
1492	msiexec.exe
1492	msiexec.exe
1492	msiexec.exe
1492	msiexec.exe
1492	msiexec.exe
1492	msiexec.exe
1492	msiexec.exe
1492	msiexec.exe
1492	msiexec.exe
1492	msiexec.exe
1492	msiexec.exe
1492	msiexec.exe
1492	msiexec.exe
1492	msiexec.exe
1492	msiexec.exe
1492	msiexec.exe
1492	msiexec.exe
1492	msiexec.exe
1492	msiexec.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1492	msiexec.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	268	f66cf27386ee1e00b921d8b819aea1fd55532358ede7c2f16bbc0379b8dd65b1.exe
Token: SeBackupPrivilege	268	f66cf27386ee1e00b921d8b819aea1fd55532358ede7c2f16bbc0379b8dd65b1.exe
Token: SeRestorePrivilege	268	f66cf27386ee1e00b921d8b819aea1fd55532358ede7c2f16bbc0379b8dd65b1.exe
Token: SeDebugPrivilege	1492	msiexec.exe
Token: SeBackupPrivilege	1492	msiexec.exe
Token: SeRestorePrivilege	1492	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1408 wrote to memory of 268	1408	f66cf27386ee1e00b921d8b819aea1fd55532358ede7c2f16bbc0379b8dd65b1.exe	28
PID 1408 wrote to memory of 268	1408	f66cf27386ee1e00b921d8b819aea1fd55532358ede7c2f16bbc0379b8dd65b1.exe	28
PID 1408 wrote to memory of 268	1408	f66cf27386ee1e00b921d8b819aea1fd55532358ede7c2f16bbc0379b8dd65b1.exe	28
PID 1408 wrote to memory of 268	1408	f66cf27386ee1e00b921d8b819aea1fd55532358ede7c2f16bbc0379b8dd65b1.exe	28
PID 1408 wrote to memory of 268	1408	f66cf27386ee1e00b921d8b819aea1fd55532358ede7c2f16bbc0379b8dd65b1.exe	28
PID 1408 wrote to memory of 268	1408	f66cf27386ee1e00b921d8b819aea1fd55532358ede7c2f16bbc0379b8dd65b1.exe	28
PID 1408 wrote to memory of 268	1408	f66cf27386ee1e00b921d8b819aea1fd55532358ede7c2f16bbc0379b8dd65b1.exe	28
PID 1408 wrote to memory of 268	1408	f66cf27386ee1e00b921d8b819aea1fd55532358ede7c2f16bbc0379b8dd65b1.exe	28
PID 1408 wrote to memory of 268	1408	f66cf27386ee1e00b921d8b819aea1fd55532358ede7c2f16bbc0379b8dd65b1.exe	28
PID 268 wrote to memory of 1492	268	f66cf27386ee1e00b921d8b819aea1fd55532358ede7c2f16bbc0379b8dd65b1.exe	29
PID 268 wrote to memory of 1492	268	f66cf27386ee1e00b921d8b819aea1fd55532358ede7c2f16bbc0379b8dd65b1.exe	29
PID 268 wrote to memory of 1492	268	f66cf27386ee1e00b921d8b819aea1fd55532358ede7c2f16bbc0379b8dd65b1.exe	29
PID 268 wrote to memory of 1492	268	f66cf27386ee1e00b921d8b819aea1fd55532358ede7c2f16bbc0379b8dd65b1.exe	29
PID 268 wrote to memory of 1492	268	f66cf27386ee1e00b921d8b819aea1fd55532358ede7c2f16bbc0379b8dd65b1.exe	29
PID 268 wrote to memory of 1492	268	f66cf27386ee1e00b921d8b819aea1fd55532358ede7c2f16bbc0379b8dd65b1.exe	29
PID 268 wrote to memory of 1492	268	f66cf27386ee1e00b921d8b819aea1fd55532358ede7c2f16bbc0379b8dd65b1.exe	29

C:\Users\Admin\AppData\Local\Temp\f66cf27386ee1e00b921d8b819aea1fd55532358ede7c2f16bbc0379b8dd65b1.exe
"C:\Users\Admin\AppData\Local\Temp\f66cf27386ee1e00b921d8b819aea1fd55532358ede7c2f16bbc0379b8dd65b1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1408
- C:\Users\Admin\AppData\Local\Temp\f66cf27386ee1e00b921d8b819aea1fd55532358ede7c2f16bbc0379b8dd65b1.exe
  "C:\Users\Admin\AppData\Local\Temp\f66cf27386ee1e00b921d8b819aea1fd55532358ede7c2f16bbc0379b8dd65b1.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:268
- - C:\Windows\SysWOW64\msiexec.exe
    C:\Windows\SysWOW64\msiexec.exe
    3⤵
    - Modifies visiblity of hidden/system files in Explorer
    - UAC bypass
    - Adds policy Run key to start application
    - Blocklisted process makes network request
    - Drops file in Program Files directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious behavior: RenamesItself
    - Suspicious use of AdjustPrivilegeToken
    PID:1492

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

1

T1158

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Bypass User Account Control

1

T1088

Defense Evasion

Bypass User Account Control

1

T1088

Disabling Security Tools

1

T1089

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/268-62-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/268-64-0x000000007EF90000-0x000000007EF96000-memory.dmp

Filesize
24KB

Download
memory/268-56-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/268-57-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/268-58-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1408-61-0x0000000074190000-0x000000007473B000-memory.dmp

Filesize
5.7MB

Download
memory/1408-54-0x0000000075F21000-0x0000000075F23000-memory.dmp

Filesize
8KB

Download
memory/1408-55-0x0000000074190000-0x000000007473B000-memory.dmp

Filesize
5.7MB

Download
memory/1492-68-0x000000007EF90000-0x000000007EF96000-memory.dmp

Filesize
24KB

Download
memory/1492-67-0x00000000006C0000-0x00000000006D4000-memory.dmp

Filesize
80KB

Download
memory/1492-69-0x000000007EF90000-0x000000007EF96000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads