a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b

General

Target

a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exe
Size

150KB
MD5

c98897c52c2c82705d4f73f44c733dec
SHA1

daeac16902ea002c8c76d32d8db1cddc159f9426
SHA256

a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b
SHA512

40e4f3e2ff4473bf3f9722917e82d5177f59dcd94f7922dbb662ab9355f0dbe8443dbd8bdb4462fd156742dd0271b69120c381b3e4cc8046e1f5131f4b980a2e
SSDEEP

3072:m4nOeNclhWePioq9I/aMDy4LmRby5XxNfeXLZbpV:RJAhrioq9IRDyMxkXd

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

Processes:

msiexec.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\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

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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\3014342378 = "C:\\PROGRA~3\\mscfyuyq.exe"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	msiexec.exe

Blocklisted process makes network request 27 IoCs

Processes:

msiexec.exe

flow	pid	process
2	988	msiexec.exe
3	988	msiexec.exe
4	988	msiexec.exe
6	988	msiexec.exe
7	988	msiexec.exe
8	988	msiexec.exe
9	988	msiexec.exe
11	988	msiexec.exe
13	988	msiexec.exe
16	988	msiexec.exe
17	988	msiexec.exe
18	988	msiexec.exe
19	988	msiexec.exe
20	988	msiexec.exe
21	988	msiexec.exe
22	988	msiexec.exe
23	988	msiexec.exe
24	988	msiexec.exe
25	988	msiexec.exe
26	988	msiexec.exe
27	988	msiexec.exe
28	988	msiexec.exe
29	988	msiexec.exe
30	988	msiexec.exe
31	988	msiexec.exe
32	988	msiexec.exe
33	988	msiexec.exe

Disables taskbar notifications via registry modification
evasion

Suspicious use of SetThreadContext 1 IoCs

Processes:

a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exe

description	pid	process	target process
PID 1788 set thread context of 1496	1788	a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exe	a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exe

Drops file in Program Files directory 1 IoCs

Processes:

msiexec.exe

description ioc process

File opened for modification C:\PROGRA~3\mscfyuyq.exe msiexec.exe

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

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exea62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exemsiexec.exe

pid	process
1788	a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exe
1788	a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exe
1496	a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exe
988	msiexec.exe
988	msiexec.exe

Suspicious behavior: MapViewOfSection 25 IoCs

Processes:

a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exemsiexec.exe

pid	process
1496	a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exe
1496	a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exe
988	msiexec.exe
988	msiexec.exe
988	msiexec.exe
988	msiexec.exe
988	msiexec.exe
988	msiexec.exe
988	msiexec.exe
988	msiexec.exe
988	msiexec.exe
988	msiexec.exe
988	msiexec.exe
988	msiexec.exe
988	msiexec.exe
988	msiexec.exe
988	msiexec.exe
988	msiexec.exe
988	msiexec.exe
988	msiexec.exe
988	msiexec.exe
988	msiexec.exe
988	msiexec.exe
988	msiexec.exe
988	msiexec.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

msiexec.exe

pid process

988 msiexec.exe

pid	process
988	msiexec.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exea62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exemsiexec.exe

description	pid	process
Token: 33	1788	a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exe
Token: SeIncBasePriorityPrivilege	1788	a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exe
Token: SeDebugPrivilege	1496	a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exe
Token: SeBackupPrivilege	1496	a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exe
Token: SeRestorePrivilege	1496	a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exe
Token: SeDebugPrivilege	988	msiexec.exe
Token: SeBackupPrivilege	988	msiexec.exe
Token: SeRestorePrivilege	988	msiexec.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exea62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exe

description	pid	process	target process
PID 1788 wrote to memory of 1496	1788	a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exe	a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exe
PID 1788 wrote to memory of 1496	1788	a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exe	a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exe
PID 1788 wrote to memory of 1496	1788	a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exe	a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exe
PID 1788 wrote to memory of 1496	1788	a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exe	a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exe
PID 1788 wrote to memory of 1496	1788	a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exe	a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exe
PID 1788 wrote to memory of 1496	1788	a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exe	a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exe
PID 1788 wrote to memory of 1496	1788	a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exe	a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exe
PID 1788 wrote to memory of 1496	1788	a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exe	a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exe
PID 1496 wrote to memory of 988	1496	a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exe	msiexec.exe
PID 1496 wrote to memory of 988	1496	a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exe	msiexec.exe
PID 1496 wrote to memory of 988	1496	a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exe	msiexec.exe
PID 1496 wrote to memory of 988	1496	a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exe	msiexec.exe
PID 1496 wrote to memory of 988	1496	a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exe	msiexec.exe
PID 1496 wrote to memory of 988	1496	a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exe	msiexec.exe
PID 1496 wrote to memory of 988	1496	a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exe	msiexec.exe

C:\Users\Admin\AppData\Local\Temp\a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exe
"C:\Users\Admin\AppData\Local\Temp\a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1788
- C:\Users\Admin\AppData\Local\Temp\a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exe
  "C:\Users\Admin\AppData\Local\Temp\a62f894c601a4e481f9ee1a1d0625f5d7e4b6065a5756155c95007ee8c72207b.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1496
- - 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:988

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/988-62-0x0000000000000000-mapping.dmp

Download
memory/988-64-0x0000000000970000-0x0000000000984000-memory.dmp

Filesize
80KB

Download
memory/988-65-0x000000007EF90000-0x000000007EF96000-memory.dmp

Filesize
24KB

Download
memory/988-66-0x000000007EF90000-0x000000007EF96000-memory.dmp

Filesize
24KB

Download
memory/1496-54-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1496-55-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1496-56-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1496-59-0x00000000004016C3-mapping.dmp

Download
memory/1496-58-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1496-60-0x00000000761F1000-0x00000000761F3000-memory.dmp

Filesize
8KB

Download
memory/1496-61-0x000000007EF90000-0x000000007EF96000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads