37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d

General

Target

37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exe
Size

141KB
MD5

f707bbac715d9589520b85a956998fcf
SHA1

657e884d65f9084f73897e7d392019096fa6e795
SHA256

37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d
SHA512

7622f75ef15afbd66be0d8f0b60c88c4f798708c1aed2187aea56ad193dd0444dd2b13d356268fd57e578ccb4c084e747bb7261245b65ae5157428b2450ddbf2
SSDEEP

3072:3N7Gw2n0nPBm/hIY3AdFxLrPvSySMiXfn0TI:3NJ2/hIY3MMdfn0M

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-1-5-21-999675638-2867687379-27515722-1000\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
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\594278622 = "C:\\PROGRA~3\\mstejr.exe"	msiexec.exe

Blocklisted process makes network request 17 IoCs

Processes:

msiexec.exe

flow	pid	process
1	944	msiexec.exe
2	944	msiexec.exe
3	944	msiexec.exe
5	944	msiexec.exe
6	944	msiexec.exe
7	944	msiexec.exe
8	944	msiexec.exe
10	944	msiexec.exe
12	944	msiexec.exe
15	944	msiexec.exe
16	944	msiexec.exe
19	944	msiexec.exe
20	944	msiexec.exe
23	944	msiexec.exe
24	944	msiexec.exe
27	944	msiexec.exe
28	944	msiexec.exe

Disables taskbar notifications via registry modification
evasion

Suspicious use of SetThreadContext 1 IoCs

Processes:

37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exe

description	pid	process	target process
PID 1672 set thread context of 1644	1672	37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exe	37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exe

Drops file in Program Files directory 1 IoCs

Processes:

msiexec.exe

description ioc process

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

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

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exe37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exemsiexec.exe

pid	process
1672	37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exe
1672	37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exe
1644	37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exe
944	msiexec.exe
944	msiexec.exe

Suspicious behavior: MapViewOfSection 25 IoCs

Processes:

37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exemsiexec.exe

pid	process
1644	37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exe
1644	37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exe
944	msiexec.exe
944	msiexec.exe
944	msiexec.exe
944	msiexec.exe
944	msiexec.exe
944	msiexec.exe
944	msiexec.exe
944	msiexec.exe
944	msiexec.exe
944	msiexec.exe
944	msiexec.exe
944	msiexec.exe
944	msiexec.exe
944	msiexec.exe
944	msiexec.exe
944	msiexec.exe
944	msiexec.exe
944	msiexec.exe
944	msiexec.exe
944	msiexec.exe
944	msiexec.exe
944	msiexec.exe
944	msiexec.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

msiexec.exe

pid process

944 msiexec.exe

pid	process
944	msiexec.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exe37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exemsiexec.exe

description	pid	process
Token: 33	1672	37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exe
Token: SeIncBasePriorityPrivilege	1672	37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exe
Token: SeDebugPrivilege	1644	37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exe
Token: SeBackupPrivilege	1644	37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exe
Token: SeRestorePrivilege	1644	37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exe
Token: SeDebugPrivilege	944	msiexec.exe
Token: SeBackupPrivilege	944	msiexec.exe
Token: SeRestorePrivilege	944	msiexec.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exe37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exe

description	pid	process	target process
PID 1672 wrote to memory of 1644	1672	37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exe	37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exe
PID 1672 wrote to memory of 1644	1672	37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exe	37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exe
PID 1672 wrote to memory of 1644	1672	37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exe	37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exe
PID 1672 wrote to memory of 1644	1672	37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exe	37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exe
PID 1672 wrote to memory of 1644	1672	37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exe	37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exe
PID 1672 wrote to memory of 1644	1672	37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exe	37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exe
PID 1672 wrote to memory of 1644	1672	37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exe	37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exe
PID 1672 wrote to memory of 1644	1672	37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exe	37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exe
PID 1644 wrote to memory of 944	1644	37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exe	msiexec.exe
PID 1644 wrote to memory of 944	1644	37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exe	msiexec.exe
PID 1644 wrote to memory of 944	1644	37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exe	msiexec.exe
PID 1644 wrote to memory of 944	1644	37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exe	msiexec.exe
PID 1644 wrote to memory of 944	1644	37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exe	msiexec.exe
PID 1644 wrote to memory of 944	1644	37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exe	msiexec.exe
PID 1644 wrote to memory of 944	1644	37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exe	msiexec.exe

C:\Users\Admin\AppData\Local\Temp\37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exe
"C:\Users\Admin\AppData\Local\Temp\37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1672

C:\Users\Admin\AppData\Local\Temp\37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exe
"C:\Users\Admin\AppData\Local\Temp\37cb2dc660505585c1c4dba2e2cd0add26456a369b0728034278076ec6db029d.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1644

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:944

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/944-61-0x0000000000000000-mapping.dmp

Download
memory/944-64-0x0000000000D20000-0x0000000000D34000-memory.dmp

Filesize
80KB

Download
memory/944-65-0x000000007EF90000-0x000000007EF96000-memory.dmp

Filesize
24KB

Download
memory/944-66-0x000000007EF90000-0x000000007EF96000-memory.dmp

Filesize
24KB

Download
memory/1644-58-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1644-59-0x00000000004016C3-mapping.dmp

Download
memory/1644-56-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1644-55-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1644-54-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1644-60-0x0000000075BD1000-0x0000000075BD3000-memory.dmp

Filesize
8KB

Download
memory/1644-62-0x000000007EF90000-0x000000007EF96000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads