cabf6680d0c0c4f2af98f421db2e11795536208ac1cebcc001671cb04f580e96

General

Target

cabf6680d0c0c4f2af98f421db2e11795536208ac1cebcc001671cb04f580e96.exe
Size

75KB
MD5

1585d0fe2a7ec9f710a016dee24b1e4f
SHA1

6730f34bdf92b11346b1e34e36a7981d8cf55f7e
SHA256

cabf6680d0c0c4f2af98f421db2e11795536208ac1cebcc001671cb04f580e96
SHA512

6c7d085a11bc0e91945896815f403546bafc09af4a0300b7822342a784a6cf81a8c4fad20dd88594625d1b9830081c33745532310c653bd13e5c78cfcd95a4d7
SSDEEP

1536:+TEmpbswZUH3smQaNWT7lw2YrWCwtMfRBhijv9zwIeAAD3:+TEmuLc2QlwYCwRpu

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-1-5-21-3845472200-3839195424-595303356-1000\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

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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\1249150388 = "C:\\PROGRA~3\\msurf.exe"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	msiexec.exe

Blocklisted process makes network request 9 IoCs

flow	pid	Process
3	1920	msiexec.exe
4	1920	msiexec.exe
5	1920	msiexec.exe
8	1920	msiexec.exe
10	1920	msiexec.exe
12	1920	msiexec.exe
16	1920	msiexec.exe
18	1920	msiexec.exe
19	1920	msiexec.exe

Disables taskbar notifications via registry modification
evasion

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2036 set thread context of 1184	2036	cabf6680d0c0c4f2af98f421db2e11795536208ac1cebcc001671cb04f580e96.exe	27

Drops file in Program Files directory 1 IoCs

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

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1184	cabf6680d0c0c4f2af98f421db2e11795536208ac1cebcc001671cb04f580e96.exe
1920	msiexec.exe
1920	msiexec.exe

Suspicious behavior: MapViewOfSection 25 IoCs

pid	Process
1184	cabf6680d0c0c4f2af98f421db2e11795536208ac1cebcc001671cb04f580e96.exe
1184	cabf6680d0c0c4f2af98f421db2e11795536208ac1cebcc001671cb04f580e96.exe
1920	msiexec.exe
1920	msiexec.exe
1920	msiexec.exe
1920	msiexec.exe
1920	msiexec.exe
1920	msiexec.exe
1920	msiexec.exe
1920	msiexec.exe
1920	msiexec.exe
1920	msiexec.exe
1920	msiexec.exe
1920	msiexec.exe
1920	msiexec.exe
1920	msiexec.exe
1920	msiexec.exe
1920	msiexec.exe
1920	msiexec.exe
1920	msiexec.exe
1920	msiexec.exe
1920	msiexec.exe
1920	msiexec.exe
1920	msiexec.exe
1920	msiexec.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1920	msiexec.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	1184	cabf6680d0c0c4f2af98f421db2e11795536208ac1cebcc001671cb04f580e96.exe
Token: SeBackupPrivilege	1184	cabf6680d0c0c4f2af98f421db2e11795536208ac1cebcc001671cb04f580e96.exe
Token: SeRestorePrivilege	1184	cabf6680d0c0c4f2af98f421db2e11795536208ac1cebcc001671cb04f580e96.exe
Token: SeDebugPrivilege	1920	msiexec.exe
Token: SeBackupPrivilege	1920	msiexec.exe
Token: SeRestorePrivilege	1920	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 1184	2036	cabf6680d0c0c4f2af98f421db2e11795536208ac1cebcc001671cb04f580e96.exe	27
PID 2036 wrote to memory of 1184	2036	cabf6680d0c0c4f2af98f421db2e11795536208ac1cebcc001671cb04f580e96.exe	27
PID 2036 wrote to memory of 1184	2036	cabf6680d0c0c4f2af98f421db2e11795536208ac1cebcc001671cb04f580e96.exe	27
PID 2036 wrote to memory of 1184	2036	cabf6680d0c0c4f2af98f421db2e11795536208ac1cebcc001671cb04f580e96.exe	27
PID 2036 wrote to memory of 1184	2036	cabf6680d0c0c4f2af98f421db2e11795536208ac1cebcc001671cb04f580e96.exe	27
PID 2036 wrote to memory of 1184	2036	cabf6680d0c0c4f2af98f421db2e11795536208ac1cebcc001671cb04f580e96.exe	27
PID 2036 wrote to memory of 1184	2036	cabf6680d0c0c4f2af98f421db2e11795536208ac1cebcc001671cb04f580e96.exe	27
PID 2036 wrote to memory of 1184	2036	cabf6680d0c0c4f2af98f421db2e11795536208ac1cebcc001671cb04f580e96.exe	27
PID 2036 wrote to memory of 1184	2036	cabf6680d0c0c4f2af98f421db2e11795536208ac1cebcc001671cb04f580e96.exe	27
PID 1184 wrote to memory of 1920	1184	cabf6680d0c0c4f2af98f421db2e11795536208ac1cebcc001671cb04f580e96.exe	28
PID 1184 wrote to memory of 1920	1184	cabf6680d0c0c4f2af98f421db2e11795536208ac1cebcc001671cb04f580e96.exe	28
PID 1184 wrote to memory of 1920	1184	cabf6680d0c0c4f2af98f421db2e11795536208ac1cebcc001671cb04f580e96.exe	28
PID 1184 wrote to memory of 1920	1184	cabf6680d0c0c4f2af98f421db2e11795536208ac1cebcc001671cb04f580e96.exe	28
PID 1184 wrote to memory of 1920	1184	cabf6680d0c0c4f2af98f421db2e11795536208ac1cebcc001671cb04f580e96.exe	28
PID 1184 wrote to memory of 1920	1184	cabf6680d0c0c4f2af98f421db2e11795536208ac1cebcc001671cb04f580e96.exe	28
PID 1184 wrote to memory of 1920	1184	cabf6680d0c0c4f2af98f421db2e11795536208ac1cebcc001671cb04f580e96.exe	28

C:\Users\Admin\AppData\Local\Temp\cabf6680d0c0c4f2af98f421db2e11795536208ac1cebcc001671cb04f580e96.exe
"C:\Users\Admin\AppData\Local\Temp\cabf6680d0c0c4f2af98f421db2e11795536208ac1cebcc001671cb04f580e96.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Users\Admin\AppData\Local\Temp\cabf6680d0c0c4f2af98f421db2e11795536208ac1cebcc001671cb04f580e96.exe
  "C:\Users\Admin\AppData\Local\Temp\cabf6680d0c0c4f2af98f421db2e11795536208ac1cebcc001671cb04f580e96.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1184
- - 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:1920

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/1184-56-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1184-57-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1184-58-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1184-63-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1184-66-0x000000007EF90000-0x000000007EF96000-memory.dmp

Filesize
24KB

Download
memory/1920-67-0x00000000000B0000-0x00000000000C4000-memory.dmp

Filesize
80KB

Download
memory/1920-68-0x000000007EF90000-0x000000007EF96000-memory.dmp

Filesize
24KB

Download
memory/2036-54-0x0000000076401000-0x0000000076403000-memory.dmp

Filesize
8KB

Download
memory/2036-55-0x0000000074EA0000-0x000000007544B000-memory.dmp

Filesize
5.7MB

Download
memory/2036-61-0x0000000074EA0000-0x000000007544B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads