a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b

General

Target

a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exe
Size

158KB
MD5

1d9e8b1774f1a1876db3367528d01189
SHA1

78c08d438380875969f30a01e849f60ce217788a
SHA256

a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b
SHA512

47ada6a165d0d70c7cc8fad5c9d67f552617a2900dc849f8d515adef47348c9c9aeaed1edc217808e41589bd84e8cd6365711d8a2e79addcbb695d83059d68e7
SSDEEP

3072:ESl6EaT2Tip/qJ3sP/gsVlpgyaMGdwj4y2ICbo+:EGGVHgywIOo+

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-1-5-21-3385717845-2518323428-350143044-1000\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

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\2762582129 = "C:\\PROGRA~3\\msdzjv.exe"	msiexec.exe

Blocklisted process makes network request 18 IoCs

Processes:

msiexec.exe

flow	pid	process
2	692	msiexec.exe
3	692	msiexec.exe
4	692	msiexec.exe
6	692	msiexec.exe
7	692	msiexec.exe
8	692	msiexec.exe
9	692	msiexec.exe
11	692	msiexec.exe
13	692	msiexec.exe
15	692	msiexec.exe
16	692	msiexec.exe
17	692	msiexec.exe
18	692	msiexec.exe
19	692	msiexec.exe
20	692	msiexec.exe
21	692	msiexec.exe
22	692	msiexec.exe
23	692	msiexec.exe

Disables taskbar notifications via registry modification
evasion

Suspicious use of SetThreadContext 1 IoCs

Processes:

a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exe

description	pid	process	target process
PID 1776 set thread context of 1360	1776	a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exe	a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exe

Drops file in Program Files directory 1 IoCs

Processes:

msiexec.exe

description ioc process

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

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

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exea6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exemsiexec.exe

pid	process
1776	a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exe
1776	a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exe
1360	a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exe
692	msiexec.exe
692	msiexec.exe

Suspicious behavior: MapViewOfSection 26 IoCs

Processes:

a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exemsiexec.exe

pid	process
1360	a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exe
1360	a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exe
692	msiexec.exe
692	msiexec.exe
692	msiexec.exe
692	msiexec.exe
692	msiexec.exe
692	msiexec.exe
692	msiexec.exe
692	msiexec.exe
692	msiexec.exe
692	msiexec.exe
692	msiexec.exe
692	msiexec.exe
692	msiexec.exe
692	msiexec.exe
692	msiexec.exe
692	msiexec.exe
692	msiexec.exe
692	msiexec.exe
692	msiexec.exe
692	msiexec.exe
692	msiexec.exe
692	msiexec.exe
692	msiexec.exe
692	msiexec.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

msiexec.exe

pid process

692 msiexec.exe

pid	process
692	msiexec.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exea6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exemsiexec.exe

description	pid	process
Token: 33	1776	a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exe
Token: SeIncBasePriorityPrivilege	1776	a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exe
Token: SeDebugPrivilege	1360	a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exe
Token: SeBackupPrivilege	1360	a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exe
Token: SeRestorePrivilege	1360	a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exe
Token: SeDebugPrivilege	692	msiexec.exe
Token: SeBackupPrivilege	692	msiexec.exe
Token: SeRestorePrivilege	692	msiexec.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exea6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exe

description	pid	process	target process
PID 1776 wrote to memory of 1360	1776	a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exe	a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exe
PID 1776 wrote to memory of 1360	1776	a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exe	a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exe
PID 1776 wrote to memory of 1360	1776	a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exe	a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exe
PID 1776 wrote to memory of 1360	1776	a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exe	a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exe
PID 1776 wrote to memory of 1360	1776	a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exe	a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exe
PID 1776 wrote to memory of 1360	1776	a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exe	a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exe
PID 1776 wrote to memory of 1360	1776	a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exe	a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exe
PID 1776 wrote to memory of 1360	1776	a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exe	a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exe
PID 1360 wrote to memory of 692	1360	a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exe	msiexec.exe
PID 1360 wrote to memory of 692	1360	a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exe	msiexec.exe
PID 1360 wrote to memory of 692	1360	a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exe	msiexec.exe
PID 1360 wrote to memory of 692	1360	a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exe	msiexec.exe
PID 1360 wrote to memory of 692	1360	a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exe	msiexec.exe
PID 1360 wrote to memory of 692	1360	a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exe	msiexec.exe
PID 1360 wrote to memory of 692	1360	a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exe	msiexec.exe

C:\Users\Admin\AppData\Local\Temp\a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exe
"C:\Users\Admin\AppData\Local\Temp\a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1776
- C:\Users\Admin\AppData\Local\Temp\a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exe
  "C:\Users\Admin\AppData\Local\Temp\a6550b6c2eb7767c145f8f013a2d9486dab8ceb5fc31703195e2586d3fd0486b.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1360
- - 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:692

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/692-63-0x0000000000000000-mapping.dmp

Download
memory/692-65-0x0000000000AE0000-0x0000000000AF4000-memory.dmp

Filesize
80KB

Download
memory/692-66-0x000000007EF90000-0x000000007EF96000-memory.dmp

Filesize
24KB

Download
memory/1360-54-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1360-55-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1360-56-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1360-58-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1360-59-0x00000000004016C3-mapping.dmp

Download
memory/1360-61-0x0000000075F01000-0x0000000075F03000-memory.dmp

Filesize
8KB

Download
memory/1360-62-0x000000007EF90000-0x000000007EF96000-memory.dmp

Filesize
24KB

Download
memory/1776-60-0x0000000000230000-0x0000000000235000-memory.dmp

Filesize
20KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads