3864000bdce54306e787beb73fbb02642f7a539a2c255fc6e76dcbe2e685c733

Analysis

max time kernel
77s
max time network
10s
platform
windows7_x64
resource
win7v20201028
submitted
13-01-2021 20:20

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General

Target

121.exe
Size

3.6MB
MD5

efb2808e93c3f53bdc896c2957cc9b87
SHA1

82fa8aa8a75a1194232ec186bb73266f7b76d56f
SHA256

3864000bdce54306e787beb73fbb02642f7a539a2c255fc6e76dcbe2e685c733
SHA512

9db24f6bac562b27512583362f00082d14aeb20a6dd10356c6fc154ef467ae1121bf317e782d017f16e7b7e8cbd1859d82494308c2bfb5b3ff5975c53c0cd6c2

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 4 IoCs

Processes:

InstallUtil.exeInstallUtil.exeInstallUtil.exefile.exe

pid process

1396 InstallUtil.exe
964 InstallUtil.exe
1912 InstallUtil.exe
1480 file.exe
Loads dropped DLL 4 IoCs

Processes:

121.exeInstallUtil.exeInstallUtil.exeInstallUtil.exe

pid process

1696 121.exe
1396 InstallUtil.exe
964 InstallUtil.exe
1912 InstallUtil.exe

pid	process
1396	InstallUtil.exe
964	InstallUtil.exe
1912	InstallUtil.exe
1480	file.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\file = "C:\\Users\\Admin\\Documents\\file.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

121.exeInstallUtil.exeInstallUtil.exe

description	pid	process	target process
PID 1696 set thread context of 1396	1696	121.exe	InstallUtil.exe
PID 1396 set thread context of 964	1396	InstallUtil.exe	InstallUtil.exe
PID 964 set thread context of 1912	964	InstallUtil.exe	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

121.exeInstallUtil.exeInstallUtil.exeInstallUtil.exe

pid	process
1696	121.exe
1696	121.exe
1396	InstallUtil.exe
1396	InstallUtil.exe
964	InstallUtil.exe
964	InstallUtil.exe
1912	InstallUtil.exe
1912	InstallUtil.exe
1912	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

121.exeInstallUtil.exeInstallUtil.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	1696	121.exe
Token: SeDebugPrivilege	1396	InstallUtil.exe
Token: SeDebugPrivilege	964	InstallUtil.exe
Token: SeDebugPrivilege	1912	InstallUtil.exe

Suspicious use of WriteProcessMemory 51 IoCs

Processes:

121.exeInstallUtil.exeInstallUtil.exeInstallUtil.execmd.exe

description	pid	process	target process
PID 1696 wrote to memory of 1396	1696	121.exe	InstallUtil.exe
PID 1696 wrote to memory of 1396	1696	121.exe	InstallUtil.exe
PID 1696 wrote to memory of 1396	1696	121.exe	InstallUtil.exe
PID 1696 wrote to memory of 1396	1696	121.exe	InstallUtil.exe
PID 1696 wrote to memory of 1396	1696	121.exe	InstallUtil.exe
PID 1696 wrote to memory of 1396	1696	121.exe	InstallUtil.exe
PID 1696 wrote to memory of 1396	1696	121.exe	InstallUtil.exe
PID 1696 wrote to memory of 1396	1696	121.exe	InstallUtil.exe
PID 1696 wrote to memory of 1396	1696	121.exe	InstallUtil.exe
PID 1696 wrote to memory of 1396	1696	121.exe	InstallUtil.exe
PID 1696 wrote to memory of 1396	1696	121.exe	InstallUtil.exe
PID 1696 wrote to memory of 1396	1696	121.exe	InstallUtil.exe
PID 1396 wrote to memory of 964	1396	InstallUtil.exe	InstallUtil.exe
PID 1396 wrote to memory of 964	1396	InstallUtil.exe	InstallUtil.exe
PID 1396 wrote to memory of 964	1396	InstallUtil.exe	InstallUtil.exe
PID 1396 wrote to memory of 964	1396	InstallUtil.exe	InstallUtil.exe
PID 1396 wrote to memory of 964	1396	InstallUtil.exe	InstallUtil.exe
PID 1396 wrote to memory of 964	1396	InstallUtil.exe	InstallUtil.exe
PID 1396 wrote to memory of 964	1396	InstallUtil.exe	InstallUtil.exe
PID 1396 wrote to memory of 964	1396	InstallUtil.exe	InstallUtil.exe
PID 1396 wrote to memory of 964	1396	InstallUtil.exe	InstallUtil.exe
PID 1396 wrote to memory of 964	1396	InstallUtil.exe	InstallUtil.exe
PID 1396 wrote to memory of 964	1396	InstallUtil.exe	InstallUtil.exe
PID 1396 wrote to memory of 964	1396	InstallUtil.exe	InstallUtil.exe
PID 964 wrote to memory of 1912	964	InstallUtil.exe	InstallUtil.exe
PID 964 wrote to memory of 1912	964	InstallUtil.exe	InstallUtil.exe
PID 964 wrote to memory of 1912	964	InstallUtil.exe	InstallUtil.exe
PID 964 wrote to memory of 1912	964	InstallUtil.exe	InstallUtil.exe
PID 964 wrote to memory of 1912	964	InstallUtil.exe	InstallUtil.exe
PID 964 wrote to memory of 1912	964	InstallUtil.exe	InstallUtil.exe
PID 964 wrote to memory of 1912	964	InstallUtil.exe	InstallUtil.exe
PID 964 wrote to memory of 1912	964	InstallUtil.exe	InstallUtil.exe
PID 964 wrote to memory of 1912	964	InstallUtil.exe	InstallUtil.exe
PID 964 wrote to memory of 1912	964	InstallUtil.exe	InstallUtil.exe
PID 964 wrote to memory of 1912	964	InstallUtil.exe	InstallUtil.exe
PID 964 wrote to memory of 1912	964	InstallUtil.exe	InstallUtil.exe
PID 1912 wrote to memory of 1776	1912	InstallUtil.exe	cmd.exe
PID 1912 wrote to memory of 1776	1912	InstallUtil.exe	cmd.exe
PID 1912 wrote to memory of 1776	1912	InstallUtil.exe	cmd.exe
PID 1912 wrote to memory of 1776	1912	InstallUtil.exe	cmd.exe
PID 1776 wrote to memory of 1064	1776	cmd.exe	reg.exe
PID 1776 wrote to memory of 1064	1776	cmd.exe	reg.exe
PID 1776 wrote to memory of 1064	1776	cmd.exe	reg.exe
PID 1776 wrote to memory of 1064	1776	cmd.exe	reg.exe
PID 1912 wrote to memory of 1480	1912	InstallUtil.exe	file.exe
PID 1912 wrote to memory of 1480	1912	InstallUtil.exe	file.exe
PID 1912 wrote to memory of 1480	1912	InstallUtil.exe	file.exe
PID 1912 wrote to memory of 1480	1912	InstallUtil.exe	file.exe
PID 1912 wrote to memory of 1480	1912	InstallUtil.exe	file.exe
PID 1912 wrote to memory of 1480	1912	InstallUtil.exe	file.exe
PID 1912 wrote to memory of 1480	1912	InstallUtil.exe	file.exe

C:\Users\Admin\AppData\Local\Temp\121.exe
"C:\Users\Admin\AppData\Local\Temp\121.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1696

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1396

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:964

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
4⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1912

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /c REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "file" /t REG_SZ /d "C:\Users\Admin\Documents\file.exe"
5⤵
- Suspicious use of WriteProcessMemory
PID:1776

C:\Windows\SysWOW64\reg.exe
REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "file" /t REG_SZ /d "C:\Users\Admin\Documents\file.exe"
6⤵
- Adds Run key to start application
PID:1064

C:\Users\Admin\Documents\file.exe
"C:\Users\Admin\Documents\file.exe"
5⤵
- Executes dropped EXE
PID:1480

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\Documents\file.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\Documents\file.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
\Users\Admin\AppData\Local\Temp\InstallUtil.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
\Users\Admin\AppData\Local\Temp\InstallUtil.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
\Users\Admin\AppData\Local\Temp\InstallUtil.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
\Users\Admin\Documents\file.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
memory/964-30-0x0000000000130000-0x0000000000132000-memory.dmp

Filesize
8KB

Download
memory/964-27-0x0000000000130000-0x0000000000218000-memory.dmp

Filesize
928KB

Download
memory/964-29-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/964-28-0x0000000000130000-0x0000000000218000-memory.dmp

Filesize
928KB

Download
memory/964-25-0x00000000004E2CAE-mapping.dmp

Download
memory/1064-48-0x0000000000000000-mapping.dmp

Download
memory/1396-13-0x0000000000400000-0x00000000005EA000-memory.dmp

Filesize
1.9MB

Download
memory/1396-16-0x0000000074D20000-0x000000007540E000-memory.dmp

Filesize
6.9MB

Download
memory/1396-14-0x0000000000400000-0x00000000005EA000-memory.dmp

Filesize
1.9MB

Download
memory/1396-11-0x00000000005E59CE-mapping.dmp

Download
memory/1396-10-0x0000000000400000-0x00000000005EA000-memory.dmp

Filesize
1.9MB

Download
memory/1480-54-0x0000000000920000-0x0000000000921000-memory.dmp

Filesize
4KB

Download
memory/1480-53-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/1480-50-0x0000000000000000-mapping.dmp

Download
memory/1696-7-0x0000000000610000-0x000000000061B000-memory.dmp

Filesize
44KB

Download
memory/1696-6-0x0000000000430000-0x0000000000431000-memory.dmp

Filesize
4KB

Download
memory/1696-8-0x0000000000A20000-0x0000000000A21000-memory.dmp

Filesize
4KB

Download
memory/1696-5-0x00000000003C0000-0x00000000003DE000-memory.dmp

Filesize
120KB

Download
memory/1696-3-0x0000000001300000-0x0000000001301000-memory.dmp

Filesize
4KB

Download
memory/1696-2-0x0000000074D20000-0x000000007540E000-memory.dmp

Filesize
6.9MB

Download
memory/1776-47-0x0000000000000000-mapping.dmp

Download
memory/1912-40-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1912-41-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1912-42-0x0000000074D20000-0x000000007540E000-memory.dmp

Filesize
6.9MB

Download
memory/1912-38-0x000000000045C4DE-mapping.dmp

Download
memory/1912-37-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads