e3ed9ecec6769ab3d69b37f8b7f95e0ae67c02d8fb97ca041423023fd0fb4add

Analysis

max time kernel
145s
max time network
152s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
25-11-2022 06:57

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General

Target

3628c057a4cc96c7415df4dd6cb31b59.exe
Size

403KB
MD5

3628c057a4cc96c7415df4dd6cb31b59
SHA1

cca8659c2f66df451aaf300035d3c67f425fdaea
SHA256

e3ed9ecec6769ab3d69b37f8b7f95e0ae67c02d8fb97ca041423023fd0fb4add
SHA512

111fcf349d9ee22f2d77b48182964cb8c0615f0ab00d17addefc84a7caeb2569168b22b6dbebf12dcf503c8a9b7bec7ef4decc3d4fae7317448cb5f0f00b4b5f
SSDEEP

6144:lw0pDStj6LZ+HHHhnnKsqNySq73cvXOwDEvmQnUO6M0KyfIzopVWCp4QJeARuddo:l7Voj8vqzbvqKnc8se2kBPW

Score

8^/10

persistence vmprotect

Malware Config

Signatures

Downloads MZ/PE file
Executes dropped EXE 3 IoCs

Processes:

1.exeexplorer.exe38E1BLMM2J4E94L.exe

pid process

1152 1.exe
796 explorer.exe
1328 38E1BLMM2J4E94L.exe

pid	process
1152	1.exe
796	explorer.exe
1328	38E1BLMM2J4E94L.exe

VMProtect packed file 8 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

Processes:

resource	yara_rule
\Users\Admin\AppData\Roaming\explorer\explorer.exe	vmprotect
C:\Users\Admin\AppData\Roaming\explorer\explorer.exe	vmprotect
C:\Users\Admin\AppData\Roaming\explorer\explorer.exe	vmprotect
behavioral1/memory/796-66-0x000000013FB30000-0x00000001403C5000-memory.dmp	vmprotect
behavioral1/memory/796-68-0x000000013FB30000-0x00000001403C5000-memory.dmp	vmprotect
\Users\Admin\AppData\Roaming\explorer\explorer.exe	vmprotect
\Users\Admin\AppData\Roaming\explorer\explorer.exe	vmprotect
\Users\Admin\AppData\Roaming\explorer\explorer.exe	vmprotect

Loads dropped DLL 7 IoCs

Processes:

3628c057a4cc96c7415df4dd6cb31b59.execmd.exeWerFault.exe1.exe

pid	process
1756	3628c057a4cc96c7415df4dd6cb31b59.exe
1756	3628c057a4cc96c7415df4dd6cb31b59.exe
916	cmd.exe
1624	WerFault.exe
1624	WerFault.exe
1624	WerFault.exe
1152	1.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\explorer = "C:\\Users\\Admin\\AppData\\Roaming\\explorer\\explorer.exe"	1.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run	1.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1624 796 WerFault.exe explorer.exe

pid	pid_target	process	target process
1624	796	WerFault.exe	explorer.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

38E1BLMM2J4E94L.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main	38E1BLMM2J4E94L.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

explorer.exe

pid process

796 explorer.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

3628c057a4cc96c7415df4dd6cb31b59.exe

description pid process

Token: SeDebugPrivilege 1756 3628c057a4cc96c7415df4dd6cb31b59.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

38E1BLMM2J4E94L.exe

pid process

1328 38E1BLMM2J4E94L.exe
1328 38E1BLMM2J4E94L.exe

pid	process
796	explorer.exe

description	pid	process
Token: SeDebugPrivilege	1756	3628c057a4cc96c7415df4dd6cb31b59.exe

pid	process
1328	38E1BLMM2J4E94L.exe
1328	38E1BLMM2J4E94L.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

3628c057a4cc96c7415df4dd6cb31b59.exe1.execmd.exeexplorer.exe

description	pid	process	target process
PID 1756 wrote to memory of 1152	1756	3628c057a4cc96c7415df4dd6cb31b59.exe	1.exe
PID 1756 wrote to memory of 1152	1756	3628c057a4cc96c7415df4dd6cb31b59.exe	1.exe
PID 1756 wrote to memory of 1152	1756	3628c057a4cc96c7415df4dd6cb31b59.exe	1.exe
PID 1756 wrote to memory of 1152	1756	3628c057a4cc96c7415df4dd6cb31b59.exe	1.exe
PID 1152 wrote to memory of 916	1152	1.exe	cmd.exe
PID 1152 wrote to memory of 916	1152	1.exe	cmd.exe
PID 1152 wrote to memory of 916	1152	1.exe	cmd.exe
PID 1152 wrote to memory of 916	1152	1.exe	cmd.exe
PID 916 wrote to memory of 796	916	cmd.exe	explorer.exe
PID 916 wrote to memory of 796	916	cmd.exe	explorer.exe
PID 916 wrote to memory of 796	916	cmd.exe	explorer.exe
PID 916 wrote to memory of 796	916	cmd.exe	explorer.exe
PID 796 wrote to memory of 1624	796	explorer.exe	WerFault.exe
PID 796 wrote to memory of 1624	796	explorer.exe	WerFault.exe
PID 796 wrote to memory of 1624	796	explorer.exe	WerFault.exe
PID 1152 wrote to memory of 1328	1152	1.exe	38E1BLMM2J4E94L.exe
PID 1152 wrote to memory of 1328	1152	1.exe	38E1BLMM2J4E94L.exe
PID 1152 wrote to memory of 1328	1152	1.exe	38E1BLMM2J4E94L.exe
PID 1152 wrote to memory of 1328	1152	1.exe	38E1BLMM2J4E94L.exe

C:\Users\Admin\AppData\Local\Temp\3628c057a4cc96c7415df4dd6cb31b59.exe
"C:\Users\Admin\AppData\Local\Temp\3628c057a4cc96c7415df4dd6cb31b59.exe"
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1756

C:\Windows\Temp\1.exe
"C:\Windows\Temp\1.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1152

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c start C:\Users\Admin\AppData\Roaming\explorer\explorer.exe
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:916

C:\Users\Admin\AppData\Roaming\explorer\explorer.exe
C:\Users\Admin\AppData\Roaming\explorer\explorer.exe
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:796

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 796 -s 56
5⤵
- Loads dropped DLL
- Program crash
PID:1624

C:\Users\Admin\AppData\Local\Temp\38E1BLMM2J4E94L.exe
<!DOCTYPE html> <html style="height:100%"> <head> <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no" /> <title> 404 Not Found </title></head> <body style="color: #444; margin:0;font: normal 14px/20px Arial, Helvetica, sans-serif; height:100%; background-color: #fff;"> <div style="height:auto; min-height:100%; "> <div style="text-align: center; width:800px; margin-left: -400px; position:absolute; top: 30%; left:50%;"> <h1 style="margin:0; font-size:150px; line-height:150px; font-weight:bold;">404</h1> <h2 style="margin-top:20px;font-size: 30px;">Not Found </h2> <p>The resource requested could not be found on this server!</p> </div></div></body></html>
3⤵
- Executes dropped EXE
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1328

Network

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

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\38E1BLMM2J4E94L.exe
Filesize
8KB

MD5
8719ce641e7c777ac1b0eaec7b5fa7c7

SHA1
c04de52cb511480cc7d00d67f1d9e17b02d6406b

SHA256
6283ac6ecbf4c4038cf44896dd221c7c11152bac77273709330409032c3e72ea

SHA512
7be5bd6d2342dd02818f1979e7e74a6376658711ac82a59b2af1a67207cfd3c7416b657af01216473b15132e4aa5c6675f0eb8ee6343192c7dfc4a5249ccaa97

Download Submit
C:\Users\Admin\AppData\Local\Temp\38E1BLMM2J4E94L.exe
Filesize
8KB

MD5
8719ce641e7c777ac1b0eaec7b5fa7c7

SHA1
c04de52cb511480cc7d00d67f1d9e17b02d6406b

SHA256
6283ac6ecbf4c4038cf44896dd221c7c11152bac77273709330409032c3e72ea

SHA512
7be5bd6d2342dd02818f1979e7e74a6376658711ac82a59b2af1a67207cfd3c7416b657af01216473b15132e4aa5c6675f0eb8ee6343192c7dfc4a5249ccaa97

Download Submit
C:\Users\Admin\AppData\Roaming\explorer\explorer.exe
Filesize
5.2MB

MD5
dee1568dc4d523e4aff5c7563b26887c

SHA1
565a8f3d02746fb203c5a7e2777211bf33cf656b

SHA256
f7cbf79fce9ca7d06745604a44c6b2541af476cdd8f5853bf1dbf23213eb3d2b

SHA512
0e593e23f5cfbf3bf0cc07373bb013911e9c2068cfad8e666c69173afbe29d06a0635dc32dfa6baca153db2e1de25772cccbc5f63d49d19bc4d18b93f7c97ab2

Download Submit
C:\Users\Admin\AppData\Roaming\explorer\explorer.exe
Filesize
5.2MB

MD5
dee1568dc4d523e4aff5c7563b26887c

SHA1
565a8f3d02746fb203c5a7e2777211bf33cf656b

SHA256
f7cbf79fce9ca7d06745604a44c6b2541af476cdd8f5853bf1dbf23213eb3d2b

SHA512
0e593e23f5cfbf3bf0cc07373bb013911e9c2068cfad8e666c69173afbe29d06a0635dc32dfa6baca153db2e1de25772cccbc5f63d49d19bc4d18b93f7c97ab2

Download Submit
C:\Windows\Temp\1.exe
Filesize
115KB

MD5
06eca982ae495dafc793309a7abb18fe

SHA1
a53e5c5579f6f2fc69e726567fca4299baeb18f7

SHA256
984b2b5f986a23a40b17f6336d44e194d9c55a5cee69c49a9d18c0c117421dff

SHA512
28bbd604e9f2ab3ac8fc2848a1b288a155c43f4d697d773c666341eca94897771f9d8cd3459e218028acacb23f5e1d0cf6a7392a8d98ac0e5e01019ce800683f

Download Submit
\Users\Admin\AppData\Local\Temp\38E1BLMM2J4E94L.exe
Filesize
8KB

MD5
8719ce641e7c777ac1b0eaec7b5fa7c7

SHA1
c04de52cb511480cc7d00d67f1d9e17b02d6406b

SHA256
6283ac6ecbf4c4038cf44896dd221c7c11152bac77273709330409032c3e72ea

SHA512
7be5bd6d2342dd02818f1979e7e74a6376658711ac82a59b2af1a67207cfd3c7416b657af01216473b15132e4aa5c6675f0eb8ee6343192c7dfc4a5249ccaa97

Download Submit
\Users\Admin\AppData\Roaming\explorer\explorer.exe
Filesize
5.2MB

MD5
dee1568dc4d523e4aff5c7563b26887c

SHA1
565a8f3d02746fb203c5a7e2777211bf33cf656b

SHA256
f7cbf79fce9ca7d06745604a44c6b2541af476cdd8f5853bf1dbf23213eb3d2b

SHA512
0e593e23f5cfbf3bf0cc07373bb013911e9c2068cfad8e666c69173afbe29d06a0635dc32dfa6baca153db2e1de25772cccbc5f63d49d19bc4d18b93f7c97ab2

Download Submit
\Users\Admin\AppData\Roaming\explorer\explorer.exe
Filesize
5.2MB

MD5
dee1568dc4d523e4aff5c7563b26887c

SHA1
565a8f3d02746fb203c5a7e2777211bf33cf656b

SHA256
f7cbf79fce9ca7d06745604a44c6b2541af476cdd8f5853bf1dbf23213eb3d2b

SHA512
0e593e23f5cfbf3bf0cc07373bb013911e9c2068cfad8e666c69173afbe29d06a0635dc32dfa6baca153db2e1de25772cccbc5f63d49d19bc4d18b93f7c97ab2

Download Submit
\Users\Admin\AppData\Roaming\explorer\explorer.exe
Filesize
5.2MB

MD5
dee1568dc4d523e4aff5c7563b26887c

SHA1
565a8f3d02746fb203c5a7e2777211bf33cf656b

SHA256
f7cbf79fce9ca7d06745604a44c6b2541af476cdd8f5853bf1dbf23213eb3d2b

SHA512
0e593e23f5cfbf3bf0cc07373bb013911e9c2068cfad8e666c69173afbe29d06a0635dc32dfa6baca153db2e1de25772cccbc5f63d49d19bc4d18b93f7c97ab2

Download Submit
\Users\Admin\AppData\Roaming\explorer\explorer.exe
Filesize
5.2MB

MD5
dee1568dc4d523e4aff5c7563b26887c

SHA1
565a8f3d02746fb203c5a7e2777211bf33cf656b

SHA256
f7cbf79fce9ca7d06745604a44c6b2541af476cdd8f5853bf1dbf23213eb3d2b

SHA512
0e593e23f5cfbf3bf0cc07373bb013911e9c2068cfad8e666c69173afbe29d06a0635dc32dfa6baca153db2e1de25772cccbc5f63d49d19bc4d18b93f7c97ab2

Download Submit
\Windows\Temp\1.exe
Filesize
115KB

MD5
06eca982ae495dafc793309a7abb18fe

SHA1
a53e5c5579f6f2fc69e726567fca4299baeb18f7

SHA256
984b2b5f986a23a40b17f6336d44e194d9c55a5cee69c49a9d18c0c117421dff

SHA512
28bbd604e9f2ab3ac8fc2848a1b288a155c43f4d697d773c666341eca94897771f9d8cd3459e218028acacb23f5e1d0cf6a7392a8d98ac0e5e01019ce800683f

Download Submit
\Windows\Temp\1.exe
Filesize
115KB

MD5
06eca982ae495dafc793309a7abb18fe

SHA1
a53e5c5579f6f2fc69e726567fca4299baeb18f7

SHA256
984b2b5f986a23a40b17f6336d44e194d9c55a5cee69c49a9d18c0c117421dff

SHA512
28bbd604e9f2ab3ac8fc2848a1b288a155c43f4d697d773c666341eca94897771f9d8cd3459e218028acacb23f5e1d0cf6a7392a8d98ac0e5e01019ce800683f

Download Submit
memory/796-68-0x000000013FB30000-0x00000001403C5000-memory.dmp

Filesize
8.6MB

Download
memory/796-66-0x000000013FB30000-0x00000001403C5000-memory.dmp

Filesize
8.6MB

Download
memory/796-63-0x0000000000000000-mapping.dmp

Download
memory/916-61-0x0000000000000000-mapping.dmp

Download
memory/1152-59-0x0000000000000000-mapping.dmp

Download
memory/1328-73-0x0000000000000000-mapping.dmp

Download
memory/1328-76-0x000000013F410000-0x000000013F416000-memory.dmp

Filesize
24KB

Download
memory/1328-77-0x000007FEFB8E1000-0x000007FEFB8E3000-memory.dmp

Filesize
8KB

Download
memory/1328-78-0x0000000000939000-0x0000000000958000-memory.dmp

Filesize
124KB

Download
memory/1624-67-0x0000000000000000-mapping.dmp

Download
memory/1756-54-0x00000000001B0000-0x000000000021A000-memory.dmp

Filesize
424KB

Download
memory/1756-56-0x00000000003F0000-0x0000000000414000-memory.dmp

Filesize
144KB

Download
memory/1756-55-0x0000000075291000-0x0000000075293000-memory.dmp

Filesize
8KB

Download