d931d8b0e6d6fc791634ef3e0fe9c51962694fe3d7823b8b4524c3644bb79eaf

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
02/11/2023, 22:12

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General

Target

NEAS.4e95931124d7072dbdf0d644654456c0_JC.exe
Size

132KB
MD5

4e95931124d7072dbdf0d644654456c0
SHA1

29ad1d90bd5c4f5462401330c4e41cff205f9dcd
SHA256

d931d8b0e6d6fc791634ef3e0fe9c51962694fe3d7823b8b4524c3644bb79eaf
SHA512

54ea76d573fc536b8df32f5407f6c324e974d03aa64f094e84468f925ca6a36137f1202710c29b86dc7b4ad516e52cb019c0e12c3b5dcc59b007930e560f6a6a
SSDEEP

3072:oB9KaJJylR9ZoA2lQBV+UdE+rECWp7hKwt8:Wvk9ZLBV+UdvrEFp7hKwW

Score

8^/10

persistence upx

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

ACProtect 1.3x - 1.4x DLL software 2 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000b00000000e620-1.dat	acprotect
behavioral1/files/0x000b00000000e620-7.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2076	NEAS.4e95931124d7072dbdf0d644654456c0_JC.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/files/0x000b00000000e620-1.dat	upx
behavioral1/memory/2076-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/files/0x000b00000000e620-7.dat	upx
behavioral1/memory/2076-11-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\e:	NEAS.4e95931124d7072dbdf0d644654456c0_JC.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	NEAS.4e95931124d7072dbdf0d644654456c0_JC.exe
File created	\??\c:\program files\common files\system\symsrv.dll.000	NEAS.4e95931124d7072dbdf0d644654456c0_JC.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2076	NEAS.4e95931124d7072dbdf0d644654456c0_JC.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2076	NEAS.4e95931124d7072dbdf0d644654456c0_JC.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.4e95931124d7072dbdf0d644654456c0_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.4e95931124d7072dbdf0d644654456c0_JC.exe"
1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2076

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files\Common Files\System\symsrv.dll

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
\Program Files\Common Files\System\symsrv.dll

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/2076-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2076-5-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2076-11-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2076-12-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download