91e58838bd3cb708353455932077327ae4b05f1bb3e967bd6fa703b8020d4de2

Analysis

max time kernel
117s
max time network
120s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
11/01/2024, 19:30

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General

Target

91e58838bd3cb708353455932077327ae4b05f1bb3e967bd6fa703b8020d4de2.exe
Size

241KB
MD5

366c76cf135edec8f1d16de7ce3246b9
SHA1

89865b66f2cd1dba132360d0dfe7ea82f46bff07
SHA256

91e58838bd3cb708353455932077327ae4b05f1bb3e967bd6fa703b8020d4de2
SHA512

d64db579f2eda7b656bcbccfe3c118bd3367b3de12e0c89a7ede5a36b26cee2f58c27219cf9a1dafda7267e7eda047bd2cdcccd0e9c9e4c3db2767899f41858b
SSDEEP

3072:ZwzvOYR35YP/aKavT/DvbEvKS8I2B+hlsfni3YGByThXKBZkZN4GhQ2eRZh+/bJs:K3iP/aK2hS8/B+rwNBV+UdvrEFp7hK6F

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 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000a00000001225a-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2384	91e58838bd3cb708353455932077327ae4b05f1bb3e967bd6fa703b8020d4de2.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000a00000001225a-1.dat	upx
behavioral1/memory/2384-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2384-6-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	91e58838bd3cb708353455932077327ae4b05f1bb3e967bd6fa703b8020d4de2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2384	91e58838bd3cb708353455932077327ae4b05f1bb3e967bd6fa703b8020d4de2.exe

C:\Users\Admin\AppData\Local\Temp\91e58838bd3cb708353455932077327ae4b05f1bb3e967bd6fa703b8020d4de2.exe
"C:\Users\Admin\AppData\Local\Temp\91e58838bd3cb708353455932077327ae4b05f1bb3e967bd6fa703b8020d4de2.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
PID:2384

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/2384-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2384-6-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2384-5-0x00000000008E0000-0x0000000000909000-memory.dmp

Filesize
164KB

Download