d544b28cf4dcef3b948cea68a295bdf5dfbf6a4ca5beb6f29301f7dfbb107f9c

Analysis

max time kernel
91s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2024, 15:38

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General

Target

d544b28cf4dcef3b948cea68a295bdf5dfbf6a4ca5beb6f29301f7dfbb107f9c.exe
Size

234KB
MD5

cb82700eb090b9c4eb9765717ee2be8f
SHA1

fa15217978c1d552a3facfd64515bfa3fb0425e2
SHA256

d544b28cf4dcef3b948cea68a295bdf5dfbf6a4ca5beb6f29301f7dfbb107f9c
SHA512

5814663a5a197a63953e95683681c64d4378d36c41d8e44ddf06422d4e0430eb9f15830fdbbdb4b310f06585548f2d1bb226eda89bfd14e9ebb40cf6793fb433
SSDEEP

3072:swzvOYwD5YP/aKavT/Dvb99bNI2B+el0LTGzkWJWXVfShNgpNcOJkeaNd1KP7ZKf:CDiP/aK2hz/B+XmBV+UdvrEFp7hKp

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
behavioral2/files/0x0009000000022480-1.dat	acprotect

Loads dropped DLL 5 IoCs

pid	Process
1948	d544b28cf4dcef3b948cea68a295bdf5dfbf6a4ca5beb6f29301f7dfbb107f9c.exe
3100	WerFault.exe
808	WerFault.exe
4844	WerFault.exe
3612	WerFault.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0009000000022480-1.dat	upx
behavioral2/memory/1948-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1948-15-0x0000000010000000-0x0000000010030000-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:	d544b28cf4dcef3b948cea68a295bdf5dfbf6a4ca5beb6f29301f7dfbb107f9c.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	d544b28cf4dcef3b948cea68a295bdf5dfbf6a4ca5beb6f29301f7dfbb107f9c.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
808	1948	WerFault.exe	85
3612	1948	WerFault.exe	85

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1948	d544b28cf4dcef3b948cea68a295bdf5dfbf6a4ca5beb6f29301f7dfbb107f9c.exe
1948	d544b28cf4dcef3b948cea68a295bdf5dfbf6a4ca5beb6f29301f7dfbb107f9c.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1948	d544b28cf4dcef3b948cea68a295bdf5dfbf6a4ca5beb6f29301f7dfbb107f9c.exe

C:\Users\Admin\AppData\Local\Temp\d544b28cf4dcef3b948cea68a295bdf5dfbf6a4ca5beb6f29301f7dfbb107f9c.exe
"C:\Users\Admin\AppData\Local\Temp\d544b28cf4dcef3b948cea68a295bdf5dfbf6a4ca5beb6f29301f7dfbb107f9c.exe"
1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1948
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1948 -s 384
  2⤵
  - Loads dropped DLL
  - Program crash
  PID:808
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1948 -s 392
  2⤵
  - Loads dropped DLL
  - Program crash
  PID:3612

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 1948 -ip 1948
1⤵
- Loads dropped DLL
PID:3100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1948 -ip 1948
1⤵
- Loads dropped DLL
PID:4844

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
memory/1948-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1948-4-0x0000000000B70000-0x0000000000B99000-memory.dmp

Filesize
164KB

Download
memory/1948-15-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download