253de5ce4ec0b9c4471ac031acd17fa8e279193f452a097b4818a8df7f58fc9e

Analysis

max time kernel
141s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
19/04/2024, 19:42

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General

Target

253de5ce4ec0b9c4471ac031acd17fa8e279193f452a097b4818a8df7f58fc9e.exe
Size

91KB
MD5

f5bf89f714066315c12c4a6fff2be968
SHA1

eef79b63bbab048fb1450ef19997bdb016709861
SHA256

253de5ce4ec0b9c4471ac031acd17fa8e279193f452a097b4818a8df7f58fc9e
SHA512

4a0ed0d89cc78c9509c08f9a4a9d1d889d805165903e1107b956297ffd2f7f3739a0bcb1a2a1b87b14bc4669833571656416d49fe9dc9699eb74fb4aa5e24d15
SSDEEP

1536:MDcfLfIb5Ep1uzgyXVdtnqHNWnnn6maaaBrrrcUSSSML:MD2LTnuzgyXVd1meaaaJ

Score

9^/10

evasion

Malware Config

Signatures

Detects Windows executables referencing non-Windows User-Agents 1 IoCs

resource	yara_rule
behavioral2/files/0x001c00000001e97e-2.dat	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

Sets file to hidden 1 TTPs 1 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

pid	Process
3216	attrib.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\Control Panel\International\Geo\Nation	253de5ce4ec0b9c4471ac031acd17fa8e279193f452a097b4818a8df7f58fc9e.exe

Executes dropped EXE 1 IoCs

pid	Process
2908	dauhost.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\Debug\dauhost.exe	253de5ce4ec0b9c4471ac031acd17fa8e279193f452a097b4818a8df7f58fc9e.exe
File opened for modification	C:\Windows\Debug\dauhost.exe	253de5ce4ec0b9c4471ac031acd17fa8e279193f452a097b4818a8df7f58fc9e.exe
File opened for modification	C:\Windows\Debug\dauhost.exe	attrib.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	dauhost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dauhost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1044	253de5ce4ec0b9c4471ac031acd17fa8e279193f452a097b4818a8df7f58fc9e.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1044 wrote to memory of 3216	1044	253de5ce4ec0b9c4471ac031acd17fa8e279193f452a097b4818a8df7f58fc9e.exe	84
PID 1044 wrote to memory of 3216	1044	253de5ce4ec0b9c4471ac031acd17fa8e279193f452a097b4818a8df7f58fc9e.exe	84
PID 1044 wrote to memory of 3216	1044	253de5ce4ec0b9c4471ac031acd17fa8e279193f452a097b4818a8df7f58fc9e.exe	84
PID 1044 wrote to memory of 1528	1044	253de5ce4ec0b9c4471ac031acd17fa8e279193f452a097b4818a8df7f58fc9e.exe	90
PID 1044 wrote to memory of 1528	1044	253de5ce4ec0b9c4471ac031acd17fa8e279193f452a097b4818a8df7f58fc9e.exe	90
PID 1044 wrote to memory of 1528	1044	253de5ce4ec0b9c4471ac031acd17fa8e279193f452a097b4818a8df7f58fc9e.exe	90

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
3216	attrib.exe

C:\Users\Admin\AppData\Local\Temp\253de5ce4ec0b9c4471ac031acd17fa8e279193f452a097b4818a8df7f58fc9e.exe
"C:\Users\Admin\AppData\Local\Temp\253de5ce4ec0b9c4471ac031acd17fa8e279193f452a097b4818a8df7f58fc9e.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1044
- C:\Windows\SysWOW64\attrib.exe
  attrib +a +s +h +r C:\Windows\Debug\dauhost.exe
  2⤵
  - Sets file to hidden
  - Drops file in Windows directory
  - Views/modifies file attributes
  PID:3216
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\253DE5~1.EXE > nul
  2⤵
  PID:1528

C:\Windows\Debug\dauhost.exe
C:\Windows\Debug\dauhost.exe
1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:2908

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\debug\dauhost.exe

Filesize
91KB

MD5
7dcdb7ebb80b66f27a7b1595e6cf3722

SHA1
8dd63136b93d710d9014f71e680deb05a4188dd7

SHA256
5c98f727021343fac76c057f0d819280eabe1e2c5e0a85c5da98c80d34420cfc

SHA512
b31be47c62d9c02a7cf6da774fc8d2737447edf11e0d33357b55cba6454042e0389f3c12e61af41fa60809640eb0b0e3bc0087c266619e34de66d776ff07113c

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads