27c14e4b8cf65bbf49e9ebcdc7793bafa7b180166bd689f901a44f1735a4bc25

Analysis

max time kernel
147s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
06/01/2024, 13:17

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General

Target

27c14e4b8cf65bbf49e9ebcdc7793bafa7b180166bd689f901a44f1735a4bc25.exe
Size

830KB
MD5

41334ee4092cbfdafcec5ae4500259cc
SHA1

428fe1b747ab282acbf59a53cf307c6e7d24f198
SHA256

27c14e4b8cf65bbf49e9ebcdc7793bafa7b180166bd689f901a44f1735a4bc25
SHA512

2a0ed52c59b4931bcf565a3afee278320f96388dfa61cae7bd53b06fc12d901489551d884dee5cb1bf29177e4e334a59da225e3c0b2e4e60943cc0764adc6235
SSDEEP

12288:ZEmC92VnpahSR7BwkASR49lkQHMIWnDp2f47z4PUUhyVb4yDKUgM03qcmT1Pd2KK:ZEF96C6BwkP2lsl8fEQemdM03zmT1PM

Score

7^/10

upx

Malware Config

Signatures

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-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	27c14e4b8cf65bbf49e9ebcdc7793bafa7b180166bd689f901a44f1735a4bc25.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4504-0-0x00000000002C0000-0x00000000003FC000-memory.dmp	upx
behavioral2/memory/4504-26-0x00000000002C0000-0x00000000003FC000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\WindowsShell183254.log	27c14e4b8cf65bbf49e9ebcdc7793bafa7b180166bd689f901a44f1735a4bc25.exe
File opened for modification	C:\Windows\WindowSystemNewUpdate508.log	rdrleakdiag.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4504	27c14e4b8cf65bbf49e9ebcdc7793bafa7b180166bd689f901a44f1735a4bc25.exe
Token: SeDebugPrivilege	5092	rdrleakdiag.exe
Token: SeIncBasePriorityPrivilege	4504	27c14e4b8cf65bbf49e9ebcdc7793bafa7b180166bd689f901a44f1735a4bc25.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4504 wrote to memory of 5092	4504	27c14e4b8cf65bbf49e9ebcdc7793bafa7b180166bd689f901a44f1735a4bc25.exe	91
PID 4504 wrote to memory of 5092	4504	27c14e4b8cf65bbf49e9ebcdc7793bafa7b180166bd689f901a44f1735a4bc25.exe	91
PID 4504 wrote to memory of 5092	4504	27c14e4b8cf65bbf49e9ebcdc7793bafa7b180166bd689f901a44f1735a4bc25.exe	91
PID 4504 wrote to memory of 5092	4504	27c14e4b8cf65bbf49e9ebcdc7793bafa7b180166bd689f901a44f1735a4bc25.exe	91
PID 4504 wrote to memory of 5092	4504	27c14e4b8cf65bbf49e9ebcdc7793bafa7b180166bd689f901a44f1735a4bc25.exe	91
PID 4504 wrote to memory of 5092	4504	27c14e4b8cf65bbf49e9ebcdc7793bafa7b180166bd689f901a44f1735a4bc25.exe	91
PID 4504 wrote to memory of 3412	4504	27c14e4b8cf65bbf49e9ebcdc7793bafa7b180166bd689f901a44f1735a4bc25.exe	93
PID 4504 wrote to memory of 3412	4504	27c14e4b8cf65bbf49e9ebcdc7793bafa7b180166bd689f901a44f1735a4bc25.exe	93
PID 4504 wrote to memory of 3412	4504	27c14e4b8cf65bbf49e9ebcdc7793bafa7b180166bd689f901a44f1735a4bc25.exe	93

C:\Users\Admin\AppData\Local\Temp\27c14e4b8cf65bbf49e9ebcdc7793bafa7b180166bd689f901a44f1735a4bc25.exe
"C:\Users\Admin\AppData\Local\Temp\27c14e4b8cf65bbf49e9ebcdc7793bafa7b180166bd689f901a44f1735a4bc25.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4504
- C:\Windows\SysWOW64\rdrleakdiag.exe
  "C:\Windows\SysWOW64\rdrleakdiag.exe"
  2⤵
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  PID:5092
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\27C14E~1.EXE > nul
  2⤵
  PID:3412

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4504-0-0x00000000002C0000-0x00000000003FC000-memory.dmp

Filesize
1.2MB

Download
memory/4504-26-0x00000000002C0000-0x00000000003FC000-memory.dmp

Filesize
1.2MB

Download
memory/5092-22-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/5092-6-0x0000000000F60000-0x0000000000F7B000-memory.dmp

Filesize
108KB

Download
memory/5092-3-0x0000000000F60000-0x0000000000F7B000-memory.dmp

Filesize
108KB

Download
memory/5092-20-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/5092-7-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/5092-18-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/5092-15-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/5092-2-0x0000000000C70000-0x0000000000D7D000-memory.dmp

Filesize
1.1MB

Download
memory/5092-5-0x0000000000F60000-0x0000000000F7B000-memory.dmp

Filesize
108KB

Download
memory/5092-29-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/5092-34-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download