ae637a78666421bd8d3143b73a27fc0c40fd43e7fdfe86f5b3d8f4a71d6bb2cb

Analysis

max time kernel
141s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
08/01/2024, 15:58

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

ae637a78666421bd8d3143b73a27fc0c40fd43e7fdfe86f5b3d8f4a71d6bb2cb.exe
Size

830KB
MD5

f63b3eb5df1a2ef2235a06df79e931eb
SHA1

0cec64f19ee39386b2ef8c218a479537b2b837c9
SHA256

ae637a78666421bd8d3143b73a27fc0c40fd43e7fdfe86f5b3d8f4a71d6bb2cb
SHA512

d11fb31eaa6c6dfb774fafd6d75172a7f1c11733e42862ab65807da3a9cfec99b5551078f4ed1ba5a8d81f7bc805f950ac61f3e66c0bcd9df5553038bab8c15e
SSDEEP

12288:ZEmC92VnpahSR7BwkASR49lkQHMIWnDp2f47z4PUUhyVb4yDKUgM03qcmT1Pd2Kc:ZEF96C6BwkP2lsl8fEQemdM03zmT1PO

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-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation	ae637a78666421bd8d3143b73a27fc0c40fd43e7fdfe86f5b3d8f4a71d6bb2cb.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4660-0-0x0000000000B40000-0x0000000000C7C000-memory.dmp	upx
behavioral2/memory/4660-25-0x0000000000B40000-0x0000000000C7C000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\WindowsShell3136138.log	ae637a78666421bd8d3143b73a27fc0c40fd43e7fdfe86f5b3d8f4a71d6bb2cb.exe
File opened for modification	C:\Windows\WindowSystemNewUpdate35.log	RmClient.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	4660	ae637a78666421bd8d3143b73a27fc0c40fd43e7fdfe86f5b3d8f4a71d6bb2cb.exe
Token: SeDebugPrivilege	2632	RmClient.exe
Token: SeIncBasePriorityPrivilege	4660	ae637a78666421bd8d3143b73a27fc0c40fd43e7fdfe86f5b3d8f4a71d6bb2cb.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4660 wrote to memory of 2632	4660	ae637a78666421bd8d3143b73a27fc0c40fd43e7fdfe86f5b3d8f4a71d6bb2cb.exe	88
PID 4660 wrote to memory of 2632	4660	ae637a78666421bd8d3143b73a27fc0c40fd43e7fdfe86f5b3d8f4a71d6bb2cb.exe	88
PID 4660 wrote to memory of 2632	4660	ae637a78666421bd8d3143b73a27fc0c40fd43e7fdfe86f5b3d8f4a71d6bb2cb.exe	88
PID 4660 wrote to memory of 2632	4660	ae637a78666421bd8d3143b73a27fc0c40fd43e7fdfe86f5b3d8f4a71d6bb2cb.exe	88
PID 4660 wrote to memory of 2632	4660	ae637a78666421bd8d3143b73a27fc0c40fd43e7fdfe86f5b3d8f4a71d6bb2cb.exe	88
PID 4660 wrote to memory of 2632	4660	ae637a78666421bd8d3143b73a27fc0c40fd43e7fdfe86f5b3d8f4a71d6bb2cb.exe	88
PID 4660 wrote to memory of 4420	4660	ae637a78666421bd8d3143b73a27fc0c40fd43e7fdfe86f5b3d8f4a71d6bb2cb.exe	97
PID 4660 wrote to memory of 4420	4660	ae637a78666421bd8d3143b73a27fc0c40fd43e7fdfe86f5b3d8f4a71d6bb2cb.exe	97
PID 4660 wrote to memory of 4420	4660	ae637a78666421bd8d3143b73a27fc0c40fd43e7fdfe86f5b3d8f4a71d6bb2cb.exe	97

C:\Users\Admin\AppData\Local\Temp\ae637a78666421bd8d3143b73a27fc0c40fd43e7fdfe86f5b3d8f4a71d6bb2cb.exe
"C:\Users\Admin\AppData\Local\Temp\ae637a78666421bd8d3143b73a27fc0c40fd43e7fdfe86f5b3d8f4a71d6bb2cb.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4660
- C:\Windows\SysWOW64\RmClient.exe
  "C:\Windows\SysWOW64\RmClient.exe"
  2⤵
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  PID:2632
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\AE637A~1.EXE > nul
  2⤵
  PID:4420

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

Loading Replay Monitor...

Downloads

memory/2632-20-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/2632-5-0x00000000009D0000-0x00000000009EB000-memory.dmp

Filesize
108KB

Download
memory/2632-7-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/2632-6-0x00000000009D0000-0x00000000009EB000-memory.dmp

Filesize
108KB

Download
memory/2632-3-0x00000000009D0000-0x00000000009EB000-memory.dmp

Filesize
108KB

Download
memory/2632-16-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/2632-21-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/2632-18-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/2632-2-0x0000000000C00000-0x0000000000D0D000-memory.dmp

Filesize
1.1MB

Download
memory/2632-27-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/2632-30-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/4660-0-0x0000000000B40000-0x0000000000C7C000-memory.dmp

Filesize
1.2MB

Download
memory/4660-25-0x0000000000B40000-0x0000000000C7C000-memory.dmp

Filesize
1.2MB

Download