b5278d908a88821d5b6da16e7a2e948f92cfc64a276780b8a33b73ac80b166a6

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
03/07/2024, 02:55

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General

Target

a269b2e6baa1aa2d07c66b55409fa24f.exe
Size

37KB
MD5

a269b2e6baa1aa2d07c66b55409fa24f
SHA1

8d6b1dce0263568302b53b826bf7095e408f2467
SHA256

b5278d908a88821d5b6da16e7a2e948f92cfc64a276780b8a33b73ac80b166a6
SHA512

269f8307a5c852881104d69679ec579c456dd6e4ad7fcef88399959dd3316a2ed11e4ff2e5a0ff15ca4ce20a9860fbd372970576c374885c83c3ca36c949233f
SSDEEP

768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITf:qDdFJy3QMOtEvwDpjjWMl7Tf

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-1-5-21-200405930-3877336739-3533750831-1000\Control Panel\International\Geo\Nation	a269b2e6baa1aa2d07c66b55409fa24f.exe

Executes dropped EXE 1 IoCs

pid	Process
1520	asih.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1652-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/files/0x000900000002336e-13.dat	upx
behavioral2/memory/1652-19-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/1520-16-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/1520-28-0x0000000000500000-0x0000000000510000-memory.dmp	upx

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1652 wrote to memory of 1520	1652	a269b2e6baa1aa2d07c66b55409fa24f.exe	82
PID 1652 wrote to memory of 1520	1652	a269b2e6baa1aa2d07c66b55409fa24f.exe	82
PID 1652 wrote to memory of 1520	1652	a269b2e6baa1aa2d07c66b55409fa24f.exe	82

C:\Users\Admin\AppData\Local\Temp\a269b2e6baa1aa2d07c66b55409fa24f.exe
"C:\Users\Admin\AppData\Local\Temp\a269b2e6baa1aa2d07c66b55409fa24f.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1652
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:1520

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

C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
37KB

MD5
23e79960b0b424ce56430659da999b8a

SHA1
961d66a515eea9ee22d2e0a09929d403b7b3913c

SHA256
19c7fd641b5e5df3c671672dae946c55ab11ec4bd1219d9602ad486c6689b129

SHA512
c11c8be1ba431af0924ee30941689719ebad2c73a2e1affc68168ca20aa2d2251e23ebae1a2b90be31af3d4c3d3c4f1c9fb96ac9a9e2a8e998a0d104661bd218

Download Submit
memory/1520-16-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/1520-21-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/1520-27-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/1520-28-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/1652-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/1652-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1652-2-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/1652-9-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1652-19-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download