86e8499e566afebf6a44a0c3428510e58c51d7eb8395e146b11cb555e99a4058

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 13:05

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General

Target

3737b56d4596f1c37355af7fbe660b08.exe
Size

28KB
MD5

3737b56d4596f1c37355af7fbe660b08
SHA1

9aaffc8c47034928102d0807b8ea527eada3ada8
SHA256

86e8499e566afebf6a44a0c3428510e58c51d7eb8395e146b11cb555e99a4058
SHA512

bb3ecdf72775e18d59f5ee73abc2cc532f8fc7c4728e960e7066e1f32e138c0bf5c06ffe5862e650bdb40a37a6bef39066f3cff647770e73c9493e04a0b41f25
SSDEEP

768:uBQuvdXSJDPBz9+wglKpw3pXAOIih+b3Oy4i6k/ROfIF:uWwxSRPBz4BKK1AOeb3b/R6IF

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-1-5-21-768304381-2824894965-3840216961-1000\Control Panel\International\Geo\Nation	3737b56d4596f1c37355af7fbe660b08.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3508-0-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3508-3-0x0000000000400000-0x0000000000414000-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 3508 wrote to memory of 3236	3508	3737b56d4596f1c37355af7fbe660b08.exe	92
PID 3508 wrote to memory of 3236	3508	3737b56d4596f1c37355af7fbe660b08.exe	92
PID 3508 wrote to memory of 3236	3508	3737b56d4596f1c37355af7fbe660b08.exe	92

C:\Users\Admin\AppData\Local\Temp\3737b56d4596f1c37355af7fbe660b08.exe
"C:\Users\Admin\AppData\Local\Temp\3737b56d4596f1c37355af7fbe660b08.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3508
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /q /c "C:\Users\Admin\AppData\Local\Temp\a..bat" > nul 2> nul
  2⤵
  PID:3236

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\a..bat

Filesize
210B

MD5
99ad9f70adb72bdf009eca5d1c0c1206

SHA1
03ae92cbc10e68cb367f267eefa35ccf82aba209

SHA256
6ec6be1cbc1a57616be9190b576f0b50f73ac98c6c28f2da1cab134d5ae65c0d

SHA512
04ff3c1ffde0436f4c969f673b07846f6ce01d248e26b9afcc1d9d4900c78412ebbc2138f42dfb845eba5dbbd99fc26bf644c8b82064a057ef77ed36aefb7e65

Download Submit
memory/3508-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3508-1-0x00000000009C0000-0x00000000009C1000-memory.dmp

Filesize
4KB

Download
memory/3508-3-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download