d24e0a848ea3f929fae13e0d290d681e056051729b0ba0982025322e9903f84f

Analysis

max time kernel
139s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11/08/2024, 02:45

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General

Target

d24e0a848ea3f929fae13e0d290d681e056051729b0ba0982025322e9903f84f.exe
Size

61KB
MD5

6fbeafe03ef747bbe22f360c0090c286
SHA1

adfa52ee951a10ba1750017ddfe731e5d4af8a05
SHA256

d24e0a848ea3f929fae13e0d290d681e056051729b0ba0982025322e9903f84f
SHA512

a9fb496f7ac4d262009727b87bdd74360714f03dda1eaa2202c551644b37ca0d6ae393542e960670a12b37f3ee035b52d8bee224f5c9d4cdde2cbf3684f507d2
SSDEEP

768:QYrdpnbcuyD7U1DpBZcSrU0DCTtt92juuo:QYvnouy81D6efDGYC

Score

7^/10

discovery upx

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	d24e0a848ea3f929fae13e0d290d681e056051729b0ba0982025322e9903f84f.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	firefox_updater.exe

Executes dropped EXE 1 IoCs

pid	Process
1900	firefox_updater.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4172-0-0x0000000000500000-0x000000000050E000-memory.dmp	upx
behavioral2/files/0x00080000000234e2-6.dat	upx
behavioral2/memory/4172-10-0x0000000000500000-0x000000000050E000-memory.dmp	upx
behavioral2/memory/1900-11-0x0000000000500000-0x000000000050E000-memory.dmp	upx

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d24e0a848ea3f929fae13e0d290d681e056051729b0ba0982025322e9903f84f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	firefox_updater.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4172 wrote to memory of 1900	4172	d24e0a848ea3f929fae13e0d290d681e056051729b0ba0982025322e9903f84f.exe	86
PID 4172 wrote to memory of 1900	4172	d24e0a848ea3f929fae13e0d290d681e056051729b0ba0982025322e9903f84f.exe	86
PID 4172 wrote to memory of 1900	4172	d24e0a848ea3f929fae13e0d290d681e056051729b0ba0982025322e9903f84f.exe	86

C:\Users\Admin\AppData\Local\Temp\d24e0a848ea3f929fae13e0d290d681e056051729b0ba0982025322e9903f84f.exe
"C:\Users\Admin\AppData\Local\Temp\d24e0a848ea3f929fae13e0d290d681e056051729b0ba0982025322e9903f84f.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4172
- C:\Users\Admin\AppData\Local\Temp\firefox_updater.exe
  "C:\Users\Admin\AppData\Local\Temp\firefox_updater.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1900

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
61KB

MD5
b1b38a4a6c9a911ccc1a529c08dbb14d

SHA1
91c8449430c0f1736caad71362fa8378b39c1b53

SHA256
72ce39a3f13e2f854b74030b656791bc6ac33957cea0a5b25f612ec48827f472

SHA512
cf061f831158b0b8dee4f4b97c78ff68cd6dbbafea94e48f9b3ef2da55293f3f3fce7403379c93a274c913dd0bfec2dbaab42426639d74adba2840172b6a8a77

Download Submit
memory/1900-11-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/4172-0-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/4172-1-0x0000000000501000-0x0000000000502000-memory.dmp

Filesize
4KB

Download
memory/4172-10-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download