71ce77584a9f50979e573385d0a4d07ec4dbb01d8c7afb3caf21d0b985217adc

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
14/06/2024, 00:05

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General

Target
71ce77584a9f50979e573385d0a4d07ec4dbb01d8c7afb3caf21d0b985217adc.exe
Size 36KB
Sample240614-adf71azhpm
SHA256 71ce77584a9f50979e573385d0a4d07ec4dbb01d8c7afb3caf21d0b985217adc
MD5 07602be7df550145aa4974b3302b3228
SHA1 50e6cd7667cd3e558249ed0e02404de68750070e
SHA512 9776227b2ea2c11b15cf636d3cf49ee33b37f8d568c94349c8442b794d44ec800e438f36c75859a31486a47b3aa31a6f11ccb4d24ac4e1c29caa0a3ea33c9ac4
SSDEEP 384:8ymGIDl8anPvH4kyAP3VPmVUj42pOFCyoeTemVz06pRrLXCAlc8cw1A3dGKj:8ymKUPvYePEUj4+OEWxDqn5j
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

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-1-5-21-3665033694-1447845302-680750983-1000\Control Panel\International\Geo\Nation	71ce77584a9f50979e573385d0a4d07ec4dbb01d8c7afb3caf21d0b985217adc.exe

Executes dropped EXE 1 IoCs

pid	Process
5008	codec_update.exe

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 4828 wrote to memory of 5008	4828	71ce77584a9f50979e573385d0a4d07ec4dbb01d8c7afb3caf21d0b985217adc.exe	89
PID 4828 wrote to memory of 5008	4828	71ce77584a9f50979e573385d0a4d07ec4dbb01d8c7afb3caf21d0b985217adc.exe	89
PID 4828 wrote to memory of 5008	4828	71ce77584a9f50979e573385d0a4d07ec4dbb01d8c7afb3caf21d0b985217adc.exe	89

C:\Users\Admin\AppData\Local\Temp\71ce77584a9f50979e573385d0a4d07ec4dbb01d8c7afb3caf21d0b985217adc.exe
"C:\Users\Admin\AppData\Local\Temp\71ce77584a9f50979e573385d0a4d07ec4dbb01d8c7afb3caf21d0b985217adc.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4828
- C:\Users\Admin\AppData\Local\Temp\codec_update.exe
  "C:\Users\Admin\AppData\Local\Temp\codec_update.exe"
  2⤵
  - Executes dropped EXE
  PID:5008

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4064,i,3595107284059830391,18018199024659337217,262144 --variations-seed-version --mojo-platform-channel-handle=4308 /prefetch:8
1⤵
PID:2368

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

codec_update.exe

Path C:\Users\Admin\AppData\Local\Temp\codec_update.exe
Size 36KB
SHA256 32869d470c85580399ebb336f30442bb2ec544fab2e01e7d22e01f7a1c81d7ef
MD5 aa732bb16b6dd6950cce057fa7a96969
SHA1 9cc677ded36551efd0a1a6d298e126fc3aadcef1
SHA512 8cc5e08ed7af14170cbfb02f2a598102027e2b8959bc02fef0469566708ce70a0527859dd06f1ed229af92823d19bfde561aa9d460a71407b4457dbac09dd139
SSDEEP 384:8ymGIDl8anPvH4kyAP3VPmVUj42pOFCyoeTemVz06pRrLXCAlc8cw1A3dGKw:8ymKUPvYePEUj4+OEWxDqn5w
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/4828-1-0x0000000000403000-0x0000000000404000-memory.dmp

Download

memory/5008-12-0x0000000000400000-0x0000000000407000-memory.dmp