upatre | 865c19fbb9dbdbb54ba4d9caad29720d25d77a3ddbbcc1708e372d7bc2a3d388

Resubmissions

03-08-2024 17:20

240803-vwsnzazdln 10

27-07-2024 00:13

240727-ahwhgsxcjb 10

Analysis

max time kernel
149s
max time network
124s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
27-07-2024 00:13

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General

Target

865c19fbb9dbdbb54ba4d9caad29720d25d77a3ddbbcc1708e372d7bc2a3d388.exe
Size

38KB
MD5

e097419880fda699d17e6f8eacb660c2
SHA1

81bd0b318fe5b662ccdef14c1e0900f87284747c
SHA256

865c19fbb9dbdbb54ba4d9caad29720d25d77a3ddbbcc1708e372d7bc2a3d388
SHA512

440e2d86cea3f7bbde8a97add8db0f8e605222304e6d43dca99c48b38bf08d083c47c8bdf88009a5f0159fc7df6d7766c96a3ec5b20ca935d4c20c0cfbe329d7
SSDEEP

768:v+dAURFxna4QAPQlYgkFlplVDuyUylyylylytlylySyPyb+L7Gdr/5syyoEdylYc:v6wosj+swSdes

Score

10^/10

upatre discovery downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

Processes:

szgfw.exe

pid	Process
2348	szgfw.exe

Loads dropped DLL 2 IoCs

Processes:

865c19fbb9dbdbb54ba4d9caad29720d25d77a3ddbbcc1708e372d7bc2a3d388.exe

pid	Process
1640	865c19fbb9dbdbb54ba4d9caad29720d25d77a3ddbbcc1708e372d7bc2a3d388.exe
1640	865c19fbb9dbdbb54ba4d9caad29720d25d77a3ddbbcc1708e372d7bc2a3d388.exe

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 1 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

Processes:

865c19fbb9dbdbb54ba4d9caad29720d25d77a3ddbbcc1708e372d7bc2a3d388.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	865c19fbb9dbdbb54ba4d9caad29720d25d77a3ddbbcc1708e372d7bc2a3d388.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

865c19fbb9dbdbb54ba4d9caad29720d25d77a3ddbbcc1708e372d7bc2a3d388.exe

description	pid	Process	procid_target
PID 1640 wrote to memory of 2348	1640	865c19fbb9dbdbb54ba4d9caad29720d25d77a3ddbbcc1708e372d7bc2a3d388.exe	30
PID 1640 wrote to memory of 2348	1640	865c19fbb9dbdbb54ba4d9caad29720d25d77a3ddbbcc1708e372d7bc2a3d388.exe	30
PID 1640 wrote to memory of 2348	1640	865c19fbb9dbdbb54ba4d9caad29720d25d77a3ddbbcc1708e372d7bc2a3d388.exe	30
PID 1640 wrote to memory of 2348	1640	865c19fbb9dbdbb54ba4d9caad29720d25d77a3ddbbcc1708e372d7bc2a3d388.exe	30

C:\Users\Admin\AppData\Local\Temp\865c19fbb9dbdbb54ba4d9caad29720d25d77a3ddbbcc1708e372d7bc2a3d388.exe
"C:\Users\Admin\AppData\Local\Temp\865c19fbb9dbdbb54ba4d9caad29720d25d77a3ddbbcc1708e372d7bc2a3d388.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1640
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:2348

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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

\Users\Admin\AppData\Local\Temp\szgfw.exe

Filesize
38KB

MD5
101c6ddd93ffb0f74bac5d8fbab7da11

SHA1
c8d4d37b81864dadca022fa04ded24531d892a30

SHA256
3f427257eed83a667883a009da7d8c0caf968138a17b79090d6778bd182a1801

SHA512
3cdde6c5bd0ca4b903a3cc4abfeb7f3b54072b2df4fef811afd605bf0028cd5b9d97fd4b4f26aef36c22ea9538a6ec4e5c7ea4cabe7f5cacac7a49ca8297b160

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