upatre | 19e9b4524bbab365e60b1e0f75cb73ffee4caa96f57f1033e5701c96474bc65e

Analysis

max time kernel
150s
max time network
50s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
09-11-2022 10:49

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General

Target

741/5ea71342ca397505674624f95000d9ecaab12c1eba44a8e2376940d70d8dfa46.exe
Size

24KB
MD5

5a333c032e916508fedb469787e7d03a
SHA1

9b8010198e6b0aaee8d6af72a03e00596d3baf04
SHA256

5ea71342ca397505674624f95000d9ecaab12c1eba44a8e2376940d70d8dfa46
SHA512

9c812122f2de8183d7a732fed03f35f839396eb384610fbd9503f839db3e60c054646647181763065f739c3cfa082c13a68544785752fcbde4bd7f74c47027bb
SSDEEP

768:v+qAUVByyyNylXUylqylylmMxgMyXAN5IkSFlOxXmkewtWVJ/YT:vNVrklvp

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1692	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
1456	5ea71342ca397505674624f95000d9ecaab12c1eba44a8e2376940d70d8dfa46.exe
1456	5ea71342ca397505674624f95000d9ecaab12c1eba44a8e2376940d70d8dfa46.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1456 wrote to memory of 1692	1456	5ea71342ca397505674624f95000d9ecaab12c1eba44a8e2376940d70d8dfa46.exe	26
PID 1456 wrote to memory of 1692	1456	5ea71342ca397505674624f95000d9ecaab12c1eba44a8e2376940d70d8dfa46.exe	26
PID 1456 wrote to memory of 1692	1456	5ea71342ca397505674624f95000d9ecaab12c1eba44a8e2376940d70d8dfa46.exe	26
PID 1456 wrote to memory of 1692	1456	5ea71342ca397505674624f95000d9ecaab12c1eba44a8e2376940d70d8dfa46.exe	26

C:\Users\Admin\AppData\Local\Temp\741\5ea71342ca397505674624f95000d9ecaab12c1eba44a8e2376940d70d8dfa46.exe
"C:\Users\Admin\AppData\Local\Temp\741\5ea71342ca397505674624f95000d9ecaab12c1eba44a8e2376940d70d8dfa46.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1456
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1692

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\szgfw.exe

Filesize
24KB

MD5
3e0e09dab913a6bd437b6c3ebb81feb5

SHA1
249a2a7ba2a02a0fdb30eea7bda8564f01b779bc

SHA256
9e18d8782a2558d336912163220e6db3261d359f8a709dc18d0828f7f3e04fc0

SHA512
353054238582caac6714fffd9b9938c407cd5ecbaa49ec50cff0853c15a29bb7e18fc35784c5a45c1ba0af0efb408040afc68446a3aa2ad380b3507f49457fe8

Download Submit
C:\Users\Admin\AppData\Local\Temp\szgfw.exe

Filesize
24KB

MD5
3e0e09dab913a6bd437b6c3ebb81feb5

SHA1
249a2a7ba2a02a0fdb30eea7bda8564f01b779bc

SHA256
9e18d8782a2558d336912163220e6db3261d359f8a709dc18d0828f7f3e04fc0

SHA512
353054238582caac6714fffd9b9938c407cd5ecbaa49ec50cff0853c15a29bb7e18fc35784c5a45c1ba0af0efb408040afc68446a3aa2ad380b3507f49457fe8

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

Filesize
24KB

MD5
3e0e09dab913a6bd437b6c3ebb81feb5

SHA1
249a2a7ba2a02a0fdb30eea7bda8564f01b779bc

SHA256
9e18d8782a2558d336912163220e6db3261d359f8a709dc18d0828f7f3e04fc0

SHA512
353054238582caac6714fffd9b9938c407cd5ecbaa49ec50cff0853c15a29bb7e18fc35784c5a45c1ba0af0efb408040afc68446a3aa2ad380b3507f49457fe8

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

Filesize
24KB

MD5
3e0e09dab913a6bd437b6c3ebb81feb5

SHA1
249a2a7ba2a02a0fdb30eea7bda8564f01b779bc

SHA256
9e18d8782a2558d336912163220e6db3261d359f8a709dc18d0828f7f3e04fc0

SHA512
353054238582caac6714fffd9b9938c407cd5ecbaa49ec50cff0853c15a29bb7e18fc35784c5a45c1ba0af0efb408040afc68446a3aa2ad380b3507f49457fe8

Download Submit
memory/1456-54-0x0000000075B51000-0x0000000075B53000-memory.dmp

Filesize
8KB

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