upatre | 19e9b4524bbab365e60b1e0f75cb73ffee4caa96f57f1033e5701c96474bc65e

Analysis

max time kernel
150s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
09-11-2022 10:49

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General

Target

741/1f9d48b8cbb53e78a7868b9e9757bd25cc47377dfed0049bb3204fd196ff2a67.exe
Size

24KB
MD5

92a9a41d133050a025f72763e8d9353b
SHA1

1941b7b9330cb1b5668611a14ddac0a8d2a3b366
SHA256

1f9d48b8cbb53e78a7868b9e9757bd25cc47377dfed0049bb3204fd196ff2a67
SHA512

314ce8877f48cff0f3bdd7707d7efab922ea52f4935e3d861761cc70e3a2d76a2e76c199e7a8775943feec71d68bc2f7435c58018fcaa1bc7277fc4808b5d6b7
SSDEEP

768:v+qAUVByyyNylXUylqylylmMxgMyXAN5IkSFlOxXmk/oghRFf:vNVrklhL

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
968	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
288	1f9d48b8cbb53e78a7868b9e9757bd25cc47377dfed0049bb3204fd196ff2a67.exe
288	1f9d48b8cbb53e78a7868b9e9757bd25cc47377dfed0049bb3204fd196ff2a67.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 288 wrote to memory of 968	288	1f9d48b8cbb53e78a7868b9e9757bd25cc47377dfed0049bb3204fd196ff2a67.exe	27
PID 288 wrote to memory of 968	288	1f9d48b8cbb53e78a7868b9e9757bd25cc47377dfed0049bb3204fd196ff2a67.exe	27
PID 288 wrote to memory of 968	288	1f9d48b8cbb53e78a7868b9e9757bd25cc47377dfed0049bb3204fd196ff2a67.exe	27
PID 288 wrote to memory of 968	288	1f9d48b8cbb53e78a7868b9e9757bd25cc47377dfed0049bb3204fd196ff2a67.exe	27

C:\Users\Admin\AppData\Local\Temp\741\1f9d48b8cbb53e78a7868b9e9757bd25cc47377dfed0049bb3204fd196ff2a67.exe
"C:\Users\Admin\AppData\Local\Temp\741\1f9d48b8cbb53e78a7868b9e9757bd25cc47377dfed0049bb3204fd196ff2a67.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:288
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:968

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
25KB

MD5
b89710f9762d2cee4b763dbebf7180ad

SHA1
5980ec624caa3a8512ad5dfc6719a5598756c752

SHA256
0c97e7972432212af7af621711e0a635b5c2d39875d023c909e2f3737a70268e

SHA512
2957398ed633df2784e79ddf89ac98ce5fc389a25a973fddb76bd71fb56d626f9860c135f82e56616bd04405311f5ee242c52f864ba6977346b50bc715453f8e

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

Filesize
25KB

MD5
b89710f9762d2cee4b763dbebf7180ad

SHA1
5980ec624caa3a8512ad5dfc6719a5598756c752

SHA256
0c97e7972432212af7af621711e0a635b5c2d39875d023c909e2f3737a70268e

SHA512
2957398ed633df2784e79ddf89ac98ce5fc389a25a973fddb76bd71fb56d626f9860c135f82e56616bd04405311f5ee242c52f864ba6977346b50bc715453f8e

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

Filesize
25KB

MD5
b89710f9762d2cee4b763dbebf7180ad

SHA1
5980ec624caa3a8512ad5dfc6719a5598756c752

SHA256
0c97e7972432212af7af621711e0a635b5c2d39875d023c909e2f3737a70268e

SHA512
2957398ed633df2784e79ddf89ac98ce5fc389a25a973fddb76bd71fb56d626f9860c135f82e56616bd04405311f5ee242c52f864ba6977346b50bc715453f8e

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

Filesize
25KB

MD5
b89710f9762d2cee4b763dbebf7180ad

SHA1
5980ec624caa3a8512ad5dfc6719a5598756c752

SHA256
0c97e7972432212af7af621711e0a635b5c2d39875d023c909e2f3737a70268e

SHA512
2957398ed633df2784e79ddf89ac98ce5fc389a25a973fddb76bd71fb56d626f9860c135f82e56616bd04405311f5ee242c52f864ba6977346b50bc715453f8e

Download Submit
memory/288-54-0x0000000075771000-0x0000000075773000-memory.dmp

Filesize
8KB

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