upatre | 19e9b4524bbab365e60b1e0f75cb73ffee4caa96f57f1033e5701c96474bc65e

Analysis

max time kernel
171s
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

741/8477d1ce946600f8f9772a4adc1b2d8911e1988688f768ccf645c0137dd389ae.exe
Size

24KB
MD5

d6fae90bfad7019089227c8bc5fe8967
SHA1

2f7e6318c1fe36de5873439edea1123ff12d320d
SHA256

8477d1ce946600f8f9772a4adc1b2d8911e1988688f768ccf645c0137dd389ae
SHA512

84ab98809dbdefba7b8b3741884d42dba50eec01e65efa83a55428a1c2b688c60eadac25f6061e83ebb9c7762c1be661b98df6b665cd5e9dbb2316de80307054
SSDEEP

768:v+qAUVByyyNylXUylqylylmMxgMyXAN5IkSFlOxXmZbLKIx07zP+:vNVrkl2oO

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1304	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
1668	8477d1ce946600f8f9772a4adc1b2d8911e1988688f768ccf645c0137dd389ae.exe
1668	8477d1ce946600f8f9772a4adc1b2d8911e1988688f768ccf645c0137dd389ae.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 1668 wrote to memory of 1304	1668	8477d1ce946600f8f9772a4adc1b2d8911e1988688f768ccf645c0137dd389ae.exe	27
PID 1668 wrote to memory of 1304	1668	8477d1ce946600f8f9772a4adc1b2d8911e1988688f768ccf645c0137dd389ae.exe	27
PID 1668 wrote to memory of 1304	1668	8477d1ce946600f8f9772a4adc1b2d8911e1988688f768ccf645c0137dd389ae.exe	27
PID 1668 wrote to memory of 1304	1668	8477d1ce946600f8f9772a4adc1b2d8911e1988688f768ccf645c0137dd389ae.exe	27

C:\Users\Admin\AppData\Local\Temp\741\8477d1ce946600f8f9772a4adc1b2d8911e1988688f768ccf645c0137dd389ae.exe
"C:\Users\Admin\AppData\Local\Temp\741\8477d1ce946600f8f9772a4adc1b2d8911e1988688f768ccf645c0137dd389ae.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1668
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1304

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
622451fff0f8729802cd40a0427a31ef

SHA1
d95de387625a38f651c3334eef293bcb9ee79a3e

SHA256
0e7ae7322c766b8df4f0cb1dcdc7e56621f8f6a8295176e748f2d63b13b92305

SHA512
be60646a6634689091677dd0abc13bba7384f49f195714600c859b884b5ff31aae08cc9363fdb861ef200ad383614473f94acd9f63b6650c396f5e071b4a3769

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

Filesize
24KB

MD5
622451fff0f8729802cd40a0427a31ef

SHA1
d95de387625a38f651c3334eef293bcb9ee79a3e

SHA256
0e7ae7322c766b8df4f0cb1dcdc7e56621f8f6a8295176e748f2d63b13b92305

SHA512
be60646a6634689091677dd0abc13bba7384f49f195714600c859b884b5ff31aae08cc9363fdb861ef200ad383614473f94acd9f63b6650c396f5e071b4a3769

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

Filesize
24KB

MD5
622451fff0f8729802cd40a0427a31ef

SHA1
d95de387625a38f651c3334eef293bcb9ee79a3e

SHA256
0e7ae7322c766b8df4f0cb1dcdc7e56621f8f6a8295176e748f2d63b13b92305

SHA512
be60646a6634689091677dd0abc13bba7384f49f195714600c859b884b5ff31aae08cc9363fdb861ef200ad383614473f94acd9f63b6650c396f5e071b4a3769

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

Filesize
24KB

MD5
622451fff0f8729802cd40a0427a31ef

SHA1
d95de387625a38f651c3334eef293bcb9ee79a3e

SHA256
0e7ae7322c766b8df4f0cb1dcdc7e56621f8f6a8295176e748f2d63b13b92305

SHA512
be60646a6634689091677dd0abc13bba7384f49f195714600c859b884b5ff31aae08cc9363fdb861ef200ad383614473f94acd9f63b6650c396f5e071b4a3769

Download Submit
memory/1668-54-0x0000000075601000-0x0000000075603000-memory.dmp

Filesize
8KB

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