0f8ba8b3d14e8d823c2daaa728b62dd3392b9dd297bd0bd081d5f8ffec90acc5

General

Target

0f8ba8b3d14e8d823c2daaa728b62dd3392b9dd297bd0bd081d5f8ffec90acc5.exe
Size

85KB
MD5

936b3450aad167eab25b9dc9f80a0b44
SHA1

20021055e1e66e41f747d7099aa6e977c32d56b8
SHA256

0f8ba8b3d14e8d823c2daaa728b62dd3392b9dd297bd0bd081d5f8ffec90acc5
SHA512

dea25ea303c148de243c4f8c382dc6c570c8aec89dd9484969049621c3d42226ee56d2f24ea3abe26d43625974b26aa8a23b6662b66ad47ce0fd46127fb73e61
SSDEEP

1536:8PFYgIzz2OQdfgB3KEkWAfN8pO2D1hjuWOmeVXQVVzL:/ZzIQZk9fN8RjurfgV9

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4776	sesdessetri.exe
1364	sesdessetri.exe

UPX packed file 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/848-134-0x0000000000400000-0x000000000044A000-memory.dmp	upx
behavioral2/memory/848-138-0x0000000000400000-0x000000000044A000-memory.dmp	upx
behavioral2/files/0x0004000000022dd9-142.dat	upx
behavioral2/files/0x0004000000022dd9-143.dat	upx
behavioral2/memory/4776-147-0x0000000000400000-0x000000000044A000-memory.dmp	upx
behavioral2/files/0x0004000000022dd9-150.dat	upx
behavioral2/memory/4776-153-0x0000000000400000-0x000000000044A000-memory.dmp	upx

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\	0f8ba8b3d14e8d823c2daaa728b62dd3392b9dd297bd0bd081d5f8ffec90acc5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Driver Control Manager v8.1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\sesdessetri.exe"	0f8ba8b3d14e8d823c2daaa728b62dd3392b9dd297bd0bd081d5f8ffec90acc5.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	0f8ba8b3d14e8d823c2daaa728b62dd3392b9dd297bd0bd081d5f8ffec90acc5.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Driver Control Manager v8.1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\sesdessetri.exe"	0f8ba8b3d14e8d823c2daaa728b62dd3392b9dd297bd0bd081d5f8ffec90acc5.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 848 set thread context of 4500	848	0f8ba8b3d14e8d823c2daaa728b62dd3392b9dd297bd0bd081d5f8ffec90acc5.exe	83
PID 4776 set thread context of 1364	4776	sesdessetri.exe	85

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
848	0f8ba8b3d14e8d823c2daaa728b62dd3392b9dd297bd0bd081d5f8ffec90acc5.exe
4776	sesdessetri.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 848 wrote to memory of 4500	848	0f8ba8b3d14e8d823c2daaa728b62dd3392b9dd297bd0bd081d5f8ffec90acc5.exe	83
PID 848 wrote to memory of 4500	848	0f8ba8b3d14e8d823c2daaa728b62dd3392b9dd297bd0bd081d5f8ffec90acc5.exe	83
PID 848 wrote to memory of 4500	848	0f8ba8b3d14e8d823c2daaa728b62dd3392b9dd297bd0bd081d5f8ffec90acc5.exe	83
PID 848 wrote to memory of 4500	848	0f8ba8b3d14e8d823c2daaa728b62dd3392b9dd297bd0bd081d5f8ffec90acc5.exe	83
PID 848 wrote to memory of 4500	848	0f8ba8b3d14e8d823c2daaa728b62dd3392b9dd297bd0bd081d5f8ffec90acc5.exe	83
PID 848 wrote to memory of 4500	848	0f8ba8b3d14e8d823c2daaa728b62dd3392b9dd297bd0bd081d5f8ffec90acc5.exe	83
PID 848 wrote to memory of 4500	848	0f8ba8b3d14e8d823c2daaa728b62dd3392b9dd297bd0bd081d5f8ffec90acc5.exe	83
PID 848 wrote to memory of 4500	848	0f8ba8b3d14e8d823c2daaa728b62dd3392b9dd297bd0bd081d5f8ffec90acc5.exe	83
PID 4500 wrote to memory of 4776	4500	0f8ba8b3d14e8d823c2daaa728b62dd3392b9dd297bd0bd081d5f8ffec90acc5.exe	84
PID 4500 wrote to memory of 4776	4500	0f8ba8b3d14e8d823c2daaa728b62dd3392b9dd297bd0bd081d5f8ffec90acc5.exe	84
PID 4500 wrote to memory of 4776	4500	0f8ba8b3d14e8d823c2daaa728b62dd3392b9dd297bd0bd081d5f8ffec90acc5.exe	84
PID 4776 wrote to memory of 1364	4776	sesdessetri.exe	85
PID 4776 wrote to memory of 1364	4776	sesdessetri.exe	85
PID 4776 wrote to memory of 1364	4776	sesdessetri.exe	85
PID 4776 wrote to memory of 1364	4776	sesdessetri.exe	85
PID 4776 wrote to memory of 1364	4776	sesdessetri.exe	85
PID 4776 wrote to memory of 1364	4776	sesdessetri.exe	85
PID 4776 wrote to memory of 1364	4776	sesdessetri.exe	85
PID 4776 wrote to memory of 1364	4776	sesdessetri.exe	85

C:\Users\Admin\AppData\Local\Temp\0f8ba8b3d14e8d823c2daaa728b62dd3392b9dd297bd0bd081d5f8ffec90acc5.exe
"C:\Users\Admin\AppData\Local\Temp\0f8ba8b3d14e8d823c2daaa728b62dd3392b9dd297bd0bd081d5f8ffec90acc5.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:848
- C:\Users\Admin\AppData\Local\Temp\0f8ba8b3d14e8d823c2daaa728b62dd3392b9dd297bd0bd081d5f8ffec90acc5.exe
  "C:\Users\Admin\AppData\Local\Temp\0f8ba8b3d14e8d823c2daaa728b62dd3392b9dd297bd0bd081d5f8ffec90acc5.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4500
- - C:\Users\Admin\AppData\Local\Temp\sesdessetri.exe
    "C:\Users\Admin\AppData\Local\Temp\sesdessetri.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4776
  - - C:\Users\Admin\AppData\Local\Temp\sesdessetri.exe
      "C:\Users\Admin\AppData\Local\Temp\sesdessetri.exe"
      4⤵
      Executes dropped EXE
      PID:1364

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\sesdessetri.exe

Filesize
85KB

MD5
936b3450aad167eab25b9dc9f80a0b44

SHA1
20021055e1e66e41f747d7099aa6e977c32d56b8

SHA256
0f8ba8b3d14e8d823c2daaa728b62dd3392b9dd297bd0bd081d5f8ffec90acc5

SHA512
dea25ea303c148de243c4f8c382dc6c570c8aec89dd9484969049621c3d42226ee56d2f24ea3abe26d43625974b26aa8a23b6662b66ad47ce0fd46127fb73e61

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

Filesize
85KB

MD5
936b3450aad167eab25b9dc9f80a0b44

SHA1
20021055e1e66e41f747d7099aa6e977c32d56b8

SHA256
0f8ba8b3d14e8d823c2daaa728b62dd3392b9dd297bd0bd081d5f8ffec90acc5

SHA512
dea25ea303c148de243c4f8c382dc6c570c8aec89dd9484969049621c3d42226ee56d2f24ea3abe26d43625974b26aa8a23b6662b66ad47ce0fd46127fb73e61

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

Filesize
85KB

MD5
936b3450aad167eab25b9dc9f80a0b44

SHA1
20021055e1e66e41f747d7099aa6e977c32d56b8

SHA256
0f8ba8b3d14e8d823c2daaa728b62dd3392b9dd297bd0bd081d5f8ffec90acc5

SHA512
dea25ea303c148de243c4f8c382dc6c570c8aec89dd9484969049621c3d42226ee56d2f24ea3abe26d43625974b26aa8a23b6662b66ad47ce0fd46127fb73e61

Download Submit
memory/848-138-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/848-134-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/1364-155-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/1364-154-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/1364-152-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/4500-146-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/4500-136-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/4500-140-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/4500-139-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/4776-147-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/4776-153-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download

Analysis

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