8f142aa5fa506a316c7d3737ce7761ddb66f17227c8206b0d08c7de4724882a1

Resubmissions

17/04/2024, 12:30

240417-pprkfage31 7

17/04/2024, 12:30

17/04/2024, 12:30

17/04/2024, 12:29

17/04/2024, 12:29

16/04/2024, 13:40

Analysis

max time kernel
145s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
17/04/2024, 12:29

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General

Target

8f142aa5fa506a316c7d3737ce7761ddb66f17227c8206b0d08c7de4724882a1.exe
Size

1.9MB
MD5

30f046e1459ca02a1c2ac6fc6275092c
SHA1

8670f533c929445eb15d1e9939eaf58f47d39be3
SHA256

8f142aa5fa506a316c7d3737ce7761ddb66f17227c8206b0d08c7de4724882a1
SHA512

dffb426dd1e7c67d6e5d31c8237c7138f78343946a0da2fb0785f5a8c6e200a56fd0d11ae4d6205fc39720141c178ecef55085e4ee39e7ff52ec6ac97a14d491
SSDEEP

49152:M6cHoIV5sg2a54Zi7O10no5YSDZnlJYmhPZh:dcL8g2pZOO10no5fDNT5PZh

Score

7^/10

persistence upx

Malware Config

Signatures

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral4/memory/5008-3-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/5008-5-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/5008-6-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/5008-7-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/5008-8-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/5008-9-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/5008-22-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/5008-30-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/5008-31-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/5008-32-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/5008-33-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/5008-40-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/5008-47-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/5008-53-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/5008-54-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/5008-55-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/5008-59-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/5008-60-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/5008-61-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/5008-62-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/5008-63-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral4/memory/5008-67-0x0000000000400000-0x0000000000848000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CSRSS = "\"C:\\ProgramData\\Drivers\\csrss.exe\""	8f142aa5fa506a316c7d3737ce7761ddb66f17227c8206b0d08c7de4724882a1.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5048 set thread context of 5008	5048	8f142aa5fa506a316c7d3737ce7761ddb66f17227c8206b0d08c7de4724882a1.exe	91

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
5008	8f142aa5fa506a316c7d3737ce7761ddb66f17227c8206b0d08c7de4724882a1.exe
5008	8f142aa5fa506a316c7d3737ce7761ddb66f17227c8206b0d08c7de4724882a1.exe
5008	8f142aa5fa506a316c7d3737ce7761ddb66f17227c8206b0d08c7de4724882a1.exe
5008	8f142aa5fa506a316c7d3737ce7761ddb66f17227c8206b0d08c7de4724882a1.exe
5008	8f142aa5fa506a316c7d3737ce7761ddb66f17227c8206b0d08c7de4724882a1.exe
5008	8f142aa5fa506a316c7d3737ce7761ddb66f17227c8206b0d08c7de4724882a1.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5048 wrote to memory of 5008	5048	8f142aa5fa506a316c7d3737ce7761ddb66f17227c8206b0d08c7de4724882a1.exe	91
PID 5048 wrote to memory of 5008	5048	8f142aa5fa506a316c7d3737ce7761ddb66f17227c8206b0d08c7de4724882a1.exe	91
PID 5048 wrote to memory of 5008	5048	8f142aa5fa506a316c7d3737ce7761ddb66f17227c8206b0d08c7de4724882a1.exe	91
PID 5048 wrote to memory of 5008	5048	8f142aa5fa506a316c7d3737ce7761ddb66f17227c8206b0d08c7de4724882a1.exe	91
PID 5048 wrote to memory of 5008	5048	8f142aa5fa506a316c7d3737ce7761ddb66f17227c8206b0d08c7de4724882a1.exe	91
PID 5048 wrote to memory of 5008	5048	8f142aa5fa506a316c7d3737ce7761ddb66f17227c8206b0d08c7de4724882a1.exe	91
PID 5048 wrote to memory of 5008	5048	8f142aa5fa506a316c7d3737ce7761ddb66f17227c8206b0d08c7de4724882a1.exe	91
PID 5048 wrote to memory of 5008	5048	8f142aa5fa506a316c7d3737ce7761ddb66f17227c8206b0d08c7de4724882a1.exe	91

C:\Users\Admin\AppData\Local\Temp\8f142aa5fa506a316c7d3737ce7761ddb66f17227c8206b0d08c7de4724882a1.exe
"C:\Users\Admin\AppData\Local\Temp\8f142aa5fa506a316c7d3737ce7761ddb66f17227c8206b0d08c7de4724882a1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5048
- C:\Users\Admin\AppData\Local\Temp\8f142aa5fa506a316c7d3737ce7761ddb66f17227c8206b0d08c7de4724882a1.exe
  "C:\Users\Admin\AppData\Local\Temp\8f142aa5fa506a316c7d3737ce7761ddb66f17227c8206b0d08c7de4724882a1.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  PID:5008

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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\4KPV6A~1\cached-microdesc-consensus.tmp

Filesize
2.6MB

MD5
8c29dca81612f559ac2e9aa5012896e4

SHA1
e7b504c8be6ae987ced54380dc2a34d03c613ef7

SHA256
b8ac5707fb24e123ee2bb53e97cfb166b3e86f1ee46b36bef7c41cf0f58047fd

SHA512
7c910b5c97dc3f556d35c9b48dd5ea4c4b55827bb66b508347c63650ad744f3992280df808a187f06daede1895347c46787fd110ba2015f92a927ab1f650a98c

Download Submit
C:\Users\Admin\AppData\Local\Temp\4KPV6A~1\cached-microdescs.new

Filesize
8.4MB

MD5
057df17162581be144afbc45c4332ea3

SHA1
24a1e8f0ea7e06ca594ce741cd7af2ef260fdc95

SHA256
cad4e4c93a461ec0f12b1f462c39ddb514fc378445eaf40d90bb0dfc0c69decd

SHA512
2091ab8f1d0d9239e3f45ceb609b1418d034ae9980cd8061e95bf09c6b3dc67cefb7b628b3adc529506ba41fc7781b7af9e5c974310f5bc5e1e45883b1d7d9d2

Download Submit
memory/5008-31-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/5008-3-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/5008-6-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/5008-7-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/5008-8-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/5008-9-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/5008-32-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/5008-22-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/5008-67-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/5008-30-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/5008-5-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/5008-63-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/5008-54-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/5008-40-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/5008-47-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/5008-53-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/5008-33-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/5008-55-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/5008-59-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/5008-60-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/5008-61-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/5008-62-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/5048-1-0x0000000004260000-0x0000000004422000-memory.dmp

Filesize
1.8MB

Download
memory/5048-2-0x0000000004430000-0x00000000045E7000-memory.dmp

Filesize
1.7MB

Download