12bddbf68270febab89eaccbaa3e2fe64d54eb8886c1b125fc7035eca823c624

Analysis

max time kernel
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
04/08/2026, 03:22

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General

Target
12bddbf68270febab89eaccbaa3e2fe64d54eb8886c1b125fc7035eca823c624.exe
Size 90KB
Sample260804-dwwxyscc25
SHA256 12bddbf68270febab89eaccbaa3e2fe64d54eb8886c1b125fc7035eca823c624
MD5 9d381d28e64e584f90ae14bdbfdb20f6
SHA1 358127341bb590f6e2a4f4f96071f521849dea59
SHA512 a66d77e4fdee2d776c44cad9ae9ec2fbbbf22692b5a8e18cf6816ee672b134527d09a2192c3cdf7e2dcfada45e5088fe374dba8635d7502484c2f2986fd8bac4
SSDEEP 1536:/+gisi/OTW1bk3FwErVvHcTCBignpwLsO9NXw6dc3o+:/IZ1bk1FVvHcTUO4O9fc3o+
TLSH
T100933C01E4214172E06344F1ABBA56B9E168DED133812EE7839CFCB51B758E27BB245F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
3520	bot1.exe
3236	bot1.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 6128 set thread context of 5440	6128	12bddbf68270febab89eaccbaa3e2fe64d54eb8886c1b125fc7035eca823c624.exe	90
PID 3520 set thread context of 3236	3520	bot1.exe	91

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5440-11-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral2/memory/5440-10-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral2/memory/5440-16-0x0000000000400000-0x0000000000423000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\system\bot1.exe	12bddbf68270febab89eaccbaa3e2fe64d54eb8886c1b125fc7035eca823c624.exe
File opened for modification	C:\Windows\system\bot1.exe	12bddbf68270febab89eaccbaa3e2fe64d54eb8886c1b125fc7035eca823c624.exe
File opened for modification	C:\Windows\system\RCX959F.tmp	12bddbf68270febab89eaccbaa3e2fe64d54eb8886c1b125fc7035eca823c624.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	12bddbf68270febab89eaccbaa3e2fe64d54eb8886c1b125fc7035eca823c624.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bot1.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 6128 wrote to memory of 3520	6128	12bddbf68270febab89eaccbaa3e2fe64d54eb8886c1b125fc7035eca823c624.exe	89
PID 6128 wrote to memory of 5440	6128	12bddbf68270febab89eaccbaa3e2fe64d54eb8886c1b125fc7035eca823c624.exe	90
PID 6128 wrote to memory of 5440	6128	12bddbf68270febab89eaccbaa3e2fe64d54eb8886c1b125fc7035eca823c624.exe	90
PID 6128 wrote to memory of 5440	6128	12bddbf68270febab89eaccbaa3e2fe64d54eb8886c1b125fc7035eca823c624.exe	90
PID 6128 wrote to memory of 5440	6128	12bddbf68270febab89eaccbaa3e2fe64d54eb8886c1b125fc7035eca823c624.exe	90
PID 3520 wrote to memory of 3236	3520	bot1.exe	91
PID 3520 wrote to memory of 3236	3520	bot1.exe	91
PID 3520 wrote to memory of 3236	3520	bot1.exe	91
PID 3520 wrote to memory of 3236	3520	bot1.exe	91

C:\Users\Admin\AppData\Local\Temp\12bddbf68270febab89eaccbaa3e2fe64d54eb8886c1b125fc7035eca823c624.exe
"C:\Users\Admin\AppData\Local\Temp\12bddbf68270febab89eaccbaa3e2fe64d54eb8886c1b125fc7035eca823c624.exe"
1⤵
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:6128
- C:\Windows\system\bot1.exe
  "C:\Windows\system\bot1.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3520
- - C:\Windows\system\bot1.exe
    C:\Windows\system\bot1.exe
    3⤵
    - Executes dropped EXE
    PID:3236
- C:\Users\Admin\AppData\Local\Temp\12bddbf68270febab89eaccbaa3e2fe64d54eb8886c1b125fc7035eca823c624.exe
  "C:\Users\Admin\AppData\Local\Temp\12bddbf68270febab89eaccbaa3e2fe64d54eb8886c1b125fc7035eca823c624.exe" -cure -offset=92160 -rcline="C:\Users\Admin\AppData\Local\Temp\12bddbf68270febab89eaccbaa3e2fe64d54eb8886c1b125fc7035eca823c624.exe"
  2⤵
  PID:5440

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

bot1.exe

Path C:\Windows\system\bot1.exe
Size 88KB
SHA256 3e904c97c6c4ad31ea769b397ffd2b4a8dac726689beb6173174941552f4f18b
MD5 ef34152f8cb1bf335d091606854d9209
SHA1 c923793f96cef02ce0aefd2d6006f003340b6e2a
SHA512 4b9a7fe03862b868038f1f71e4cf8af9d369a02ad6715bb41b815d87861ed8aab0643e28580eb4b97a3634ac2b58b9cb50171b632b6b3b97b91ef3335e28b91e
SSDEEP 1536:n+gisi/OTW1bk3FwErVvHcT3BignpwLsO9NXw6dc6:nIZ1bk1FVvHcTBO4O9fc6
TLSH
T1F8933C01E4115173E06244F1ABBA56B9A168CFE133812EE7839CFCB51B758E27BB245F
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3520-15-0x0000000000400000-0x0000000000418000-memory.dmp

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memory/3520-26-0x0000000000400000-0x0000000000418000-memory.dmp

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memory/5440-11-0x0000000000400000-0x0000000000423000-memory.dmp

Download

memory/5440-10-0x0000000000400000-0x0000000000423000-memory.dmp

Download

memory/5440-16-0x0000000000400000-0x0000000000423000-memory.dmp

Download

memory/6128-0-0x0000000000400000-0x0000000000419000-memory.dmp

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memory/6128-18-0x0000000000400000-0x0000000000419000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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