61ef482b2bc423f9c876ac99fb2b2048897efa075e960310341f487cf206f58c

Analysis

max time kernel
150s
max time network
143s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
18/08/2026, 12:19

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General

Target
61ef482b2bc423f9c876ac99fb2b2048897efa075e960310341f487cf206f58c.exe
Size 2.7MB
Sample260818-pg7axssape
SHA256 61ef482b2bc423f9c876ac99fb2b2048897efa075e960310341f487cf206f58c
MD5 e9510647a0192389482a5d60294e9d10
SHA1 f0c221766863c8ebe6d5652e1859a56fdc62087e
SHA512 778b998df8c1efe746781df258fa8e73f538c6051d05986e2dc1ad6fc81db0d5dd10d01cb879bf318c9701e788e3f00a9bae9494bd8ab1b30e047e5a9381d3f7
SSDEEP 49152:g1pwNmU10fC7jxEmqJ06BdBPnJRFkac5Fe80LcITWNFK/LNFFLi38iDCARu0d8xX:kwkQ09ckJRF9c5Fe8nNFKLNFFLi38iDc
TLSH
T143D5E0139ABA49C3F7287071649B1ABCA90BF41EF7A457F6D217B5CCDB2C39102E4825
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery execution installer

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2860	lemjwpgkda.exe
4204	lemjwpgkda.tmp

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in Program Files directory 10 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\MYPGNotes\AppleNote.exe	lemjwpgkda.tmp
File created	C:\Program Files (x86)\MYPGNotes\unins000.dat	lemjwpgkda.tmp
File created	C:\Program Files (x86)\MYPGNotes\is-4BP5P.tmp	lemjwpgkda.tmp
File created	C:\Program Files (x86)\MYPGNotes\is-5DV4O.tmp	lemjwpgkda.tmp
File opened for modification	C:\Program Files (x86)\MYPGNotes\unins000.dat	lemjwpgkda.tmp
File opened for modification	C:\Program Files (x86)\MYPGNotes\Qt5Concurrent.dll	lemjwpgkda.tmp
File created	C:\Program Files (x86)\MYPGNotes\is-3CRGD.tmp	lemjwpgkda.tmp
File created	C:\Program Files (x86)\MYPGNotes\is-FUCT5.tmp	lemjwpgkda.tmp
File created	C:\Program Files (x86)\MYPGNotes\is-E1TI7.tmp	lemjwpgkda.tmp
File created	C:\Program Files (x86)\MYPGNotes\is-98KQT.tmp	lemjwpgkda.tmp

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

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
1788	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	lemjwpgkda.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lemjwpgkda.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	61ef482b2bc423f9c876ac99fb2b2048897efa075e960310341f487cf206f58c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Inno Setup is an open-source installation builder for Windows applications. 3 IoCs

Inno Setup installer

installer

resource	yara_rule
behavioral2/files/0x000c000000016cd6-6.dat	innosetup
behavioral2/memory/2860-8-0x0000000000400000-0x0000000000414000-memory.dmp	innosetup
behavioral2/memory/2860-44-0x0000000000400000-0x0000000000414000-memory.dmp	innosetup

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1192	61ef482b2bc423f9c876ac99fb2b2048897efa075e960310341f487cf206f58c.exe
1192	61ef482b2bc423f9c876ac99fb2b2048897efa075e960310341f487cf206f58c.exe
1192	61ef482b2bc423f9c876ac99fb2b2048897efa075e960310341f487cf206f58c.exe
1192	61ef482b2bc423f9c876ac99fb2b2048897efa075e960310341f487cf206f58c.exe
4204	lemjwpgkda.tmp
4204	lemjwpgkda.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4204	lemjwpgkda.tmp

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1192 wrote to memory of 1788	1192	61ef482b2bc423f9c876ac99fb2b2048897efa075e960310341f487cf206f58c.exe	88
PID 1788 wrote to memory of 2860	1788	cmd.exe	90
PID 2860 wrote to memory of 4204	2860	lemjwpgkda.exe	91

C:\Users\Admin\AppData\Local\Temp\61ef482b2bc423f9c876ac99fb2b2048897efa075e960310341f487cf206f58c.exe
"C:\Users\Admin\AppData\Local\Temp\61ef482b2bc423f9c876ac99fb2b2048897efa075e960310341f487cf206f58c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1192
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\lemjwpgkda.exe" /VERYSILENT
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1788
- - C:\Users\Admin\AppData\Local\Temp\lemjwpgkda.exe
    "C:\Users\Admin\AppData\Local\Temp\lemjwpgkda.exe" /VERYSILENT
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2860
  - - C:\Users\Admin\AppData\Local\Temp\is-A786D.tmp\lemjwpgkda.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-A786D.tmp\lemjwpgkda.tmp" /SL5="$601B6,232785,54272,C:\Users\Admin\AppData\Local\Temp\lemjwpgkda.exe" /VERYSILENT
      4⤵
      Executes dropped EXE
      Drops file in Program Files directory
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of FindShellTrayWindow
      PID:4204

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

lemjwpgkda.tmp

Path C:\Users\Admin\AppData\Local\Temp\is-A786D.tmp\lemjwpgkda.tmp
Size 900KB
SHA256 e8730b0bf8f94cbb8babbfefb32cef8e8d19ec823f28c33a7d48c78589710762
MD5 f8b110dc2063d3b29502aa7042d26122
SHA1 1a0fd3db79eadc1ce714f6267d476ddbec0f5e79
SHA512 f3125d3f575aff68105ebb3eadbce30547d34e12237d8ebbc555c6fe12bcc0a5ea85a38e26f2900d70af70ec07efde3b8cd65dc0fdada637496531245ea5052f
SSDEEP 24576:dkHgKPNrPA37hzHIA6/oR36vln6sYEubnhRgZtnTZDExa/:d6frPA37hzHIA6/3UvjhRgZ9Te
TLSH
T122158C22F280C437C1B31A749E5786D5693BBE053E38A9DB7BF91F4C4E3964139262D2
MD5 SHA1 SHA512 SSDEEP TLSH

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lemjwpgkda.exe

Path C:\Users\Admin\AppData\Local\Temp\lemjwpgkda.exe
Size 526KB
SHA256 e0634bc21490c472b233aaec047438feae557f0d57ea5b78b3b48260916e2b4e
MD5 9beea33ea128fd25ad509ae7ff7bcff3
SHA1 3a87a124b47d68bf8eb1d1a4f9695fb2b2a52660
SHA512 292996177bbb804ea3f6ad51fdb74707f1a1a35d50d8ae7b082d88cbb476bae1a883133c9e1dc4cefce78bc71f8d65276e5cdaeeef03088bc54beb41269dc5b3
SSDEEP 12288:7ybLWvbUj+sC0VISzFot5t/PDwUwfpdvNLo61fFBy91OU:7y38UjrWJtzRwrho61/u
TLSH
T1B7B42383B6D098B8E87285702DA5C145AD733D156C38B02976EDAE6D9F331B1EA0F347
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1192-0-0x0000000000540000-0x00000000007ED000-memory.dmp

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memory/1192-1-0x0000000010000000-0x0000000010297000-memory.dmp

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memory/2860-10-0x000000000040D000-0x000000000040E000-memory.dmp

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memory/2860-8-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/2860-44-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/4204-16-0x0000000000400000-0x00000000004F4000-memory.dmp

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memory/4204-17-0x0000000000400000-0x00000000004F4000-memory.dmp

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memory/4204-43-0x0000000000400000-0x00000000004F4000-memory.dmp

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