973e873ffc62f729b6f911018ecee60b3f32468b5746d7abcff7ba28504eef39

Analysis

max time kernel
104s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
28/03/2025, 06:39

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General

Target

PASSST~2.exe
Size

299KB
MD5

a215bd88a8648e01bceee0c90801474e
SHA1

4e8fc2e61fce9c4dbc9ad18866405c35c4432800
SHA256

2117ac2ff86fd8b2fd5d6261d1ffb1b4ca5c527cc279e37ba552d1e63b111d2e
SHA512

9c30c94ef83f8b6ce0343093b1a70c2d912cf9e9bf5c272384e09452194deadadec09d30a0af28435be8007b115701bc30400050a3b3ca6cbd06cd5b2ab8c8bc
SSDEEP

6144:DhKO7Gvr2K+J6lqMuXnqmNSLF4tACBBGssiTWbS39/F3x:DhKO+r277XnqLZnPaWsFh

Score

9^/10

collection discovery

Malware Config

Signatures

Detected Nirsoft tools 15 IoCs

Free utilities often used by attackers which can steal passwords, product keys, etc.

resource	yara_rule
behavioral2/memory/3948-16-0x0000000000400000-0x000000000041E000-memory.dmp	Nirsoft
behavioral2/memory/3948-19-0x0000000000400000-0x000000000041E000-memory.dmp	Nirsoft
behavioral2/memory/3948-20-0x0000000000400000-0x000000000041E000-memory.dmp	Nirsoft
behavioral2/memory/3428-36-0x0000000000400000-0x0000000000414000-memory.dmp	Nirsoft
behavioral2/memory/3428-39-0x0000000000400000-0x0000000000414000-memory.dmp	Nirsoft
behavioral2/memory/3428-40-0x0000000000400000-0x0000000000414000-memory.dmp	Nirsoft
behavioral2/memory/1436-48-0x0000000000400000-0x000000000041A000-memory.dmp	Nirsoft
behavioral2/memory/1436-45-0x0000000000400000-0x000000000041A000-memory.dmp	Nirsoft
behavioral2/memory/1436-49-0x0000000000400000-0x000000000041A000-memory.dmp	Nirsoft
behavioral2/memory/116-67-0x0000000000400000-0x0000000000417000-memory.dmp	Nirsoft
behavioral2/memory/116-70-0x0000000000400000-0x0000000000417000-memory.dmp	Nirsoft
behavioral2/memory/116-71-0x0000000000400000-0x0000000000417000-memory.dmp	Nirsoft
behavioral2/memory/4980-76-0x0000000000400000-0x0000000000410000-memory.dmp	Nirsoft
behavioral2/memory/4980-79-0x0000000000400000-0x0000000000410000-memory.dmp	Nirsoft
behavioral2/memory/4980-80-0x0000000000400000-0x0000000000410000-memory.dmp	Nirsoft

NirSoft MailPassView 3 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral2/memory/1436-48-0x0000000000400000-0x000000000041A000-memory.dmp	MailPassView
behavioral2/memory/1436-45-0x0000000000400000-0x000000000041A000-memory.dmp	MailPassView
behavioral2/memory/1436-49-0x0000000000400000-0x000000000041A000-memory.dmp	MailPassView

Executes dropped EXE 8 IoCs

pid	Process
888	tmp.exe
3948	tmp.exe
3076	tmp.exe
3428	tmp.exe
1436	tmp.exe
3672	tmp.exe
116	tmp.exe
4980	tmp.exe

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-83325578-304917428-1200496059-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	tmp.exe

Suspicious use of SetThreadContext 7 IoCs

description	pid	Process	procid_target
PID 888 set thread context of 3948	888	tmp.exe	87
PID 888 set thread context of 3076	888	tmp.exe	91
PID 888 set thread context of 3428	888	tmp.exe	92
PID 888 set thread context of 1436	888	tmp.exe	93
PID 888 set thread context of 3672	888	tmp.exe	94
PID 888 set thread context of 116	888	tmp.exe	95
PID 888 set thread context of 4980	888	tmp.exe	96

System Location Discovery: System Language Discovery 1 TTPs 9 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	tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PASSST~2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmp.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3948	tmp.exe
3948	tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3948	tmp.exe
Token: SeDebugPrivilege	3428	tmp.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4196	PASSST~2.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4196 wrote to memory of 888	4196	PASSST~2.exe	86
PID 4196 wrote to memory of 888	4196	PASSST~2.exe	86
PID 4196 wrote to memory of 888	4196	PASSST~2.exe	86
PID 888 wrote to memory of 3948	888	tmp.exe	87
PID 888 wrote to memory of 3948	888	tmp.exe	87
PID 888 wrote to memory of 3948	888	tmp.exe	87
PID 888 wrote to memory of 3948	888	tmp.exe	87
PID 888 wrote to memory of 3948	888	tmp.exe	87
PID 888 wrote to memory of 3948	888	tmp.exe	87
PID 888 wrote to memory of 3948	888	tmp.exe	87
PID 888 wrote to memory of 3948	888	tmp.exe	87
PID 888 wrote to memory of 3948	888	tmp.exe	87
PID 888 wrote to memory of 3076	888	tmp.exe	91
PID 888 wrote to memory of 3076	888	tmp.exe	91
PID 888 wrote to memory of 3076	888	tmp.exe	91
PID 888 wrote to memory of 3076	888	tmp.exe	91
PID 888 wrote to memory of 3076	888	tmp.exe	91
PID 888 wrote to memory of 3076	888	tmp.exe	91
PID 888 wrote to memory of 3076	888	tmp.exe	91
PID 888 wrote to memory of 3076	888	tmp.exe	91
PID 888 wrote to memory of 3076	888	tmp.exe	91
PID 888 wrote to memory of 3428	888	tmp.exe	92
PID 888 wrote to memory of 3428	888	tmp.exe	92
PID 888 wrote to memory of 3428	888	tmp.exe	92
PID 888 wrote to memory of 3428	888	tmp.exe	92
PID 888 wrote to memory of 3428	888	tmp.exe	92
PID 888 wrote to memory of 3428	888	tmp.exe	92
PID 888 wrote to memory of 3428	888	tmp.exe	92
PID 888 wrote to memory of 3428	888	tmp.exe	92
PID 888 wrote to memory of 3428	888	tmp.exe	92
PID 888 wrote to memory of 1436	888	tmp.exe	93
PID 888 wrote to memory of 1436	888	tmp.exe	93
PID 888 wrote to memory of 1436	888	tmp.exe	93
PID 888 wrote to memory of 1436	888	tmp.exe	93
PID 888 wrote to memory of 1436	888	tmp.exe	93
PID 888 wrote to memory of 1436	888	tmp.exe	93
PID 888 wrote to memory of 1436	888	tmp.exe	93
PID 888 wrote to memory of 1436	888	tmp.exe	93
PID 888 wrote to memory of 1436	888	tmp.exe	93
PID 888 wrote to memory of 3672	888	tmp.exe	94
PID 888 wrote to memory of 3672	888	tmp.exe	94
PID 888 wrote to memory of 3672	888	tmp.exe	94
PID 888 wrote to memory of 3672	888	tmp.exe	94
PID 888 wrote to memory of 3672	888	tmp.exe	94
PID 888 wrote to memory of 3672	888	tmp.exe	94
PID 888 wrote to memory of 3672	888	tmp.exe	94
PID 888 wrote to memory of 3672	888	tmp.exe	94
PID 888 wrote to memory of 3672	888	tmp.exe	94
PID 888 wrote to memory of 116	888	tmp.exe	95
PID 888 wrote to memory of 116	888	tmp.exe	95
PID 888 wrote to memory of 116	888	tmp.exe	95
PID 888 wrote to memory of 116	888	tmp.exe	95
PID 888 wrote to memory of 116	888	tmp.exe	95
PID 888 wrote to memory of 116	888	tmp.exe	95
PID 888 wrote to memory of 116	888	tmp.exe	95
PID 888 wrote to memory of 116	888	tmp.exe	95
PID 888 wrote to memory of 116	888	tmp.exe	95
PID 888 wrote to memory of 4980	888	tmp.exe	96
PID 888 wrote to memory of 4980	888	tmp.exe	96
PID 888 wrote to memory of 4980	888	tmp.exe	96
PID 888 wrote to memory of 4980	888	tmp.exe	96
PID 888 wrote to memory of 4980	888	tmp.exe	96
PID 888 wrote to memory of 4980	888	tmp.exe	96
PID 888 wrote to memory of 4980	888	tmp.exe	96

C:\Users\Admin\AppData\Local\Temp\PASSST~2.exe
"C:\Users\Admin\AppData\Local\Temp\PASSST~2.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4196
- C:\Users\Admin\AppData\Local\Temp\tmp.exe
  C:\Users\Admin\AppData\Local\Temp\tmp.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:888
- - C:\Users\Admin\AppData\Local\Temp\tmp.exe
    /stext C:\Users\Admin\AppData\Local\Temp\temp.txt
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3948
- - C:\Users\Admin\AppData\Local\Temp\tmp.exe
    /stext C:\Users\Admin\AppData\Local\Temp\temp.txt
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3076
- - C:\Users\Admin\AppData\Local\Temp\tmp.exe
    /stext C:\Users\Admin\AppData\Local\Temp\temp.txt
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:3428
- - C:\Users\Admin\AppData\Local\Temp\tmp.exe
    /stext C:\Users\Admin\AppData\Local\Temp\temp.txt
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook accounts
    - System Location Discovery: System Language Discovery
    PID:1436
- - C:\Users\Admin\AppData\Local\Temp\tmp.exe
    /stext C:\Users\Admin\AppData\Local\Temp\temp.txt
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3672
- - C:\Users\Admin\AppData\Local\Temp\tmp.exe
    /stext C:\Users\Admin\AppData\Local\Temp\temp.txt
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:116
- - C:\Users\Admin\AppData\Local\Temp\tmp.exe
    /stext C:\Users\Admin\AppData\Local\Temp\temp.txt
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4980

Network

MITRE ATT&CK Enterprise v15

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

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\temp.txt

Filesize
33B

MD5
fec8656dbc9772ee24163ae3d57f41d9

SHA1
4e82071ada9bdc0002decba8b18b22a6dfdd127d

SHA256
7a3295b2c8c4797b8e5b4616bcc19bca30266371a54666855cbc67d443a3e4f4

SHA512
7c5965e41515a34db05c442587607bb51b6a3a8662df39513474f0d12c1236d882989d8c8bc99d24be27531c0e0df76af8c4beaf45e041767ab6ba2c72fc9326

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

Filesize
275KB

MD5
2b3495ad4cbf384123977996f6716c01

SHA1
07ae40448e91ef57afcafae3583e0bec37abbce2

SHA256
d0096416c0765f45433c330dbf3aaf7365e6016f9df633797b263f7761c6ddd4

SHA512
b5c2f072e1b86deccb1d09de2547bb2e248c3144e255c7d4f5cb4cd910310974f69cf2cbf88a0767852ae6fe230b0de70642f18bb7fb56a40e402d38ac2d12ee

Download Submit
memory/116-71-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/116-70-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/116-64-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/116-65-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/116-67-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/116-66-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/888-7-0x0000000000590000-0x000000000059A000-memory.dmp

Filesize
40KB

Download
memory/1436-43-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1436-48-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1436-42-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1436-49-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1436-44-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1436-45-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3076-30-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3076-31-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3076-25-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3076-22-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3076-23-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3076-24-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3076-29-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3428-35-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3428-36-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3428-34-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3428-33-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3428-39-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3428-40-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3672-54-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3672-53-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3672-61-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3672-58-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3672-52-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3672-51-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3948-16-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3948-19-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3948-14-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3948-15-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3948-13-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3948-20-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4196-88-0x0000000000400000-0x00000000004058B8-memory.dmp

Filesize
22KB

Download
memory/4196-0-0x0000000000400000-0x00000000004058B8-memory.dmp

Filesize
22KB

Download
memory/4980-73-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/4980-74-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/4980-75-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/4980-79-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/4980-80-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/4980-76-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download