fda395d06f8185bbca10e3de802ae2e0ce776388ef92a461c93e4d13e2b1a618

Analysis

max time kernel
138s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19-01-2024 06:26

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General

Target

66ed109b34c0cb23b2c4eb36cd0b7161.exe
Size

327KB
MD5

66ed109b34c0cb23b2c4eb36cd0b7161
SHA1

427aa9f8da4e7c406366bbee48f0b8cd84a532b6
SHA256

fda395d06f8185bbca10e3de802ae2e0ce776388ef92a461c93e4d13e2b1a618
SHA512

d60c8b2da5d3542f303d788362bba4e3a7513f0c938cb11fbb32be9793cd2836cf06c2960e76caeb07f8464f791ceae30814e0eaece1231992c767dc0ac04724
SSDEEP

6144:UySmuzOzapy5X73Cg3LFpNMz4g6BMvIjjVUjfYJRN1y9q:0iak5X7J3g6BMvIjjVUMJRNb

Score

9^/10

collection

Malware Config

Signatures

NirSoft MailPassView 3 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral2/memory/3208-45-0x0000000000400000-0x000000000041A000-memory.dmp	MailPassView
behavioral2/memory/3208-48-0x0000000000400000-0x000000000041A000-memory.dmp	MailPassView
behavioral2/memory/3208-49-0x0000000000400000-0x000000000041A000-memory.dmp	MailPassView

Nirsoft 15 IoCs

resource	yara_rule
behavioral2/memory/4228-17-0x0000000000400000-0x000000000041E000-memory.dmp	Nirsoft
behavioral2/memory/4228-20-0x0000000000400000-0x000000000041E000-memory.dmp	Nirsoft
behavioral2/memory/4228-29-0x0000000000400000-0x000000000041E000-memory.dmp	Nirsoft
behavioral2/memory/3920-36-0x0000000000400000-0x0000000000414000-memory.dmp	Nirsoft
behavioral2/memory/3920-39-0x0000000000400000-0x0000000000414000-memory.dmp	Nirsoft
behavioral2/memory/3920-40-0x0000000000400000-0x0000000000414000-memory.dmp	Nirsoft
behavioral2/memory/3208-45-0x0000000000400000-0x000000000041A000-memory.dmp	Nirsoft
behavioral2/memory/3208-48-0x0000000000400000-0x000000000041A000-memory.dmp	Nirsoft
behavioral2/memory/3208-49-0x0000000000400000-0x000000000041A000-memory.dmp	Nirsoft
behavioral2/memory/3952-66-0x0000000000400000-0x0000000000417000-memory.dmp	Nirsoft
behavioral2/memory/3952-69-0x0000000000400000-0x0000000000417000-memory.dmp	Nirsoft
behavioral2/memory/3952-70-0x0000000000400000-0x0000000000417000-memory.dmp	Nirsoft
behavioral2/memory/3020-75-0x0000000000400000-0x0000000000410000-memory.dmp	Nirsoft
behavioral2/memory/3020-78-0x0000000000400000-0x0000000000410000-memory.dmp	Nirsoft
behavioral2/memory/3020-79-0x0000000000400000-0x0000000000410000-memory.dmp	Nirsoft

Executes dropped EXE 8 IoCs

pid	Process
2472	passstealer.exe
4228	passstealer.exe
1716	passstealer.exe
3920	passstealer.exe
3208	passstealer.exe
4620	passstealer.exe
3952	passstealer.exe
3020	passstealer.exe

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	passstealer.exe

Suspicious use of SetThreadContext 7 IoCs

description	pid	Process	procid_target
PID 2472 set thread context of 4228	2472	passstealer.exe	88
PID 2472 set thread context of 1716	2472	passstealer.exe	90
PID 2472 set thread context of 3920	2472	passstealer.exe	91
PID 2472 set thread context of 3208	2472	passstealer.exe	92
PID 2472 set thread context of 4620	2472	passstealer.exe	93
PID 2472 set thread context of 3952	2472	passstealer.exe	94
PID 2472 set thread context of 3020	2472	passstealer.exe	95

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4228	passstealer.exe
4228	passstealer.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4228	passstealer.exe
Token: SeDebugPrivilege	3920	passstealer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3460	66ed109b34c0cb23b2c4eb36cd0b7161.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3460 wrote to memory of 2472	3460	66ed109b34c0cb23b2c4eb36cd0b7161.exe	87
PID 3460 wrote to memory of 2472	3460	66ed109b34c0cb23b2c4eb36cd0b7161.exe	87
PID 3460 wrote to memory of 2472	3460	66ed109b34c0cb23b2c4eb36cd0b7161.exe	87
PID 2472 wrote to memory of 4228	2472	passstealer.exe	88
PID 2472 wrote to memory of 4228	2472	passstealer.exe	88
PID 2472 wrote to memory of 4228	2472	passstealer.exe	88
PID 2472 wrote to memory of 4228	2472	passstealer.exe	88
PID 2472 wrote to memory of 4228	2472	passstealer.exe	88
PID 2472 wrote to memory of 4228	2472	passstealer.exe	88
PID 2472 wrote to memory of 4228	2472	passstealer.exe	88
PID 2472 wrote to memory of 4228	2472	passstealer.exe	88
PID 2472 wrote to memory of 4228	2472	passstealer.exe	88
PID 2472 wrote to memory of 1716	2472	passstealer.exe	90
PID 2472 wrote to memory of 1716	2472	passstealer.exe	90
PID 2472 wrote to memory of 1716	2472	passstealer.exe	90
PID 2472 wrote to memory of 1716	2472	passstealer.exe	90
PID 2472 wrote to memory of 1716	2472	passstealer.exe	90
PID 2472 wrote to memory of 1716	2472	passstealer.exe	90
PID 2472 wrote to memory of 1716	2472	passstealer.exe	90
PID 2472 wrote to memory of 1716	2472	passstealer.exe	90
PID 2472 wrote to memory of 1716	2472	passstealer.exe	90
PID 2472 wrote to memory of 3920	2472	passstealer.exe	91
PID 2472 wrote to memory of 3920	2472	passstealer.exe	91
PID 2472 wrote to memory of 3920	2472	passstealer.exe	91
PID 2472 wrote to memory of 3920	2472	passstealer.exe	91
PID 2472 wrote to memory of 3920	2472	passstealer.exe	91
PID 2472 wrote to memory of 3920	2472	passstealer.exe	91
PID 2472 wrote to memory of 3920	2472	passstealer.exe	91
PID 2472 wrote to memory of 3920	2472	passstealer.exe	91
PID 2472 wrote to memory of 3920	2472	passstealer.exe	91
PID 2472 wrote to memory of 3208	2472	passstealer.exe	92
PID 2472 wrote to memory of 3208	2472	passstealer.exe	92
PID 2472 wrote to memory of 3208	2472	passstealer.exe	92
PID 2472 wrote to memory of 3208	2472	passstealer.exe	92
PID 2472 wrote to memory of 3208	2472	passstealer.exe	92
PID 2472 wrote to memory of 3208	2472	passstealer.exe	92
PID 2472 wrote to memory of 3208	2472	passstealer.exe	92
PID 2472 wrote to memory of 3208	2472	passstealer.exe	92
PID 2472 wrote to memory of 3208	2472	passstealer.exe	92
PID 2472 wrote to memory of 4620	2472	passstealer.exe	93
PID 2472 wrote to memory of 4620	2472	passstealer.exe	93
PID 2472 wrote to memory of 4620	2472	passstealer.exe	93
PID 2472 wrote to memory of 4620	2472	passstealer.exe	93
PID 2472 wrote to memory of 4620	2472	passstealer.exe	93
PID 2472 wrote to memory of 4620	2472	passstealer.exe	93
PID 2472 wrote to memory of 4620	2472	passstealer.exe	93
PID 2472 wrote to memory of 4620	2472	passstealer.exe	93
PID 2472 wrote to memory of 4620	2472	passstealer.exe	93
PID 2472 wrote to memory of 3952	2472	passstealer.exe	94
PID 2472 wrote to memory of 3952	2472	passstealer.exe	94
PID 2472 wrote to memory of 3952	2472	passstealer.exe	94
PID 2472 wrote to memory of 3952	2472	passstealer.exe	94
PID 2472 wrote to memory of 3952	2472	passstealer.exe	94
PID 2472 wrote to memory of 3952	2472	passstealer.exe	94
PID 2472 wrote to memory of 3952	2472	passstealer.exe	94
PID 2472 wrote to memory of 3952	2472	passstealer.exe	94
PID 2472 wrote to memory of 3952	2472	passstealer.exe	94
PID 2472 wrote to memory of 3020	2472	passstealer.exe	95
PID 2472 wrote to memory of 3020	2472	passstealer.exe	95
PID 2472 wrote to memory of 3020	2472	passstealer.exe	95
PID 2472 wrote to memory of 3020	2472	passstealer.exe	95
PID 2472 wrote to memory of 3020	2472	passstealer.exe	95
PID 2472 wrote to memory of 3020	2472	passstealer.exe	95
PID 2472 wrote to memory of 3020	2472	passstealer.exe	95

C:\Users\Admin\AppData\Local\Temp\66ed109b34c0cb23b2c4eb36cd0b7161.exe
"C:\Users\Admin\AppData\Local\Temp\66ed109b34c0cb23b2c4eb36cd0b7161.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3460
- C:\Users\Admin\AppData\Local\Temp\passstealer.exe
  C:\Users\Admin\AppData\Local\Temp\\passstealer.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2472
- - C:\Users\Admin\AppData\Local\Temp\passstealer.exe
    /stext C:\Users\Admin\AppData\Local\Temp\temp.txt
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4228
- - C:\Users\Admin\AppData\Local\Temp\passstealer.exe
    /stext C:\Users\Admin\AppData\Local\Temp\temp.txt
    3⤵
    - Executes dropped EXE
    PID:1716
- - C:\Users\Admin\AppData\Local\Temp\passstealer.exe
    /stext C:\Users\Admin\AppData\Local\Temp\temp.txt
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:3920
- - C:\Users\Admin\AppData\Local\Temp\passstealer.exe
    /stext C:\Users\Admin\AppData\Local\Temp\temp.txt
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook accounts
    PID:3208
- - C:\Users\Admin\AppData\Local\Temp\passstealer.exe
    /stext C:\Users\Admin\AppData\Local\Temp\temp.txt
    3⤵
    - Executes dropped EXE
    PID:4620
- - C:\Users\Admin\AppData\Local\Temp\passstealer.exe
    /stext C:\Users\Admin\AppData\Local\Temp\temp.txt
    3⤵
    - Executes dropped EXE
    PID:3952
- - C:\Users\Admin\AppData\Local\Temp\passstealer.exe
    /stext C:\Users\Admin\AppData\Local\Temp\temp.txt
    3⤵
    - Executes dropped EXE
    PID:3020

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
279KB

MD5
12d41eb9ef757656206cfb91c42a5459

SHA1
57d2edb7b5fc8469a626c07d1f3dc581ddaaef51

SHA256
b57dc9c7adb143fadff32ebc7070638f1d594bfdc05c68d01c8b56ae987ff018

SHA512
fa003734b6a0c9612adbf3d045be63ed3540ff437e0a1c57782c6fb6a0e8cc750c3c381ad06c531aed7a3b69138d356783850bedf254c818e1d96d281e9cd15f

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

Filesize
33B

MD5
fec8656dbc9772ee24163ae3d57f41d9

SHA1
4e82071ada9bdc0002decba8b18b22a6dfdd127d

SHA256
7a3295b2c8c4797b8e5b4616bcc19bca30266371a54666855cbc67d443a3e4f4

SHA512
7c5965e41515a34db05c442587607bb51b6a3a8662df39513474f0d12c1236d882989d8c8bc99d24be27531c0e0df76af8c4beaf45e041767ab6ba2c72fc9326

Download Submit
memory/1716-28-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1716-21-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1716-31-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1716-24-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1716-23-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1716-22-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2472-8-0x0000000002050000-0x000000000205A000-memory.dmp

Filesize
40KB

Download
memory/2472-93-0x0000000002050000-0x0000000002058000-memory.dmp

Filesize
32KB

Download
memory/2472-86-0x0000000002050000-0x0000000002058000-memory.dmp

Filesize
32KB

Download
memory/3020-75-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/3020-78-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/3020-79-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/3020-73-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/3020-74-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/3020-72-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/3208-45-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3208-44-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3208-49-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3208-48-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3208-42-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3208-43-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3460-0-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3460-89-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3920-35-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3920-40-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3920-39-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3920-33-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3920-34-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3920-36-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3952-70-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3952-66-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3952-69-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3952-63-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3952-64-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3952-65-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4228-17-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4228-29-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4228-20-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4228-16-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4228-15-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4228-14-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4620-58-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4620-54-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4620-53-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4620-52-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4620-60-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4620-51-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download