f68687dec3d4c27ef25a5f160df49445a8cfbd1881fb7613a935bdd4cb302895

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
12-01-2024 04:58

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General

Target

558d04f0ef9feb982fddc94a8564c1d4.exe
Size

728KB
MD5

558d04f0ef9feb982fddc94a8564c1d4
SHA1

d129efc760c4fd279701d9b72f18f05f03a3dd79
SHA256

f68687dec3d4c27ef25a5f160df49445a8cfbd1881fb7613a935bdd4cb302895
SHA512

84f95a6c4d3c232b4b3e6e5771d5a78221c9f4cbee0d095e1fd4fd4e54554eb3f9c16eb3a1aa48bf5770fcd0156cbe06c9de338aefe48bfb8b86d7c60b28cd5a
SSDEEP

12288:+z9/32XvY6CD6zzXGytE0/OJKG+UlIKfJuUKo1nWjhStiSbUccDJIwsrom+f:u9vesuzzXGyO0/OJKiICuUKtYcwUccH5

Score

9^/10

collection spyware stealer upx

Malware Config

Signatures

NirSoft MailPassView 2 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral1/memory/2680-56-0x0000000000400000-0x0000000000419000-memory.dmp	MailPassView
behavioral1/memory/2680-52-0x0000000000400000-0x0000000000419000-memory.dmp	MailPassView

Nirsoft 5 IoCs

resource	yara_rule
behavioral1/memory/1444-30-0x0000000000400000-0x000000000041F000-memory.dmp	Nirsoft
behavioral1/memory/1444-31-0x0000000000400000-0x000000000041F000-memory.dmp	Nirsoft
behavioral1/memory/1444-26-0x0000000000400000-0x000000000041F000-memory.dmp	Nirsoft
behavioral1/memory/2680-56-0x0000000000400000-0x0000000000419000-memory.dmp	Nirsoft
behavioral1/memory/2680-52-0x0000000000400000-0x0000000000419000-memory.dmp	Nirsoft

Deletes itself 1 IoCs

pid	Process
1484	cmd.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1988-113-0x0000000010000000-0x000000001001F000-memory.dmp	upx
behavioral1/memory/1988-124-0x0000000010000000-0x000000001003E000-memory.dmp	upx

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	558d04f0ef9feb982fddc94a8564c1d4.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1988 set thread context of 1444	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	14
PID 1988 set thread context of 2680	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	27
PID 1988 set thread context of 2664	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	30
PID 1988 set thread context of 2596	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	31

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1444	558d04f0ef9feb982fddc94a8564c1d4.exe
Token: SeDebugPrivilege	2596	558d04f0ef9feb982fddc94a8564c1d4.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 1988 wrote to memory of 1444	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	14
PID 1988 wrote to memory of 1444	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	14
PID 1988 wrote to memory of 1444	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	14
PID 1988 wrote to memory of 1444	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	14
PID 1988 wrote to memory of 1444	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	14
PID 1988 wrote to memory of 1444	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	14
PID 1988 wrote to memory of 1444	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	14
PID 1988 wrote to memory of 1444	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	14
PID 1988 wrote to memory of 1444	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	14
PID 1988 wrote to memory of 1444	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	14
PID 1988 wrote to memory of 2680	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	27
PID 1988 wrote to memory of 2680	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	27
PID 1988 wrote to memory of 2680	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	27
PID 1988 wrote to memory of 2680	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	27
PID 1988 wrote to memory of 2680	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	27
PID 1988 wrote to memory of 2680	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	27
PID 1988 wrote to memory of 2680	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	27
PID 1988 wrote to memory of 2680	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	27
PID 1988 wrote to memory of 2680	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	27
PID 1988 wrote to memory of 2680	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	27
PID 1988 wrote to memory of 2664	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	30
PID 1988 wrote to memory of 2664	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	30
PID 1988 wrote to memory of 2664	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	30
PID 1988 wrote to memory of 2664	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	30
PID 1988 wrote to memory of 2664	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	30
PID 1988 wrote to memory of 2664	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	30
PID 1988 wrote to memory of 2664	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	30
PID 1988 wrote to memory of 2664	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	30
PID 1988 wrote to memory of 2664	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	30
PID 1988 wrote to memory of 2664	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	30
PID 1988 wrote to memory of 2596	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	31
PID 1988 wrote to memory of 2596	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	31
PID 1988 wrote to memory of 2596	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	31
PID 1988 wrote to memory of 2596	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	31
PID 1988 wrote to memory of 2596	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	31
PID 1988 wrote to memory of 2596	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	31
PID 1988 wrote to memory of 2596	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	31
PID 1988 wrote to memory of 2596	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	31
PID 1988 wrote to memory of 2596	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	31
PID 1988 wrote to memory of 2596	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	31
PID 1988 wrote to memory of 1484	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	34
PID 1988 wrote to memory of 1484	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	34
PID 1988 wrote to memory of 1484	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	34
PID 1988 wrote to memory of 1484	1988	558d04f0ef9feb982fddc94a8564c1d4.exe	34

C:\Users\Admin\AppData\Local\Temp\558d04f0ef9feb982fddc94a8564c1d4.exe
/stext C:\Users\Admin\AppData\Local\Temp\temp.txt
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1444

C:\Users\Admin\AppData\Local\Temp\558d04f0ef9feb982fddc94a8564c1d4.exe
"C:\Users\Admin\AppData\Local\Temp\558d04f0ef9feb982fddc94a8564c1d4.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1988
- C:\Users\Admin\AppData\Local\Temp\558d04f0ef9feb982fddc94a8564c1d4.exe
  /stext C:\Users\Admin\AppData\Local\Temp\temp.txt
  2⤵
  - Accesses Microsoft Outlook accounts
  PID:2680
- C:\Users\Admin\AppData\Local\Temp\558d04f0ef9feb982fddc94a8564c1d4.exe
  /stext C:\Users\Admin\AppData\Local\Temp\temp.txt
  2⤵
  PID:2664
- C:\Users\Admin\AppData\Local\Temp\558d04f0ef9feb982fddc94a8564c1d4.exe
  /stext C:\Users\Admin\AppData\Local\Temp\temp.txt
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2596
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\558D04~1.EXE >> NUL
  2⤵
  - Deletes itself
  PID:1484

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1444-13-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1444-20-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1444-30-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1444-31-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1444-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1444-26-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1444-23-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1444-17-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1444-15-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1988-7-0x0000000000240000-0x000000000024A000-memory.dmp

Filesize
40KB

Download
memory/1988-2-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1988-113-0x0000000010000000-0x000000001001F000-memory.dmp

Filesize
124KB

Download
memory/1988-124-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2664-65-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2664-63-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2680-43-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2680-56-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2680-52-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2680-49-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2680-46-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2680-41-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2680-39-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download