9fb242a4adc557d4eb4f638c7815f58dd590fbd20e4132dbc358eadae42fe44d

Analysis

max time kernel
156s
max time network
178s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
25/06/2022, 03:57

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General

Target
9fb242a4adc557d4eb4f638c7815f58dd590fbd20e4132dbc358eadae42fe44d.exe
Size 737KB
Sample220625-eh4lbadccn
SHA256 9fb242a4adc557d4eb4f638c7815f58dd590fbd20e4132dbc358eadae42fe44d
MD5 b7be4f46fd225d81ff4e4a0ddf7ee8e3
SHA1 2b6a713b6e4b573995939b2f5986cdc42806c40d
SHA512 8b679786ccb6a02eae74f88f386c18e2ec6972c6e0b01249ffd078a1066b6e96396078f4ff6c6cb9842df7ff388aea2bc6169156687c87b08c7f01655029d580
MD5 SHA1 SHA512

Score

9^/10

collection

Malware Config

Signatures

NirSoft MailPassView 4 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral2/memory/5056-147-0x0000000000400000-0x000000000041C000-memory.dmp	MailPassView
behavioral2/memory/5056-149-0x0000000000400000-0x000000000041C000-memory.dmp	MailPassView
behavioral2/memory/5056-150-0x0000000000400000-0x000000000041C000-memory.dmp	MailPassView
behavioral2/memory/5056-151-0x0000000000400000-0x000000000041C000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 4 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral2/memory/2376-140-0x0000000000400000-0x000000000045C000-memory.dmp	WebBrowserPassView
behavioral2/memory/2376-142-0x0000000000400000-0x000000000045C000-memory.dmp	WebBrowserPassView
behavioral2/memory/2376-143-0x0000000000400000-0x000000000045C000-memory.dmp	WebBrowserPassView
behavioral2/memory/2376-144-0x0000000000400000-0x000000000045C000-memory.dmp	WebBrowserPassView

Nirsoft 8 IoCs

resource	yara_rule
behavioral2/memory/2376-140-0x0000000000400000-0x000000000045C000-memory.dmp	Nirsoft
behavioral2/memory/2376-142-0x0000000000400000-0x000000000045C000-memory.dmp	Nirsoft
behavioral2/memory/2376-143-0x0000000000400000-0x000000000045C000-memory.dmp	Nirsoft
behavioral2/memory/2376-144-0x0000000000400000-0x000000000045C000-memory.dmp	Nirsoft
behavioral2/memory/5056-147-0x0000000000400000-0x000000000041C000-memory.dmp	Nirsoft
behavioral2/memory/5056-149-0x0000000000400000-0x000000000041C000-memory.dmp	Nirsoft
behavioral2/memory/5056-150-0x0000000000400000-0x000000000041C000-memory.dmp	Nirsoft
behavioral2/memory/5056-151-0x0000000000400000-0x000000000041C000-memory.dmp	Nirsoft

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	9fb242a4adc557d4eb4f638c7815f58dd590fbd20e4132dbc358eadae42fe44d.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	vbc.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2000 set thread context of 1332	2000	9fb242a4adc557d4eb4f638c7815f58dd590fbd20e4132dbc358eadae42fe44d.exe	90
PID 1332 set thread context of 2376	1332	9fb242a4adc557d4eb4f638c7815f58dd590fbd20e4132dbc358eadae42fe44d.exe	91
PID 1332 set thread context of 5056	1332	9fb242a4adc557d4eb4f638c7815f58dd590fbd20e4132dbc358eadae42fe44d.exe	92

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
3456	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2376	vbc.exe
2376	vbc.exe
2376	vbc.exe
2376	vbc.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2000 wrote to memory of 3456	2000	9fb242a4adc557d4eb4f638c7815f58dd590fbd20e4132dbc358eadae42fe44d.exe	88
PID 2000 wrote to memory of 3456	2000	9fb242a4adc557d4eb4f638c7815f58dd590fbd20e4132dbc358eadae42fe44d.exe	88
PID 2000 wrote to memory of 3456	2000	9fb242a4adc557d4eb4f638c7815f58dd590fbd20e4132dbc358eadae42fe44d.exe	88
PID 2000 wrote to memory of 1332	2000	9fb242a4adc557d4eb4f638c7815f58dd590fbd20e4132dbc358eadae42fe44d.exe	90
PID 2000 wrote to memory of 1332	2000	9fb242a4adc557d4eb4f638c7815f58dd590fbd20e4132dbc358eadae42fe44d.exe	90
PID 2000 wrote to memory of 1332	2000	9fb242a4adc557d4eb4f638c7815f58dd590fbd20e4132dbc358eadae42fe44d.exe	90
PID 2000 wrote to memory of 1332	2000	9fb242a4adc557d4eb4f638c7815f58dd590fbd20e4132dbc358eadae42fe44d.exe	90
PID 2000 wrote to memory of 1332	2000	9fb242a4adc557d4eb4f638c7815f58dd590fbd20e4132dbc358eadae42fe44d.exe	90
PID 2000 wrote to memory of 1332	2000	9fb242a4adc557d4eb4f638c7815f58dd590fbd20e4132dbc358eadae42fe44d.exe	90
PID 2000 wrote to memory of 1332	2000	9fb242a4adc557d4eb4f638c7815f58dd590fbd20e4132dbc358eadae42fe44d.exe	90
PID 2000 wrote to memory of 1332	2000	9fb242a4adc557d4eb4f638c7815f58dd590fbd20e4132dbc358eadae42fe44d.exe	90
PID 1332 wrote to memory of 2376	1332	9fb242a4adc557d4eb4f638c7815f58dd590fbd20e4132dbc358eadae42fe44d.exe	91
PID 1332 wrote to memory of 2376	1332	9fb242a4adc557d4eb4f638c7815f58dd590fbd20e4132dbc358eadae42fe44d.exe	91
PID 1332 wrote to memory of 2376	1332	9fb242a4adc557d4eb4f638c7815f58dd590fbd20e4132dbc358eadae42fe44d.exe	91
PID 1332 wrote to memory of 2376	1332	9fb242a4adc557d4eb4f638c7815f58dd590fbd20e4132dbc358eadae42fe44d.exe	91
PID 1332 wrote to memory of 2376	1332	9fb242a4adc557d4eb4f638c7815f58dd590fbd20e4132dbc358eadae42fe44d.exe	91
PID 1332 wrote to memory of 2376	1332	9fb242a4adc557d4eb4f638c7815f58dd590fbd20e4132dbc358eadae42fe44d.exe	91
PID 1332 wrote to memory of 2376	1332	9fb242a4adc557d4eb4f638c7815f58dd590fbd20e4132dbc358eadae42fe44d.exe	91
PID 1332 wrote to memory of 2376	1332	9fb242a4adc557d4eb4f638c7815f58dd590fbd20e4132dbc358eadae42fe44d.exe	91
PID 1332 wrote to memory of 2376	1332	9fb242a4adc557d4eb4f638c7815f58dd590fbd20e4132dbc358eadae42fe44d.exe	91
PID 1332 wrote to memory of 5056	1332	9fb242a4adc557d4eb4f638c7815f58dd590fbd20e4132dbc358eadae42fe44d.exe	92
PID 1332 wrote to memory of 5056	1332	9fb242a4adc557d4eb4f638c7815f58dd590fbd20e4132dbc358eadae42fe44d.exe	92
PID 1332 wrote to memory of 5056	1332	9fb242a4adc557d4eb4f638c7815f58dd590fbd20e4132dbc358eadae42fe44d.exe	92
PID 1332 wrote to memory of 5056	1332	9fb242a4adc557d4eb4f638c7815f58dd590fbd20e4132dbc358eadae42fe44d.exe	92
PID 1332 wrote to memory of 5056	1332	9fb242a4adc557d4eb4f638c7815f58dd590fbd20e4132dbc358eadae42fe44d.exe	92
PID 1332 wrote to memory of 5056	1332	9fb242a4adc557d4eb4f638c7815f58dd590fbd20e4132dbc358eadae42fe44d.exe	92
PID 1332 wrote to memory of 5056	1332	9fb242a4adc557d4eb4f638c7815f58dd590fbd20e4132dbc358eadae42fe44d.exe	92
PID 1332 wrote to memory of 5056	1332	9fb242a4adc557d4eb4f638c7815f58dd590fbd20e4132dbc358eadae42fe44d.exe	92
PID 1332 wrote to memory of 5056	1332	9fb242a4adc557d4eb4f638c7815f58dd590fbd20e4132dbc358eadae42fe44d.exe	92

C:\Users\Admin\AppData\Local\Temp\9fb242a4adc557d4eb4f638c7815f58dd590fbd20e4132dbc358eadae42fe44d.exe
"C:\Users\Admin\AppData\Local\Temp\9fb242a4adc557d4eb4f638c7815f58dd590fbd20e4132dbc358eadae42fe44d.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2000
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\snzDCaqBLYVvQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp53F7.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3456
- C:\Users\Admin\AppData\Local\Temp\9fb242a4adc557d4eb4f638c7815f58dd590fbd20e4132dbc358eadae42fe44d.exe
  "C:\Users\Admin\AppData\Local\Temp\9fb242a4adc557d4eb4f638c7815f58dd590fbd20e4132dbc358eadae42fe44d.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1332
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /stext "C:\Users\Admin\AppData\Local\Temp\tmpF289.tmp"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:2376
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /stext "C:\Users\Admin\AppData\Local\Temp\tmpA48.tmp"
    3⤵
    - Accesses Microsoft Outlook accounts
    PID:5056

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Scripting

T1064

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Scripting

T1064

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

tmp53F7.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp53F7.tmp
Size 1KB
SHA256 0a3ea1a509e1990a93355d5e955aa2a2dc9cd3b298f9478b76ed92611192ecb5
MD5 c7aa7eb575c1bbbd54e72bce20a7d05e
SHA1 ac990aa2ed28659b656f13642f85f9d25d9bbda2
SHA512 99c8c4ac3b1dc3e0ea00901357a03db9c600c5ba56b6dc12de81063801b4e2dc28e2a50a35dd7a5f73efb0cf2c722502c311b85b6ed035340113c3d44356ba8a
MD5 SHA1 SHA512

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tmpF289.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpF289.tmp
Size 4KB
SHA256 84e388e2bbff6a229d99df8d7e0558e46e793106c2f3bb290c6acc06fe31fe9c
MD5 92b3d04dbcf7aa8eabb0096c55624068
SHA1 04a3b14a8f16bdd8a67f1b5d6be8c3db79c766c7
SHA512 fbd6a298b66e2117f68028cdf9fa1b3e441f87fa8a052ce1be628ae65116d5b2953cdc8117dce57e86475a75412b1a85f431eb0da6dd788ec5312d34ff71f9d1
SSDEEP 48:wvvv0PTgxfvvcPTgxfdvv0PTgxBvv0PTgxakvv0PTg7:mvMTgxvkTgp1vMTgPvMTgbvMTg7
MD5 SHA1 SHA512 SSDEEP

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memory/1332-137-0x0000000074DB0000-0x0000000075361000-memory.dmp

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memory/1332-138-0x0000000074DB0000-0x0000000075361000-memory.dmp

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memory/2000-130-0x0000000074DB0000-0x0000000075361000-memory.dmp

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memory/2000-131-0x0000000074DB0000-0x0000000075361000-memory.dmp

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memory/2000-136-0x0000000074DB0000-0x0000000075361000-memory.dmp

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memory/2376-140-0x0000000000400000-0x000000000045C000-memory.dmp

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memory/2376-142-0x0000000000400000-0x000000000045C000-memory.dmp

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memory/2376-143-0x0000000000400000-0x000000000045C000-memory.dmp

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memory/2376-144-0x0000000000400000-0x000000000045C000-memory.dmp

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memory/5056-147-0x0000000000400000-0x000000000041C000-memory.dmp

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memory/5056-149-0x0000000000400000-0x000000000041C000-memory.dmp

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memory/5056-150-0x0000000000400000-0x000000000041C000-memory.dmp

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memory/5056-151-0x0000000000400000-0x000000000041C000-memory.dmp

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