1bce0a4fd09685b7e54576ffd391db45dc0e8092dea9a0628615bac9d40e98d2

Analysis

max time kernel
178s
max time network
192s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
07/06/2022, 17:32

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General

Target

1bce0a4fd09685b7e54576ffd391db45dc0e8092dea9a0628615bac9d40e98d2.exe
Size

950KB
MD5

6b3c742e228a064940d52592717aebc1
SHA1

1a2345fa154fbf19ae904e0b8975718395269ef4
SHA256

1bce0a4fd09685b7e54576ffd391db45dc0e8092dea9a0628615bac9d40e98d2
SHA512

f9c98aac9e39800d4549d02893c0a7bb1c5ec3401135510a394433b6a86b6c0d108e96ef5f90467de7fd3535e20070cd02847fb614fe8d4fbffcafbe81605859

Score

9^/10

collection

Malware Config

Signatures

NirSoft MailPassView 4 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral2/memory/4620-148-0x0000000000400000-0x000000000041C000-memory.dmp	MailPassView
behavioral2/memory/4620-150-0x0000000000400000-0x000000000041C000-memory.dmp	MailPassView
behavioral2/memory/4620-151-0x0000000000400000-0x000000000041C000-memory.dmp	MailPassView
behavioral2/memory/4620-152-0x0000000000400000-0x000000000041C000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 4 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral2/memory/396-141-0x0000000000400000-0x000000000045B000-memory.dmp	WebBrowserPassView
behavioral2/memory/396-143-0x0000000000400000-0x000000000045B000-memory.dmp	WebBrowserPassView
behavioral2/memory/396-144-0x0000000000400000-0x000000000045B000-memory.dmp	WebBrowserPassView
behavioral2/memory/396-145-0x0000000000400000-0x000000000045B000-memory.dmp	WebBrowserPassView

Nirsoft 8 IoCs

resource	yara_rule
behavioral2/memory/396-141-0x0000000000400000-0x000000000045B000-memory.dmp	Nirsoft
behavioral2/memory/396-143-0x0000000000400000-0x000000000045B000-memory.dmp	Nirsoft
behavioral2/memory/396-144-0x0000000000400000-0x000000000045B000-memory.dmp	Nirsoft
behavioral2/memory/396-145-0x0000000000400000-0x000000000045B000-memory.dmp	Nirsoft
behavioral2/memory/4620-148-0x0000000000400000-0x000000000041C000-memory.dmp	Nirsoft
behavioral2/memory/4620-150-0x0000000000400000-0x000000000041C000-memory.dmp	Nirsoft
behavioral2/memory/4620-151-0x0000000000400000-0x000000000041C000-memory.dmp	Nirsoft
behavioral2/memory/4620-152-0x0000000000400000-0x000000000041C000-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	1bce0a4fd09685b7e54576ffd391db45dc0e8092dea9a0628615bac9d40e98d2.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

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
46	bot.whatismyipaddress.com

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4744 set thread context of 3128	4744	1bce0a4fd09685b7e54576ffd391db45dc0e8092dea9a0628615bac9d40e98d2.exe	85
PID 3128 set thread context of 396	3128	1bce0a4fd09685b7e54576ffd391db45dc0e8092dea9a0628615bac9d40e98d2.exe	86
PID 3128 set thread context of 4620	3128	1bce0a4fd09685b7e54576ffd391db45dc0e8092dea9a0628615bac9d40e98d2.exe	87

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
2924	schtasks.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
396	vbc.exe
396	vbc.exe
396	vbc.exe
396	vbc.exe
396	vbc.exe
396	vbc.exe
396	vbc.exe
396	vbc.exe
396	vbc.exe
396	vbc.exe
396	vbc.exe
396	vbc.exe
3128	1bce0a4fd09685b7e54576ffd391db45dc0e8092dea9a0628615bac9d40e98d2.exe
3128	1bce0a4fd09685b7e54576ffd391db45dc0e8092dea9a0628615bac9d40e98d2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3128	1bce0a4fd09685b7e54576ffd391db45dc0e8092dea9a0628615bac9d40e98d2.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3128	1bce0a4fd09685b7e54576ffd391db45dc0e8092dea9a0628615bac9d40e98d2.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 4744 wrote to memory of 2924	4744	1bce0a4fd09685b7e54576ffd391db45dc0e8092dea9a0628615bac9d40e98d2.exe	83
PID 4744 wrote to memory of 2924	4744	1bce0a4fd09685b7e54576ffd391db45dc0e8092dea9a0628615bac9d40e98d2.exe	83
PID 4744 wrote to memory of 2924	4744	1bce0a4fd09685b7e54576ffd391db45dc0e8092dea9a0628615bac9d40e98d2.exe	83
PID 4744 wrote to memory of 3128	4744	1bce0a4fd09685b7e54576ffd391db45dc0e8092dea9a0628615bac9d40e98d2.exe	85
PID 4744 wrote to memory of 3128	4744	1bce0a4fd09685b7e54576ffd391db45dc0e8092dea9a0628615bac9d40e98d2.exe	85
PID 4744 wrote to memory of 3128	4744	1bce0a4fd09685b7e54576ffd391db45dc0e8092dea9a0628615bac9d40e98d2.exe	85
PID 4744 wrote to memory of 3128	4744	1bce0a4fd09685b7e54576ffd391db45dc0e8092dea9a0628615bac9d40e98d2.exe	85
PID 4744 wrote to memory of 3128	4744	1bce0a4fd09685b7e54576ffd391db45dc0e8092dea9a0628615bac9d40e98d2.exe	85
PID 4744 wrote to memory of 3128	4744	1bce0a4fd09685b7e54576ffd391db45dc0e8092dea9a0628615bac9d40e98d2.exe	85
PID 4744 wrote to memory of 3128	4744	1bce0a4fd09685b7e54576ffd391db45dc0e8092dea9a0628615bac9d40e98d2.exe	85
PID 4744 wrote to memory of 3128	4744	1bce0a4fd09685b7e54576ffd391db45dc0e8092dea9a0628615bac9d40e98d2.exe	85
PID 3128 wrote to memory of 396	3128	1bce0a4fd09685b7e54576ffd391db45dc0e8092dea9a0628615bac9d40e98d2.exe	86
PID 3128 wrote to memory of 396	3128	1bce0a4fd09685b7e54576ffd391db45dc0e8092dea9a0628615bac9d40e98d2.exe	86
PID 3128 wrote to memory of 396	3128	1bce0a4fd09685b7e54576ffd391db45dc0e8092dea9a0628615bac9d40e98d2.exe	86
PID 3128 wrote to memory of 396	3128	1bce0a4fd09685b7e54576ffd391db45dc0e8092dea9a0628615bac9d40e98d2.exe	86
PID 3128 wrote to memory of 396	3128	1bce0a4fd09685b7e54576ffd391db45dc0e8092dea9a0628615bac9d40e98d2.exe	86
PID 3128 wrote to memory of 396	3128	1bce0a4fd09685b7e54576ffd391db45dc0e8092dea9a0628615bac9d40e98d2.exe	86
PID 3128 wrote to memory of 396	3128	1bce0a4fd09685b7e54576ffd391db45dc0e8092dea9a0628615bac9d40e98d2.exe	86
PID 3128 wrote to memory of 396	3128	1bce0a4fd09685b7e54576ffd391db45dc0e8092dea9a0628615bac9d40e98d2.exe	86
PID 3128 wrote to memory of 396	3128	1bce0a4fd09685b7e54576ffd391db45dc0e8092dea9a0628615bac9d40e98d2.exe	86
PID 3128 wrote to memory of 4620	3128	1bce0a4fd09685b7e54576ffd391db45dc0e8092dea9a0628615bac9d40e98d2.exe	87
PID 3128 wrote to memory of 4620	3128	1bce0a4fd09685b7e54576ffd391db45dc0e8092dea9a0628615bac9d40e98d2.exe	87
PID 3128 wrote to memory of 4620	3128	1bce0a4fd09685b7e54576ffd391db45dc0e8092dea9a0628615bac9d40e98d2.exe	87
PID 3128 wrote to memory of 4620	3128	1bce0a4fd09685b7e54576ffd391db45dc0e8092dea9a0628615bac9d40e98d2.exe	87
PID 3128 wrote to memory of 4620	3128	1bce0a4fd09685b7e54576ffd391db45dc0e8092dea9a0628615bac9d40e98d2.exe	87
PID 3128 wrote to memory of 4620	3128	1bce0a4fd09685b7e54576ffd391db45dc0e8092dea9a0628615bac9d40e98d2.exe	87
PID 3128 wrote to memory of 4620	3128	1bce0a4fd09685b7e54576ffd391db45dc0e8092dea9a0628615bac9d40e98d2.exe	87
PID 3128 wrote to memory of 4620	3128	1bce0a4fd09685b7e54576ffd391db45dc0e8092dea9a0628615bac9d40e98d2.exe	87
PID 3128 wrote to memory of 4620	3128	1bce0a4fd09685b7e54576ffd391db45dc0e8092dea9a0628615bac9d40e98d2.exe	87

C:\Users\Admin\AppData\Local\Temp\1bce0a4fd09685b7e54576ffd391db45dc0e8092dea9a0628615bac9d40e98d2.exe
"C:\Users\Admin\AppData\Local\Temp\1bce0a4fd09685b7e54576ffd391db45dc0e8092dea9a0628615bac9d40e98d2.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4744
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\btZrhY" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE6B6.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2924
- C:\Users\Admin\AppData\Local\Temp\1bce0a4fd09685b7e54576ffd391db45dc0e8092dea9a0628615bac9d40e98d2.exe
  "C:\Users\Admin\AppData\Local\Temp\1bce0a4fd09685b7e54576ffd391db45dc0e8092dea9a0628615bac9d40e98d2.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3128
- - 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\tmp3A26.tmp"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:396
- - 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\tmp4264.tmp"
    3⤵
    - Accesses Microsoft Outlook accounts
    PID:4620

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\1bce0a4fd09685b7e54576ffd391db45dc0e8092dea9a0628615bac9d40e98d2.exe.log

Filesize
500B

MD5
f3bfbe5958adfc86cc0ea0a8317ea113

SHA1
3bf76848af2edafcacee5f9fb6a06b35a6724015

SHA256
598715cafd950c881e4fe318430b5830e95781f2093baa22f124cfad03320874

SHA512
873fb9861d615ec3298ccba8231ea3f2a22f2050fe68fea1a6948987942c04f6b40f0b92d5e59f6971cdb429b67877ac2e3cfc953949a0140e03c6cdb8a1139d

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp3A26.tmp

Filesize
4KB

MD5
92b3d04dbcf7aa8eabb0096c55624068

SHA1
04a3b14a8f16bdd8a67f1b5d6be8c3db79c766c7

SHA256
84e388e2bbff6a229d99df8d7e0558e46e793106c2f3bb290c6acc06fe31fe9c

SHA512
fbd6a298b66e2117f68028cdf9fa1b3e441f87fa8a052ce1be628ae65116d5b2953cdc8117dce57e86475a75412b1a85f431eb0da6dd788ec5312d34ff71f9d1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE6B6.tmp

Filesize
1KB

MD5
c1c2c6ee468abe901ecafeb10758bcd4

SHA1
336700e8fdf705966970364b708b98620ba1b3e1

SHA256
13724eec6dbd73c10f0f284bc3720a9bb9372bdcb5c5bfbe8625656caa1c015d

SHA512
4c0d22dd9097ecaddc0235e6dc1c3b322d7892f5c0f015375fb535cb0c583b6d9b4d6e20574b9f69734b0999ab7bf55839aeb2069f8766b0b970c34cf8ff6288

Download Submit
memory/396-141-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/396-145-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/396-144-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/396-143-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/3128-139-0x0000000074D80000-0x0000000075331000-memory.dmp

Filesize
5.7MB

Download
memory/3128-138-0x0000000074D80000-0x0000000075331000-memory.dmp

Filesize
5.7MB

Download
memory/4620-148-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4620-150-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4620-151-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4620-152-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4744-130-0x0000000074D80000-0x0000000075331000-memory.dmp

Filesize
5.7MB

Download
memory/4744-137-0x0000000074D80000-0x0000000075331000-memory.dmp

Filesize
5.7MB

Download
memory/4744-131-0x0000000074D80000-0x0000000075331000-memory.dmp

Filesize
5.7MB

Download