075b515824de45bbebe2b0628f13e43610153e61b856e574e8c74f932252646f

Analysis

max time kernel
152s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
25-05-2022 01:13

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General

Target

075b515824de45bbebe2b0628f13e43610153e61b856e574e8c74f932252646f.exe
Size

780KB
MD5

0e50f51a99fddf6f80bbd0e400878953
SHA1

eaa2ee583be2aa1f811606560a33185108e1ce5b
SHA256

075b515824de45bbebe2b0628f13e43610153e61b856e574e8c74f932252646f
SHA512

423bffac9448bd026309f0cbdf184347b856cfe0056df4749ec29b29bc3af8d3c2ade099e5b9bd2f7f61477aa5debdf3524bef3ea3ac5d90d7f5567f63edc639

Score

9^/10

collection

Malware Config

Signatures

NirSoft MailPassView 3 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral2/memory/4604-144-0x0000000000400000-0x000000000041C000-memory.dmp	MailPassView
behavioral2/memory/4604-146-0x0000000000400000-0x000000000041C000-memory.dmp	MailPassView
behavioral2/memory/4604-147-0x0000000000400000-0x000000000041C000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 3 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral2/memory/4168-138-0x0000000000400000-0x000000000045B000-memory.dmp	WebBrowserPassView
behavioral2/memory/4168-140-0x0000000000400000-0x000000000045B000-memory.dmp	WebBrowserPassView
behavioral2/memory/4168-141-0x0000000000400000-0x000000000045B000-memory.dmp	WebBrowserPassView

Nirsoft 6 IoCs

resource	yara_rule
behavioral2/memory/4168-138-0x0000000000400000-0x000000000045B000-memory.dmp	Nirsoft
behavioral2/memory/4168-140-0x0000000000400000-0x000000000045B000-memory.dmp	Nirsoft
behavioral2/memory/4168-141-0x0000000000400000-0x000000000045B000-memory.dmp	Nirsoft
behavioral2/memory/4604-144-0x0000000000400000-0x000000000041C000-memory.dmp	Nirsoft
behavioral2/memory/4604-146-0x0000000000400000-0x000000000041C000-memory.dmp	Nirsoft
behavioral2/memory/4604-147-0x0000000000400000-0x000000000041C000-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	075b515824de45bbebe2b0628f13e43610153e61b856e574e8c74f932252646f.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 2828 set thread context of 3148	2828	075b515824de45bbebe2b0628f13e43610153e61b856e574e8c74f932252646f.exe	88
PID 3148 set thread context of 4168	3148	075b515824de45bbebe2b0628f13e43610153e61b856e574e8c74f932252646f.exe	89
PID 3148 set thread context of 4604	3148	075b515824de45bbebe2b0628f13e43610153e61b856e574e8c74f932252646f.exe	90

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
2056	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
4168	vbc.exe
4168	vbc.exe
4168	vbc.exe
4168	vbc.exe
4168	vbc.exe
4168	vbc.exe
4168	vbc.exe
4168	vbc.exe
4168	vbc.exe
4168	vbc.exe
4168	vbc.exe
4168	vbc.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2828 wrote to memory of 2056	2828	075b515824de45bbebe2b0628f13e43610153e61b856e574e8c74f932252646f.exe	87
PID 2828 wrote to memory of 2056	2828	075b515824de45bbebe2b0628f13e43610153e61b856e574e8c74f932252646f.exe	87
PID 2828 wrote to memory of 2056	2828	075b515824de45bbebe2b0628f13e43610153e61b856e574e8c74f932252646f.exe	87
PID 2828 wrote to memory of 3148	2828	075b515824de45bbebe2b0628f13e43610153e61b856e574e8c74f932252646f.exe	88
PID 2828 wrote to memory of 3148	2828	075b515824de45bbebe2b0628f13e43610153e61b856e574e8c74f932252646f.exe	88
PID 2828 wrote to memory of 3148	2828	075b515824de45bbebe2b0628f13e43610153e61b856e574e8c74f932252646f.exe	88
PID 2828 wrote to memory of 3148	2828	075b515824de45bbebe2b0628f13e43610153e61b856e574e8c74f932252646f.exe	88
PID 2828 wrote to memory of 3148	2828	075b515824de45bbebe2b0628f13e43610153e61b856e574e8c74f932252646f.exe	88
PID 2828 wrote to memory of 3148	2828	075b515824de45bbebe2b0628f13e43610153e61b856e574e8c74f932252646f.exe	88
PID 2828 wrote to memory of 3148	2828	075b515824de45bbebe2b0628f13e43610153e61b856e574e8c74f932252646f.exe	88
PID 2828 wrote to memory of 3148	2828	075b515824de45bbebe2b0628f13e43610153e61b856e574e8c74f932252646f.exe	88
PID 3148 wrote to memory of 4168	3148	075b515824de45bbebe2b0628f13e43610153e61b856e574e8c74f932252646f.exe	89
PID 3148 wrote to memory of 4168	3148	075b515824de45bbebe2b0628f13e43610153e61b856e574e8c74f932252646f.exe	89
PID 3148 wrote to memory of 4168	3148	075b515824de45bbebe2b0628f13e43610153e61b856e574e8c74f932252646f.exe	89
PID 3148 wrote to memory of 4168	3148	075b515824de45bbebe2b0628f13e43610153e61b856e574e8c74f932252646f.exe	89
PID 3148 wrote to memory of 4168	3148	075b515824de45bbebe2b0628f13e43610153e61b856e574e8c74f932252646f.exe	89
PID 3148 wrote to memory of 4168	3148	075b515824de45bbebe2b0628f13e43610153e61b856e574e8c74f932252646f.exe	89
PID 3148 wrote to memory of 4168	3148	075b515824de45bbebe2b0628f13e43610153e61b856e574e8c74f932252646f.exe	89
PID 3148 wrote to memory of 4168	3148	075b515824de45bbebe2b0628f13e43610153e61b856e574e8c74f932252646f.exe	89
PID 3148 wrote to memory of 4168	3148	075b515824de45bbebe2b0628f13e43610153e61b856e574e8c74f932252646f.exe	89
PID 3148 wrote to memory of 4604	3148	075b515824de45bbebe2b0628f13e43610153e61b856e574e8c74f932252646f.exe	90
PID 3148 wrote to memory of 4604	3148	075b515824de45bbebe2b0628f13e43610153e61b856e574e8c74f932252646f.exe	90
PID 3148 wrote to memory of 4604	3148	075b515824de45bbebe2b0628f13e43610153e61b856e574e8c74f932252646f.exe	90
PID 3148 wrote to memory of 4604	3148	075b515824de45bbebe2b0628f13e43610153e61b856e574e8c74f932252646f.exe	90
PID 3148 wrote to memory of 4604	3148	075b515824de45bbebe2b0628f13e43610153e61b856e574e8c74f932252646f.exe	90
PID 3148 wrote to memory of 4604	3148	075b515824de45bbebe2b0628f13e43610153e61b856e574e8c74f932252646f.exe	90
PID 3148 wrote to memory of 4604	3148	075b515824de45bbebe2b0628f13e43610153e61b856e574e8c74f932252646f.exe	90
PID 3148 wrote to memory of 4604	3148	075b515824de45bbebe2b0628f13e43610153e61b856e574e8c74f932252646f.exe	90
PID 3148 wrote to memory of 4604	3148	075b515824de45bbebe2b0628f13e43610153e61b856e574e8c74f932252646f.exe	90

C:\Users\Admin\AppData\Local\Temp\075b515824de45bbebe2b0628f13e43610153e61b856e574e8c74f932252646f.exe
"C:\Users\Admin\AppData\Local\Temp\075b515824de45bbebe2b0628f13e43610153e61b856e574e8c74f932252646f.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2828
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UrBEsDtW" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAF0C.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2056
- C:\Users\Admin\AppData\Local\Temp\075b515824de45bbebe2b0628f13e43610153e61b856e574e8c74f932252646f.exe
  "C:\Users\Admin\AppData\Local\Temp\075b515824de45bbebe2b0628f13e43610153e61b856e574e8c74f932252646f.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:3148
- - 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\tmpF627.tmp"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:4168
- - 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\tmp128A.tmp"
    3⤵
    - Accesses Microsoft Outlook accounts
    PID:4604

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\075b515824de45bbebe2b0628f13e43610153e61b856e574e8c74f932252646f.exe.log

Filesize
500B

MD5
f3bfbe5958adfc86cc0ea0a8317ea113

SHA1
3bf76848af2edafcacee5f9fb6a06b35a6724015

SHA256
598715cafd950c881e4fe318430b5830e95781f2093baa22f124cfad03320874

SHA512
873fb9861d615ec3298ccba8231ea3f2a22f2050fe68fea1a6948987942c04f6b40f0b92d5e59f6971cdb429b67877ac2e3cfc953949a0140e03c6cdb8a1139d

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpAF0C.tmp

Filesize
1KB

MD5
ca2071fe177545c6cb09d6f755b23b0c

SHA1
a4bdd1670e2345a11390c4b185aba6939785a02f

SHA256
6c42b0fe8ddad12afabdf00ec6dc191be50ac8b82b3c2ce70b462479c4d855d9

SHA512
685d3118a861421fbf653f180e2f51c6937aea2c03758f37ef3439e6063f02aba15d5b6cff76f2f63da7c28920856a0c0af07bb5bc89581afe62dd6099f765c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF627.tmp

Filesize
4KB

MD5
92b3d04dbcf7aa8eabb0096c55624068

SHA1
04a3b14a8f16bdd8a67f1b5d6be8c3db79c766c7

SHA256
84e388e2bbff6a229d99df8d7e0558e46e793106c2f3bb290c6acc06fe31fe9c

SHA512
fbd6a298b66e2117f68028cdf9fa1b3e441f87fa8a052ce1be628ae65116d5b2953cdc8117dce57e86475a75412b1a85f431eb0da6dd788ec5312d34ff71f9d1

Download Submit
memory/2828-130-0x0000000074A60000-0x0000000075011000-memory.dmp

Filesize
5.7MB

Download
memory/3148-136-0x0000000074A60000-0x0000000075011000-memory.dmp

Filesize
5.7MB

Download
memory/4168-138-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/4168-141-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/4168-140-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/4604-144-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4604-146-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4604-147-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download