384c5d99a6f0aa725ef0eeb276ed09c294ab862f6d33b150c8ae46fe5c498106

Analysis

max time kernel
134s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
25/06/2022, 20:29

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General

Target

384c5d99a6f0aa725ef0eeb276ed09c294ab862f6d33b150c8ae46fe5c498106.exe
Size

1.1MB
MD5

86f00aea35a44ee5effb7f8d9766f55d
SHA1

e2b1a4d348c0d70e38f26a49d3b7c164a81f0db7
SHA256

384c5d99a6f0aa725ef0eeb276ed09c294ab862f6d33b150c8ae46fe5c498106
SHA512

04000df06f7578a6d9eed12bce5e9f252749baf841946becb2f9fd69a28aaba96ccbe96555779d8f33c5d1b9ba16ab63bec9378d7560f3c723e0be9d51ab9eb6

Score

9^/10

collection

Malware Config

Signatures

NirSoft MailPassView 3 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral2/memory/1440-147-0x0000000000400000-0x000000000041C000-memory.dmp	MailPassView
behavioral2/memory/1440-149-0x0000000000400000-0x000000000041C000-memory.dmp	MailPassView
behavioral2/memory/1440-150-0x0000000000400000-0x000000000041C000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 4 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral2/memory/1936-140-0x0000000000400000-0x000000000045B000-memory.dmp	WebBrowserPassView
behavioral2/memory/1936-142-0x0000000000400000-0x000000000045B000-memory.dmp	WebBrowserPassView
behavioral2/memory/1936-143-0x0000000000400000-0x000000000045B000-memory.dmp	WebBrowserPassView
behavioral2/memory/1936-144-0x0000000000400000-0x000000000045B000-memory.dmp	WebBrowserPassView

Nirsoft 7 IoCs

resource	yara_rule
behavioral2/memory/1936-140-0x0000000000400000-0x000000000045B000-memory.dmp	Nirsoft
behavioral2/memory/1936-142-0x0000000000400000-0x000000000045B000-memory.dmp	Nirsoft
behavioral2/memory/1936-143-0x0000000000400000-0x000000000045B000-memory.dmp	Nirsoft
behavioral2/memory/1936-144-0x0000000000400000-0x000000000045B000-memory.dmp	Nirsoft
behavioral2/memory/1440-147-0x0000000000400000-0x000000000041C000-memory.dmp	Nirsoft
behavioral2/memory/1440-149-0x0000000000400000-0x000000000041C000-memory.dmp	Nirsoft
behavioral2/memory/1440-150-0x0000000000400000-0x000000000041C000-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-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	384c5d99a6f0aa725ef0eeb276ed09c294ab862f6d33b150c8ae46fe5c498106.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-1-5-21-1809750270-3141839489-3074374771-1000\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
52	bot.whatismyipaddress.com

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4300 set thread context of 5116	4300	384c5d99a6f0aa725ef0eeb276ed09c294ab862f6d33b150c8ae46fe5c498106.exe	93
PID 5116 set thread context of 1936	5116	RegAsm.exe	96
PID 5116 set thread context of 1440	5116	RegAsm.exe	97

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
3692	schtasks.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
4300	384c5d99a6f0aa725ef0eeb276ed09c294ab862f6d33b150c8ae46fe5c498106.exe
4300	384c5d99a6f0aa725ef0eeb276ed09c294ab862f6d33b150c8ae46fe5c498106.exe
1936	vbc.exe
1936	vbc.exe
1936	vbc.exe
1936	vbc.exe
1936	vbc.exe
1936	vbc.exe
1936	vbc.exe
1936	vbc.exe
1936	vbc.exe
1936	vbc.exe
1936	vbc.exe
1936	vbc.exe
5116	RegAsm.exe
5116	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4300	384c5d99a6f0aa725ef0eeb276ed09c294ab862f6d33b150c8ae46fe5c498106.exe
Token: SeDebugPrivilege	5116	RegAsm.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5116	RegAsm.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 4300 wrote to memory of 3692	4300	384c5d99a6f0aa725ef0eeb276ed09c294ab862f6d33b150c8ae46fe5c498106.exe	91
PID 4300 wrote to memory of 3692	4300	384c5d99a6f0aa725ef0eeb276ed09c294ab862f6d33b150c8ae46fe5c498106.exe	91
PID 4300 wrote to memory of 3692	4300	384c5d99a6f0aa725ef0eeb276ed09c294ab862f6d33b150c8ae46fe5c498106.exe	91
PID 4300 wrote to memory of 5116	4300	384c5d99a6f0aa725ef0eeb276ed09c294ab862f6d33b150c8ae46fe5c498106.exe	93
PID 4300 wrote to memory of 5116	4300	384c5d99a6f0aa725ef0eeb276ed09c294ab862f6d33b150c8ae46fe5c498106.exe	93
PID 4300 wrote to memory of 5116	4300	384c5d99a6f0aa725ef0eeb276ed09c294ab862f6d33b150c8ae46fe5c498106.exe	93
PID 4300 wrote to memory of 5116	4300	384c5d99a6f0aa725ef0eeb276ed09c294ab862f6d33b150c8ae46fe5c498106.exe	93
PID 4300 wrote to memory of 5116	4300	384c5d99a6f0aa725ef0eeb276ed09c294ab862f6d33b150c8ae46fe5c498106.exe	93
PID 4300 wrote to memory of 5116	4300	384c5d99a6f0aa725ef0eeb276ed09c294ab862f6d33b150c8ae46fe5c498106.exe	93
PID 4300 wrote to memory of 5116	4300	384c5d99a6f0aa725ef0eeb276ed09c294ab862f6d33b150c8ae46fe5c498106.exe	93
PID 4300 wrote to memory of 5116	4300	384c5d99a6f0aa725ef0eeb276ed09c294ab862f6d33b150c8ae46fe5c498106.exe	93
PID 5116 wrote to memory of 1936	5116	RegAsm.exe	96
PID 5116 wrote to memory of 1936	5116	RegAsm.exe	96
PID 5116 wrote to memory of 1936	5116	RegAsm.exe	96
PID 5116 wrote to memory of 1936	5116	RegAsm.exe	96
PID 5116 wrote to memory of 1936	5116	RegAsm.exe	96
PID 5116 wrote to memory of 1936	5116	RegAsm.exe	96
PID 5116 wrote to memory of 1936	5116	RegAsm.exe	96
PID 5116 wrote to memory of 1936	5116	RegAsm.exe	96
PID 5116 wrote to memory of 1936	5116	RegAsm.exe	96
PID 5116 wrote to memory of 1440	5116	RegAsm.exe	97
PID 5116 wrote to memory of 1440	5116	RegAsm.exe	97
PID 5116 wrote to memory of 1440	5116	RegAsm.exe	97
PID 5116 wrote to memory of 1440	5116	RegAsm.exe	97
PID 5116 wrote to memory of 1440	5116	RegAsm.exe	97
PID 5116 wrote to memory of 1440	5116	RegAsm.exe	97
PID 5116 wrote to memory of 1440	5116	RegAsm.exe	97
PID 5116 wrote to memory of 1440	5116	RegAsm.exe	97
PID 5116 wrote to memory of 1440	5116	RegAsm.exe	97

C:\Users\Admin\AppData\Local\Temp\384c5d99a6f0aa725ef0eeb276ed09c294ab862f6d33b150c8ae46fe5c498106.exe
"C:\Users\Admin\AppData\Local\Temp\384c5d99a6f0aa725ef0eeb276ed09c294ab862f6d33b150c8ae46fe5c498106.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4300
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EmceDuYQyc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp99A0.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3692
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:5116
- - 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\tmpC98A.tmp"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:1936
- - 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\tmpCDB1.tmp"
    3⤵
    - Accesses Microsoft Outlook accounts
    PID:1440

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\Temp\tmp99A0.tmp

Filesize
1KB

MD5
d77df18af916bf7cbcce578ae623c94e

SHA1
b18fb459f7bdb3375bba7f7c5f07cfbb6f60a430

SHA256
9d46e8e2405f51d94310ca1243e8cc453f45394d081168d29a05db45eb796f51

SHA512
5fbb332fc62a6f1885d66b789f06e79373e5554798380d9080521a8b838477456cef22b4fcd0b013dae06eabc3a9a35706a2b3410cb2020288b28aa0310ea08d

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC98A.tmp

Filesize
4KB

MD5
bdf65f70610625cc771c5cc7ce168c7d

SHA1
a8829b1c071ed0521d11925a98468c12a53a03b8

SHA256
b66236dd86f140ca02db0c296e45032b272de2895c4f047a562e73bc8395dba5

SHA512
add2db50b0440b07ecc48a5fde7f0b72e84b76f11ea060944afa28ddd03791e6adb3bfca704254131fb3f591f484b37f7276fab96b0c4776a27cb526bcf5f3a4

Download Submit
memory/1440-150-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1440-149-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1440-147-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1936-144-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/1936-140-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/1936-142-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/1936-143-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/4300-130-0x0000000074AF0000-0x00000000750A1000-memory.dmp

Filesize
5.7MB

Download
memory/4300-137-0x0000000074AF0000-0x00000000750A1000-memory.dmp

Filesize
5.7MB

Download
memory/4300-131-0x0000000074AF0000-0x00000000750A1000-memory.dmp

Filesize
5.7MB

Download
memory/5116-138-0x0000000074AF0000-0x00000000750A1000-memory.dmp

Filesize
5.7MB

Download
memory/5116-136-0x0000000074AF0000-0x00000000750A1000-memory.dmp

Filesize
5.7MB

Download