01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885

Analysis

max time kernel
93s
max time network
57s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
23-05-2022 17:00

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General

Target

01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe
Size

621KB
MD5

ac0b6e5529a299800dc7f09d96c34d88
SHA1

888eb6ec8aacad0802568bab4a8734f8c1fb2b6d
SHA256

01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885
SHA512

db5bc206393cb6955a2d425ce1cd1cfc2b965101e8b34c16336ad29e4c5f63e51f03d0628ee7a717b30b9482891d8d75f4a383e7ddeb1bf4d86e243a5bcbc7cf

Score

10^/10

collection persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "\"C:\\Users\\Admin\\AppData\\Roaming\\Snqejpe2Z34fPqWQ\\fLBvJDKSogY1.exe\",explorer.exe"	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe

NirSoft MailPassView 3 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral2/memory/4764-145-0x0000000000400000-0x000000000041C000-memory.dmp	MailPassView
behavioral2/memory/4764-143-0x0000000000400000-0x000000000041C000-memory.dmp	MailPassView
behavioral2/memory/4764-146-0x0000000000400000-0x000000000041C000-memory.dmp	MailPassView

Nirsoft 3 IoCs

resource	yara_rule
behavioral2/memory/4764-145-0x0000000000400000-0x000000000041C000-memory.dmp	Nirsoft
behavioral2/memory/4764-143-0x0000000000400000-0x000000000041C000-memory.dmp	Nirsoft
behavioral2/memory/4764-146-0x0000000000400000-0x000000000041C000-memory.dmp	Nirsoft

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 2896 set thread context of 1296	2896	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe	82
PID 1296 set thread context of 4608	1296	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe	86
PID 1296 set thread context of 4764	1296	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe	88

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4656	2896	WerFault.exe	16

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
2896	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe
2896	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe
2896	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe
2896	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe
2896	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe
2896	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe
2896	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe
2896	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe
2896	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe
2896	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe
2896	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe
4608	vbc.exe
4608	vbc.exe
4608	vbc.exe
4608	vbc.exe
4608	vbc.exe
4608	vbc.exe
4608	vbc.exe
4608	vbc.exe
4608	vbc.exe
4608	vbc.exe
4608	vbc.exe
4608	vbc.exe
1296	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe
1296	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2896	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe
Token: SeDebugPrivilege	2896	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe
Token: SeDebugPrivilege	1296	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1296	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 2896 wrote to memory of 4144	2896	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe	85
PID 2896 wrote to memory of 4144	2896	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe	85
PID 2896 wrote to memory of 4144	2896	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe	85
PID 2896 wrote to memory of 4812	2896	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe	84
PID 2896 wrote to memory of 4812	2896	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe	84
PID 2896 wrote to memory of 4812	2896	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe	84
PID 2896 wrote to memory of 1296	2896	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe	82
PID 2896 wrote to memory of 1296	2896	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe	82
PID 2896 wrote to memory of 1296	2896	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe	82
PID 2896 wrote to memory of 1296	2896	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe	82
PID 2896 wrote to memory of 1296	2896	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe	82
PID 2896 wrote to memory of 1296	2896	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe	82
PID 2896 wrote to memory of 1296	2896	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe	82
PID 2896 wrote to memory of 1296	2896	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe	82
PID 1296 wrote to memory of 4608	1296	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe	86
PID 1296 wrote to memory of 4608	1296	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe	86
PID 1296 wrote to memory of 4608	1296	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe	86
PID 1296 wrote to memory of 4608	1296	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe	86
PID 1296 wrote to memory of 4608	1296	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe	86
PID 1296 wrote to memory of 4608	1296	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe	86
PID 1296 wrote to memory of 4608	1296	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe	86
PID 1296 wrote to memory of 4608	1296	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe	86
PID 1296 wrote to memory of 4608	1296	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe	86
PID 1296 wrote to memory of 4764	1296	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe	88
PID 1296 wrote to memory of 4764	1296	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe	88
PID 1296 wrote to memory of 4764	1296	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe	88
PID 1296 wrote to memory of 4764	1296	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe	88
PID 1296 wrote to memory of 4764	1296	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe	88
PID 1296 wrote to memory of 4764	1296	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe	88
PID 1296 wrote to memory of 4764	1296	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe	88
PID 1296 wrote to memory of 4764	1296	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe	88
PID 1296 wrote to memory of 4764	1296	01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe	88

C:\Users\Admin\AppData\Local\Temp\01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe
"C:\Users\Admin\AppData\Local\Temp\01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe"
1⤵
- Modifies WinLogon for persistence
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2896
- C:\Users\Admin\AppData\Local\Temp\01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe
  "C:\Users\Admin\AppData\Local\Temp\01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1296
- - 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\tmpB8E5.tmp"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:4608
- - 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\tmpCE52.tmp"
    3⤵
    - Accesses Microsoft Outlook accounts
    PID:4764
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2896 -s 1772
  2⤵
  - Program crash
  PID:4656
- C:\Users\Admin\AppData\Local\Temp\01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe
  "C:\Users\Admin\AppData\Local\Temp\01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe"
  2⤵
  PID:4812
- C:\Users\Admin\AppData\Local\Temp\01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe
  "C:\Users\Admin\AppData\Local\Temp\01fe2883e8a0611bbb7c6c93248f1606582c1a4cfc1c430d2749c5ac2b1f8885.exe"
  2⤵
  PID:4144

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2896 -ip 2896
1⤵
PID:4920

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

T1064

Persistence

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Scripting

T1064

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpB8E5.tmp

Filesize
4KB

MD5
92b3d04dbcf7aa8eabb0096c55624068

SHA1
04a3b14a8f16bdd8a67f1b5d6be8c3db79c766c7

SHA256
84e388e2bbff6a229d99df8d7e0558e46e793106c2f3bb290c6acc06fe31fe9c

SHA512
fbd6a298b66e2117f68028cdf9fa1b3e441f87fa8a052ce1be628ae65116d5b2953cdc8117dce57e86475a75412b1a85f431eb0da6dd788ec5312d34ff71f9d1

Download Submit
memory/1296-134-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/1296-135-0x0000000074DB0000-0x0000000075361000-memory.dmp

Filesize
5.7MB

Download
memory/2896-130-0x0000000074DB0000-0x0000000075361000-memory.dmp

Filesize
5.7MB

Download
memory/4608-140-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/4608-139-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/4608-137-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/4764-145-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4764-143-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4764-146-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download