83b2ee96940a6d6fc8f1ee0064cafd17abb9db05e89e1cdb4e207ca2987c2f1d

General

Target

83b2ee96940a6d6fc8f1ee0064cafd17abb9db05e89e1cdb4e207ca2987c2f1d.exe
Size

966KB
MD5

f894cd4217838c01eb188e0e6c02a162
SHA1

05ff59b6ff17fdd1d8ce9c1e14346dc93a382ee1
SHA256

83b2ee96940a6d6fc8f1ee0064cafd17abb9db05e89e1cdb4e207ca2987c2f1d
SHA512

da93bed4ab8cc145e4c60c69b2fc148b2dde9a221791874ff0afbcd7518cbabca90f6f0fc0df134e52f395ca3f9d12e5348f51c6f259db6ce6a1150eed48bba9
SSDEEP

24576:j7CIrr0eIp7RYDT18UJaerBvhcPILrrq2tkyzMhGGk:3CWIp7RYCxe1vKPg5kycv

Score

9^/10

collection persistence spyware stealer

Malware Config

Signatures

NirSoft MailPassView 5 IoCs

Password recovery tool for various email clients

Processes:

resource	yara_rule
behavioral1/memory/1516-97-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral1/memory/1516-98-0x0000000000411654-mapping.dmp	MailPassView
behavioral1/memory/1516-101-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral1/memory/1516-102-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral1/memory/1516-103-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView

Nirsoft 9 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1636-83-0x000000000040E758-mapping.dmp	Nirsoft
behavioral1/memory/1636-82-0x0000000000400000-0x0000000000418000-memory.dmp	Nirsoft
behavioral1/memory/1636-86-0x0000000000400000-0x0000000000418000-memory.dmp	Nirsoft
behavioral1/memory/1636-87-0x0000000000400000-0x0000000000418000-memory.dmp	Nirsoft
behavioral1/memory/1516-97-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/1516-98-0x0000000000411654-mapping.dmp	Nirsoft
behavioral1/memory/1516-101-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/1516-102-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/1516-103-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft

Executes dropped EXE 1 IoCs

Processes:

tmp.exe

pid process

592 tmp.exe

pid	process
592	tmp.exe

Drops startup file 2 IoCs

Processes:

cmd.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\tmp.exe	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\tmp.exe	cmd.exe

Loads dropped DLL 3 IoCs

Processes:

83b2ee96940a6d6fc8f1ee0064cafd17abb9db05e89e1cdb4e207ca2987c2f1d.exedw20.exe

pid	process
1408	83b2ee96940a6d6fc8f1ee0064cafd17abb9db05e89e1cdb4e207ca2987c2f1d.exe
1408	83b2ee96940a6d6fc8f1ee0064cafd17abb9db05e89e1cdb4e207ca2987c2f1d.exe
1460	dw20.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

Processes:

vbc.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	vbc.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\Example = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Antivirus.exe"	reg.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.

Processes:

flow ioc

6 bot.whatismyipaddress.com
Suspicious use of SetThreadContext 2 IoCs

Processes:

tmp.exe

description pid process target process

PID 592 set thread context of 1636 592 tmp.exe vbc.exe
PID 592 set thread context of 1516 592 tmp.exe vbc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

83b2ee96940a6d6fc8f1ee0064cafd17abb9db05e89e1cdb4e207ca2987c2f1d.exe

pid process

1408 83b2ee96940a6d6fc8f1ee0064cafd17abb9db05e89e1cdb4e207ca2987c2f1d.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

tmp.exe

pid process

592 tmp.exe

flow	ioc
6	bot.whatismyipaddress.com

description	pid	process	target process
PID 592 set thread context of 1636	592	tmp.exe	vbc.exe
PID 592 set thread context of 1516	592	tmp.exe	vbc.exe

pid	process
592	tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

83b2ee96940a6d6fc8f1ee0064cafd17abb9db05e89e1cdb4e207ca2987c2f1d.exetmp.exe

description	pid	process
Token: SeDebugPrivilege	1408	83b2ee96940a6d6fc8f1ee0064cafd17abb9db05e89e1cdb4e207ca2987c2f1d.exe
Token: SeDebugPrivilege	592	tmp.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

tmp.exe

pid process

592 tmp.exe
592 tmp.exe

pid	process
592	tmp.exe
592	tmp.exe

Suspicious use of WriteProcessMemory 44 IoCs

Processes:

83b2ee96940a6d6fc8f1ee0064cafd17abb9db05e89e1cdb4e207ca2987c2f1d.exetmp.execmd.exe

description	pid	process	target process
PID 1408 wrote to memory of 592	1408	83b2ee96940a6d6fc8f1ee0064cafd17abb9db05e89e1cdb4e207ca2987c2f1d.exe	tmp.exe
PID 1408 wrote to memory of 592	1408	83b2ee96940a6d6fc8f1ee0064cafd17abb9db05e89e1cdb4e207ca2987c2f1d.exe	tmp.exe
PID 1408 wrote to memory of 592	1408	83b2ee96940a6d6fc8f1ee0064cafd17abb9db05e89e1cdb4e207ca2987c2f1d.exe	tmp.exe
PID 1408 wrote to memory of 592	1408	83b2ee96940a6d6fc8f1ee0064cafd17abb9db05e89e1cdb4e207ca2987c2f1d.exe	tmp.exe
PID 1408 wrote to memory of 1648	1408	83b2ee96940a6d6fc8f1ee0064cafd17abb9db05e89e1cdb4e207ca2987c2f1d.exe	83b2ee96940a6d6fc8f1ee0064cafd17abb9db05e89e1cdb4e207ca2987c2f1d.exe
PID 1408 wrote to memory of 1648	1408	83b2ee96940a6d6fc8f1ee0064cafd17abb9db05e89e1cdb4e207ca2987c2f1d.exe	83b2ee96940a6d6fc8f1ee0064cafd17abb9db05e89e1cdb4e207ca2987c2f1d.exe
PID 1408 wrote to memory of 1648	1408	83b2ee96940a6d6fc8f1ee0064cafd17abb9db05e89e1cdb4e207ca2987c2f1d.exe	83b2ee96940a6d6fc8f1ee0064cafd17abb9db05e89e1cdb4e207ca2987c2f1d.exe
PID 1408 wrote to memory of 1648	1408	83b2ee96940a6d6fc8f1ee0064cafd17abb9db05e89e1cdb4e207ca2987c2f1d.exe	83b2ee96940a6d6fc8f1ee0064cafd17abb9db05e89e1cdb4e207ca2987c2f1d.exe
PID 592 wrote to memory of 1720	592	tmp.exe	cmd.exe
PID 592 wrote to memory of 1720	592	tmp.exe	cmd.exe
PID 592 wrote to memory of 1720	592	tmp.exe	cmd.exe
PID 592 wrote to memory of 1720	592	tmp.exe	cmd.exe
PID 592 wrote to memory of 900	592	tmp.exe	cmd.exe
PID 592 wrote to memory of 900	592	tmp.exe	cmd.exe
PID 592 wrote to memory of 900	592	tmp.exe	cmd.exe
PID 592 wrote to memory of 900	592	tmp.exe	cmd.exe
PID 900 wrote to memory of 664	900	cmd.exe	reg.exe
PID 900 wrote to memory of 664	900	cmd.exe	reg.exe
PID 900 wrote to memory of 664	900	cmd.exe	reg.exe
PID 900 wrote to memory of 664	900	cmd.exe	reg.exe
PID 592 wrote to memory of 1460	592	tmp.exe	dw20.exe
PID 592 wrote to memory of 1460	592	tmp.exe	dw20.exe
PID 592 wrote to memory of 1460	592	tmp.exe	dw20.exe
PID 592 wrote to memory of 1460	592	tmp.exe	dw20.exe
PID 592 wrote to memory of 1636	592	tmp.exe	vbc.exe
PID 592 wrote to memory of 1636	592	tmp.exe	vbc.exe
PID 592 wrote to memory of 1636	592	tmp.exe	vbc.exe
PID 592 wrote to memory of 1636	592	tmp.exe	vbc.exe
PID 592 wrote to memory of 1636	592	tmp.exe	vbc.exe
PID 592 wrote to memory of 1636	592	tmp.exe	vbc.exe
PID 592 wrote to memory of 1636	592	tmp.exe	vbc.exe
PID 592 wrote to memory of 1636	592	tmp.exe	vbc.exe
PID 592 wrote to memory of 1636	592	tmp.exe	vbc.exe
PID 592 wrote to memory of 1636	592	tmp.exe	vbc.exe
PID 592 wrote to memory of 1516	592	tmp.exe	vbc.exe
PID 592 wrote to memory of 1516	592	tmp.exe	vbc.exe
PID 592 wrote to memory of 1516	592	tmp.exe	vbc.exe
PID 592 wrote to memory of 1516	592	tmp.exe	vbc.exe
PID 592 wrote to memory of 1516	592	tmp.exe	vbc.exe
PID 592 wrote to memory of 1516	592	tmp.exe	vbc.exe
PID 592 wrote to memory of 1516	592	tmp.exe	vbc.exe
PID 592 wrote to memory of 1516	592	tmp.exe	vbc.exe
PID 592 wrote to memory of 1516	592	tmp.exe	vbc.exe
PID 592 wrote to memory of 1516	592	tmp.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\83b2ee96940a6d6fc8f1ee0064cafd17abb9db05e89e1cdb4e207ca2987c2f1d.exe
"C:\Users\Admin\AppData\Local\Temp\83b2ee96940a6d6fc8f1ee0064cafd17abb9db05e89e1cdb4e207ca2987c2f1d.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1408

C:\Users\Admin\AppData\Roaming\tmp.exe
"C:\Users\Admin\AppData\Roaming\tmp.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:592

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c copy /z "C:\Users\Admin\AppData\Roaming\tmp.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\tmp.exe"
3⤵
- Drops startup file
PID:1720

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "Example" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\Antivirus.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:900

C:\Windows\SysWOW64\reg.exe
reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "Example" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\Antivirus.exe
4⤵
- Adds Run key to start application
PID:664

C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
dw20.exe -x -s 1692
3⤵
- Loads dropped DLL
PID:1460

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\logff.txt
3⤵
PID:1636

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\logmail.txt
3⤵
- Accesses Microsoft Outlook accounts
PID:1516

C:\Users\Admin\AppData\Local\Temp\83b2ee96940a6d6fc8f1ee0064cafd17abb9db05e89e1cdb4e207ca2987c2f1d.exe
C:\Users\Admin\AppData\Local\Temp\83b2ee96940a6d6fc8f1ee0064cafd17abb9db05e89e1cdb4e207ca2987c2f1d.exe
2⤵
PID:1648

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Scripting

1

T1064

Modify Registry

1

T1112

Credential Access

Credentials in Files

2

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\logff.txt
Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
C:\Users\Admin\AppData\Roaming\tmp.exe
Filesize
444KB

MD5
c12a419d275e047fbf4e022099d19c70

SHA1
76d1105ddc3898c11f662f3ec32108532a4d3741

SHA256
6aa841156ff4c12da3ace285ac4ceb388cebe54a9332803e521519e448c18180

SHA512
10fffafcd1a004a8650c0362469a52a24191372aafa64e696f44923c7d9f156197970917926b343d90fedb15b56838d840482d7ae5d9942768efcd0315568b9d

Download Submit
C:\Users\Admin\AppData\Roaming\tmp.exe
Filesize
444KB

MD5
c12a419d275e047fbf4e022099d19c70

SHA1
76d1105ddc3898c11f662f3ec32108532a4d3741

SHA256
6aa841156ff4c12da3ace285ac4ceb388cebe54a9332803e521519e448c18180

SHA512
10fffafcd1a004a8650c0362469a52a24191372aafa64e696f44923c7d9f156197970917926b343d90fedb15b56838d840482d7ae5d9942768efcd0315568b9d

Download Submit
\Users\Admin\AppData\Roaming\tmp.exe
Filesize
444KB

MD5
c12a419d275e047fbf4e022099d19c70

SHA1
76d1105ddc3898c11f662f3ec32108532a4d3741

SHA256
6aa841156ff4c12da3ace285ac4ceb388cebe54a9332803e521519e448c18180

SHA512
10fffafcd1a004a8650c0362469a52a24191372aafa64e696f44923c7d9f156197970917926b343d90fedb15b56838d840482d7ae5d9942768efcd0315568b9d

Download Submit
\Users\Admin\AppData\Roaming\tmp.exe
Filesize
444KB

MD5
c12a419d275e047fbf4e022099d19c70

SHA1
76d1105ddc3898c11f662f3ec32108532a4d3741

SHA256
6aa841156ff4c12da3ace285ac4ceb388cebe54a9332803e521519e448c18180

SHA512
10fffafcd1a004a8650c0362469a52a24191372aafa64e696f44923c7d9f156197970917926b343d90fedb15b56838d840482d7ae5d9942768efcd0315568b9d

Download Submit
\Users\Admin\AppData\Roaming\tmp.exe
Filesize
444KB

MD5
c12a419d275e047fbf4e022099d19c70

SHA1
76d1105ddc3898c11f662f3ec32108532a4d3741

SHA256
6aa841156ff4c12da3ace285ac4ceb388cebe54a9332803e521519e448c18180

SHA512
10fffafcd1a004a8650c0362469a52a24191372aafa64e696f44923c7d9f156197970917926b343d90fedb15b56838d840482d7ae5d9942768efcd0315568b9d

Download Submit
memory/592-64-0x0000000074190000-0x000000007473B000-memory.dmp

Filesize
5.7MB

Download
memory/592-59-0x0000000000000000-mapping.dmp

Download
memory/592-68-0x0000000002115000-0x0000000002126000-memory.dmp

Filesize
68KB

Download
memory/592-72-0x0000000074190000-0x000000007473B000-memory.dmp

Filesize
5.7MB

Download
memory/592-73-0x0000000002115000-0x0000000002126000-memory.dmp

Filesize
68KB

Download
memory/664-67-0x0000000000000000-mapping.dmp

Download
memory/900-66-0x0000000000000000-mapping.dmp

Download
memory/1408-55-0x0000000074190000-0x000000007473B000-memory.dmp

Filesize
5.7MB

Download
memory/1408-63-0x0000000074190000-0x000000007473B000-memory.dmp

Filesize
5.7MB

Download
memory/1408-54-0x0000000075F21000-0x0000000075F23000-memory.dmp

Filesize
8KB

Download
memory/1408-56-0x0000000074190000-0x000000007473B000-memory.dmp

Filesize
5.7MB

Download
memory/1460-69-0x0000000000000000-mapping.dmp

Download
memory/1516-89-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1516-90-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1516-103-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1516-102-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1516-101-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1516-98-0x0000000000411654-mapping.dmp

Download
memory/1516-97-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1516-95-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1516-94-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1516-92-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1636-83-0x000000000040E758-mapping.dmp

Download
memory/1636-74-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1636-87-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1636-86-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1636-82-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1636-75-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1636-80-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1636-79-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1636-77-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1720-65-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads