isrstealer | dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177

General

Target

dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe
Size

354KB
MD5

011d9b9101cd3cc5357460fdf4d3e404
SHA1

ffb3291b364779fcf585bcacaf62acb7fa321c0c
SHA256

dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177
SHA512

8fb1d74aeaf3d5f3ef88f8a61793f97c59f92e11f21c5ac99377d19b36c2f76b5d885729f433f2b0c46543ec41472ae1c8a8631c746e00172397dfc980e4962c
SSDEEP

6144:8+m+ZiVc25sxGCqnYj59rY8HgSXEcrZEYhNTayngAPE4KvgBohXzSlwMG0Ta:A7YxGgdOkNXEcXEh2WgBZdG0T

Score

10^/10

isrstealer collection spyware stealer trojan upx

Malware Config

Signatures

ISR Stealer
ISR Stealer is a modified version of Hackhound Stealer written in visual basic.
trojan stealer isrstealer

ISR Stealer payload 5 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4520-135-0x0000000000400000-0x0000000000442000-memory.dmp	family_isrstealer
behavioral2/memory/4520-137-0x0000000000400000-0x0000000000442000-memory.dmp	family_isrstealer
behavioral2/memory/4520-147-0x0000000000400000-0x0000000000442000-memory.dmp	family_isrstealer
behavioral2/memory/4520-155-0x0000000000400000-0x0000000000442000-memory.dmp	family_isrstealer
behavioral2/memory/4520-156-0x0000000000400000-0x0000000000442000-memory.dmp	family_isrstealer

NirSoft MailPassView 2 IoCs

Password recovery tool for various email clients

Processes:

resource	yara_rule
behavioral2/memory/1660-153-0x0000000000400000-0x000000000041F000-memory.dmp	MailPassView
behavioral2/memory/1660-154-0x0000000000400000-0x000000000041F000-memory.dmp	MailPassView

Nirsoft 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1660-153-0x0000000000400000-0x000000000041F000-memory.dmp	Nirsoft
behavioral2/memory/1660-154-0x0000000000400000-0x000000000041F000-memory.dmp	Nirsoft

UPX packed file 8 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/1740-142-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1740-144-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1740-145-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1740-146-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1660-150-0x0000000000400000-0x000000000041F000-memory.dmp	upx
behavioral2/memory/1660-152-0x0000000000400000-0x000000000041F000-memory.dmp	upx
behavioral2/memory/1660-153-0x0000000000400000-0x000000000041F000-memory.dmp	upx
behavioral2/memory/1660-154-0x0000000000400000-0x000000000041F000-memory.dmp	upx

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

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

Processes:

dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exedabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe

description	pid	process	target process
PID 4872 set thread context of 4520	4872	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe
PID 4520 set thread context of 1740	4520	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe
PID 4520 set thread context of 1660	4520	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe

description pid process

Token: SeDebugPrivilege 4872 dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe

pid process

4520 dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe

description	pid	process
Token: SeDebugPrivilege	4872	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe

pid	process
4520	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exedabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe

C:\Users\Admin\AppData\Local\Temp\dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe
"C:\Users\Admin\AppData\Local\Temp\dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4872

C:\Users\Admin\AppData\Local\Temp\dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe
"C:\Users\Admin\AppData\Local\Temp\dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4520

C:\Users\Admin\AppData\Local\Temp\dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\053wcX7nGL.ini"
3⤵
PID:1740

C:\Users\Admin\AppData\Local\Temp\dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\Tq0Zzpkd9T.ini"
3⤵
- Accesses Microsoft Outlook accounts
PID:1660

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\053wcX7nGL.ini
Filesize
5B

MD5
d1ea279fb5559c020a1b4137dc4de237

SHA1
db6f8988af46b56216a6f0daf95ab8c9bdb57400

SHA256
fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba

SHA512
720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3

Download Submit
memory/1660-154-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1660-153-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1660-152-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1660-150-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1660-149-0x0000000000000000-mapping.dmp

Download
memory/1740-146-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1740-144-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1740-145-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1740-142-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1740-141-0x0000000000000000-mapping.dmp

Download
memory/4520-155-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4520-147-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4520-156-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4520-137-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4520-135-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4520-134-0x0000000000000000-mapping.dmp

Download
memory/4872-132-0x00000000753A0000-0x0000000075951000-memory.dmp

Filesize
5.7MB

Download
memory/4872-133-0x00000000753A0000-0x0000000075951000-memory.dmp

Filesize
5.7MB

Download
memory/4872-140-0x00000000753A0000-0x0000000075951000-memory.dmp

Filesize
5.7MB

Download

description	pid	process	target process
PID 4872 wrote to memory of 4520	4872	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe
PID 4872 wrote to memory of 4520	4872	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe
PID 4872 wrote to memory of 4520	4872	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe
PID 4872 wrote to memory of 4520	4872	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe
PID 4872 wrote to memory of 4520	4872	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe
PID 4872 wrote to memory of 4520	4872	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe
PID 4872 wrote to memory of 4520	4872	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe
PID 4520 wrote to memory of 1740	4520	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe
PID 4520 wrote to memory of 1740	4520	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe
PID 4520 wrote to memory of 1740	4520	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe
PID 4520 wrote to memory of 1740	4520	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe
PID 4520 wrote to memory of 1740	4520	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe
PID 4520 wrote to memory of 1740	4520	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe
PID 4520 wrote to memory of 1740	4520	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe
PID 4520 wrote to memory of 1740	4520	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe
PID 4520 wrote to memory of 1660	4520	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe
PID 4520 wrote to memory of 1660	4520	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe
PID 4520 wrote to memory of 1660	4520	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe
PID 4520 wrote to memory of 1660	4520	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe
PID 4520 wrote to memory of 1660	4520	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe
PID 4520 wrote to memory of 1660	4520	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe
PID 4520 wrote to memory of 1660	4520	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe
PID 4520 wrote to memory of 1660	4520	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe	dabcf8fc64ea10f9d5d7bfb02b688647eca30f8f0278787b7c5cdec4a9f27177.exe

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads