isrstealer | e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8

General

Target

e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe
Size

1.8MB
MD5

fd01f244df65f97d3366888a2c0c7b9e
SHA1

f1d418d7f95e08846d31bfbe37e118bf2c992352
SHA256

e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8
SHA512

70fddc5cd135cc83a39e9873f26f3a28016f3957114668cff4ac6b17f2b24b450ff2039517d1aa04049aa39ef7508144c7a2aa65e3ee39e679ba122d7c41ac23
SSDEEP

12288:2VnKTD0IOdQv8UxHxv3r84bPWI0PB8M2W7KzTVi5T+RssRlPZew0Rj4V/cDA1ORZ:2EOdQ0UDbuMEGIYewW4tcm7M8a

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 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1440-134-0x0000000000400000-0x000000000045E000-memory.dmp	family_isrstealer
behavioral2/memory/1440-136-0x0000000000400000-0x000000000045E000-memory.dmp	family_isrstealer

NirSoft MailPassView 2 IoCs

Password recovery tool for various email clients

Processes:

resource	yara_rule
behavioral2/memory/444-152-0x0000000000400000-0x000000000041F000-memory.dmp	MailPassView
behavioral2/memory/444-153-0x0000000000400000-0x000000000041F000-memory.dmp	MailPassView

Nirsoft 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/444-152-0x0000000000400000-0x000000000041F000-memory.dmp	Nirsoft
behavioral2/memory/444-153-0x0000000000400000-0x000000000041F000-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/3764-140-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3764-142-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3764-143-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3764-144-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/444-149-0x0000000000400000-0x000000000041F000-memory.dmp	upx
behavioral2/memory/444-151-0x0000000000400000-0x000000000041F000-memory.dmp	upx
behavioral2/memory/444-152-0x0000000000400000-0x000000000041F000-memory.dmp	upx
behavioral2/memory/444-153-0x0000000000400000-0x000000000041F000-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:

e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exee6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe

description	pid	process	target process
PID 2580 set thread context of 1440	2580	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe
PID 1440 set thread context of 3764	1440	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe
PID 1440 set thread context of 444	1440	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe

pid	process
2580	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe
2580	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe
2580	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe
2580	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe

description	pid	process
Token: SeDebugPrivilege	2580	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe
Token: 33	2580	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe
Token: SeIncBasePriorityPrivilege	2580	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe

pid process

1440 e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe

pid	process
1440	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exee6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe

C:\Users\Admin\AppData\Local\Temp\e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe
"C:\Users\Admin\AppData\Local\Temp\e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2580

C:\Users\Admin\AppData\Local\Temp\e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe
C:\Users\Admin\AppData\Local\Temp\e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1440

C:\Users\Admin\AppData\Local\Temp\e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\7LTBRQPAPz.ini"
3⤵
PID:3764

C:\Users\Admin\AppData\Local\Temp\e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\Bb4NWNeBk4.ini"
3⤵
- Accesses Microsoft Outlook accounts
PID:444

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\7LTBRQPAPz.ini
Filesize
5B

MD5
d1ea279fb5559c020a1b4137dc4de237

SHA1
db6f8988af46b56216a6f0daf95ab8c9bdb57400

SHA256
fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba

SHA512
720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3

Download Submit
memory/444-148-0x0000000000000000-mapping.dmp

Download
memory/444-153-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/444-152-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/444-151-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/444-149-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1440-134-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/1440-133-0x0000000000000000-mapping.dmp

Download
memory/1440-136-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/2580-132-0x0000000074650000-0x0000000074C01000-memory.dmp

Filesize
5.7MB

Download
memory/2580-145-0x0000000074650000-0x0000000074C01000-memory.dmp

Filesize
5.7MB

Download
memory/2580-147-0x0000000074650000-0x0000000074C01000-memory.dmp

Filesize
5.7MB

Download
memory/3764-139-0x0000000000000000-mapping.dmp

Download
memory/3764-144-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3764-143-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3764-142-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3764-140-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

description	pid	process	target process
PID 2580 wrote to memory of 1440	2580	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe
PID 2580 wrote to memory of 1440	2580	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe
PID 2580 wrote to memory of 1440	2580	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe
PID 2580 wrote to memory of 1440	2580	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe
PID 2580 wrote to memory of 1440	2580	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe
PID 2580 wrote to memory of 1440	2580	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe
PID 2580 wrote to memory of 1440	2580	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe
PID 2580 wrote to memory of 1440	2580	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe
PID 1440 wrote to memory of 3764	1440	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe
PID 1440 wrote to memory of 3764	1440	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe
PID 1440 wrote to memory of 3764	1440	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe
PID 1440 wrote to memory of 3764	1440	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe
PID 1440 wrote to memory of 3764	1440	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe
PID 1440 wrote to memory of 3764	1440	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe
PID 1440 wrote to memory of 3764	1440	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe
PID 1440 wrote to memory of 3764	1440	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe
PID 1440 wrote to memory of 444	1440	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe
PID 1440 wrote to memory of 444	1440	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe
PID 1440 wrote to memory of 444	1440	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe
PID 1440 wrote to memory of 444	1440	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe
PID 1440 wrote to memory of 444	1440	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe
PID 1440 wrote to memory of 444	1440	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe
PID 1440 wrote to memory of 444	1440	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe
PID 1440 wrote to memory of 444	1440	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe	e6be87120070bad0c3b395a2523483bc003c2d2aebcadce0d84880ced2d8cea8.exe

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads