onlylogger | 18a2e53028f323ca5465d6acd67da7859370cd4f132f6d1a39dc08e89f88de78

General

Target

18a2e53028f323ca5465d6acd67da7859370cd4f132f6d1a39dc08e89f88de78.exe
Size

383KB
MD5

bd3f3318a85ad39f2d7eca6e3a666514
SHA1

74226cece4809c1e4de4018dd0ab491f90a3aae3
SHA256

18a2e53028f323ca5465d6acd67da7859370cd4f132f6d1a39dc08e89f88de78
SHA512

2a4c3375b17dd77299230effb03a5b5f491c143e5b90f34bb850a2ca9fdc903c5dd0468e45476e59cee448563b1eaa136297a1abc6a3e01c761fce5d483dcb16
SSDEEP

6144:WCMqRjFhKy2aw50LAxhLEIMqR0Y6oBx/dx7YNopl+97YK2AaWpYT+mhCZVLLsXpl:WlsFoy2HSkxhLbMqRp9x/dx7YNopk9Gz

Score

10^/10

onlylogger loader

Malware Config

Signatures

OnlyLogger
A tiny loader that uses IPLogger to get its payload.
loader onlylogger

OnlyLogger payload 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3856-133-0x0000000000670000-0x00000000006BC000-memory.dmp	family_onlylogger
behavioral2/memory/3856-134-0x0000000000400000-0x00000000005EA000-memory.dmp	family_onlylogger
behavioral2/memory/3856-138-0x0000000000670000-0x00000000006BC000-memory.dmp	family_onlylogger
behavioral2/memory/3856-139-0x0000000000400000-0x00000000005EA000-memory.dmp	family_onlylogger

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

Processes:

18a2e53028f323ca5465d6acd67da7859370cd4f132f6d1a39dc08e89f88de78.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	18a2e53028f323ca5465d6acd67da7859370cd4f132f6d1a39dc08e89f88de78.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Program crash 7 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exe

pid	pid_target	process	target process
1936	3856	WerFault.exe	18a2e53028f323ca5465d6acd67da7859370cd4f132f6d1a39dc08e89f88de78.exe
2420	3856	WerFault.exe	18a2e53028f323ca5465d6acd67da7859370cd4f132f6d1a39dc08e89f88de78.exe
3700	3856	WerFault.exe	18a2e53028f323ca5465d6acd67da7859370cd4f132f6d1a39dc08e89f88de78.exe
3684	3856	WerFault.exe	18a2e53028f323ca5465d6acd67da7859370cd4f132f6d1a39dc08e89f88de78.exe
116	3856	WerFault.exe	18a2e53028f323ca5465d6acd67da7859370cd4f132f6d1a39dc08e89f88de78.exe
4780	3856	WerFault.exe	18a2e53028f323ca5465d6acd67da7859370cd4f132f6d1a39dc08e89f88de78.exe
3488	3856	WerFault.exe	18a2e53028f323ca5465d6acd67da7859370cd4f132f6d1a39dc08e89f88de78.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

2012 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 2012 taskkill.exe

pid	process
2012	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	2012	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

18a2e53028f323ca5465d6acd67da7859370cd4f132f6d1a39dc08e89f88de78.execmd.exe

description	pid	process	target process
PID 3856 wrote to memory of 4544	3856	18a2e53028f323ca5465d6acd67da7859370cd4f132f6d1a39dc08e89f88de78.exe	cmd.exe
PID 3856 wrote to memory of 4544	3856	18a2e53028f323ca5465d6acd67da7859370cd4f132f6d1a39dc08e89f88de78.exe	cmd.exe
PID 3856 wrote to memory of 4544	3856	18a2e53028f323ca5465d6acd67da7859370cd4f132f6d1a39dc08e89f88de78.exe	cmd.exe
PID 4544 wrote to memory of 2012	4544	cmd.exe	taskkill.exe
PID 4544 wrote to memory of 2012	4544	cmd.exe	taskkill.exe
PID 4544 wrote to memory of 2012	4544	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\18a2e53028f323ca5465d6acd67da7859370cd4f132f6d1a39dc08e89f88de78.exe
"C:\Users\Admin\AppData\Local\Temp\18a2e53028f323ca5465d6acd67da7859370cd4f132f6d1a39dc08e89f88de78.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3856 -s 748
2⤵
- Program crash
PID:1936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3856 -s 712
2⤵
- Program crash
PID:2420

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3856 -s 944
2⤵
- Program crash
PID:3700

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3856 -s 952
2⤵
- Program crash
PID:3684

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3856 -s 924
2⤵
- Program crash
PID:116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3856 -s 956
2⤵
- Program crash
PID:4780

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "18a2e53028f323ca5465d6acd67da7859370cd4f132f6d1a39dc08e89f88de78.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\18a2e53028f323ca5465d6acd67da7859370cd4f132f6d1a39dc08e89f88de78.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:4544

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "18a2e53028f323ca5465d6acd67da7859370cd4f132f6d1a39dc08e89f88de78.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3856 -s 1132
2⤵
- Program crash
PID:3488

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3856 -ip 3856
1⤵
PID:2376

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3856 -ip 3856
1⤵
PID:2008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3856 -ip 3856
1⤵
PID:3528

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 3856 -ip 3856
1⤵
PID:4488

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 3856 -ip 3856
1⤵
PID:32

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 3856 -ip 3856
1⤵
PID:3692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3856 -ip 3856
1⤵
PID:3812

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/2012-136-0x0000000000000000-mapping.dmp

Download
memory/3856-132-0x00000000006D8000-0x0000000000703000-memory.dmp

Filesize
172KB

Download
memory/3856-133-0x0000000000670000-0x00000000006BC000-memory.dmp

Filesize
304KB

Download
memory/3856-134-0x0000000000400000-0x00000000005EA000-memory.dmp

Filesize
1.9MB

Download
memory/3856-137-0x00000000006D8000-0x0000000000703000-memory.dmp

Filesize
172KB

Download
memory/3856-138-0x0000000000670000-0x00000000006BC000-memory.dmp

Filesize
304KB

Download
memory/3856-139-0x0000000000400000-0x00000000005EA000-memory.dmp

Filesize
1.9MB

Download
memory/4544-135-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads