onlylogger | ea25dcf8f74b1d1094825d695807839f48230a800420cd2c57a05f7f6fe5a5bb

Resubmissions

07-01-2024 18:07

240107-wqjpjscef5 10

15-01-2022 08:34

220115-kgnrcsdggm 10

Analysis

max time kernel
119s
max time network
122s
platform
windows7_x64
resource
win7-en-20211208
submitted
15-01-2022 08:34

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General

Target

425b312c607eaa405059b4928a65cba8.exe
Size

420KB
MD5

425b312c607eaa405059b4928a65cba8
SHA1

3caefbcad6d742e8c1849ec2d8ce092c0c75152f
SHA256

ea25dcf8f74b1d1094825d695807839f48230a800420cd2c57a05f7f6fe5a5bb
SHA512

89d9c201da31815db48bbb0fea5268044a412dac91677f8d9fc9a7ff1b9eec9d0c8b3c864b340148a22cacbd6b2e3a37dbfd94170ccba3d059ee261c402d1fa6

Score

10^/10

onlylogger loader

Malware Config

Signatures

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

OnlyLogger Payload 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1212-56-0x0000000000400000-0x0000000000579000-memory.dmp	family_onlylogger
behavioral1/memory/1212-55-0x00000000002D0000-0x000000000031C000-memory.dmp	family_onlylogger

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1628 cmd.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

572 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 572 taskkill.exe

pid	process
1628	cmd.exe

pid	process
572	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	572	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

425b312c607eaa405059b4928a65cba8.execmd.exe

description	pid	process	target process
PID 1212 wrote to memory of 1628	1212	425b312c607eaa405059b4928a65cba8.exe	cmd.exe
PID 1212 wrote to memory of 1628	1212	425b312c607eaa405059b4928a65cba8.exe	cmd.exe
PID 1212 wrote to memory of 1628	1212	425b312c607eaa405059b4928a65cba8.exe	cmd.exe
PID 1212 wrote to memory of 1628	1212	425b312c607eaa405059b4928a65cba8.exe	cmd.exe
PID 1628 wrote to memory of 572	1628	cmd.exe	taskkill.exe
PID 1628 wrote to memory of 572	1628	cmd.exe	taskkill.exe
PID 1628 wrote to memory of 572	1628	cmd.exe	taskkill.exe
PID 1628 wrote to memory of 572	1628	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\425b312c607eaa405059b4928a65cba8.exe
"C:\Users\Admin\AppData\Local\Temp\425b312c607eaa405059b4928a65cba8.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1212

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "425b312c607eaa405059b4928a65cba8.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\425b312c607eaa405059b4928a65cba8.exe" & exit
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1628

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "425b312c607eaa405059b4928a65cba8.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:572

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/572-58-0x0000000000000000-mapping.dmp

Download
memory/1212-53-0x000000000063B000-0x0000000000666000-memory.dmp

Filesize
172KB

Download
memory/1212-54-0x0000000075891000-0x0000000075893000-memory.dmp

Filesize
8KB

Download
memory/1212-56-0x0000000000400000-0x0000000000579000-memory.dmp

Filesize
1.5MB

Download
memory/1212-55-0x00000000002D0000-0x000000000031C000-memory.dmp

Filesize
304KB

Download
memory/1628-57-0x0000000000000000-mapping.dmp

Download