onlylogger | 5d9dc24f2de724f0921574f0589d39f79cbdd85cc817a6345267aa9aa9632a2b

Resubmissions

07-01-2024 18:07

240107-wqhr9abfcn 10

15-01-2022 08:40

220115-kkxhnsdham 10

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-en-20211208
submitted
15-01-2022 08:40

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General

Target

084867eab2023c445721b0cd205ce47a.exe
Size

419KB
MD5

084867eab2023c445721b0cd205ce47a
SHA1

0f465ee53425b4c9a963f6ecfe1119840fa810d7
SHA256

5d9dc24f2de724f0921574f0589d39f79cbdd85cc817a6345267aa9aa9632a2b
SHA512

58ec053935a7d8e2f206f3ecf76ab575dcf95736f1f23c2b8944ff4e5c31b3f6faaef20cd959a8206003c298e82770f456261a3122f815dd6347f08dd1992c3c

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/832-55-0x00000000002A0000-0x00000000002EC000-memory.dmp	family_onlylogger
behavioral1/memory/832-56-0x0000000000400000-0x0000000000579000-memory.dmp	family_onlylogger

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

948 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

464 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 464 taskkill.exe

pid	process
948	cmd.exe

pid	process
464	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	464	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

084867eab2023c445721b0cd205ce47a.execmd.exe

description	pid	process	target process
PID 832 wrote to memory of 948	832	084867eab2023c445721b0cd205ce47a.exe	cmd.exe
PID 832 wrote to memory of 948	832	084867eab2023c445721b0cd205ce47a.exe	cmd.exe
PID 832 wrote to memory of 948	832	084867eab2023c445721b0cd205ce47a.exe	cmd.exe
PID 832 wrote to memory of 948	832	084867eab2023c445721b0cd205ce47a.exe	cmd.exe
PID 948 wrote to memory of 464	948	cmd.exe	taskkill.exe
PID 948 wrote to memory of 464	948	cmd.exe	taskkill.exe
PID 948 wrote to memory of 464	948	cmd.exe	taskkill.exe
PID 948 wrote to memory of 464	948	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\084867eab2023c445721b0cd205ce47a.exe
"C:\Users\Admin\AppData\Local\Temp\084867eab2023c445721b0cd205ce47a.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:832

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "084867eab2023c445721b0cd205ce47a.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\084867eab2023c445721b0cd205ce47a.exe" & exit
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:948

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "084867eab2023c445721b0cd205ce47a.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:464

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/464-58-0x0000000000000000-mapping.dmp

Download
memory/832-53-0x000000000060A000-0x0000000000635000-memory.dmp

Filesize
172KB

Download
memory/832-54-0x0000000076C91000-0x0000000076C93000-memory.dmp

Filesize
8KB

Download
memory/832-55-0x00000000002A0000-0x00000000002EC000-memory.dmp

Filesize
304KB

Download
memory/832-56-0x0000000000400000-0x0000000000579000-memory.dmp

Filesize
1.5MB

Download
memory/948-57-0x0000000000000000-mapping.dmp

Download