131010bcbfe67d25b6a6d64eb7a987b8796dce996e9d4019d9a035bd732a055e

Analysis

max time kernel
45s
max time network
131s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
29-11-2022 13:23

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General

Target

MEPS-42.exe
Size

779KB
MD5

d7ef3266f37151f64ba446c1edcdd779
SHA1

1b7c6b50f3b85943ce13eb1bc3c00de89dc9b76f
SHA256

9fafe0f757cd03424b2314164d0ddcc120a75b38d69e41b8350c4f1b6c6092b7
SHA512

41eea8d14f92995339ed0451d566f36946c73f15c2beeed0e18d99887a65483849807b58dca4e32fd675284637fe25ed184892463adf3b2556e7c9a92fba987d
SSDEEP

12288:VLVDcgFr5cE8LHWQN1bTK5GaqqFWzleM4k/BHGOUY+NGO/SEdRMA/LyzIPPPu6gt:wjvLLbTaGVjpOiBHGCi9/LkInst

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1244 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

MEPS-42.exe

pid process

1448 MEPS-42.exe
1448 MEPS-42.exe
1448 MEPS-42.exe
1448 MEPS-42.exe
1448 MEPS-42.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MEPS-42.exe

description pid process

Token: SeDebugPrivilege 1448 MEPS-42.exe

pid	process
1244	schtasks.exe

pid	process
1448	MEPS-42.exe
1448	MEPS-42.exe
1448	MEPS-42.exe
1448	MEPS-42.exe
1448	MEPS-42.exe

description	pid	process
Token: SeDebugPrivilege	1448	MEPS-42.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

MEPS-42.exe

description	pid	process	target process
PID 1448 wrote to memory of 1244	1448	MEPS-42.exe	schtasks.exe
PID 1448 wrote to memory of 1244	1448	MEPS-42.exe	schtasks.exe
PID 1448 wrote to memory of 1244	1448	MEPS-42.exe	schtasks.exe
PID 1448 wrote to memory of 1244	1448	MEPS-42.exe	schtasks.exe
PID 1448 wrote to memory of 1420	1448	MEPS-42.exe	MEPS-42.exe
PID 1448 wrote to memory of 1420	1448	MEPS-42.exe	MEPS-42.exe
PID 1448 wrote to memory of 1420	1448	MEPS-42.exe	MEPS-42.exe
PID 1448 wrote to memory of 1420	1448	MEPS-42.exe	MEPS-42.exe
PID 1448 wrote to memory of 680	1448	MEPS-42.exe	MEPS-42.exe
PID 1448 wrote to memory of 680	1448	MEPS-42.exe	MEPS-42.exe
PID 1448 wrote to memory of 680	1448	MEPS-42.exe	MEPS-42.exe
PID 1448 wrote to memory of 680	1448	MEPS-42.exe	MEPS-42.exe
PID 1448 wrote to memory of 1468	1448	MEPS-42.exe	MEPS-42.exe
PID 1448 wrote to memory of 1468	1448	MEPS-42.exe	MEPS-42.exe
PID 1448 wrote to memory of 1468	1448	MEPS-42.exe	MEPS-42.exe
PID 1448 wrote to memory of 1468	1448	MEPS-42.exe	MEPS-42.exe
PID 1448 wrote to memory of 472	1448	MEPS-42.exe	MEPS-42.exe
PID 1448 wrote to memory of 472	1448	MEPS-42.exe	MEPS-42.exe
PID 1448 wrote to memory of 472	1448	MEPS-42.exe	MEPS-42.exe
PID 1448 wrote to memory of 472	1448	MEPS-42.exe	MEPS-42.exe
PID 1448 wrote to memory of 668	1448	MEPS-42.exe	MEPS-42.exe
PID 1448 wrote to memory of 668	1448	MEPS-42.exe	MEPS-42.exe
PID 1448 wrote to memory of 668	1448	MEPS-42.exe	MEPS-42.exe
PID 1448 wrote to memory of 668	1448	MEPS-42.exe	MEPS-42.exe

C:\Users\Admin\AppData\Local\Temp\MEPS-42.exe
"C:\Users\Admin\AppData\Local\Temp\MEPS-42.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1448

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VQJyCowTdOQea" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA3B0.tmp"
2⤵
- Creates scheduled task(s)
PID:1244

C:\Users\Admin\AppData\Local\Temp\MEPS-42.exe
"{path}"
2⤵
PID:1420

C:\Users\Admin\AppData\Local\Temp\MEPS-42.exe
"{path}"
2⤵
PID:680

C:\Users\Admin\AppData\Local\Temp\MEPS-42.exe
"{path}"
2⤵
PID:1468

C:\Users\Admin\AppData\Local\Temp\MEPS-42.exe
"{path}"
2⤵
PID:472

C:\Users\Admin\AppData\Local\Temp\MEPS-42.exe
"{path}"
2⤵
PID:668

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpA3B0.tmp
Filesize
1KB

MD5
22b2e5bc96f1a15a35f7f0beb236224e

SHA1
65df6fb1805018306ed4d007d4291bdf7ba4ef2f

SHA256
08b36e82d066dfde80d3eb757ea01b1531a30728fee797a942cf30ed56a375f5

SHA512
363960cbccad75970598bb0667da2aa1323cc66bcd7dba2d66f5c874b76dbf4eed627783cf415964b2d9d4cd815c4cd23a7f77e07022ee98c113d2c1c745bf4b

Download Submit
memory/1244-59-0x0000000000000000-mapping.dmp

Download
memory/1448-54-0x00000000003E0000-0x00000000004AA000-memory.dmp

Filesize
808KB

Download
memory/1448-55-0x00000000758B1000-0x00000000758B3000-memory.dmp

Filesize
8KB

Download
memory/1448-56-0x00000000003D0000-0x00000000003E2000-memory.dmp

Filesize
72KB

Download
memory/1448-57-0x00000000051C0000-0x0000000005242000-memory.dmp

Filesize
520KB

Download
memory/1448-58-0x0000000004210000-0x000000000424C000-memory.dmp

Filesize
240KB

Download