861bea15084d958c41721284bf4f463fa812fce526ee9400d169ad222d0e4c26

Analysis

max time kernel
148s
max time network
119s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
22-05-2024 02:25

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General

Target

861bea15084d958c41721284bf4f463fa812fce526ee9400d169ad222d0e4c26.exe
Size

408KB
MD5

209f3f1fde4077051c1b4a3049676413
SHA1

20fcfcc0e44c6f8def6db540fe109773d140bcb7
SHA256

861bea15084d958c41721284bf4f463fa812fce526ee9400d169ad222d0e4c26
SHA512

0c31af526e3975381d4dbbebf8e30400e5fde3bdf41268da6db0f8c0b376280fa4d057b51f2802ecfe458d0e3d79c240703b5948b6bef0eefc639f0e3a5120f0
SSDEEP

12288:4jauDReWHjpeM4ujEW8uqnjtPskA1Q1vUP25J7w4QmsPzL:4DDDjpe696njtUkA1vP25J7w4QmsPzL

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

vesvor.exe

pid process

2372 vesvor.exe

pid	process
2372	vesvor.exe

Loads dropped DLL 2 IoCs

Processes:

861bea15084d958c41721284bf4f463fa812fce526ee9400d169ad222d0e4c26.exe

pid	process
1720	861bea15084d958c41721284bf4f463fa812fce526ee9400d169ad222d0e4c26.exe
1720	861bea15084d958c41721284bf4f463fa812fce526ee9400d169ad222d0e4c26.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

vesvor.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft® Windows® Operating System = "C:\\ProgramData\\vesvor.exe"	vesvor.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

861bea15084d958c41721284bf4f463fa812fce526ee9400d169ad222d0e4c26.exe

description	pid	process	target process
PID 1720 wrote to memory of 2372	1720	861bea15084d958c41721284bf4f463fa812fce526ee9400d169ad222d0e4c26.exe	vesvor.exe
PID 1720 wrote to memory of 2372	1720	861bea15084d958c41721284bf4f463fa812fce526ee9400d169ad222d0e4c26.exe	vesvor.exe
PID 1720 wrote to memory of 2372	1720	861bea15084d958c41721284bf4f463fa812fce526ee9400d169ad222d0e4c26.exe	vesvor.exe
PID 1720 wrote to memory of 2372	1720	861bea15084d958c41721284bf4f463fa812fce526ee9400d169ad222d0e4c26.exe	vesvor.exe

C:\Users\Admin\AppData\Local\Temp\861bea15084d958c41721284bf4f463fa812fce526ee9400d169ad222d0e4c26.exe
"C:\Users\Admin\AppData\Local\Temp\861bea15084d958c41721284bf4f463fa812fce526ee9400d169ad222d0e4c26.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1720

C:\ProgramData\vesvor.exe
"C:\ProgramData\vesvor.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
PID:2372

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\MSOCache .exe

Filesize
408KB

MD5
a581feafcdfb5bb5f6f00ea809bc5444

SHA1
67f5a1b8729e5ef7e5803ef86c9093e24096c352

SHA256
d2f4aa1c999fb68a52291fe7134f9de8896c5989cd22c95041617717b7c6243e

SHA512
c31238cc05a8159712596df7b5487b5a3fd102f0ccc5f732e2d0d8f6e07b53594892aac1ee4946836aa6c3a9160f89ceb9d7f178535be75f603382df0b4506cb

Download Submit
C:\ProgramData\Saaaalamm\Mira.h

Filesize
136KB

MD5
cb4c442a26bb46671c638c794bf535af

SHA1
8a742d0b372f2ddd2d1fdf688c3c4ac7f9272abf

SHA256
f8d2c17bdf34ccfb58070ac8b131a8d95055340101a329f9a7212ac5240d0c25

SHA512
074a31e8da403c0a718f93cbca50574d8b658921193db0e6e20eacd232379286f14a3698cd443dc740d324ad19d74934ae001a7ad64b88897d8afefbc9a3d4e3

Download Submit
\ProgramData\vesvor.exe

Filesize
271KB

MD5
38173a3b498b607cab231e5b3f431aa4

SHA1
f8f24269ea20b909d3b45ac8299a99c8ae2e2d6a

SHA256
658039d9d1e9bd6023b439e83956395da5f4dea705045b1eb1d9e3e2bd671420

SHA512
771dc78b4e62a88641c7b7fa9398a7e6375f76ddfb4f3b6e699b379ea184bb288f0923e0dad86a8e74be551c76f037a9897c5cbb2f45138030665eb15a108561

Download Submit
memory/1720-1-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/1720-0-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/1720-14-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/2372-131-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download