243762127ba686d4ba40e30cce332e2f7c92f5bc6be950a5fa0e6f15c6e20fb1

Analysis

max time kernel
25s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
06/11/2022, 13:15

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General

Target

243762127ba686d4ba40e30cce332e2f7c92f5bc6be950a5fa0e6f15c6e20fb1.exe
Size

120KB
MD5

0f0fb743b6687c358e577485b5db0ede
SHA1

8e509b0c9db0a0d4aa2ed7a511fbded5476220c6
SHA256

243762127ba686d4ba40e30cce332e2f7c92f5bc6be950a5fa0e6f15c6e20fb1
SHA512

edfc3e0c11c2c50babdb76fb2863a409d1591d63f7aa423cf493987852c736583b2223b2d90aa80badc8f048a4a79a78fcafa417a5971cb5905fcd795dbb5a22
SSDEEP

3072:3NKfRBKLCyrh1aZLxLv+CEiTNPBsSnt3I3ZrnBCnf:3AfGNnCLxzjEiTNPiSt3I3Za

Score

8^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
888	243762127ba686d4ba40e30cce332e2f7c92f5bc6be950a5fa0e6f15c6e20fb1.exe

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/files/0x000700000001411f-55.dat	upx
behavioral1/files/0x000700000001411f-56.dat	upx
behavioral1/files/0x000700000001411f-58.dat	upx
behavioral1/memory/284-59-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral1/files/0x000700000001411f-61.dat	upx
behavioral1/memory/888-62-0x0000000000400000-0x0000000000439000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
284	243762127ba686d4ba40e30cce332e2f7c92f5bc6be950a5fa0e6f15c6e20fb1.exe
284	243762127ba686d4ba40e30cce332e2f7c92f5bc6be950a5fa0e6f15c6e20fb1.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 284 wrote to memory of 888	284	243762127ba686d4ba40e30cce332e2f7c92f5bc6be950a5fa0e6f15c6e20fb1.exe	27
PID 284 wrote to memory of 888	284	243762127ba686d4ba40e30cce332e2f7c92f5bc6be950a5fa0e6f15c6e20fb1.exe	27
PID 284 wrote to memory of 888	284	243762127ba686d4ba40e30cce332e2f7c92f5bc6be950a5fa0e6f15c6e20fb1.exe	27
PID 284 wrote to memory of 888	284	243762127ba686d4ba40e30cce332e2f7c92f5bc6be950a5fa0e6f15c6e20fb1.exe	27

C:\Users\Admin\AppData\Local\Temp\243762127ba686d4ba40e30cce332e2f7c92f5bc6be950a5fa0e6f15c6e20fb1.exe
"C:\Users\Admin\AppData\Local\Temp\243762127ba686d4ba40e30cce332e2f7c92f5bc6be950a5fa0e6f15c6e20fb1.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:284
- C:\Windows\Temp\MT\243762127ba686d4ba40e30cce332e2f7c92f5bc6be950a5fa0e6f15c6e20fb1.exe
  "C:\Windows\Temp\MT\243762127ba686d4ba40e30cce332e2f7c92f5bc6be950a5fa0e6f15c6e20fb1.exe"
  2⤵
  - Executes dropped EXE
  PID:888

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\Temp\MT\243762127ba686d4ba40e30cce332e2f7c92f5bc6be950a5fa0e6f15c6e20fb1.exe

Filesize
91KB

MD5
7884ee607bd4b9c4395487d35dab9a3d

SHA1
da8a639b91ef8fea4a4e0dfa50cd933a8629b524

SHA256
7f7c79f480019d70ea5994e8d9ec5b6bcbeead8f9b0a6d84c63243618dac7184

SHA512
72c9db215042f778fcd7c21b527129c473930c9143aab0cd9e6e0f4454c41f001dc6ada8485e87b9846dd55927751e4afd1aab9ff326b4d4f61652ae18eb9ef1

Download Submit
C:\Windows\Temp\MT\243762127ba686d4ba40e30cce332e2f7c92f5bc6be950a5fa0e6f15c6e20fb1.exe

Filesize
91KB

MD5
7884ee607bd4b9c4395487d35dab9a3d

SHA1
da8a639b91ef8fea4a4e0dfa50cd933a8629b524

SHA256
7f7c79f480019d70ea5994e8d9ec5b6bcbeead8f9b0a6d84c63243618dac7184

SHA512
72c9db215042f778fcd7c21b527129c473930c9143aab0cd9e6e0f4454c41f001dc6ada8485e87b9846dd55927751e4afd1aab9ff326b4d4f61652ae18eb9ef1

Download Submit
\Windows\Temp\MT\243762127ba686d4ba40e30cce332e2f7c92f5bc6be950a5fa0e6f15c6e20fb1.exe

Filesize
91KB

MD5
7884ee607bd4b9c4395487d35dab9a3d

SHA1
da8a639b91ef8fea4a4e0dfa50cd933a8629b524

SHA256
7f7c79f480019d70ea5994e8d9ec5b6bcbeead8f9b0a6d84c63243618dac7184

SHA512
72c9db215042f778fcd7c21b527129c473930c9143aab0cd9e6e0f4454c41f001dc6ada8485e87b9846dd55927751e4afd1aab9ff326b4d4f61652ae18eb9ef1

Download Submit
\Windows\Temp\MT\243762127ba686d4ba40e30cce332e2f7c92f5bc6be950a5fa0e6f15c6e20fb1.exe

Filesize
91KB

MD5
7884ee607bd4b9c4395487d35dab9a3d

SHA1
da8a639b91ef8fea4a4e0dfa50cd933a8629b524

SHA256
7f7c79f480019d70ea5994e8d9ec5b6bcbeead8f9b0a6d84c63243618dac7184

SHA512
72c9db215042f778fcd7c21b527129c473930c9143aab0cd9e6e0f4454c41f001dc6ada8485e87b9846dd55927751e4afd1aab9ff326b4d4f61652ae18eb9ef1

Download Submit
memory/284-54-0x0000000076201000-0x0000000076203000-memory.dmp

Filesize
8KB

Download
memory/284-59-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/888-62-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download