7f4789c6b3be0714ce1bffe070ecc313e8f66bcac2b3cacc0b14ff5714daa29c

Analysis

max time kernel
42s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
13/09/2022, 17:06

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General

Target

7f4789c6b3be0714ce1bffe070ecc313e8f66bcac2b3cacc0b14ff5714daa29c.exe
Size

3.8MB
MD5

676a92114b72e7fc72c93a96b90d81c2
SHA1

bcabe2e90fe65b3dcd4cf84209b111c138515661
SHA256

7f4789c6b3be0714ce1bffe070ecc313e8f66bcac2b3cacc0b14ff5714daa29c
SHA512

cc7cf5bc731933d950af2ad2fc03d37d42ba9ad4b5e114403757711342544fcf367fad39aae7bc6d30d78b6d4ce8cbbdc47ad24b75b0d87bddac8963a0750992
SSDEEP

98304:nc6BlK3SyXkOt5ug0z4fBQqeex3ys6OeiYyKb2bMx98bhRA:ZcSyUObp0UfBQq93iZy62o8brA

Score

8^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1484	RegDllSetup.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1648-55-0x0000000000400000-0x0000000000438000-memory.dmp	upx
behavioral1/memory/1648-59-0x0000000000400000-0x0000000000438000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
1648	7f4789c6b3be0714ce1bffe070ecc313e8f66bcac2b3cacc0b14ff5714daa29c.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 7 IoCs

description	pid	Process	procid_target
PID 1648 wrote to memory of 1484	1648	7f4789c6b3be0714ce1bffe070ecc313e8f66bcac2b3cacc0b14ff5714daa29c.exe	28
PID 1648 wrote to memory of 1484	1648	7f4789c6b3be0714ce1bffe070ecc313e8f66bcac2b3cacc0b14ff5714daa29c.exe	28
PID 1648 wrote to memory of 1484	1648	7f4789c6b3be0714ce1bffe070ecc313e8f66bcac2b3cacc0b14ff5714daa29c.exe	28
PID 1648 wrote to memory of 1484	1648	7f4789c6b3be0714ce1bffe070ecc313e8f66bcac2b3cacc0b14ff5714daa29c.exe	28
PID 1648 wrote to memory of 1484	1648	7f4789c6b3be0714ce1bffe070ecc313e8f66bcac2b3cacc0b14ff5714daa29c.exe	28
PID 1648 wrote to memory of 1484	1648	7f4789c6b3be0714ce1bffe070ecc313e8f66bcac2b3cacc0b14ff5714daa29c.exe	28
PID 1648 wrote to memory of 1484	1648	7f4789c6b3be0714ce1bffe070ecc313e8f66bcac2b3cacc0b14ff5714daa29c.exe	28

C:\Users\Admin\AppData\Local\Temp\7f4789c6b3be0714ce1bffe070ecc313e8f66bcac2b3cacc0b14ff5714daa29c.exe
"C:\Users\Admin\AppData\Local\Temp\7f4789c6b3be0714ce1bffe070ecc313e8f66bcac2b3cacc0b14ff5714daa29c.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1648
- C:\Prog\FastCopy\RegDllSetup.exe
  "C:\Prog\FastCopy\RegDllSetup.exe"
  2⤵
  - Executes dropped EXE
  PID:1484

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:\Prog\FastCopy\RegDllSetup.exe

Filesize
705KB

MD5
290fe4268b15267d42ba4713b872464d

SHA1
a6c09875dddbedba3d2d901572cc6a7295747e11

SHA256
6582d67e84ca938df9d48c8780c654a1212e4fb2286482c074834e7654bbed6b

SHA512
47f22713d039a22edcb91277be3f79440ad984b9a5369055f607d71fa920d29e8eeca03dcc1d8e5b123fd6b891936c12686657415384dc76e1a53da376a59ccb

Download Submit
\Prog\FastCopy\RegDllSetup.exe

Filesize
705KB

MD5
290fe4268b15267d42ba4713b872464d

SHA1
a6c09875dddbedba3d2d901572cc6a7295747e11

SHA256
6582d67e84ca938df9d48c8780c654a1212e4fb2286482c074834e7654bbed6b

SHA512
47f22713d039a22edcb91277be3f79440ad984b9a5369055f607d71fa920d29e8eeca03dcc1d8e5b123fd6b891936c12686657415384dc76e1a53da376a59ccb

Download Submit
memory/1648-54-0x0000000075811000-0x0000000075813000-memory.dmp

Filesize
8KB

Download
memory/1648-55-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1648-59-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download