c7575e3575eeb10c987ec34c587fd0e151e11d9c19095ceb46e0e9126385019d

Analysis

max time kernel
175s
max time network
188s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
01/10/2022, 23:51

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General

Target

c7575e3575eeb10c987ec34c587fd0e151e11d9c19095ceb46e0e9126385019d.exe
Size

751KB
MD5

f544d962b0485346f27c74ce488794ac
SHA1

ab2e7854360f30638bdf2d86626aa0d9bf9cdb7c
SHA256

c7575e3575eeb10c987ec34c587fd0e151e11d9c19095ceb46e0e9126385019d
SHA512

6d653da9ba763111020338071addb06566d2b2144732d709cdd41731aa19624510bb14e06f8cd5b25470d163b2ad4a602cadb0fb6d45f42d6b985b211e6956dd
SSDEEP

12288:APNoS8AdLQx9bppJY+3Loma+MTo8QrIy4wZwNMzaGix3gtFoVwHdGuSxu5x4:APNoNAdLQx9/pPa+xVPm1NCH7SA4

Score

8^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
808	IFinst27.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0009000000022df4-133.dat	upx
behavioral2/files/0x0009000000022df4-134.dat	upx
behavioral2/memory/2476-135-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral2/memory/808-136-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral2/memory/808-137-0x0000000000400000-0x000000000042B000-memory.dmp	upx

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\IFinst27.exe	c7575e3575eeb10c987ec34c587fd0e151e11d9c19095ceb46e0e9126385019d.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 3 IoCs

description	pid	Process	procid_target
PID 2476 wrote to memory of 808	2476	c7575e3575eeb10c987ec34c587fd0e151e11d9c19095ceb46e0e9126385019d.exe	83
PID 2476 wrote to memory of 808	2476	c7575e3575eeb10c987ec34c587fd0e151e11d9c19095ceb46e0e9126385019d.exe	83
PID 2476 wrote to memory of 808	2476	c7575e3575eeb10c987ec34c587fd0e151e11d9c19095ceb46e0e9126385019d.exe	83

C:\Users\Admin\AppData\Local\Temp\c7575e3575eeb10c987ec34c587fd0e151e11d9c19095ceb46e0e9126385019d.exe
"C:\Users\Admin\AppData\Local\Temp\c7575e3575eeb10c987ec34c587fd0e151e11d9c19095ceb46e0e9126385019d.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2476
- C:\Windows\IFinst27.exe
  "C:\Windows\IFinst27.exe" -IC:\Users\Admin\AppData\Local\Temp\c7575e3575eeb10c987ec34c587fd0e151e11d9c19095ceb46e0e9126385019d.exe
  2⤵
  - Executes dropped EXE
  PID:808

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\IFinst27.exe

Filesize
64KB

MD5
9c17bca3ef837bacded7e4299508e71d

SHA1
253c7e956ad6cb66e0e47e5d9a6a19d78e9c96e0

SHA256
2405e5479aeb7d43d1362969b9c439e5931b8f900f9adfe0faaa986365415193

SHA512
12c1c5dbdf763d6d361b9d412794b0d85b6134843114120b843f30db198a3a211e2c06eadd3ed25271b4cd06a7367df7dafc6b9b33b1bce479f3ad050caeb625

Download Submit
C:\Windows\IFinst27.exe

Filesize
64KB

MD5
9c17bca3ef837bacded7e4299508e71d

SHA1
253c7e956ad6cb66e0e47e5d9a6a19d78e9c96e0

SHA256
2405e5479aeb7d43d1362969b9c439e5931b8f900f9adfe0faaa986365415193

SHA512
12c1c5dbdf763d6d361b9d412794b0d85b6134843114120b843f30db198a3a211e2c06eadd3ed25271b4cd06a7367df7dafc6b9b33b1bce479f3ad050caeb625

Download Submit
memory/808-136-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/808-137-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2476-135-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download