7e26e2b694c13053b516723684d32870a1f2a152cb5e1e7705ba808edf40d449

Analysis

max time kernel
156s
max time network
175s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
06-03-2024 03:35

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General

Target

d458b3c5068f14116f1ddb91a190b402.exe
Size

109KB
MD5

d458b3c5068f14116f1ddb91a190b402
SHA1

25c8cac6f7a597f5debbb982796b498f5b045e5e
SHA256

7e26e2b694c13053b516723684d32870a1f2a152cb5e1e7705ba808edf40d449
SHA512

837dd6ee706fd3ec6951e219c080565619419f9d7f87a67f72018c0a6878a8a9ad49a62299c9f7045eae9b6b6964363c3f8fc727ffc43c9da3468aee1a198888
SSDEEP

1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwMgLW2:z6a+CdOOtEvwDpjczp

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2720	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2100	d458b3c5068f14116f1ddb91a190b402.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2100-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x0009000000012265-11.dat	upx
behavioral1/memory/2100-15-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2720-16-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2720-26-0x0000000000500000-0x0000000000510000-memory.dmp	upx

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

description	pid	Process	procid_target
PID 2100 wrote to memory of 2720	2100	d458b3c5068f14116f1ddb91a190b402.exe	27
PID 2100 wrote to memory of 2720	2100	d458b3c5068f14116f1ddb91a190b402.exe	27
PID 2100 wrote to memory of 2720	2100	d458b3c5068f14116f1ddb91a190b402.exe	27
PID 2100 wrote to memory of 2720	2100	d458b3c5068f14116f1ddb91a190b402.exe	27

C:\Users\Admin\AppData\Local\Temp\d458b3c5068f14116f1ddb91a190b402.exe
"C:\Users\Admin\AppData\Local\Temp\d458b3c5068f14116f1ddb91a190b402.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2100
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2720

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
109KB

MD5
4f3273a03aaf8a6223929e773f951749

SHA1
8309cfb4ec6cfeba01fec00b6962b32c6f148e85

SHA256
3b6fa0e089a1dda899bed5f198a75188c77aca6b8997f6439c5f89a797076d76

SHA512
37bf89bb7be14ad548583bdd89b34a0710f688e258a8c2a0f850a8ffdc974cacd4a7918d45be44cc07f771c64e8e658301a901fcfb816479a62dd28f9644c2e8

Download Submit
memory/2100-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2100-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2100-2-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2100-4-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2100-15-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2720-16-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2720-18-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2720-25-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2720-26-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download