da549186381eea1e383ccf1522e42bef4a2024092ba84ba1f8eb70ec1118b57c

Analysis

max time kernel
150s
max time network
126s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
14/06/2024, 04:45

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General

Target

da549186381eea1e383ccf1522e42bef4a2024092ba84ba1f8eb70ec1118b57c.exe
Size

88KB
MD5

1659eb0e7ac5f43d33c58dbd97dc61a3
SHA1

ffc1ad2275f2fc13e8d9d1b54ca5f24be4596940
SHA256

da549186381eea1e383ccf1522e42bef4a2024092ba84ba1f8eb70ec1118b57c
SHA512

097d2e26e69ff124304a954ca19fc5282bcd0758ab77a18821d3f85bb0a9ad545c383da64d6a3b2abad674ddf396d450cc7b35b557a89a0162ad4d9fcbc6e14c
SSDEEP

1536:CU9YkETRm/CQ7igcuGC58kSlR+YFa1vv3:3zwR4f78uGC58k8R8

Score

9^/10

upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 6 IoCs

resource	yara_rule
behavioral1/memory/2580-0-0x0000000000400000-0x0000000000413000-memory.dmp	UPX
behavioral1/memory/2580-7-0x00000000005B0000-0x00000000005C3000-memory.dmp	UPX
behavioral1/files/0x000d0000000134b1-5.dat	UPX
behavioral1/memory/2580-10-0x0000000000400000-0x0000000000413000-memory.dmp	UPX
behavioral1/memory/1516-11-0x0000000000400000-0x0000000000413000-memory.dmp	UPX
behavioral1/memory/1516-15-0x0000000000400000-0x0000000000413000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
1516	upsec.exe

Loads dropped DLL 1 IoCs

pid	Process
2580	da549186381eea1e383ccf1522e42bef4a2024092ba84ba1f8eb70ec1118b57c.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2580-0-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral1/memory/2580-7-0x00000000005B0000-0x00000000005C3000-memory.dmp	upx
behavioral1/files/0x000d0000000134b1-5.dat	upx
behavioral1/memory/2580-10-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral1/memory/1516-11-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral1/memory/1516-15-0x0000000000400000-0x0000000000413000-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 2580 wrote to memory of 1516	2580	da549186381eea1e383ccf1522e42bef4a2024092ba84ba1f8eb70ec1118b57c.exe	28
PID 2580 wrote to memory of 1516	2580	da549186381eea1e383ccf1522e42bef4a2024092ba84ba1f8eb70ec1118b57c.exe	28
PID 2580 wrote to memory of 1516	2580	da549186381eea1e383ccf1522e42bef4a2024092ba84ba1f8eb70ec1118b57c.exe	28
PID 2580 wrote to memory of 1516	2580	da549186381eea1e383ccf1522e42bef4a2024092ba84ba1f8eb70ec1118b57c.exe	28

C:\Users\Admin\AppData\Local\Temp\da549186381eea1e383ccf1522e42bef4a2024092ba84ba1f8eb70ec1118b57c.exe
"C:\Users\Admin\AppData\Local\Temp\da549186381eea1e383ccf1522e42bef4a2024092ba84ba1f8eb70ec1118b57c.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2580
- C:\Users\Admin\AppData\Local\Temp\upsec.exe
  "C:\Users\Admin\AppData\Local\Temp\upsec.exe"
  2⤵
  - Executes dropped EXE
  PID:1516

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\upsec.exe

Filesize
89KB

MD5
fefcaae71a7e48c8bd7cee219f49221e

SHA1
3db0de97c2a42cfea903bcc0c53bf7885867b3a1

SHA256
5bce6e7a4e6c31ae60a05c0987cf72b0c66bbf53a270f11cdc6abf843a0abbde

SHA512
b2ee182cc4e417b413dcfee0b0c2764e2df2acb5983ee7f140b2acd0369f08e8b9094d98d3e871eb1c6ad63b2ecadeb32b01a9360fff15c42ea88dec21f29a9c

Download Submit
memory/1516-11-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1516-15-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2580-0-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2580-2-0x0000000004000000-0x0000000004005000-memory.dmp

Filesize
20KB

Download
memory/2580-1-0x0000000004000000-0x0000000004005000-memory.dmp

Filesize
20KB

Download
memory/2580-7-0x00000000005B0000-0x00000000005C3000-memory.dmp

Filesize
76KB

Download
memory/2580-10-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download