0e15f56eacc76d8f99eaaf952a7b1c990098995c7d2022d46c501d79bbd2594f

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
11/05/2024, 18:39

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General

Target

0e15f56eacc76d8f99eaaf952a7b1c990098995c7d2022d46c501d79bbd2594f.exe
Size

39KB
MD5

94f00e007e323f45f45e2efefc6ae750
SHA1

349a5f6ac180caac2b17c68141f996ffb152fb28
SHA256

0e15f56eacc76d8f99eaaf952a7b1c990098995c7d2022d46c501d79bbd2594f
SHA512

e14b916f9e00b4cbb87cbfc6af7a1e467c4f4b0376a60706f4bc476c2b0b447e9a34c3c55b2f02bbc42eb8d5202e396725244fe67e33e690ea16b4d0d18c24ad
SSDEEP

768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYe:qDdFJy3QMOtEvwDpjjWMl7Tn

Score

9^/10

upx

Malware Config

Signatures

Detection of CryptoLocker Variants 4 IoCs

resource	yara_rule
behavioral2/memory/1452-0-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2
behavioral2/files/0x0008000000022f51-13.dat	CryptoLocker_rule2
behavioral2/memory/1452-18-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2
behavioral2/memory/736-27-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 4 IoCs

resource	yara_rule
behavioral2/memory/1452-0-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1
behavioral2/files/0x0008000000022f51-13.dat	CryptoLocker_set1
behavioral2/memory/1452-18-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1
behavioral2/memory/736-27-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1

UPX dump on OEP (original entry point) 4 IoCs

resource	yara_rule
behavioral2/memory/1452-0-0x0000000000500000-0x0000000000510000-memory.dmp	UPX
behavioral2/files/0x0008000000022f51-13.dat	UPX
behavioral2/memory/1452-18-0x0000000000500000-0x0000000000510000-memory.dmp	UPX
behavioral2/memory/736-27-0x0000000000500000-0x0000000000510000-memory.dmp	UPX

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	0e15f56eacc76d8f99eaaf952a7b1c990098995c7d2022d46c501d79bbd2594f.exe

Executes dropped EXE 1 IoCs

pid	Process
736	asih.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1452-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/files/0x0008000000022f51-13.dat	upx
behavioral2/memory/1452-18-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/736-27-0x0000000000500000-0x0000000000510000-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 3 IoCs

description	pid	Process	procid_target
PID 1452 wrote to memory of 736	1452	0e15f56eacc76d8f99eaaf952a7b1c990098995c7d2022d46c501d79bbd2594f.exe	81
PID 1452 wrote to memory of 736	1452	0e15f56eacc76d8f99eaaf952a7b1c990098995c7d2022d46c501d79bbd2594f.exe	81
PID 1452 wrote to memory of 736	1452	0e15f56eacc76d8f99eaaf952a7b1c990098995c7d2022d46c501d79bbd2594f.exe	81

C:\Users\Admin\AppData\Local\Temp\0e15f56eacc76d8f99eaaf952a7b1c990098995c7d2022d46c501d79bbd2594f.exe
"C:\Users\Admin\AppData\Local\Temp\0e15f56eacc76d8f99eaaf952a7b1c990098995c7d2022d46c501d79bbd2594f.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1452
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:736

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
39KB

MD5
7c47b59e6a877c056bc24565ba1feb2a

SHA1
28732bbd3b5a0e4763d34bd5436c8831001d8240

SHA256
9255b15e1f50a657123b6930e5d26b1c0f75cd79b7e0a88781e7749ec8365d4b

SHA512
9e8a94c06faa1266f5d15865ee09f86a09648adc3e4963a69316bb35d13a086ed5f32afbb1f7f2b1452fba434a11641c2493be065e547950a1dcff6d122f118e

Download Submit
memory/736-20-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/736-26-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/736-27-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/1452-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/1452-2-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/1452-1-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/1452-9-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/1452-18-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download