de97a661c9f5f1adf8a5037413942891a03d3f1ab17f1061cd5f9c11cff6233a

General

Target

de97a661c9f5f1adf8a5037413942891a03d3f1ab17f1061cd5f9c11cff6233a.exe
Size

40KB
MD5

69b0e140655d4b7b9f1567076bc7f377
SHA1

a95b0245821e0631dd2e011a16ef82b79d219f2b
SHA256

de97a661c9f5f1adf8a5037413942891a03d3f1ab17f1061cd5f9c11cff6233a
SHA512

787c8f023578309a1f6d27bb7b0d4a646962f99c552e9998ddc19ec1d6cbb15c756b9b2abf932e21766f455db260debb3b16c853e25825f49acbe20066a0d33e
SSDEEP

768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYoX:qDdFJy3QMOtEvwDpjjWMl7TlX

Score

9^/10

upx

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1800-0-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2
\Users\Admin\AppData\Local\Temp\asih.exe	CryptoLocker_rule2
behavioral1/memory/1800-16-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/1804-18-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/1804-27-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1800-0-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1
\Users\Admin\AppData\Local\Temp\asih.exe	CryptoLocker_set1
behavioral1/memory/1800-16-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1
behavioral1/memory/1804-18-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1
behavioral1/memory/1804-27-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1

UPX dump on OEP (original entry point) 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1800-0-0x0000000000500000-0x0000000000510000-memory.dmp	UPX
\Users\Admin\AppData\Local\Temp\asih.exe	UPX
behavioral1/memory/1800-16-0x0000000000500000-0x0000000000510000-memory.dmp	UPX
behavioral1/memory/1804-18-0x0000000000500000-0x0000000000510000-memory.dmp	UPX
behavioral1/memory/1804-27-0x0000000000500000-0x0000000000510000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

Processes:

asih.exe

pid process

1804 asih.exe
Loads dropped DLL 1 IoCs

Processes:

de97a661c9f5f1adf8a5037413942891a03d3f1ab17f1061cd5f9c11cff6233a.exe

pid process

1800 de97a661c9f5f1adf8a5037413942891a03d3f1ab17f1061cd5f9c11cff6233a.exe

pid	process
1804	asih.exe

pid	process
1800	de97a661c9f5f1adf8a5037413942891a03d3f1ab17f1061cd5f9c11cff6233a.exe

UPX packed file 5 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1800-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
\Users\Admin\AppData\Local\Temp\asih.exe	upx
behavioral1/memory/1800-16-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/1804-18-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/1804-27-0x0000000000500000-0x0000000000510000-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 4 IoCs

Processes:

de97a661c9f5f1adf8a5037413942891a03d3f1ab17f1061cd5f9c11cff6233a.exe

description	pid	process	target process
PID 1800 wrote to memory of 1804	1800	de97a661c9f5f1adf8a5037413942891a03d3f1ab17f1061cd5f9c11cff6233a.exe	asih.exe
PID 1800 wrote to memory of 1804	1800	de97a661c9f5f1adf8a5037413942891a03d3f1ab17f1061cd5f9c11cff6233a.exe	asih.exe
PID 1800 wrote to memory of 1804	1800	de97a661c9f5f1adf8a5037413942891a03d3f1ab17f1061cd5f9c11cff6233a.exe	asih.exe
PID 1800 wrote to memory of 1804	1800	de97a661c9f5f1adf8a5037413942891a03d3f1ab17f1061cd5f9c11cff6233a.exe	asih.exe

C:\Users\Admin\AppData\Local\Temp\de97a661c9f5f1adf8a5037413942891a03d3f1ab17f1061cd5f9c11cff6233a.exe
"C:\Users\Admin\AppData\Local\Temp\de97a661c9f5f1adf8a5037413942891a03d3f1ab17f1061cd5f9c11cff6233a.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1800

C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.exe"
2⤵
- Executes dropped EXE
PID:1804

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

\Users\Admin\AppData\Local\Temp\asih.exe
Filesize
40KB

MD5
5c845383623d46e7b0ca323b9fbd945f

SHA1
69ee3ec29cfe6afd8d49c42c14060129e4042bb5

SHA256
4af586076c79c97a9650d9789cd5b4b1e06c43c070670d796e3b1f859d23cd93

SHA512
87288655892f09b9f99a3c88b7ad885ea000e2d88c8e27c52b806bfc6e9ec5f28e2a1b63c3c97fb36109958979f94564c364258c6efdbdd74b1ea652369a1e77

Download Submit
memory/1800-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/1800-2-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1800-9-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1800-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1800-16-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/1804-18-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/1804-19-0x0000000000890000-0x0000000000896000-memory.dmp

Filesize
24KB

Download
memory/1804-26-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1804-27-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads