21518e8d642fd5732081bc933b31b12548f4bbe2baa861dae74444a1941ad1e6

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
14/07/2023, 11:53

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General

Target

14631ba3c4754bexe_JC.exe
Size

64KB
MD5

14631ba3c4754b2d435a9687e5fd803b
SHA1

f661671737982ffdaba1c3a46f4f5af88ab1df43
SHA256

21518e8d642fd5732081bc933b31b12548f4bbe2baa861dae74444a1941ad1e6
SHA512

524046f33f393f68e5dcd67e8390f1537c17196e196c4d2e5b962c85e8abf3b4a08fc5407177253a53822fabd7799a2a3ded91d79366c95be9749f329d14b959
SSDEEP

1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAh5T:z6a+CdOOtEvwDpjQs

Score

7^/10

upx

Malware Config

Signatures

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-1-5-21-1498570331-2313266200-788959944-1000\Control Panel\International\Geo\Nation	14631ba3c4754bexe_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
1272	asih.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4460-136-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/files/0x0009000000022f92-149.dat	upx
behavioral2/files/0x0009000000022f92-151.dat	upx
behavioral2/files/0x0009000000022f92-152.dat	upx
behavioral2/memory/4460-156-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/1272-162-0x0000000000500000-0x0000000000510000-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 4460 wrote to memory of 1272	4460	14631ba3c4754bexe_JC.exe	86
PID 4460 wrote to memory of 1272	4460	14631ba3c4754bexe_JC.exe	86
PID 4460 wrote to memory of 1272	4460	14631ba3c4754bexe_JC.exe	86

C:\Users\Admin\AppData\Local\Temp\14631ba3c4754bexe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\14631ba3c4754bexe_JC.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4460
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:1272

Network

MITRE ATT&CK Enterprise v6

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
64KB

MD5
ac59fb4105cb8166b1b3fa15ca063d94

SHA1
8557bf2bdf33bf4a5e63d56050fe639598199241

SHA256
7b343509604b1aed5e401769763a51b0c6c8b9c42b6c60e54cb486c437d8ec4c

SHA512
e83e5aa74202c126749d2786efe65e81c726e16c32de11d53c7de085add394b4773cef308e99eb69e3cd2295a11afee34c1ee1c71ba3ceb2e6fc8c9869d20c9e

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

Filesize
64KB

MD5
ac59fb4105cb8166b1b3fa15ca063d94

SHA1
8557bf2bdf33bf4a5e63d56050fe639598199241

SHA256
7b343509604b1aed5e401769763a51b0c6c8b9c42b6c60e54cb486c437d8ec4c

SHA512
e83e5aa74202c126749d2786efe65e81c726e16c32de11d53c7de085add394b4773cef308e99eb69e3cd2295a11afee34c1ee1c71ba3ceb2e6fc8c9869d20c9e

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

Filesize
64KB

MD5
ac59fb4105cb8166b1b3fa15ca063d94

SHA1
8557bf2bdf33bf4a5e63d56050fe639598199241

SHA256
7b343509604b1aed5e401769763a51b0c6c8b9c42b6c60e54cb486c437d8ec4c

SHA512
e83e5aa74202c126749d2786efe65e81c726e16c32de11d53c7de085add394b4773cef308e99eb69e3cd2295a11afee34c1ee1c71ba3ceb2e6fc8c9869d20c9e

Download Submit
memory/1272-155-0x0000000000650000-0x0000000000656000-memory.dmp

Filesize
24KB

Download
memory/1272-154-0x0000000000630000-0x0000000000636000-memory.dmp

Filesize
24KB

Download
memory/1272-162-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4460-136-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4460-137-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/4460-138-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/4460-139-0x0000000000610000-0x0000000000616000-memory.dmp

Filesize
24KB

Download
memory/4460-156-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download