9f141c45e4653cb0b0d7f16b48736373914386a82e0f1b67025e2cd3b219a403

Analysis

max time kernel
142s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
12/03/2024, 23:21

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General

Target

9f141c45e4653cb0b0d7f16b48736373914386a82e0f1b67025e2cd3b219a403.exe
Size

139KB
MD5

1a354b6e5dcf6e5814c17088eede28ff
SHA1

83ff70c56f2e6cdfd73e537e5bf8be749ba74c7b
SHA256

9f141c45e4653cb0b0d7f16b48736373914386a82e0f1b67025e2cd3b219a403
SHA512

287fc4a9ac30450d324349cde4ffd4668041aee4be3c1942e468a827be4b5f1ac5219ac04adc7070fc0cd6ed542035cca769072f8041f640e36ef3beb6ac8c52
SSDEEP

768:0Z2iWT8yyWJNiX/LGGE+sSTrwpXbuLRCShk7uvVcFZu7vDdbAlPJsAy:0Z2iW/NJNETGGvsSQVbV7ycFZcDdsAz

Score

9^/10

upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 4 IoCs

resource	yara_rule
behavioral2/memory/3456-0-0x0000000000400000-0x0000000000423000-memory.dmp	UPX
behavioral2/memory/3456-1-0x0000000000400000-0x0000000000423000-memory.dmp	UPX
behavioral2/files/0x000a00000002310e-6.dat	UPX
behavioral2/memory/4908-14-0x0000000000400000-0x0000000000423000-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-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation	9f141c45e4653cb0b0d7f16b48736373914386a82e0f1b67025e2cd3b219a403.exe

Executes dropped EXE 1 IoCs

pid	Process
4908	ukyfact.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3456-0-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral2/files/0x000a00000002310e-6.dat	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 3456 wrote to memory of 4908	3456	9f141c45e4653cb0b0d7f16b48736373914386a82e0f1b67025e2cd3b219a403.exe	95
PID 3456 wrote to memory of 4908	3456	9f141c45e4653cb0b0d7f16b48736373914386a82e0f1b67025e2cd3b219a403.exe	95
PID 3456 wrote to memory of 4908	3456	9f141c45e4653cb0b0d7f16b48736373914386a82e0f1b67025e2cd3b219a403.exe	95

C:\Users\Admin\AppData\Local\Temp\9f141c45e4653cb0b0d7f16b48736373914386a82e0f1b67025e2cd3b219a403.exe
"C:\Users\Admin\AppData\Local\Temp\9f141c45e4653cb0b0d7f16b48736373914386a82e0f1b67025e2cd3b219a403.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3456
- C:\Users\Admin\AppData\Local\Temp\ukyfact.exe
  "C:\Users\Admin\AppData\Local\Temp\ukyfact.exe"
  2⤵
  - Executes dropped EXE
  PID:4908

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\ukyfact.exe

Filesize
140KB

MD5
2d269233cf1e75a7a4237942c3fd48cb

SHA1
58cc40a8b14b18ee71cd20041a9e7823243e309a

SHA256
0d0ffa499738f5082e1f724f9176435d435e7dcef6d54af1cf2d1ae7fa57470d

SHA512
ed34930fabd1656f3d170fc37758425af2709727c66cae793bf9e1b9a1907b5dfa7f62928e7435332cb63a4419fe267955f17e6d98de351507c00dcd18be5458

Download Submit
memory/3456-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3456-1-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4908-14-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download