b46066eaf30f2a9c013efde40db76fd1966d113e4d533758e516be44a2faa305

Analysis

max time kernel
149s
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
06-07-2023 12:36

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General

Target

29436bd7b8ddc5exeexeexeex.exe
Size

80KB
MD5

29436bd7b8ddc5bffe19dae2fc044ddf
SHA1

340e466b3b6691ba34471fa2949e27c33aa72e08
SHA256

b46066eaf30f2a9c013efde40db76fd1966d113e4d533758e516be44a2faa305
SHA512

d4003fcbe9db22cd4e2aae42a7637e25a59035fa67071f23941c2199397141bd01ea8b595d92ef72a9f40c0eccbfeba7c102124feee8bad2c6ba0d32682006bb
SSDEEP

1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalDSnUCo:1nK6a+qdOOtEvwDpjm

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-1-5-21-618519468-4027732583-1827558364-1000\Control Panel\International\Geo\Nation	29436bd7b8ddc5exeexeexeex.exe

Executes dropped EXE 1 IoCs

pid	Process
4380	asih.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3228-141-0x0000000000500000-0x000000000050F311-memory.dmp	upx
behavioral2/files/0x000800000002320a-145.dat	upx
behavioral2/files/0x000800000002320a-147.dat	upx
behavioral2/files/0x000800000002320a-148.dat	upx
behavioral2/memory/4380-156-0x0000000000500000-0x000000000050F311-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 3228 wrote to memory of 4380	3228	29436bd7b8ddc5exeexeexeex.exe	83
PID 3228 wrote to memory of 4380	3228	29436bd7b8ddc5exeexeexeex.exe	83
PID 3228 wrote to memory of 4380	3228	29436bd7b8ddc5exeexeexeex.exe	83

C:\Users\Admin\AppData\Local\Temp\29436bd7b8ddc5exeexeexeex.exe
"C:\Users\Admin\AppData\Local\Temp\29436bd7b8ddc5exeexeexeex.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3228
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:4380

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
81KB

MD5
a5f827708dfea650a32814d920f543ae

SHA1
c72608bd8eebeaf169c8c83efd2149b6d350baab

SHA256
72cc664f5159af14a1bbaf95dfd2ff05e2c308e6940dd49d74e813913eb37bc7

SHA512
84984f3a84630138ffc81b2c785182ab9837606209b9e54dc68cf75b42884c94a2faff76aee4f892ac3cc01b9192aef0baf71f8a0379e668ad51b13b06c29757

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

Filesize
81KB

MD5
a5f827708dfea650a32814d920f543ae

SHA1
c72608bd8eebeaf169c8c83efd2149b6d350baab

SHA256
72cc664f5159af14a1bbaf95dfd2ff05e2c308e6940dd49d74e813913eb37bc7

SHA512
84984f3a84630138ffc81b2c785182ab9837606209b9e54dc68cf75b42884c94a2faff76aee4f892ac3cc01b9192aef0baf71f8a0379e668ad51b13b06c29757

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

Filesize
81KB

MD5
a5f827708dfea650a32814d920f543ae

SHA1
c72608bd8eebeaf169c8c83efd2149b6d350baab

SHA256
72cc664f5159af14a1bbaf95dfd2ff05e2c308e6940dd49d74e813913eb37bc7

SHA512
84984f3a84630138ffc81b2c785182ab9837606209b9e54dc68cf75b42884c94a2faff76aee4f892ac3cc01b9192aef0baf71f8a0379e668ad51b13b06c29757

Download Submit
memory/3228-133-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/3228-134-0x0000000002230000-0x0000000002236000-memory.dmp

Filesize
24KB

Download
memory/3228-141-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download
memory/4380-150-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/4380-156-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download