fc132a4af19bc2ccbecde63f73a483aff96df428e7025b072cadbb30314a69fe

Analysis

max time kernel
92s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
29/01/2024, 12:41

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General

Target

7fdca228f530ae88c78f42fc11fc0ed6.exe
Size

78KB
MD5

7fdca228f530ae88c78f42fc11fc0ed6
SHA1

32306f4dae3192877bde527f0fd60ba53a8d13ff
SHA256

fc132a4af19bc2ccbecde63f73a483aff96df428e7025b072cadbb30314a69fe
SHA512

36031a90f9fcdfed567d2086d43835a835a5b734c875d28cf9973a9f220e0ebab5334be5e736ab1385a8c29c3790d6a2f61d6bf3e0d522470c51dfd67d083bec
SSDEEP

1536:kW346xnCfsj683DHISmEUC6LOrUl2FFtA92x0ZMC8yOKn2Bo6T7pEBS:kWI65v6ar0EUNOrUe2aiMC8En47pEE

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-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	7fdca228f530ae88c78f42fc11fc0ed6.exe

Executes dropped EXE 1 IoCs

pid	Process
2400	Y53yd1JH.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2204-0-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral2/memory/2204-2-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral2/files/0x00080000000231fe-7.dat	upx
behavioral2/memory/2400-12-0x0000000000400000-0x0000000000423000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Y53yd1JH.exe	7fdca228f530ae88c78f42fc11fc0ed6.exe
File opened for modification	C:\Windows\SysWOW64\Y53yd1JH.exe	7fdca228f530ae88c78f42fc11fc0ed6.exe
File created	C:\Windows\SysWOW64\Y53yd1JH.exe	Y53yd1JH.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2204	7fdca228f530ae88c78f42fc11fc0ed6.exe
Token: SeIncBasePriorityPrivilege	2400	Y53yd1JH.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 2400	2204	7fdca228f530ae88c78f42fc11fc0ed6.exe	96
PID 2204 wrote to memory of 2400	2204	7fdca228f530ae88c78f42fc11fc0ed6.exe	96
PID 2204 wrote to memory of 2400	2204	7fdca228f530ae88c78f42fc11fc0ed6.exe	96
PID 2204 wrote to memory of 3528	2204	7fdca228f530ae88c78f42fc11fc0ed6.exe	98
PID 2204 wrote to memory of 3528	2204	7fdca228f530ae88c78f42fc11fc0ed6.exe	98
PID 2204 wrote to memory of 3528	2204	7fdca228f530ae88c78f42fc11fc0ed6.exe	98
PID 2400 wrote to memory of 780	2400	Y53yd1JH.exe	97
PID 2400 wrote to memory of 780	2400	Y53yd1JH.exe	97
PID 2400 wrote to memory of 780	2400	Y53yd1JH.exe	97

C:\Users\Admin\AppData\Local\Temp\7fdca228f530ae88c78f42fc11fc0ed6.exe
"C:\Users\Admin\AppData\Local\Temp\7fdca228f530ae88c78f42fc11fc0ed6.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Windows\SysWOW64\Y53yd1JH.exe
  "C:\Windows\system32\Y53yd1JH.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2400
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c del C:\Windows\SysWOW64\Y53yd1JH.exe > nul
    3⤵
    PID:780
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\7FDCA2~1.EXE > nul
  2⤵
  PID:3528

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

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Downloads

C:\Windows\SysWOW64\Y53yd1JH.exe

Filesize
78KB

MD5
7fdca228f530ae88c78f42fc11fc0ed6

SHA1
32306f4dae3192877bde527f0fd60ba53a8d13ff

SHA256
fc132a4af19bc2ccbecde63f73a483aff96df428e7025b072cadbb30314a69fe

SHA512
36031a90f9fcdfed567d2086d43835a835a5b734c875d28cf9973a9f220e0ebab5334be5e736ab1385a8c29c3790d6a2f61d6bf3e0d522470c51dfd67d083bec

Download Submit
memory/2204-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2204-2-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2400-12-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download