5f1992dd2b43541a02a77bccdb73ab2e47a17b9cd2a13e6a6cd40de2d12e7f20

Analysis

max time kernel
118s
max time network
129s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-12-2024 07:55

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General

Target

Mail Access Checker by xRisky v2 [Free version]/Mailaccess Checker by xRisky v2.exe
Size

582KB
MD5

82c493c58ad0ed2255d1500840d1d75c
SHA1

24b2997983add8d90e896af2dbdc32cf19895389
SHA256

325a912d9f9f4878cfc13a45a2da2494b4c4080c39d8a40166eb39c6ef3d24a0
SHA512

68f91fe3693dffdaadf28ad5dd3719cdfddff6e4729f48774ae336aef97908d8bc2c419aff65a7d4cbe24e2b85ea2f311dfec2de1136ed7fd7374d2d3ead8c88
SSDEEP

6144:oOaTmuaJ0GFRabVg8O1lFrRawLmKx85EJXlkc3rNPWyXJJy1LDR6qwYelXN1C4q1:oOSmvFobVgZtCKZX97NPWyXgteYILQ

Score

7^/10

discovery upx

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
2824	Checker.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral5/files/0x0005000000019389-24.dat	upx
behavioral5/memory/2824-26-0x000007FEF5860000-0x000007FEF5CC6000-memory.dmp	upx

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Mailaccess Checker by xRisky v2.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2312	Checker1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2312	Checker1.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2312	Checker1.exe
2312	Checker1.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2508 wrote to memory of 2556	2508	Mailaccess Checker by xRisky v2.exe	32
PID 2508 wrote to memory of 2556	2508	Mailaccess Checker by xRisky v2.exe	32
PID 2508 wrote to memory of 2556	2508	Mailaccess Checker by xRisky v2.exe	32
PID 2508 wrote to memory of 2556	2508	Mailaccess Checker by xRisky v2.exe	32
PID 2508 wrote to memory of 2312	2508	Mailaccess Checker by xRisky v2.exe	34
PID 2508 wrote to memory of 2312	2508	Mailaccess Checker by xRisky v2.exe	34
PID 2508 wrote to memory of 2312	2508	Mailaccess Checker by xRisky v2.exe	34
PID 2508 wrote to memory of 2312	2508	Mailaccess Checker by xRisky v2.exe	34
PID 2556 wrote to memory of 2824	2556	Checker.exe	35
PID 2556 wrote to memory of 2824	2556	Checker.exe	35
PID 2556 wrote to memory of 2824	2556	Checker.exe	35

C:\Users\Admin\AppData\Local\Temp\Mail Access Checker by xRisky v2 [Free version]\Mailaccess Checker by xRisky v2.exe
"C:\Users\Admin\AppData\Local\Temp\Mail Access Checker by xRisky v2 [Free version]\Mailaccess Checker by xRisky v2.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2508
- C:\Users\Admin\AppData\Local\Temp\Mail Access Checker by xRisky v2 [Free version]\Data\Modules\Checker.exe
  "C:\Users\Admin\AppData\Local\Temp\Mail Access Checker by xRisky v2 [Free version]\Data\Modules\Checker.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2556
- - C:\Users\Admin\AppData\Local\Temp\Mail Access Checker by xRisky v2 [Free version]\Data\Modules\Checker.exe
    "C:\Users\Admin\AppData\Local\Temp\Mail Access Checker by xRisky v2 [Free version]\Data\Modules\Checker.exe"
    3⤵
    - Loads dropped DLL
    PID:2824
- C:\Users\Admin\AppData\Local\Temp\Mail Access Checker by xRisky v2 [Free version]\Data\Modules\Checker1.exe
  "C:\Users\Admin\AppData\Local\Temp\Mail Access Checker by xRisky v2 [Free version]\Data\Modules\Checker1.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2312

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\_MEI25562\python310.dll

Filesize
1.4MB

MD5
4a6afa2200b1918c413d511c5a3c041c

SHA1
39ca3c2b669adac07d4a5eb1b3b79256cfe0c3b3

SHA256
bec187f608507b57cf0475971ba646b8ab42288af8fdcf78bce25f1d8c84b1da

SHA512
dbffb06ffff0542200344ea9863a44a6f1e1b783379e53df18580e697e8204d3911e091deb32a9c94b5599cdd54301b705b74e1f51104151cf13b89d57280a20

Download Submit
memory/2312-80-0x000000001AD70000-0x000000001AD7A000-memory.dmp

Filesize
40KB

Download
memory/2312-107-0x0000000021DB0000-0x000000002215C000-memory.dmp

Filesize
3.7MB

Download
memory/2312-132-0x00000000277E0000-0x000000002784A000-memory.dmp

Filesize
424KB

Download
memory/2312-5-0x000007FEF5CD0000-0x000007FEF66BC000-memory.dmp

Filesize
9.9MB

Download
memory/2312-27-0x000000001B160000-0x000000001B300000-memory.dmp

Filesize
1.6MB

Download
memory/2312-28-0x000000001B160000-0x000000001B300000-memory.dmp

Filesize
1.6MB

Download
memory/2312-29-0x000000001B160000-0x000000001B300000-memory.dmp

Filesize
1.6MB

Download
memory/2312-45-0x0000000180000000-0x0000000180005000-memory.dmp

Filesize
20KB

Download
memory/2312-43-0x0000000180000000-0x0000000180005000-memory.dmp

Filesize
20KB

Download
memory/2312-41-0x0000000180000000-0x0000000180005000-memory.dmp

Filesize
20KB

Download
memory/2312-39-0x0000000180000000-0x0000000180005000-memory.dmp

Filesize
20KB

Download
memory/2312-38-0x0000000180000000-0x0000000180005000-memory.dmp

Filesize
20KB

Download
memory/2312-54-0x000000001D5E0000-0x000000001D70A000-memory.dmp

Filesize
1.2MB

Download
memory/2312-62-0x000000001D870000-0x000000001D99A000-memory.dmp

Filesize
1.2MB

Download
memory/2312-50-0x000000001D5E0000-0x000000001D70A000-memory.dmp

Filesize
1.2MB

Download
memory/2312-49-0x000000001D5E0000-0x000000001D70A000-memory.dmp

Filesize
1.2MB

Download
memory/2312-76-0x000000001AD70000-0x000000001AD7A000-memory.dmp

Filesize
40KB

Download
memory/2312-68-0x0000000002600000-0x000000000260A000-memory.dmp

Filesize
40KB

Download
memory/2312-66-0x0000000002600000-0x000000000260A000-memory.dmp

Filesize
40KB

Download
memory/2312-64-0x0000000002600000-0x000000000260A000-memory.dmp

Filesize
40KB

Download
memory/2312-63-0x0000000002600000-0x000000000260A000-memory.dmp

Filesize
40KB

Download
memory/2312-77-0x000007FEF6930000-0x000007FEF6A5C000-memory.dmp

Filesize
1.2MB

Download
memory/2312-131-0x0000000025810000-0x0000000025878000-memory.dmp

Filesize
416KB

Download
memory/2312-81-0x000000001AD70000-0x000000001AD7A000-memory.dmp

Filesize
40KB

Download
memory/2312-83-0x000000001D870000-0x000000001D99A000-memory.dmp

Filesize
1.2MB

Download
memory/2312-85-0x000000001D870000-0x000000001D99A000-memory.dmp

Filesize
1.2MB

Download
memory/2312-84-0x000000001D870000-0x000000001D99A000-memory.dmp

Filesize
1.2MB

Download
memory/2312-79-0x000000001AD70000-0x000000001AD7A000-memory.dmp

Filesize
40KB

Download
memory/2312-88-0x000000001D870000-0x000000001D99A000-memory.dmp

Filesize
1.2MB

Download
memory/2312-87-0x000000001D870000-0x000000001D99A000-memory.dmp

Filesize
1.2MB

Download
memory/2312-86-0x000000001D870000-0x000000001D99A000-memory.dmp

Filesize
1.2MB

Download
memory/2312-89-0x000000001EBA0000-0x000000001EBC2000-memory.dmp

Filesize
136KB

Download
memory/2312-91-0x000000001EBA0000-0x000000001EBBC000-memory.dmp

Filesize
112KB

Download
memory/2312-90-0x000000001EBA0000-0x000000001EBBC000-memory.dmp

Filesize
112KB

Download
memory/2312-100-0x000000001F0A0000-0x000000002042C000-memory.dmp

Filesize
19.5MB

Download
memory/2312-101-0x0000000020530000-0x0000000020A7E000-memory.dmp

Filesize
5.3MB

Download
memory/2312-102-0x0000000020E80000-0x0000000020F78000-memory.dmp

Filesize
992KB

Download
memory/2312-103-0x0000000020F80000-0x0000000021078000-memory.dmp

Filesize
992KB

Download
memory/2312-104-0x0000000021540000-0x00000000216FE000-memory.dmp

Filesize
1.7MB

Download
memory/2312-105-0x0000000021700000-0x0000000021DAC000-memory.dmp

Filesize
6.7MB

Download
memory/2312-106-0x00000000240A0000-0x000000002487A000-memory.dmp

Filesize
7.9MB

Download
memory/2312-110-0x00000000255F0000-0x0000000025804000-memory.dmp

Filesize
2.1MB

Download
memory/2312-108-0x0000000025180000-0x00000000255E8000-memory.dmp

Filesize
4.4MB

Download
memory/2312-109-0x0000000022160000-0x00000000221D2000-memory.dmp

Filesize
456KB

Download
memory/2508-0-0x00000000748FE000-0x00000000748FF000-memory.dmp

Filesize
4KB

Download
memory/2508-1-0x0000000000860000-0x00000000008F8000-memory.dmp

Filesize
608KB

Download
memory/2824-26-0x000007FEF5860000-0x000007FEF5CC6000-memory.dmp

Filesize
4.4MB

Download