3fb5013aefefe1551d1a850f47a3b1270020b9d5e8a0c13a2f1d335ea1ab7e13

Analysis

max time kernel
149s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
23/07/2024, 20:49

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General

Target

3fb5013aefefe1551d1a850f47a3b1270020b9d5e8a0c13a2f1d335ea1ab7e13.exe
Size

26KB
MD5

62ca5bdc5b2dd8cbfac0d5c6bb875984
SHA1

84f32706fd969a4f10950e8489b92da03606419a
SHA256

3fb5013aefefe1551d1a850f47a3b1270020b9d5e8a0c13a2f1d335ea1ab7e13
SHA512

2aac5f6d4313ae3fc25a920ee25c6affeacd27026ef52c545a838614add39d8c89e0c171e37ade09433f3b3992488dea548a8fdcaf289ec4a308a350b999539f
SSDEEP

384:9+Aaw4UDLXxQ08jOW/QNij53BVk46vfiPe68tR6HjTiLxiZi/C5i:wAabUxy2Ni1BG46vfiPUt4nit3

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2652	zmvmo.exe

Loads dropped DLL 1 IoCs

pid	Process
1892	3fb5013aefefe1551d1a850f47a3b1270020b9d5e8a0c13a2f1d335ea1ab7e13.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1892-0-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/memory/2652-10-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/memory/1892-9-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/files/0x000a000000012255-7.dat	upx
behavioral1/memory/2652-12-0x0000000000400000-0x000000000040E000-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 2 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	3fb5013aefefe1551d1a850f47a3b1270020b9d5e8a0c13a2f1d335ea1ab7e13.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	zmvmo.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1892 wrote to memory of 2652	1892	3fb5013aefefe1551d1a850f47a3b1270020b9d5e8a0c13a2f1d335ea1ab7e13.exe	30
PID 1892 wrote to memory of 2652	1892	3fb5013aefefe1551d1a850f47a3b1270020b9d5e8a0c13a2f1d335ea1ab7e13.exe	30
PID 1892 wrote to memory of 2652	1892	3fb5013aefefe1551d1a850f47a3b1270020b9d5e8a0c13a2f1d335ea1ab7e13.exe	30
PID 1892 wrote to memory of 2652	1892	3fb5013aefefe1551d1a850f47a3b1270020b9d5e8a0c13a2f1d335ea1ab7e13.exe	30

C:\Users\Admin\AppData\Local\Temp\3fb5013aefefe1551d1a850f47a3b1270020b9d5e8a0c13a2f1d335ea1ab7e13.exe
"C:\Users\Admin\AppData\Local\Temp\3fb5013aefefe1551d1a850f47a3b1270020b9d5e8a0c13a2f1d335ea1ab7e13.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1892
- C:\Users\Admin\AppData\Local\Temp\zmvmo.exe
  "C:\Users\Admin\AppData\Local\Temp\zmvmo.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2652

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\zmvmo.exe

Filesize
26KB

MD5
99c52b731ed6d205b6b7f36b56fd6d44

SHA1
90216bbe0dc87a208dddeb0207b411eeb6ef7907

SHA256
c46f036a2a5a5d0229bf59890755c71deda2377e469dce628d1d1d6a021ca7bf

SHA512
ac55d5632f1efc3a3a944449a88488f330c8c43c2c1428bc02fd9f1f0f1f469b5c14af71857947630ace33a1e661a6f5b1dd201ade144c14337888a9c01092f7

Download Submit
memory/1892-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1892-2-0x0000000000402000-0x0000000000404000-memory.dmp

Filesize
8KB

Download
memory/1892-9-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2652-10-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2652-12-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download