162aa52bc31fecaec3645da8d79ffa39b9a1d746438580e76184f21ffd6f0a97

General

Target

bb43832924d7da8bdb05cd8b485ffd9e.exe
Size

935KB
MD5

bb43832924d7da8bdb05cd8b485ffd9e
SHA1

1da8e92c192ebf657472d4963ebdd170c4f79aab
SHA256

162aa52bc31fecaec3645da8d79ffa39b9a1d746438580e76184f21ffd6f0a97
SHA512

7e5e360de1d4f5bd18cebf63fbe41778246c43040da3f2fb96d4ef0f33542092e4feb38bb03d31bcdc4603cba1179f406199f746d66287772e635ae65cafd8a4
SSDEEP

12288:F5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x4p:FyHv5Z+Wzv7AiBll0OBWi6si9GI

Score

7^/10

upx

Malware Config

Signatures

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	bb43832924d7da8bdb05cd8b485ffd9e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	bb43832924d7da8bdb05cd8b485ffd9e.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2688-1-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/2688-3-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/2688-4-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/2688-5-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/2688-6-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/2688-7-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/2688-8-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/2688-9-0x0000000000400000-0x00000000004F2000-memory.dmp	upx

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	bb43832924d7da8bdb05cd8b485ffd9e.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	bb43832924d7da8bdb05cd8b485ffd9e.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3892 set thread context of 2688	3892	bb43832924d7da8bdb05cd8b485ffd9e.exe	99

Program crash 2 IoCs

pid	pid_target	Process	procid_target
208	2688	WerFault.exe	99
1372	2688	WerFault.exe	99

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2688	bb43832924d7da8bdb05cd8b485ffd9e.exe
2688	bb43832924d7da8bdb05cd8b485ffd9e.exe
2688	bb43832924d7da8bdb05cd8b485ffd9e.exe
2688	bb43832924d7da8bdb05cd8b485ffd9e.exe
2688	bb43832924d7da8bdb05cd8b485ffd9e.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3892 wrote to memory of 2688	3892	bb43832924d7da8bdb05cd8b485ffd9e.exe	99
PID 3892 wrote to memory of 2688	3892	bb43832924d7da8bdb05cd8b485ffd9e.exe	99
PID 3892 wrote to memory of 2688	3892	bb43832924d7da8bdb05cd8b485ffd9e.exe	99
PID 3892 wrote to memory of 2688	3892	bb43832924d7da8bdb05cd8b485ffd9e.exe	99
PID 3892 wrote to memory of 2688	3892	bb43832924d7da8bdb05cd8b485ffd9e.exe	99
PID 3892 wrote to memory of 2688	3892	bb43832924d7da8bdb05cd8b485ffd9e.exe	99
PID 3892 wrote to memory of 2688	3892	bb43832924d7da8bdb05cd8b485ffd9e.exe	99
PID 3892 wrote to memory of 2688	3892	bb43832924d7da8bdb05cd8b485ffd9e.exe	99

C:\Users\Admin\AppData\Local\Temp\bb43832924d7da8bdb05cd8b485ffd9e.exe
"C:\Users\Admin\AppData\Local\Temp\bb43832924d7da8bdb05cd8b485ffd9e.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3892
- C:\Users\Admin\AppData\Local\Temp\bb43832924d7da8bdb05cd8b485ffd9e.exe
  "C:\Users\Admin\AppData\Local\Temp\bb43832924d7da8bdb05cd8b485ffd9e.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:2688
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2688 -s 2084
    3⤵
    - Program crash
    PID:1372
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2688 -s 2040
    3⤵
    - Program crash
    PID:208

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 2688 -ip 2688
1⤵
PID:1972

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 2688 -ip 2688
1⤵
PID:1288

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1412 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:8
1⤵
PID:4560

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2688-1-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/2688-3-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/2688-4-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/2688-5-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/2688-6-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/2688-7-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/2688-8-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/2688-9-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads