caf4b4a2912e1435bd005d336a8a75a73a0f1799a9de541e16d784ee66035cf8

Analysis

max time kernel
149s
max time network
156s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
27/04/2026, 15:33

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General

Target
caf4b4a2912e1435bd005d336a8a75a73a0f1799a9de541e16d784ee66035cf8.exe
Size 8.4MB
Sample260427-szhbasev61
SHA256 caf4b4a2912e1435bd005d336a8a75a73a0f1799a9de541e16d784ee66035cf8
MD5 9a6a4705d0402973c26e95a6547460fb
SHA1 889d5f97fa4644ff8150f65eb058fac68abc9962
SHA512 56f9dc770588649ac2dde3046cc961947d159e36b7d8a067490f825c7df45410d75bb2d9405f847cf5452cbf584af69aef8a04e0e88bf038b7887c81858f8808
SSDEEP 196608:/9hd6UV7DLJypZud91fBCDdO1AFvjMaojGGYUDpM1TFRPYP:R6UVxMdGejKjZqT/AP
TLSH
T1A296235259DD3DE2C13242B83B7B9BE4CB0DDD5027A6C49F52D40A6AAA3C4E335367C8
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2172	DFC.exe
3056	DFC.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x001900000002b3c9-50.dat	upx
behavioral2/memory/2172-51-0x0000000000400000-0x0000000000718000-memory.dmp	upx
behavioral2/memory/2172-54-0x0000000000400000-0x0000000000718000-memory.dmp	upx
behavioral2/memory/3056-57-0x0000000000400000-0x0000000000718000-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 3 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	DFC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DFC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	caf4b4a2912e1435bd005d336a8a75a73a0f1799a9de541e16d784ee66035cf8.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 2172	2520	caf4b4a2912e1435bd005d336a8a75a73a0f1799a9de541e16d784ee66035cf8.exe	80
PID 2520 wrote to memory of 3056	2520	caf4b4a2912e1435bd005d336a8a75a73a0f1799a9de541e16d784ee66035cf8.exe	82

C:\Users\Admin\AppData\Local\Temp\caf4b4a2912e1435bd005d336a8a75a73a0f1799a9de541e16d784ee66035cf8.exe
"C:\Users\Admin\AppData\Local\Temp\caf4b4a2912e1435bd005d336a8a75a73a0f1799a9de541e16d784ee66035cf8.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2520
- C:\Users\Admin\AppData\Local\Temp\bd8\bd8zip\DFC.exe
  "C:\Users\Admin\AppData\Local\Temp\bd8\bd8zip\DFC.exe" get /VERSION
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2172
- C:\Users\Admin\AppData\Local\Temp\bd8\bd8zip\DFC.exe
  "C:\Users\Admin\AppData\Local\Temp\bd8\bd8zip\DFC.exe" get /ISFROZEN
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3056

Network

MITRE ATT&CK Enterprise v16

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

bd8zip.zip

Path C:\Users\Admin\AppData\Local\Temp\bd8\bd8zip.zip
Size 8.1MB
SHA256 8cac50f8e316381ca6532179fe0e085254ec15af241bfae1ed65b895bb490ac8
MD5 a7cc9f0ddbd4e2fc1a90df81ebd7affc
SHA1 da5e86ed5ae632312843fe65045ab8005c400e88
SHA512 38db40649c22b485416298b8a858c3739662efefc3cb92c43a471f4c7c645a3f407ca084af072dcb75a8b53b4d951361ce8cf0dffaafb66572cd165bd251cea7
SSDEEP 196608:A9hd6UV7DLJypZud91fBCDdO1AFvjMaojGGYUDpM1TFRPYPC:g6UVxMdGejKjZqT/APC
TLSH
T1FB8633984DF307A1921392EC2C27AC549F094EC935F94827A7965FA7BB71879203F78C
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

DFC.exe

Path C:\Users\Admin\AppData\Local\Temp\bd8\bd8zip\DFC.exe
Size 998KB
SHA256 60bd5fecfea276aaa821e8f9b5ce2e5fbdda9af676c9a3ab63d7846331b11175
MD5 8e6a275853e9577fd9a88dd5d58b5fd9
SHA1 b2e9bc8d5c2cbc8382b1338120ec4b7aeb9a674e
SHA512 2c40ea18898349c4b74ee791f9bc3c0f837b840efacddfe2d7a9e4ae43bf804fd2971823c57147c86568e4df324dd1ec8e7228404b027bd640a9b4fcdc9ef7c9
SSDEEP 12288:oa1SZctA1qZwRRptzgI+i+xuO8DNjSFVd7lzsEuUN+rXkAXzYFhO:m2A1qZwLwiwQDQzhYr0AXzYFhO
TLSH
T16A251793F5675D94C08E57706923DA7C0627EEA1A4B4D62A33ECFE3BB671F523842009
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2172-51-0x0000000000400000-0x0000000000718000-memory.dmp

Download

memory/2172-54-0x0000000000400000-0x0000000000718000-memory.dmp

Download

memory/3056-57-0x0000000000400000-0x0000000000718000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads