3407b4aa6c20452b7d1e004cd2de58777dc608119c379377987b108c9ee3d833

Analysis

max time kernel
142s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
03/12/2022, 07:54

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General

Target

3407b4aa6c20452b7d1e004cd2de58777dc608119c379377987b108c9ee3d833.exe
Size

39KB
MD5

d1a58099529b202ea486e50be0c46ac2
SHA1

bcc7a6ad7558b52b2bc7a91c72c5c3d0a5d0eb0b
SHA256

3407b4aa6c20452b7d1e004cd2de58777dc608119c379377987b108c9ee3d833
SHA512

ef464a4b26b66c4d66bfa798be2892c77965fbd201ffc9e9605c7c5ed209622df8350da6dcdd45aa03fbef83f0cf7c4b98be4cafb37299f6aeb834065eb23a12
SSDEEP

768:/wen+7pXpsSden0rAdTtPyfLqh8is1A9tZpZWXAE1zF7vXUHW3wiSS:/JIpXpsS40rAxt6zm8bA9bdAzF7fAir

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3068-132-0x0000000000400000-0x000000000041B000-memory.dmp	upx
behavioral2/memory/3068-134-0x0000000000400000-0x000000000041B000-memory.dmp	upx

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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	3407b4aa6c20452b7d1e004cd2de58777dc608119c379377987b108c9ee3d833.exe

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

System Information Discovery
T1082

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F7287C31-ED12-4fd7-98F2-6237A3091E1E}	3407b4aa6c20452b7d1e004cd2de58777dc608119c379377987b108c9ee3d833.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F7287C31-ED12-4fd7-98F2-6237A3091E1E}\ = "0"	3407b4aa6c20452b7d1e004cd2de58777dc608119c379377987b108c9ee3d833.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3068	3407b4aa6c20452b7d1e004cd2de58777dc608119c379377987b108c9ee3d833.exe
3068	3407b4aa6c20452b7d1e004cd2de58777dc608119c379377987b108c9ee3d833.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3068	3407b4aa6c20452b7d1e004cd2de58777dc608119c379377987b108c9ee3d833.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3068 wrote to memory of 2396	3068	3407b4aa6c20452b7d1e004cd2de58777dc608119c379377987b108c9ee3d833.exe	80
PID 3068 wrote to memory of 2396	3068	3407b4aa6c20452b7d1e004cd2de58777dc608119c379377987b108c9ee3d833.exe	80
PID 3068 wrote to memory of 2396	3068	3407b4aa6c20452b7d1e004cd2de58777dc608119c379377987b108c9ee3d833.exe	80

C:\Users\Admin\AppData\Local\Temp\3407b4aa6c20452b7d1e004cd2de58777dc608119c379377987b108c9ee3d833.exe
"C:\Users\Admin\AppData\Local\Temp\3407b4aa6c20452b7d1e004cd2de58777dc608119c379377987b108c9ee3d833.exe"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3068
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\CB53.bat" "
  2⤵
  PID:2396

Network

MITRE ATT&CK Enterprise v6

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\CB53.bat

Filesize
342B

MD5
ba0a4f299ae8c64dbcaa5cde43b8aaf6

SHA1
703b58d265e82da5c1f44db31f77fadabf0e21b3

SHA256
51d860095afe017bface7b6e01b4248367ca7f7c3dba7438cf6794847898e59f

SHA512
50a4dfff073f570f5a02a9b35adb12cd38c9c9981e3fb13883daf2452e08bfc8fb2c67ad961de40e1dbdfdef66f737749140f5d6a6bc0af5a287de7e9a71a680

Download Submit
memory/3068-132-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3068-134-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download