3116b19eed5e48480fcf65604ac7df441e0a5970ca8ff3ae4c7d45efe785896e

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2024, 21:44

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General

Target

7876fb81144bffbb3402257df28a4802.exe
Size

114KB
MD5

7876fb81144bffbb3402257df28a4802
SHA1

d7004558c5386e8b3523f1ee764fe130b236bc2d
SHA256

3116b19eed5e48480fcf65604ac7df441e0a5970ca8ff3ae4c7d45efe785896e
SHA512

75818a91f9c9e65adfb08b64003435d924737115698ee40a87d6cc075feb582ed3490fa0aa9c97f003d266c7dd8a36c0a168727ecfc74bfc510b18fc7cfa27ed
SSDEEP

3072:NTQH0qtjoB1aPRdqT5m412kL80sNhexEMTK59HkU/:NTWjoBswTXkkL80sNheK59HV/

Score

7^/10

upx

Malware Config

Signatures

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-1-5-21-2398549320-3657759451-817663969-1000\Control Panel\International\Geo\Nation	7876fb81144bffbb3402257df28a4802.exe

Executes dropped EXE 1 IoCs

pid	Process
3572	2.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3572-10-0x0000000000590000-0x0000000000610000-memory.dmp	upx
behavioral2/memory/3572-12-0x0000000000590000-0x0000000000610000-memory.dmp	upx

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\2.exe	7876fb81144bffbb3402257df28a4802.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2684	3572	WerFault.exe	88

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3924	7876fb81144bffbb3402257df28a4802.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3924 wrote to memory of 3572	3924	7876fb81144bffbb3402257df28a4802.exe	88
PID 3924 wrote to memory of 3572	3924	7876fb81144bffbb3402257df28a4802.exe	88
PID 3924 wrote to memory of 3572	3924	7876fb81144bffbb3402257df28a4802.exe	88

C:\Users\Admin\AppData\Local\Temp\7876fb81144bffbb3402257df28a4802.exe
"C:\Users\Admin\AppData\Local\Temp\7876fb81144bffbb3402257df28a4802.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:3924
- C:\Windows\2.exe
  "C:\Windows\2.exe"
  2⤵
  - Executes dropped EXE
  PID:3572
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3572 -s 312
    3⤵
    - Program crash
    PID:2684

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3572 -ip 3572
1⤵
PID:4576

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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:\Windows\2.exe

Filesize
100KB

MD5
9deb597a80ab24e2d70346ac10a2f983

SHA1
5eaceb9038eb87114107e27a8faac08df0c9b721

SHA256
67d995eb9fb4841f35c65391e364b61e5b9054dec581b97247af384e0322d0c4

SHA512
649f6511a3cef5ba73cdf5a0f187caca18c23983c3ee4a9c9f4f049fadaf27002b95597a87d00c205a42f3cc91e3c1b87b3916e6887878aa7fbcca0502d5d01c

Download Submit
memory/3572-8-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/3572-10-0x0000000000590000-0x0000000000610000-memory.dmp

Filesize
512KB

Download
memory/3572-11-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/3572-12-0x0000000000590000-0x0000000000610000-memory.dmp

Filesize
512KB

Download
memory/3924-0-0x0000000000400000-0x000000000041E200-memory.dmp

Filesize
120KB

Download