ssload | ca066896a28840f4eccb9150adf86170d83337650d28b128cb584e7d8b178695

Analysis

max time kernel
1194s
max time network
1214s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
08/05/2024, 17:46

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General

Target
app.exe
Size 1.5MB
Sample240508-wcl8hsfg21
SHA256 ca066896a28840f4eccb9150adf86170d83337650d28b128cb584e7d8b178695
MD5 bd3231011448b2d6a335032d11c12cad
SHA1 b14bdeccca499668fac5049890bb7f3e5bef9537
SHA512 4fdf90883f5fde3aeb02b2ddc46c5e3cd421fe98697aca0d31b1aaea39598d2624c3339ab75a96997287c611a7d4dd8459b1c3341fe972cf049885d22c31f3de
SSDEEP 24576:U7fGyyeUW7jK9ijzqPoKQ+2L7uUgtAsjxy5U2dTfUpHkKBdsQM+WAM7W:OfFU2m9ijzWoK0zgtAsI5U2dTfAHowQW
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

ssload loader

Malware Config

Signatures

SSLoad
SSLoad Unpacked DLL payload.
loader ssload

Detects SSLoad Unpacked payload 4 IoCs

loader

resource	yara_rule
behavioral2/memory/5072-1-0x00000000023E0000-0x0000000002449000-memory.dmp	family_ssload
behavioral2/memory/5072-14-0x00000000023E0000-0x0000000002449000-memory.dmp	family_ssload
behavioral2/memory/1760-15-0x0000000002270000-0x00000000022D9000-memory.dmp	family_ssload
behavioral2/memory/1760-16-0x0000000002270000-0x00000000022D9000-memory.dmp	family_ssload

Blocklisted process makes network request 1 IoCs

flow	pid	Process
87	1456	rundll32.exe

Downloads MZ/PE file

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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	app.exe

Executes dropped EXE 1 IoCs

pid	Process
1760	app.exe

Loads dropped DLL 2 IoCs

pid	Process
3152	rundll32.exe
1456	rundll32.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
29	api.ipify.org
30	api.ipify.org

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 5072 wrote to memory of 1760	5072	app.exe	93
PID 5072 wrote to memory of 1760	5072	app.exe	93
PID 5072 wrote to memory of 1760	5072	app.exe	93
PID 1760 wrote to memory of 3152	1760	app.exe	104
PID 1760 wrote to memory of 3152	1760	app.exe	104
PID 1760 wrote to memory of 3152	1760	app.exe	104
PID 3152 wrote to memory of 1456	3152	rundll32.exe	105
PID 3152 wrote to memory of 1456	3152	rundll32.exe	105
PID 1760 wrote to memory of 4084	1760	app.exe	106
PID 1760 wrote to memory of 4084	1760	app.exe	106
PID 1760 wrote to memory of 4084	1760	app.exe	106

C:\Users\Admin\AppData\Local\Temp\app.exe
"C:\Users\Admin\AppData\Local\Temp\app.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5072
- C:\Users\Admin\AppData\Local\Temp\7041956494665639546\app.exe
  "C:\Users\Admin\AppData\Local\Temp\7041956494665639546\app.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1760
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Roaming\Microsoft\vtTbIPG\zVizMZWCQhr.dll,LTSoLUI
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:3152
  - - C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Roaming\Microsoft\vtTbIPG\zVizMZWCQhr.dll,LTSoLUI
      4⤵
      Blocklisted process makes network request
      Loads dropped DLL
      PID:1456
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Roaming\Microsoft\vtTbIPG\Siq9y0yIISK.exe
    3⤵
    PID:4084

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=4088 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:8
1⤵
PID:2956

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=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:8
1⤵
PID:1228

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

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Downloads

app.exe

Path C:\Users\Admin\AppData\Local\Temp\7041956494665639546\app.exe
Size 1.5MB
SHA256 ca066896a28840f4eccb9150adf86170d83337650d28b128cb584e7d8b178695
MD5 bd3231011448b2d6a335032d11c12cad
SHA1 b14bdeccca499668fac5049890bb7f3e5bef9537
SHA512 4fdf90883f5fde3aeb02b2ddc46c5e3cd421fe98697aca0d31b1aaea39598d2624c3339ab75a96997287c611a7d4dd8459b1c3341fe972cf049885d22c31f3de
SSDEEP 24576:U7fGyyeUW7jK9ijzqPoKQ+2L7uUgtAsjxy5U2dTfUpHkKBdsQM+WAM7W:OfFU2m9ijzWoK0zgtAsI5U2dTfAHowQW
MD5 SHA1 SHA512 SSDEEP

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zVizMZWCQhr.dll

Path C:\Users\Admin\AppData\Roaming\Microsoft\vtTbIPG\zVizMZWCQhr.dll
Size 615KB
SHA256 b0c7181195e3739c5408f7db26660576d0656bf22dce4f2ab4d76925935f67e4
MD5 3ef28aaf4994359294424230e93350de
SHA1 0428c582d8a00fe6c61860332e1aca74826f0de9
SHA512 13fe0237b346ea75edb1f8cda92ff4a859ef039414b172d9042be1b06bdcbcccca0c9e965eebb4acefe79db892df23f0a23f752e520947f10b4188a6209d5106
SSDEEP 12288:dzG3MpLOcVgPRgb7pQPsLr8Mi078Sl7MLl:TpLOcKRgZjW+DMLl
MD5 SHA1 SHA512 SSDEEP

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memory/1456-22-0x000002830A070000-0x000002830A0D0000-memory.dmp

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memory/1760-12-0x0000000000400000-0x0000000000584000-memory.dmp

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memory/1760-15-0x0000000002270000-0x00000000022D9000-memory.dmp

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memory/1760-16-0x0000000002270000-0x00000000022D9000-memory.dmp

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memory/1760-17-0x0000000000400000-0x0000000000584000-memory.dmp

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memory/5072-0-0x0000000000400000-0x0000000000584000-memory.dmp

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memory/5072-1-0x00000000023E0000-0x0000000002449000-memory.dmp

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memory/5072-13-0x0000000000400000-0x0000000000584000-memory.dmp

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memory/5072-14-0x00000000023E0000-0x0000000002449000-memory.dmp

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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