71ab610a67826e6ff4999e1e03bb7d9f87d79d668ca60b831febcfa0f76fa2dc

General

Target
jaffacakes118_71ab610a67826e6ff4999e1e03bb7d9f87d79d668ca60b831febcfa0f76fa2dc.exe
Size 14KB
Sample260924-ka77eshf37
SHA256 71ab610a67826e6ff4999e1e03bb7d9f87d79d668ca60b831febcfa0f76fa2dc
MD5 7fb4da9a5c4ab9bdf5a50098098fbfb4
SHA1 6680cb1819267ea36069e16c312feed9baefc55e
SHA512 f5cde23253e54747bdfe4a5aa6f2dd9b0e9b91c0d114102e4a6b37e21da4e33efc008e344085f40227122b2be977b2e41fbc1499361091d88d7e6f9d8a91017e
SSDEEP 192:tFaR5Fhp8cdwpHR3AkPLiM79mLU2PcUOhcum:DU5FZdgAkTiM79mgLUccum
TLSH
T139624F0FFD42D998D2C156B0D969453AD6498B89032F138FBB88BC163FBD279C578A0C
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery execution

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 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-1-5-21-2091445952-3649787497-104050984-1000\Control Panel\International\Geo\Nation	jaffacakes118_71ab610a67826e6ff4999e1e03bb7d9f87d79d668ca60b831febcfa0f76fa2dc.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2091445952-3649787497-104050984-1000\Control Panel\International\Geo\Nation	b2e.exe

Executes dropped EXE 1 IoCs

pid	Process
5992	b2e.exe

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

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 2 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
5508	cmd.exe
1532	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	jaffacakes118_71ab610a67826e6ff4999e1e03bb7d9f87d79d668ca60b831febcfa0f76fa2dc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b2e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4376 wrote to memory of 5992	4376	jaffacakes118_71ab610a67826e6ff4999e1e03bb7d9f87d79d668ca60b831febcfa0f76fa2dc.exe	85
PID 5992 wrote to memory of 5508	5992	b2e.exe	86
PID 5992 wrote to memory of 1532	5992	b2e.exe	97

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_71ab610a67826e6ff4999e1e03bb7d9f87d79d668ca60b831febcfa0f76fa2dc.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_71ab610a67826e6ff4999e1e03bb7d9f87d79d668ca60b831febcfa0f76fa2dc.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4376
- C:\Users\Admin\AppData\Local\Temp\FA68.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\FA68.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\FA68.tmp\b2e.exe C:\Users\Admin\AppData\Local\Temp "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_71ab610a67826e6ff4999e1e03bb7d9f87d79d668ca60b831febcfa0f76fa2dc.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5992
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\FC6C.tmp\batchfile.bat" "
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    PID:5508
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\selfdel0.bat" "
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    PID:1532

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Windows Command Shell

1

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

b2e.exe

Path C:\Users\Admin\AppData\Local\Temp\FA68.tmp\b2e.exe
Size 8KB
SHA256 00a7e04ce278f00b371746b4e73ac78fa8301dffe0e149e6629f1d82170e4643
MD5 5f20224954b5e2aec379030f26462b0d
SHA1 a9840da77a1a86bf481e0be267e594938ffe8def
SHA512 878029e660b7e817dbf55104bb2c6a0418a59e928405d9621fb32e59f041dba7469bd685128d1f3f377515d6e5ee9bdfeea6d0b722825a311e5818123b8a8927
SSDEEP 96:3jrxEyFlnpkGd3aabLXKWxM/paKEiYzusDuAkPLiUmeFKOeO9XWLOb2D0gcUK:3R5Fhp8cdwpHR3AkPLiM79mLU2PcUK
TLSH
T12102410FF9904AA5C3C0C5F41AAD42B9DA5143CE837D518BFBDC8C262BB96B1E47961C
MD5 SHA1 SHA512 SSDEEP TLSH

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batchfile.bat

Path C:\Users\Admin\AppData\Local\Temp\FC6C.tmp\batchfile.bat
Size 150B
SHA256 a623bc5ce4fd2c139c374ad5a311b4833b7fa22ae49ee266d81404f65488fbe3
MD5 4c04845de03bc8d9fb6215e477ee3de4
SHA1 2c1c85b6848340cad75ca80f5f1c3c88d2d626d1
SHA512 c11e1c70b1e166eec881a5cc4917a92d6e300dc7eaccaafea08895ab6c989ddbfb2ce8b35a6f0b27463f2371410fe6fd5eb6068ea90fab18ecf6f4a621362502
TLSH
T16BC08C49F6860222F0E84B30E800C580B1EA60108E93B5B703AC002C8D0BD888F16218
MD5 SHA1 SHA512 TLSH

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selfdel0.bat

Path C:\Users\Admin\AppData\Local\Temp\selfdel0.bat
Size 158B
SHA256 1dfe58a54747ecc9f7933ff127977e0b3e100d562ef8db7a9d895d3cbdb45b1a
MD5 11e0af27f776b4a43e6eae863802562a
SHA1 903c069aca12446fc4be140386572a62dfc274d4
SHA512 11d74dff61780a97a0e8a13f8ae18ae7c94efec78f279e29e8a65689564f4f10a291a1f484767352b96df3757495baa4e23305b92c830d64f0d9fe47e34f61b3
TLSH
T10FC002008BDBDB6D2904946706B6E64CE0B64D083E8A7B20A725980C164280EFA83202
MD5 SHA1 SHA512 TLSH

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memory/4376-0-0x0000000000400000-0x0000000000407000-memory.dmp

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memory/4376-11-0x0000000000400000-0x0000000000407000-memory.dmp

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memory/5992-9-0x0000000000400000-0x0000000000405000-memory.dmp

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memory/5992-18-0x0000000000400000-0x0000000000405000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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